Document:

LONG-TERM AGREEMENT

                    FOR THE PURCHASE AND SALE OF ELECTRICITY

                                     BETWEEN

                          SIERRA PACIFIC POWER COMPANY

                                       AND

                             FAR WEST CAPITAL, INC.

                                        1

                               LONG-TERM AGREEMENT
                    FOR THE PURCHASE AND SALE OF ELECTRICITY
                                     BETWEEN
                          SIERRA PACIFIC POWER COMPANY
                                       AND
                             FAR WEST CAPITAL, INC.

                                Table Of Contents

Section            Title                                      Page
-------            -----                                      ----
   1     RECITALS ..........................................     4
   2     DEFINITIONS .......................................     5
   3     EXHIBITS ..........................................     7
   4     TERM AND TERMINATION ..............................     8
   5     REMEDIES ..........................................     8
   6     SALE OF CAPACITY AND ENERGY .......................     8
   7     DETERMINATION OF COMMERCIAL OPERATION DATE
           AND CONTRACT RATING .............................     9
   8     RATE ..............................................    10
   9     PROJECT SCHEDULE ..................................    12
  10     METERING ..........................................    13
  11     SELLER'S PURCHASE OF CAPACITY AND ENERGY ..........    13
  12     PAYMENT ...........................................    14
  13     MAINTENANCE .......................................    14
  14     CONTINUITY OF DELIVERIES ..........................    15
  15     PROJECT DESIGN, CONSTRUCTION, AND
           OPERATION .......................................    16
  16     INTERCONNECTION ...................................    17
  17     CONDITIONS ........................................    19
  18     LIABILITY AND INDEMNIFICATION .....................    19
  19     INSURANCE .........................................    20
  20     PERMITS, LICENSES, AND AUTHORIZATIONS .............    21
  21     NOTICES ...........................................    22

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                            Table Of Contents (cont.)

Section            Title                                      Page
-------            -----                                      ----
  22     FORCE MAJEURE .....................................    22
  23     SUCCESSORS IN INTEREST ............................    24
  24     ASSIGNMENT ........................................    24
  25     COLLATERAL ASSIGNMENTS ............................    24
  26     ENTIRE AGREEMENT ..................................    24
  27     GOVERNING LAW .....................................    25
  28     PSCN APPROVAL .....................................    25
  29     NOTICE OF SALE OF PROJECT .........................    26
  30     DISPUTE RESOLUTION ................................    26
  31     MULTIPLE ORIGINALS ................................    27

                                        3

                               LONG-TERM AGREEMENT
                           FOR THE PURCHASE AND SALE
                                 OF ELECTRICITY

      THIS AGREEMENT for the purchase and sale of electricity is entered into as
of the date of its execution by and between SIERRA PACIFIC POWER COMPANY, a
Nevada corporation ("Sierra"), and FAR WEST CAPITAL, INC. a Utah Corporation
("Seller"). Seller and Sierra are sometimes referred to individually as "Party"
and collectively as "Parties."

1.    RECITALS. This Agreement is based upon the following facts:

      a.    Sierra is a public utility engaged in the purchase, production,
            transmission, distribution, and sale of electric capacity and
            energy; and

      b.    Seller proposes to construct and own a 2,000 KW geothermal
            generating facility located at Steamboat Springs near Sierra's
            Steamboat Substation in Washoe County in Sierra's Nevada service
            territory, which facility is expected to be certified as a
            Qualifying Facility ("QF") as that term is defined below; and

      c.    Seller desires to sell the electric capacity and energy produced at
            Seller's generating facility to Sierra pursuant to the provisions of
            a long-term contract; and

      d.    Sierra purchases the capacity and energy produced by Qualifying
            Facilities pursuant to provisions of the Public Utility Regulatory
            Policies Act of 1978 ("PURPA") and the rules and regulations
            promulgated

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            thereunder by the Federal Energy Regulatory Commission ("FERC"),
            the California Public Utility Commission ("CPUC"), and the Public
            Service Commission of Nevada ("PSCN").

            In consideration of the premises, and the mutual covenants
            contained herein, the Parties agree as follows:

2.    DEFINITIONS. When used with initial capitalizations, whether in the
      singular or in the plural, the following terms as used in this Agreement
      shall have the following meanings:

      a.    "Adjusted Net Metered Output" shall mean Net Metered Output, as
            adjusted for system transmission losses, if any, pursuant to Section
            8a.

      b.    "Agreement" shall mean this Long-Term Agreement for the Purchase
            and Sale of Electricity.

      c.    "Commercial Operation Date" shall mean 2400 hours on the date upon
            which Seller's Project meets the criteria set forth in Section 7.

      d.    "Contract Year" shall mean each one (1) year period commencing on
            either the Commercial Operation Date or each anniversary of such
            date thereafter, and ending on the next anniversary of the
            Commercial Operation Date.

      e.    "Contract Rating" shall mean that amount, expressed in kilowatts, as
            determined in Section 7.

      f.    "Interconnection Equipment" shall mean the equipment and facilities
            required to effect an electrical

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            interface between Sierra's electrical system and Seller's Project
            including, but not limited to, electric lines, protective equipment,
            metering and communication equipment.

      g.    "Net Metered Output" shall mean all electric capacity and energy
            produced by Seller's Project less Seller's Project Station Use and
            transformation and transmission losses, if any, between the meter
            and the Point of Delivery.

      h.    "Point of Delivery" shall mean the point where Seller's electrical
            conductors contact Sierra's system as it shall exist whenever the
            deliveries are being made.

      i.    "Prudent Electrical Practice(s)" shall mean those practices,
            methods, and equipment, as changed from time to time, that are
            commonly used in prudent electrical engineering and operations to
            design and operate electric equipment.

      j.    "Qualifying Facility" shall mean a cogeneration or small power
            production facility which meets the criteria as defined in Title 18,
            Code of Federal Regulations, Section 292.201 through 292.207.

      k.    "Scheduled Maintenance Periods" shall mean those times during which
            Seller's Project is shut down for routine scheduled maintenance.

      l.    "Seller's Project" or "Project" shall mean the generating facilities
            owned and operated by the Seller as defined in Section 6.

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      m.    "Station Use" shall mean the capacity and energy used to operate the
            Project's auxiliary equipment. Auxiliary equipment includes, but is
            not limited to, forced and induced draft fans, well pumps, cooling
            towers, boiler feed pumps, lubricating oil systems, plant lighting,
            fuel handling systems, control systems, and sump pumps.

3.    EXHIBITS.  The following Exhibits A through N are attached hereto and
      incorporated herein by reference. Exhibits C, G, H, I, J and K, upon
      approval by the PSCN of any amendments or supplements to, or replacements
      of such rules or schedules, shall be modified to reflect such amendments,
      supplements, or replacements (Exhibits A, B, D, E, F, L, M and N may be
      modified by mutual agreement of the Parties.).

      Exhibit A      Project Unit Listing
      Exhibit B      Contract Rating
      Exhibit C      Schedule CSPP
      Exhibit D      Payment Schedule
      Exhibit E      Sample Billing Calculations
      Exhibit F      Estimated Project Schedule
      Exhibit G      Rule No. 16, Service Connections, Meters, and
                     Customer's Facility
      Exhibit H      Rule No. 17, Meter Tests and Adjustments of Bills for
                     Error
      Exhibit I      Rate Schedule FSS, Firm Standby Service
      Exhibit J      Rule No. 2 Description of Service
      Exhibit K      Rule No. 15 Cogenerators and Small Power Producers
                     (QFs)
      Exhibit L      SPPCo. Engineering Standard 2.2GN02
      Exhibit M      Facility Wiring Diagram and Specifications
      Exhibit N      Final Interconnection Drawing

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4.    TERM AND TERMINATION. This Agreement shall be effective from the date
      of its execution by both Parties and shall continue thereafter for a term
      of thirty (30) years after 2400 hours on the Commercial Operation Date
      (the "Term").

      This Agreement may be terminated at any time by written notice from Sierra
      to Seller in the event either of the following conditions occur:

      a.    Seller fails to meet any one of the Project completion dates
            specified in Section 9 in this Agreement.

      b.    Seller's Project does not deliver any capacity and energy to Sierra
            during any continuous 180 day period after the Commercial Operation
            Date of such Project and Seller is not exercising reasonable efforts
            to resume operation of the Project.

      A notice of termination under this section shall be delivered under the
      provisions of Section 21.

5.    REMEDIES. Upon either Party's failure to perform any condition of this
      Agreement, the other Party, except to the extent specifically limited by
      this Agreement, may exercise any rights or remedies it may have in law or
      in equity including but not limited to compensation for monetary damages,
      injunctive relief and specific performance; provided, however, that
      neither Party shall be liable to the other Party for any indirect,
      consequential, incidental, punitive or exemplary damages.

6.    SALE OF CAPACITY AND ENERGY. Seller shall sell and Sierra shall purchase
      all capacity and energy generated, available for sale, and delivered to
      the Point of Delivery from Seller's Project. Seller's Project means a
      geothermal plant

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      located within Sierra's service territory near Steamboat, Nevada,
      consisting of two (2) units with a total site specific nameplate rating of
      2,000 kilowatts. Specific make, model, and generator nameplate rating for
      the units are contained in Exhibit A, Project Unit Listing.

      Seller's Project is expected to deliver 1800 kilowatts maximum to Sierra
      during any hour, subject to seasonal variation. Seller expects to provide
      14,000,000 kilowatt hours of energy to Sierra during each Contract Year.

7.    DETERMINATION OF COMMERCIAL OPERATION DATE AND CONTRACT RATING.

      a.    Prior to declaring the Project commercially operable, Seller shall
            demonstrate the Project capability by way of a shakedown period of
            operation. The period of sustained operation shall be a minimum of
            thirty (30) continuous days during which period the plant shall be
            generating a minimum of 500 hours. The average generation net output
            level during the 500 hours shall be at least 1200 kW. Seller's
            demonstration shall include a showing of the operability of the
            Project's auxiliary equipment as noted in Section 2.m.

      b.    Seller shall notify Sierra that the Project capability demonstration
            is complete and certify that the project is commercially operable.
            Sierra shall review recorded data to verify the certification.

      c.    Coincident with or subsequent to Sierra's review of the data, Seller
            may begin the test period for determination of the Contract Rating.
            Said test period shall consist of 100 hours of continuous operation,
            designated by Seller, and delivery of capacity and

                                        9

            energy by the Project to Sierra. As soon as possible after the
            completion of the test period of 100 hours, Seller shall notify
            Sierra that the test is complete, and specify the beginning and
            ending hour of said 100 hour test period.

      d.    Sierra will determine, (1) the average Adjusted Net Metered Output
            during the 100-hour period, and (2) the average of the 25 maximum
            on-peak and mid-peak hours of Adjusted Net Metered Output during the
            test period, regardless of whether said 25 hours are continuous. The
            Contract Rating for purposes of this Agreement shall be the lesser
            of (1) the 100 hour average divided by eight-tenths (0.80) or (2)
            the average of the 25 maximum on-peak and mid-peak hours in that
            time period.

      e.    In accordance with the provisions of Section 21, Sierra shall notify
            Seller, as soon as reasonably practicable after Seller's Commercial
            Operation Date, of the Contract Rating established under this
            Section. Said notification shall be incorporated into this Agreement
            as Exhibit B.

8.    RATE.

      a.    Net Metered Output quantities shall be reduced to reflect the
            additional system transmission losses, if any, that are determined
            to be applicable to Seller's Project. The amount of the reduction
            shall be deemed zero for purposes of this Agreement. All payments
            under this Section shall be based upon such Adjusted Net Metered
            Output quantities.

      b.    Sierra shall pay Seller for the Adjusted Net Metered

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            Output of Seller's Project produced between the effective date of
            this Agreement and 2400 hours on the Commercial Operation Date
            pursuant to Sierra's Schedule CSPP, attached hereto and incorporated
            by reference as Exhibit C.

      c.    If the Commercial Operation Date of the Project is on or before 2400
            hours on December 31, 1988, then

            (1)   Sierra will pay Seller, during the period commencing on the
                  Commercial Operation Date and continuing for the first ten
                  (10) years of the Term, for all Adjusted Net Metered Output
                  purchased from Seller's Project under the rates set forth in
                  Exhibit D.

            (2)   Sierra will pay Seller, during the period commencing on the
                  tenth (10th) anniversary of the Commercial Operation Date and
                  continuing for the balance of the Term, for all Adjusted Net
                  Metered Output purchased from Seller's Project under the rates
                  set forth in Exhibit C.

      d.    If the Commercial Operation Date is after December 31, 1988 but
            before March 31, 1989 then;

            (1)   Sierra will pay Seller, during the period commencing on the
                  Commercial Operation Date and continuing for the first ten
                  (10) years of the Term, for all Adjusted Net Metered Output
                  purchased from Seller's Project at a rate calculated at 90% of
                  the rates set forth in Exhibit D.

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            (2)   Sierra will pay Seller, during the period commencing on the
                  tenth (10th) anniversary of the Commercial Operation Date
                  and continuing for the balance of the Term, for all Adjusted
                  Net Metered Output purchased from Seller's Project under the
                  rates set forth in Exhibit C.

9.    PROJECT SCHEDULE. Seller's best estimate of its completion dates for
      project activities related to establishing a Commercial Operation Date by
      March 31, 1989 are set forth below. Seller shall complete the project
      activities by 2400 hours on the date specified for each activity. If any
      activity is not completed by the time specified, this Agreement shall
      terminate effective 2400 hours on the specified completion date.

                   ACTIVITY                           COMPLETION DATE

      a.    Pouring of concrete foundations
            for the turbine-generators.               August 1, 1988

      b.    Placement of the two turbine
            generators on their
            foundation and the connection
            of all required fuel piping
            including geothermal and
            hydrocarbon fluid piping.                 Nov. 14, 1988

      c.    Establish the Commercial
            Operation Date-
            this shall mean the completion
            of the activities required in
            Sections 7.a., 7.b., and 7.c.             March 30, 1989

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10.   METERING. Seller's Adjusted Net Metered Output shall be determined by
      meters installed at or compensated to the Point of Delivery and adjusted
      for appropriate system transmission losses pursuant to Section 8.a. The
      metered quantities shall be the gross Project output less Station Use. All
      meters will be sealed, operated, and tested in accordance with Sierra's
      Electric Rules No. 16 and No. 17, attached hereto and incorporated by
      reference as Exhibits G and H, respectively. Upon Approval by the PSCN of
      any amendments or supplements to, or replacement of such Rules, Exhibits G
      and H shall be changed to reflect those amendments, supplements or
      replacements.

11.   SELLER'S PURCHASE OF CAPACITY AND ENERGY.

      a.    Subject to Sierra's transmission capacity limitations Sierra agrees
            to provide electric capacity and energy to meet Seller's Station Use
            at times when Seller's Project generation output is less than the
            Project Station Use. Such service shall be provided pursuant to the
            applicable rate schedule attached hereto as Exhibit I, which is
            applicable to the backup/standby service that is being provided to
            Seller under this Agreement. Such sale shall be subject to the
            provisions of Rule No. 2 "Description of Service" attached hereto as
            Exhibit J.

      b.    Seller agrees to limit the starting inrush electric current of
            its generators and motors so as not to cause more than a 4 percent
            voltage dip on Sierra's distribution system to which Seller's
            Project is interconnected.

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12.   PAYMENT.

      a.    Capacity and energy sold to Sierra, pursuant to Section 6, shall
            be determined by meters installed at or compensated to the Point of
            Delivery. Such meters shall be read on a monthly billing period
            basis by Sierra and resulting amounts shall be used by Sierra to
            calculate the payment to Seller pursuant to Section 8. Within thirty
            (30) days of receipt of such meter readings, Sierra shall deliver
            payment for such capacity and energy to Seller at the address
            provided in Section 21.

      b.    Electricity supplied to Seller pursuant to Section 11 shall be
            paid for by Seller upon receipt of billing from Sierra, pursuant to
            Exhibit I. Should Seller fail to pay statement(s) from Sierra in
            full pursuant to Exhibit I, Sierra may offset future payments to
            Seller under this Agreement by such amounts.

      c.    Any other payments required to be made to Sierra under this
            Agreement shall be made by Seller within thirty (30) days of receipt
            of an invoice from Sierra requesting said payment. Should Seller
            fail to pay the amount of such invoice, Sierra may offset future
            payments to Seller under this Agreement by such amounts.

13.   MAINTENANCE.

      a.    Seller shall provide Sierra with a list of Scheduled Maintenance
            Periods by July 1 of each calendar year, but not later than six (6)
            months prior to beginning the proposed scheduled maintenance. Sierra
            shall

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            provide Seller with scheduled maintenance periods on equipment that
            will impact the delivery of capacity and energy from Seller's
            project as soon as reasonably practicable. The Parties shall
            coordinate with each other whenever possible to preform scheduled
            maintenance in order to minimize the impact on the Parties' systems.

      b.    In the event the Project must be shut down for unscheduled
            maintenance, Seller shall notify Sierra as soon as practicable of
            the necessity of such shutdown, the time when such shutdown has
            occurred, or will occur, and the anticipated duration of the
            shutdown. Seller shall take all reasonable measures and exercise
            reasonable efforts to avoid unscheduled maintenance and to limit the
            duration of the shutdown.

      c.    An operating procedures document prepared by Sierra which details
            the operation procedures to be followed by the Project operators and
            Sierra's dispatchers shall be executed prior to delivery of capacity
            and energy from the Project.

14.   CONTINUITY OF DELIVERIES. Subject to Prudent Electrical Practices, Sierra
      may require Seller to curtail, interrupt, or reduce deliveries of Net
      Metered Output, in order for Sierra to construct, install, maintain,
      repair, replace, remove, investigate, or inspect any of Sierra's equipment
      or any part of its system, or if Sierra determines that curtailment,
      interruption, or reduction is necessary because of emergencies, operating
      conditions, other than economic dispatch, on its system. Seller shall
      reduce its generation at Sierra's request on any hour that Sierra would
      otherwise be required to operate Sierra's plants below a minimum
      operational level. In such circumstances, Sierra shall not

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      be obligated to accept deliveries of, or pay Seller for, Adjusted Net
      Metered Output that otherwise would have been delivered during such period
      of curtailment, interruption, or reduction. Sierra shall use reasonable
      efforts to resume acceptance as soon as is reasonably practicable.

15.   PROJECT DESIGN, CONSTRUCTION, AND OPERATION.

      a.    Seller shall, at Seller's expense, design, construct, install,
            operate, and maintain Seller's Project. Specific special Project
            requirements as noted in the interconnection study conducted by
            Sierra dated July 7, 1987 shall be incorporated into the design of
            the Project. Seller shall provide Sierra with those specifications,
            drawings, and electrical data concerning the Project necessary to
            allow Sierra to make stability and protection studies. All
            specifications and changes in specifications, including new or
            additional equipment, shall be subject to Sierra's review and
            acceptance. Such review and acceptance shall be completed promptly
            but in no event longer than sixty (60) days after receipt by Sierra
            and shall be for the sole purpose of insuring that Seller's Project
            is compatible with Sierra's system. Such acceptance shall not be
            unreasonably withheld. Sierra's acceptance of Seller's
            specifications, drawings, and electrical data shall not be construed
            as confirming nor endorsing the design, nor as a warranty of safety,
            durability, or reliability of the Project. Sierra shall not, by
            reason of any review, acceptance, or failure to review, be
            responsible for the Project, including but not limited to the
            strength, details of design, adequacy or capacity thereof, nor shall
            Sierra's acceptance be deemed to be an endorsement of the Project.

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      b.    The design and construction of the Project shall be Seller's
            responsibility, and Seller shall ensure that the requirements of all
            applicable federal, state, and local laws, and all regulations
            promulgated by such laws are met. Prior to commencement of
            generation, and upon completion of any major changes, Seller at
            Seller's expense, shall arrange for the Project to be inspected and
            approved by appropriate federal, state, and local officials to the
            extent required by applicable law.

      c.    Once Seller's and Sierra's electrical facilities are connected,
            both Parties will operate their respective facilities in accordance
            with Rule No. 15 (Exhibit K) Sierra's Specification 2.2 GN 02
            (Exhibit L), and revisions and replacements thereto; the Facility
            Wiring Diagram and Specifications (Exhibit M) and the Final
            Interconnect Drawing agreed upon by the Parties to this Agreement
            (Exhibit N). The Parties acknowledge that with operating experience
            adjustment of the operating requirements may be necessary.

      d.    Sierra's obligation to interconnect Seller's Project is
            contingent upon the approval of plans and specifications described
            in Section 16 below.

16.   INTERCONNECTION.

      a.    Seller shall install all Seller's Interconnection Equipment.
            Seller's Interconnection Equipment shall be of utility grade and of
            a rating sufficient to accommodate the delivery of the generation
            under this Agreement. Seller shall allow Sierra to review the
            adequacy of all protective devices and to establish requirements for
            settings and periodic testing, provided, however, that neither such
            action or inaction

                                       17

            by Sierra shall be construed as warranting the safety or adequacy of
            Seller's Interconnection Equipment. Seller shall not make any
            modification to Seller's Interconnection Equipment which
            substantially affects the delivery of electricity without advance
            written notification to Sierra and ultimate acceptance of each
            change by Sierra. Such review shall be done promptly but in any
            event no longer than sixty (60) days from Sierra's receipt of all
            information necessary for such review. Such acceptance shall not be
            unreasonably withheld. All such equipment installed hereunder shall
            conform with the National Electrical Code. Seller shall reimburse
            Sierra for Sierra's costs associated with initial and periodic
            testing of Seller's Interconnection Equipment.

      b.    Connection of Seller's Interconnection Equipment to Sierra's
            system shall be by or under the direction of Sierra at Seller's
            expense. Sierra shall schedule and complete the final
            interconnection and testing of the interconnection facilities
            pursuant to a Special Facilities Agreement.

      c.    In the event that it is necessary for Sierra to install any
            facilities and equipment on Sierra's system or to reinforce Sierra's
            system to accommodate Seller's deliveries, Seller shall reimburse
            Sierra for all of Sierra's costs associated therewith, in accordance
            with the provisions of a Special Facilities Agreement. Not less
            often than annually, Seller shall also reimburse Sierra pursuant to
            Section 12 above, for all of Sierra's operation and maintenance
            costs resulting from Sierra's installation of facilities and
            equipment under a Special Facilities Agreement. In addition, Seller
            shall pay for the cost of the replacement of any such

                                       18

            facilities during the term of this Agreement. Sierra shall use
            reasonable efforts to minimize such costs.

17.   CONDITIONS. The obligation of Sierra to accept delivery of or purchase
      capacity and energy under this Agreement is conditioned upon receipt of
      copies of the following documents by Sierra prior to the initial delivery
      of Adjusted Net Metered Output.

      a.    Evidence of the certification of Seller's Project as a cogeneration
            or small power production facility by the FERC pursuant to PURPA and
            the regulations promulgated pursuant to said Act; and

      b.    Evidence of application for and receipt by Seller of any permits
            or other approvals required by Chapter 704 of the Nevada Revised
            Statutes; and

      c.    A statement by independent qualified professionals sufficient to
            establish that Seller's Project has geothermal resource supply and
            generation equipment capable of producing energy and capacity at its
            Contract Rating for the full Term of this Agreement; and

      d.    Plans and specifications for Seller's Project and Interconnection
            Equipment which are acceptable to Sierra, as set forth in Sections
            15 and 16 above; and

      f.    Evidence that Seller has made all filings necessary to qualify to
            do business in the State of Nevada.

18.   LIABILITY AND INDEMNIFICATION. Each Party shall indemnify and hold
      harmless the other Party against and from any and all loss and liability
      for personal injury or property damage, resulting from or arising out of
      (1) the engineering, design, construction, maintenance, or operation

                                       19

      of or (2) the asking of replacements, additions, or betterments to, the
      indemnitor's facilities. Neither party shall be indemnified for liability
      or loss to the extent such liability or loss results from, or is
      contributed to by, that Party's negligence or willful misconduct. The
      indemnitor shall, on the other Party's request, defend any suit asserting
      a claim covered by this indemnity, and shall pay all costs, including
      reasonable attorney fees, that may be incurred by the other Party in
      enforcing this indemnity.

19.   INSURANCE.

      a.    Seller shall maintain worker's compensation or self-insurance
            which satisfies the applicable requirements of Nevada law. Within
            thirty (30) days after execution of this Agreement, Seller shall
            provide Sierra with a certificate evidencing such insurance.

      b.    Prior to connection of the Project to Sierra's system, Seller
            shall secure and continuously carry for the Term hereof, with an
            insurance company or companies acceptable to Sierra, insurance
            policies for bodily injury and property damage liability. Such
            acceptance shall not be unreasonably withheld. Such insurance shall
            include: provisions or endorsements naming Sierra as additional
            insured as its interest may appear; provisions that such insurance
            is primary insurance with respect to the interest of Sierra and that
            any insurance maintained by Sierra is excess and not contributory
            insurance with the insurance required hereunder; cross-liability or
            severability of insurance interest clause; and provisions that such
            policies shall not be cancelled or their limits of liability reduced
            without thirty (30) days prior written notice to Sierra. Initial
            limits of liability for all

                                       20

            requirements under this Section shall be not less than $l,000,000
            for each occurrence.

      c.    Seller shall provide Sierra with a copy of each insurance policy
            required under this Section, certified as a true copy by an
            authorized representative of the issuing insurance company or, at
            the discretion of Sierra, in lieu thereof, a certificate in a form
            satisfactory to Sierra certifying to the issuance of such insurance.
            Seller shall submit such documents at the address listed in Section
            21 prior to connection of the Project to Sierra's system and at all
            other times such as insurance policies are renewed or changed.

      d.    If Seller has not obtained such insurance or maintained the
            status of such insurance, Seller shall not deliver capacity and
            energy to Sierra, and Sierra shall have no obligation to accept any
            tenders of delivery until appropriate insurance is obtained or
            reinstated. Sierra's obligation to purchase shall be reinstated only
            upon receipt of certificates of insurance showing that such
            insurance has, in fact, been obtained or reinstated.

20.   PERMITS, LICENSES, AND AUTHORIZATIONS. It shall be Seller's responsibility
      to obtain any and all state, federal, and local permits, licenses, or
      other documents necessary to the construction and operation of Seller's
      Project and the sale of energy and capacity therefrom to Sierra. If Seller
      has not obtained such documents or maintained the status and approvals
      they represent, Seller shall not deliver capacity and energy to Sierra and
      Sierra shall have no obligation to accept any tenders of delivery until
      the appropriate documents are obtained or reinstated. Sierra's obligation
      to purchase shall be reinstated only upon receipt of proof

                                       21

      that such documents have, in fact, been obtained or reinstated.

21.   NOTICES. Whenever in this Agreement it shall be required, permitted, or
      desired that notice or demand be given by either Party to or on the other,
      such notice or demand shall be in writing and may be either personally
      served or sent by Untied States mail and shall be deemed to have been
      given when personally served or when deposited in the United States mail,
      certified or registered, with postage prepaid and properly addressed. For
      the purposes hereof, the addresses of the Parties hereto, until notice of
      a change thereof is given as provided in this paragraph, shall be as
      follows:

      Sierra:  Sierra Pacific Power Company
               Attention: Manager, Power and Fuel Contracts
               6100 Neil Road, Reno, NV 89511
               P.O. Box 10100
               Reno, NV  89520
               Phone:  (702) 689-4889
               Telecopy:  (702) 689-4202

      Seller:  Far West Capital, Inc.
               Attn: Thomas A. Quinn
               1135 East South Union Avenue
               Midvale, Utah 84047
               Phone:  (801) 566-7771
               Telecopy:  (801) 566-5541

22.   FORCE MAJEURE.

      a.    The term Force Majeure as used herein means unforeseeable causes
            beyond the reasonable control of and without the fault or negligence
            of the Party claiming Force Majeure including, but not limited to,

                                       22

            acts of God; labor disputes; sudden actions of the elements; actions
            by federal, state, and municipal agencies; and actions of
            legislative, judicial, or regulatory bodies which prohibit or
            seriously impede performance under or compliance with the terms of
            this Agreement. Unless caused by an independent identifiable event
            of Force Majeure, the non-availability of geothermal resource supply
            to generate capacity and energy from the Project shall not be
            considered an event of Force Majeure.

      b.    If either Party, because of Force Majeure, is rendered wholly or
            partly unable to perform its obligations under this Agreement, that
            Party shall be excused from whatever performance is affected by the
            Force Majeure to the extent so affected, provided that:

            (1)   The Party claiming Force Majeure promptly gives the other
                  Party oral notice, followed by written confirmation
                  describing the particulars of the occurrence.

            (2)   The suspension of performance is of no greater scope and of
                  no longer duration than is required by the Force Majeure.

            (3)   The nonperforming Party uses its best efforts to remedy its
                  inability to perform. This subsection shall not require
                  settlement of any strike, walkout, lockout, or other labor
                  dispute on terms which in the sole judgment of the Party
                  involved in the dispute, are contrary to its interest. It is
                  understood and agreed that settlement of strikes, walkouts,
                  lockouts, or other disputes shall be at the sole discretion
                  of the Party having the difficulty.

                                       23

            (4)   When the nonperforming Party is able to resume performance
                  of its obligation under this Agreement, that Party shall
                  give the other Party written notice to that effect.

23.   SUCCESSORS IN INTEREST. This Agreement shall be binding on both Parties,
      and on their heirs, successors in interest, and permitted assigns except
      as provided in Section 25 below.

24.   ASSIGNMENT. Subject to Section 25 below, neither Party shall voluntarily
      assign this Agreement without the prior written consent of the other
      Party. Such consent shall not be unreasonably withheld. Any assignment
      made without such consent shall be void.

25.   COLLATERAL ASSIGNMENTS. Either Party shall have the right, without the
      other Party's consent, but with a thirty (30) day prior written notice to
      the other Party, to make a collateral assignment of its rights under this
      Agreement to satisfy the requirements of any development, construction, or
      other long-term financing.

      A collateral assignment as described above shall not constitute a
      delegation of Seller's obligations under this Agreement, and this
      Agreement shall not bind the collateral assignee. Any collateral assignee
      succeeding to any portion of the ownership interest of Seller in the
      Project shall be considered seller's successor in interest and shall
      thereafter be bound by this Agreement.

26.   ENTIRE AGREEMENT. This document constitutes the entire agreement of the
      Parties and supersedes all previous agreements whether written or oral.
      This Agreement may be amended only by an instrument in writing signed by
      both Parties hereto.

                                       24

27.   GOVERNING LAW. This Agreement shall be interpreted, governed by and
      construed according to the laws of the State of Nevada, as if executed and
      to be performed wholly within the State of Nevada, and any litigation by
      the Parties as to this Agreement shall be in a court of competent
      jurisdiction within the State of Nevada.

28.   PSCN APPROVAL. The obligation of Sierra to purchase capacity and energy
      from Seller pursuant to this Agreement is hereby made expressly
      conditional on the approval of this Agreement by the PSCN. The Parties
      shall take all reasonable actions necessary to secure approval by the PSCN
      of this Agreement in its entirety and without change. PSCN approval shall
      be sought as soon as reasonably practicable subsequent to the date of
      execution of this Agreement. Failure of the PSCN to approve this Agreement
      shall terminate this Agreement effective as of the date of such PSCN
      action. PSCN approval shall not be considered to have occurred unless the
      PSCN issues an order within ninety (90) days of the filing of this
      Agreement for approval, which order:

      a.    Approves this Agreement in its totality and without change; and

      b.    Makes a specific finding and order that (1) in the event the 85 MW
            cap established in the PSCN Opinion and Order in Docket 87-126, as
            modified, is not filled, the Project's Contract Rating shall be
            included in the 85 MW cap or (2) in the event the 85 MW cap is
            filled, the Project's Contract Rating shall be included as a Sierra
            capacity resource eligible to meet Sierra's load requirements; and

                                       25

      c.    Makes a specific finding and order that Sierra acted in a reasonable
            and prudent manner in executing this Agreement.

29.   NOTICE OF SALE OF PROJECT. Seller is aware that Sierra may be interested
      in purchasing the Project at some future data. In the event Seller is
      considering a sale of the Project, it will use reasonable effort to notify
      Sierra of the Project's availability for sale. In no event shell this be
      construed to be a first right of refusal.

30.   DISPUTE RESOLUTION. In the event that a dispute should arise between
      Sierra end Seller concerning the terms and enforcement of this Agreement,
      the Parties agree to resolve their dispute by means of binding arbitration
      conducted in Reno, Nevada, under the rules and procedures of the American
      Arbitration Association. The Parties shall first endeavor to select a
      single arbitrator who, by reason of his/her education and experience, is
      mutually acceptable to both Parties. If the Parties are unable to agree
      upon a single arbitrator, they shall each choose one (1) arbitrator, and
      the two arbitrators thus selected shall choose a third arbitrator to form
      a three-member panel to hear and resolve the dispute. In preparing their
      cases for presentation to the arbitrator(s), the Parties shall have the
      same rights of discovery afforded to litigants under the Nevada Rules of
      Civil Procedure and the local rules of the Second Judicial District Court
      for Washoe County, Nevada.

                                       26

31.   MULTIPLE ORGINALS. Two (2) copies of this Agreement have been executed by
      the Parties. Each executed copy shall be deemed an original.

      IN WITNESS WHEREOF, the Parties hereto have executed this Agreement this
29TH day of OCTOBER, 1988.

                     [STAMP]            Sierra: SIERRA PACIFIC POWER COMPANY
                                        By /s/ Gerald Canning
                                           --------------------------
                                        Titles: Vice President,
                                                Electrical Operations
                                                ---------------------

                                        Seller:
                                        FAR WEST CAPITAL, INC.

                                        By /s/ Alan O. Melchior
                                           -------------------------
                                        Title: Pres.
                                               ---------------------
                                        Date: 10-27-88

                                       27

                                SCHEDULE NO. CSPP

                                SHORT-TERM RATES
                    COGENERATION AND SHALL POWER PRODUCTION

APPLICABILITY

      This schedule is applicable only to purchases from Qualifying Facilities
as defined in Utility's Nevada Electric Tariff No. 1 Rule No. 15 under a
Short-Term Purchase Agreement with Utility and where no other schedules are
specifically applicable.

RATES

      Utility will pay the sum of the following rates for the energy and
capacity provided as determined by meter readings:

(1)   ENERGY RATE

a.    Time-differentiated:                         1988               1988
                                               3rd Quarter        4th Quarter
                                             Jul. 1 - Sep. 30   Oct. 1 - Dec. 31
                                             ----------------   ----------------
      Winter
        All On-Peak kWh, per kWh              Not Applicable        $.02617
        Plus all Mid-Peak kWh, per kWh        Not Applicable        $.02286
        Plus all Off-Peak kWh, per kWh        Not Applicable        $.01835

      Summer
        All On-Peak kWh, per kWh                 $.02368         Not Applicable
        Plus all Off-Peak kWh, per kWh           $.01954         Not Applicable

b.    Non-time differentiated: (See Special Condition 3)

        All kWh, per kWh                         $.02161            $.O2186

                                   (Continued)

Issued:         7/1/88
                                      Issued By:
Effective:      7/1/88             Austin W.Stedham
                                       President
Advice No.:     271-E

                                SCHEDULE NO. CSPP

                                SHORT-TERM RATES
                     COGENERATION AND SHALL POWER PRODUCTION
                                  (Continued)

(1)   CAPACITY RATE

a.    Time-differentiated:

                                                   1988              1988
                                               3rd Quarter        4th Quarter
                                             Jul. 1 - Sep. 30   Oct. 1 - Dec. 31
                                             ----------------   ----------------
      Winter
        All On-Peak kWh, per kWh              Not Applicable        $.01515
        Plus all Mid-Peek kWh, per kWh        Not Applicable        $.00256
        Plus all Off-Peak kWh, per kWh        Not Applicable        $.00013

      Summer
        All On-Peak kWh, per kWh                 $.02593         Not Applicable
        Plus All Off-Peak kWh, per kWh           $.00220         Not Applicable

b.    Non-time differentiated: (See Special Condition 3)

        All kWh, per kWh                         $0.00752           $.00757

SPECIAL CONDITIONS

1.    The payment period for Utility purchases hereunder shall be the time
interval between two consecutive meter readings that are taken for billing
purposes.

2.    The Utility and the Qualifying Facility shall have executed a Short-Term
Purchase Agreement for the purchase and sale of capacity and energy.

3.    Qualifying Facilities having rated (nameplate) capacities of 100 kW or
less shall have the option to choose either flat or time-differentiated rates.
Qualifying Facilities having rated (nameplate) capacities in excess of 100 kW
will receive payments based on the time-differentiated rates only.

                                  (Continued)

Issued:         7/1/88
                                      Issued By:
Effective:      7/1/88             Austin W.Stedham
                                       President
Advice No.:     271-E

                                    EXHIBIT D
                                PAYMENT SCHEDULE
                             FAR WEST CAPITAL, INC.

1.    This payment schedule is applicable only to purchases of capacity and
      energy from the Far West Steamboat Expansion Project described in this
      Agreement, for the first ten (10) years of the Term.

2.    If the Seller's Project establishes a Commercial Operation Date which
      meets the criteria specified in Section 8 of this Agreement and thereby
      qualifies for payments pursuant to this Exhibit, Sierra will pay the sum
      of the following rates for the energy and capacity delivered as determined
      by the Adjusted Net Metered Output:

(a)   Period                   Time Differentiated Rates     $ per kilowatt-hour

        Winter                               Energy Rate     Capacity Rate
                                             -----------     -------------
        All on-peak kWH per kWH               $O.02634         $0.05508
        All mid-peak kWH per kWH              $0.02554         $0.00932
        All off-peak kWH per kWH              $0.02308         $0.00049

        Summer

        All on-peak kWH per kWH               $0.02579         $0.09457
        All off-peak kWH per kWH              $0.02350         $0.00804

3.    The payment period for Sierra purchases hereunder shall be the time
      interval between two consecutive meter readings that are taken for billing
      purposes.

4.    "Peak Period" means the total On-Peak and Mid-Peak hours, approved by
      the PSCN which may be revised from time to time and will be automatically
      replaced upon PSCN approval, reduced by the number of Peak Period hours,
      associated with the Project's Sierra's requirement to curtailment of
      continuity of delivery of Net Metered Output pursuant to Section 14.

      The Peak Period will be further reduced by the cumulative monthly total of
      Peak Period hours associated with Sierra's requirement to curtail Adjusted
      Net Metered output pursuant to Section 14 to the extent such monthly
      curtailment exceeds 4 hours. Only the hours of curtailment that exceed 4
      hours shall be deducted on a cumulative or monthly basis. It shall be
      Seller's responsibility to maintain a log of the monthly and cumulative
      total of curtailment hours and notify Sierra monthly of such amounts.

5.    Daily time periods will be based on Pacific time and are defined as
      follows:

      Winter Period     On-Peak      5:01 p.m. to l0:00 p.m. daily
                       Mid-Peak      7:00 a.m. to  5:00 p.m. daily
                       Off-Peak      All other hours

      Summer Period     On-Peak      10:01 a.m. to 10:00 p.m. daily
                       Off-Peak      All other hours

      The winter period will consist of eight months from October through May.
      The summer period will consist of four months from June through September.

      This table is excerpted from Electric Tariffs No. 2, PSCN Sheet No. 7 and
      is subject to change in accord with the on-peak, mid-peak, and off-peak
      periods as defined in SPPC's own rate schedules for the sale of
      electricity, as revised from time to time.

6.    The rates contained herein shall be adjusted on June 1 of each year based
      on the change in the applicable index during the prior calendar year. The
      adjustment shall be calculated as follows:

            R(n)  =  (I(n-1)/I(n-2)) R(n-1)

            R     =  the indexed rate

            I     =  the absolute level of the appropriate year end
                     index

            n     =  the calendar year in which the adjustment takes
                     place

      The energy rates will be adjusted using the Producer Price Index for the
      Coal Subcategory of the Fuels and Related Products. The capacity rates
      will be adjusted using the Handy-Whitman price index, total steam
      production plant category. Such rates shall become effective on March 1 of
      each year.LONG TERM AGREEMENT

                                     BETWEEN

                          SIERRA PACIFIC POWER COMPANY

                                       AND

                             FAR WEST CAPITAL, INC.

                                  STEAMBOAT II

                               LONG TERM AGREEMENT
                                     BETWEEN
                          SIERRA PACIFIC POWER COMPANY
                                       AND
                             FAR WEST CAPITAL, INC.
                                  STEAMBOAT II

Section    Title                                                         Page
-------    -----                                                         ----

  1.       Recitals....................................................    1

  2.       Definitions.................................................    2

  3.       Exhibits....................................................    4

  4.       Term and Termination........................................    5

  5.       Remedies....................................................    5

  6.       Sale of Capacity and Energy.................................    6

  7.       Determination of Commercial Operation Date..................    9

  8.       Rate........................................................    11

  9.       Project Schedule............................................    11

  10.      Metering....................................................    12

  11.      Guarantees..................................................    13

  12.      Seller's Purchase of Capacity and Energy....................    13

  13.      Payment.....................................................    14

  14.      Maintenance.................................................    15

  15.      Continuity of Deliveries and Economic Dispatch..............    15

  16.      Project Design, Construction, and Operation.................    16

  17.      Interconnection.............................................    19

  18.      Conditions..................................................    21

  19.      Liability and Indemnification...............................    21

  20.      Insurance...................................................    22

  21.      Permits, Licenses, and Authorizations.......................    23

  22.      Option to Purchase .........................................    24

  23.      Right of First Offer........................................    25

  24.      Notices.....................................................    26

  25.      Force Majeure...............................................    27

  26.      Successors in Interest......................................    28

  27.      Assignment..................................................    28

  28.      Collateral Assignments......................................    29

  29.      Entire Agreement............................................    29

  30.      Governing Law...............................................    29

  31.      PSCN Approval...............................................    29

  32.      Dispute Resolution..........................................    30

  33.      Multiple Originals..........................................    31

                               LONG TERM AGREEMENT
                            FOR THE PURCHASE AND SALE
                                 OF ELECTRICITY

      THIS AGREEMENT, for the purchase and sale of electricity, is entered into
as of the date of its execution by and between SIERRA PACIFIC POWER COMPANY, a
Nevada Corporation ("Sierra"), and FAR WEST CAPITAL, INC., a Utah Corporation
("Seller"). Seller and Sierra hereinafter are sometimes referred to individually
as "Party" and collectively as "Parties".

1. Recitals. This Agreement is based upon the following facts:

      (a) Sierra is a public utility engaged in the purchase, production,
transmission, distribution, and sale of electric energy.

      (b) Sierra issued a Request for Proposals dated November 1989 from any
entities which could provide long term capacity and energy to meet Sierra's
needs through 1997. All proposals received were evaluated on both price and
non-price factors to determine those proposals that were the best value to
Sierra and its customers. The proposal from Seller was selected as one of the
proposals providing the best value supply to fill a portion of Sierra's long
term additional power needs.

      (c) The Seller presented a proposal for up to 48,000 kilowatt annual
average geothermal generating capacity to be installed in 12,000 kilowatt
increments to be located on the Steamboat Springs Known Geothermal Resource Area
in Washoe County in Sierra's Nevada service territory. Sierra has elected to
purchase the capacity and energy from one 12,000 kilowatt Average Peak Period
Capacity project under this Agreement.

                                  Page 1                        1/11/91

      (d) Seller desires to sell the electric capacity and energy produced by
Seller's 12,000 kilowatt Average Peak Period Capacity generating facility to
Sierra pursuant to the provisions of a long term agreement.

      In consideration of the premises and the mutual covenants and conditions
contained herein, the Parties agree as follows:

2. Definitions. When used with initial capitalizations, whether in the singular
or in the plural, the following terms as used in this Agreement shall have the
following meanings:

      (a) "Adjusted Net Metered Output" shall mean Net Metered Output, as
adjusted for system transmission losses, if any, pursuant to Section 8(a).

      (b) "Agreement" shall mean this Long-Term Agreement for the Purchase and
Sale of Electricity.

      (c) "Commercial Operation Date" shall mean 2400 hours on the date upon
which Seller's Project meets the criteria set forth in Section 7.

      (d) "Contract Year" shall mean each one (1) year period commencing on
either the Commercial Operation Date or each anniversary of such date, and
ending on the next anniversary of the Commercial Operation Date.

      (e) "Firm Capacity" shall mean power producing capacity of the Project
that shall be available to serve Sierra's Peak Period load during the Term of
this Agreement.

      (f) "Firm Energy" shall mean energy of the Project that shall be available
to serve Sierra's load during the Term of this Agreement.

      (g) "Interconnection Equipment" shall mean the equipment and facilities
required to effect an electrical interface between Sierra's electrical system
and Seller's Project including, but not limited to, electric lines, protective
equipment, metering and communication equipment.

                                  Page 2                        1/11/91

      (h) "Net Metered Output" shall mean all electric capacity and energy
produced by Seller's Project less Seller's Project Station Use and
transformation and transmission losses, if any, between the meter and the Point
of Delivery.

      (i) "Peak Period" shall mean the total on-peak and mid-peak hours in a
billing period as determined in Section 5 of Exhibit D.

      (j) "Peak Period Capacity" shall mean the average capacity delivered to
Sierra over the Peak Period for any billing period, excluding any hours during
which Seller reduced deliveries in response to Sierra's exercise of its rights
under Sections 15(a) and 15(b) of this Agreement. Peak Period Capacity will be
calculated as (total KWH of Adjusted Net Metered Output delivered during the
Peak Period) / (number of hours in the Peak Period).

      (k) "Point of Delivery" shall mean the point where Seller's electrical
conductors contact Sierra's system as it shall exist whenever the deliveries
are being made.

      (l) "Prudent Electrical Practice(s)" shall mean those practices, methods,
and equipment, as changed from time to time, that are commonly used in prudent
electrical engineering and operations to design and operate electric equipment.

      (m) "Qualifying Facility" shall mean a cogeneration or small power
production facility which meets the criteria as defined in Title 18, Code of
Federal Regulations, Section 292.201 through 292.207.

      (n) "Scheduled Maintenance Periods" shall mean those times during which
Seller's Project is shut down for routine scheduled maintenance.

      (o) "Seller's Project" or "Project" shall mean a 12,000 kilowatt Average
Peak Period Capacity geothermal generating facility located within Sierra's
service territory near Reno, Nevada known as Steamboat 2. Such Project shall
consist of all geothermal production and injection wells, geothermal fluid

                                  Page 3                        1/11/91

collecting and processing facilities, electric generators, turbine(s), cooling
facilities, electrical interconnection facilities, and other associated plant
facilities. Specific make, model, and generator nameplate rating for the
generating units are contained in Exhibit A.

      (p) "Station Use" shall mean the capacity and energy used to operate the
Project's auxiliary equipment. Auxiliary equipment includes, but is not limited
to, forced and induced draft fans, well pumps, air coolers, boiler feed pumps,
lubricating oil systems, plant lighting, fuel handling systems, control systems,
and sump pumps and any other facility specific equipment operated by the power
generated by the Project.

3. Exhibits. The following Exhibits A through Q are attached hereto and
incorporated herein by reference. Exhibits C, G, H, I, J and K, upon approval by
the Public Service Commission of Nevada ("PSCN") of any amendments or
supplements to, or replacements of such rules or schedules, shall be modified to
reflect such amendments, supplements, or replacements. Exhibits A, E, F, L, M,
N, O, P and Q may be modified by mutual agreement of the Parties. Exhibit B
shall be modified pursuant to Section 6 of this Agreement. Exhibit D shall be
modified pursuant to Sections 5 and 6 of Exhibit D.

    Exhibit A     Project Unit Listing
    Exhibit B     Capacity Table
    Exhibit C     Schedule CSPP
    Exhibit D     Payment Schedule
    Exhibit E     Sample Billing Calculations
    Exhibit F     Estimated Project Schedule
    Exhibit G     Rule No. 16, Service Connections, Meters, and Customer's
                     Facility
    Exhibit H     Rule No. 17, Meter Tests and Adjustments of Bills for Error

                                  Page 4                        1/11/91

    Exhibit I     Rate Schedule FSS, Firm Standby Service
    Exhibit J     Rule No. 2, Description of Service
    Exhibit K     Rule No. 15, Cogenerators and Small Power Producers (QFs)
    Exhibit L     SPPCo. Engineering Standard 2.2GN02
    Exhibit M     Facility Wiring Diagram and Specifications
    Exhibit N     Final Interconnection Drawing
    Exhibit O     Milestones Schedule
    Exhibit P     Semi-Annual Project Report
    Exhibit Q     Sample Liquidated Damage Calculations

4. Term and Termination. This Agreement shall be effective from the date of its
execution by both Parties and shall continue thereafter for a term of thirty
(30) years after 2400 hours on the Commercial Operation Date (the "Term");
provided, however, that this Agreement may terminate earlier pursuant to the
provisions of this section or Section 31.

      This Agreement may be terminated at any time by written notice from Sierra
to Seller in the event any of the following conditions occur:

      (a) Seller fails to satisfy the provisions of Section 9 of this Agreement
regarding the milestones and associated dates as contained in Exhibit O.

      (b) Seller's Project does not deliver any capacity and energy to Sierra
during any continuous 180 day period after the Commercial Operation Date of
such Project unless due to Force Majeure, and Seller is not exercising
reasonable efforts to resume operation of the Project.

      A notice of termination under this section shall be delivered under the
provisions of Section 24. In the case of termination all rights and liabilities
incurred under this Agreement shall be preserved until satisfied.

5. Remedies. Upon either Party's failure to perform any obligation under this
Agreement, the other Party, except to the extent specifically limited by this

                                  Page 5                        1/11/91

Agreement, may exercise any rights or remedies it may have in law or in equity
including but not limited to compensation for monetary damages, injunctive
relief and specific performance; provided, however, that neither Party shall be
liable to the other Party for any indirect, consequential, incidental, punitive
or exemplary damages. The definition of consequential damages shall include a
claim for lost profits by the Seller or Sierra.

6. Sale of Capacity and Energy.

      (a) Subject to the provisions of this Agreement, Seller shall provide to
Sierra and Sierra shall purchase Firm Capacity and Firm Energy in the following
manner:

          (1) Firm Capacity during each billing period in the Term hereof in
      amounts not less than the Peak Period Capacity values specified in Exhibit
      B, and

          (2) Firm Energy which is expected to total approximately 111,400,000
      kilowatt hours in any Contract Year subject to the restrictions specified
      in Section 15 of this Agreement.

      (b) Sierra shall, at the end of the third Contract Year and the end of
each Contract Year thereafter, calculate the three year rolling average of the
Peak Period Capacity for the three immediately preceding Contract Years. Such
three year rolling average shall be the sum of the billing period Peak Period
Capacity values for each of the thirty-six (36) months divided by thirty-six
(36). If such three year rolling average is greater than or equal to 95% of the
Average Peak Period Capacity value specified in Exhibit B, then the capacity
rate to be paid pursuant to Section 8 for the ensuing Contract Year shall be the
amount specified in Exhibit D. If such three year rolling average is less than
95% and greater than or equal to 85% of the Average Peak Period Capacity value
specified in Exhibit B, then the capacity rate to be paid pursuant to Section 8
for the

                                  Page 6                        1/11/91

ensuing Contract Year shall be reduced one percent (1%) for each one percent
(1%) or portion thereof that such average is below 100% of the Average Peak
Period Capacity value specified in Exhibit B; provided, however, that during the
last fifteen (15) Contract Years of the Term of this Agreement, the reduction in
the capacity rate shall be 1.3% for each one percent (1%) or portion thereof
that the three year rolling average is below 100% of the Average Peak Period
Capacity value specified in Exhibit B. If the three year rolling average is less
than 85% of the Average Peak Period Capacity value specified in Exhibit B, then
Seller shall pay Sierra for liquidated damages the sum of $1,000,000 adjusted as
described below. Liquidated damages shall be a lump sum one time payment in 1992
dollars and shall be subject to adjustment yearly commencing November, 1992 at
the same percentage rate as the preliminary value for The Gross National Product
Deflator ("GNPD") increase as reported in the Joint Economic Committee Report
published by the United States Department of Commerce, Bureau of Economic
Analysis. Such adjusted amount shall be determined by multiplying $1,000,000
times the fraction (rounded to six decimal places) formed by the GNPD for the
previous calendar year published prior to the month for which payment is billed
(numerator) divided by the GNPD for the calendar year ending November 1992
(denominator). In the event GNPD is rebased, GNPD for the calendar year ending
November 1992 shall be recalculated subject to the new rebased value. The amount
of the liquidated damage will be billed by Sierra as soon as reasonably
practicable after the determination of the three year rolling average and shall
be due from Seller within thirty (30) days of such billing.

      Upon billing by Sierra for the liquidated damages, Exhibit B shall be
revised to reflect the three year rolling average by replacing each of the
Exhibit B Peak Period Capacity values with the average Peak Period Capacity
value for that billing period in the three year period described above. Said
average Peak Period

                                  Page 7                        1/11/91

Capacity value shall be calculated by adding the Peak Period Capacity value
for that billing period in each of the previous three years and dividing by 3.
Sierra shall prepare a revised Exhibit B to incorporate such revised Peak Period
Capacity values and such revised values shall be effective the first billing
period after the last billing period included in the three year rolling
average. The capacity rate will revert back to the amount specified in Exhibit D
effective with the revised Exhibit B. At the end of each Contract Year
thereafter, Sierra shall calculate the three year rolling average of the Peak
Period Capacity for the three immediately preceding Contract Years. Such three
year rolling average shall be the sum of the billing period Peak Period Capacity
values for each of the thirty-six (36) months divided by thirty-six (36). If
such three year rolling average is greater than or equal to 95% of the Average
Peak Period Capacity value specified in Exhibit B, then the capacity rate to be
paid pursuant to Section 8 for the ensuing Contract Year shall be at the amount
specified in Exhibit D. If such three year rolling average is less than 95% of
the average Peak Period Capacity value specified in Exhibit B, then the
capacity rate to be paid pursuant to Section 8 for the ensuring Contract Year
shall be reduced one percent (1%) for each one percent (1%) or portion thereof
that such average is below 100% of the Average Peak Period Capacity Value
specified in Exhibit B; provided, however, that during the last fifteen (15)
Contract Years of the Term of this Agreement, the reduction in the capacity rate
shall be 1.3% for each one percent (1%) or portion thereof that the three year
rolling average is below 100% of the Average Peak Period Capacity Value
specified in Exhibit B. Example of such calculations is included in Exhibit Q,
Sample Liquidated Damage Calculation.

      (c) The Parties agree that Sierra will be substantially damaged in amounts
that will be difficult or impossible to accurately quantify if the Seller's
Project does not maintain a Peak Period Capacity value at or above 85% of the
Peak

                                  Page 8                        1/11/91

Period Capacity values specified in Exhibit B. Therefore, as described above,
the Parties have specified a sum which the Parties agree is reasonable as
liquidated damages for such occurrence. It is further understood and agreed
that the payment of the liquidated damages is in lieu of actual damages for such
occurrence. Seller hereby waives any defense as to the validity of any
liquidated damages provision in this Agreement. To the extent that Sierra seeks
a remedy pursuant to this Section 6, it shall not be entitled to any other
remedy pursuant to a claim of breach of contract based solely on this Section 6.

7. Determination of Commercial Operation Date.

      (a) Seller shall demonstrate the Project capability during a shakedown
period of sustained operation prior to declaring the Project commercially
operable. The shakedown period of sustained operation shall be thirty (30)
continuous days during which period the plant shall generate for a minimum of
500 hours. The average generation net output level during the 500 hours shall be
at least 67% of the Peak Period Capacity value shown in Exhibit B corresponding
to the billing period the shakedown test is completed, provided that, if the 500
hours span two (2) billing periods, the Peak Period Capacity value shall be the
weighted average of the two billing periods values based upon the proportion of
test hours in each billing period. Sierra shall review recorded data to verify
completion of the shakedown test.

      (b) As soon as possible after successful completion of the shakedown test,
Seller shall provide Sierra verbally and subsequently in writing pursuant to
Section 24 a statement by independent qualified professionals that the Project
capability demonstration has been completed and all major equipment associated
with the Project is installed and operational and capable of producing energy
and capacity at the monthly values noted in Exhibit B for the full Term of

                                  Page 9                        1/11/91

this Agreement under normal operating conditions assuming manufacturer's
recommended maintenance procedures are followed.

      (c) (1) Coincident with or subsequent to Sierra's review of the data
      described in Section 7(a) above, Seller may begin the test period for
      determination of the Commercial Operation Date. Said test period shall
      consist of 100 hours of continuous operation, designated by Seller, and
      delivery of capacity and energy by the Project to Sierra during the same
      100 hours. As soon as possible but not less than seven (7) days after the
      completion of the test period of 100 hours, Seller shall notify Sierra
      verbally that the test is complete, and specify the beginning and ending
      hour of said 100 hour test period. Seller shall submit such notification
      in writing to Sierra within seven (7) days of the verbal notification
      pursuant to Section 24.

      (2) Sierra will determine the average of the 25 maximum on-peak and
      mid-peak hours of Adjusted Net Metered Output during the test period (the
      "Qualifying Average"), regardless of whether said 25 hours are continuous.

      (3) If the Qualifying Average does not equal or exceed 90% of the Peak
      Period Capacity value shown in Exhibit B corresponding to the billing
      period in which the 100 hour test is completed, the Project shall not be
      declared commercially operable for establishment of a Commercial Operation
      Date; provided that, if the 100 hour test spans two (2) billing periods,
      the Peak Period Capacity value shall be the weighted average of the two
      billing period values based upon the proportion of test hours in each
      billing period.

      (4) If the Qualifying Average equals or exceeds 90% of the Peak Period
      Capacity value shown in Exhibit B corresponding to the billing period in

                                  Page 10                       1/11/91

      which the 100 hour test is completed, the Project shall be declared
      commercially operable at the end of the one-hundredth hour of the test for
      establishment of a Commercial Operation Date; provided that, if the 100
      hour test spans two (2) billing periods, the Peak Period Capacity value
      shall be the weighted average of the two billing period values based upon
      the proportion of test hours in each billing period.

8. Rate.

      (a) Net Metered Output quantities shall be reduced to reflect the
additional system transmission losses, if any, that are determined to be
applicable to Seller's Project. The amount of the reduction shall be determined
in the interconnection study to be performed by Sierra for this Project. All
payments under this Section shall be based upon such Adjusted Net Metered Output
quantities.

      (b) Sierra shall pay Seller for the Adjusted Net Metered Output of
Seller's Project produced between the effective date of this Agreement and 2400
hours on the Commercial Operation Date pursuant to Exhibit C, Schedule CSPP.

      (c) If the Commercial Operation Date of the Project is on or before 2400
hours on November 1, 1992, then Sierra shall pay Seller, during the period
commencing on the Commercial Operation Date and continuing for the Term, for all
Adjusted Net Metered Output purchased from Seller's Project pursuant to the
applicable provisions set forth in Exhibit D adjusted pursuant to Section 6(b).

9. Project Schedule.

      (a) Seller shall complete each Project milestone specified in Exhibit O,
Milestones Schedule, on or before 2400 hours on the date specified for each
milestone listed in Exhibit O and shall provide Sierra in writing pursuant to

                                  Page 11                       1/11/91

Section 24 with acceptable documentation as specified in Exhibit O certifying
such milestone completion within ten (10) days of such completion.

      (b) Seller shall provide Sierra with the following data: hot water in
pounds per hour, temperature in degrees Fahrenheit at the turbine inlet valve
necessary to operate the plant at the average peak period capacity values in
Exhibit B. Data shall be provided to Sierra upon execution of this Agreement by
Seller. Sierra shall hold this information confidential to the extent such
information is designated as such by the Seller. Subject to Sierra's review and
acceptance, Seller may change this data no later than concurrent to completion
of Item 3 in Exhibit O. This information will be used as a baseline and
monitoring tool for items 3 and 8 in Exhibit O.

      (c) Sierra shall acknowledge receipt of the documentation provided under
Section 9(a) and 9(b) and shall provide Seller with written acceptance or
denial of the milestone completion within ten (10) days of receipt of the
documentation. If any milestone is not completed by 2400 hours on the date
specified, this Agreement may be terminated by Sierra effective 2400 hours on
the specified milestone date. Sierra's decision to terminate the Agreement in
the event Seller fails to meet any of the milestones specified in this section
shall be based on Sierra's reasonable review of the status of the Project at
that time and the Project's ability to meet all other milestone dates. Sierra
shall provide to Seller written notice pursuant to Section 24 of such
termination.

10. Metering. Seller's Adjusted Net Metered Output shall be determined by meters
installed at or compensated to the Point of Delivery and adjusted for
appropriate system transmission losses pursuant to Section 8(a). The metered
quantities shall be the gross Project output less Station Use. All meters will
be sealed, operated, and tested in accordance with Sierra's Electric Rules No.
16 and No. 17, Exhibits G and H, respectively.

                                  Page 12                       1/11/91

11. Guarantees.

      (a) Upon signature of this Agreement by Seller, Seller shall provide to
Sierra an earnest money deposit of $180,000 based upon a fee of $15.00 per KW
and a capacity of 12,000 KW. The deposit may be in the form of cash, an
irrevocable letter of credit, or another form acceptable to Sierra. Such
deposit, if other than cash, shall list Sierra as beneficiary and provide Sierra
with clear first rights to the deposit in the event of a default as noted below
in Section 11(b).

      (b) In the event Seller does not complete a milestone in accordance with
Section 9 of this Agreement, withdraws the Project, cancels the Project for any
reason including Force Majeure, or does not achieve a Commercial Operation Date
pursuant to Section 7 on or before 2400 hours on November 1, 1992, Seller shall
forfeit the $180,000 deposit to Sierra.

      (c) Sierra will refund the deposit to Seller when the Project establishes
a Commercial Operation Date in accordance with Section 7.

12. Seller's Purchase of Capacity and Energy.

      (a) Subject to Sierra's transmission capacity limitations, Sierra agrees
to provide electric capacity and energy to meet Seller's Station Use at times
when Seller's Project generation output is less than the Project Station Use.
Such service shall be provided pursuant to the applicable rate schedule
contained in Exhibit I, Schedule FSS, which is applicable to the backup/standby
service that is being provided to Seller under this Agreement. Such sale shall
be subject to the provisions of Exhibit J, Rule No. 2, Description of Service.

      (b) Seller agrees to limit the starting inrush electric current of its
generators and motors so as not to cause more than a four (4) percent voltage
dip on Sierra's transmission system to which Seller's Project is interconnected.

                                  Page 13                       1/11/91

13. Payment.

      (a) Firm Capacity and Firm Energy sold by Seller to Sierra pursuant to
Section 6 shall be determined by meters installed at or compensated to the Point
of Delivery. Such meters shall be read by Sierra during a billing period as
defined in Exhibit D and such metered amounts shall be used by Sierra to
calculate the payment to Seller pursuant to Section 8. Example of such
calculations is included in Exhibit E, Sample Billing Calculation. Within thirty
(30) days of receipt of such meter readings, Sierra shall deliver payment for
such Firm Capacity and Firm Energy to Seller at the address provided in
Section 24.

      (b) Electricity supplied by Sierra to Seller pursuant to Section 12 shall
be paid for by Seller upon receipt of billing from Sierra, pursuant to Exhibit
I. Should Seller fail to pay statement(s) from Sierra in full pursuant to
Exhibit I, Sierra may offset future payments to Seller under this Agreement by
such unpaid amounts.

      (c) Any other payments required to be made to Sierra under this Agreement
shall be made by Seller within thirty (30) days of receipt of an invoice from
Sierra requesting said payment. Should Seller fail to pay the amount of such
invoice, Sierra may offset future payments to Seller hereunder by such unpaid
amounts.

      (d) After billings or payments made by Sierra to Seller pursuant to this
Section, Seller may request in writing from Sierra, within 30 days of such
billings or payments, copies of the original data and calculations upon which
payments made by Sierra to Seller, or payments requested by Seller to Sierra are
based, including, without limitation, calculations made under Section 6 and
Schedule D.

                                  Page 14                       1/11/91

14. Maintenance.

      (a) By April 1 of each calendar year, but no later than six (6) months
prior to beginning any proposed scheduled maintenance. Seller shall provide
Sierra with a list of proposed Scheduled Maintenance Periods for the following
24 month period. This list shall be subject to Sierra's review and acceptance.
Review and acceptance of the proposed maintenance schedule shall be completed
promptly but in no event longer than sixty (60) days after receipt by Sierra.
Such acceptance shall not be unreasonably withheld. The Parties shall coordinate
such maintenance in order to minimize the impact on the Parties' systems. Sierra
shall provide Seller with a list of scheduled maintenance periods on equipment
that will impact the delivery of capacity and energy from Seller's Project as
soon as reasonably practicable.

      (b) In the event the Project must be shut down for unscheduled
maintenance, Seller shall notify Sierra as soon as practicable of the necessity
of such shutdown, the time when such shutdown has occurred, or will occur, and
the anticipated duration of the shutdown. Seller shall take all reasonable
measures and exercise reasonable efforts to avoid unscheduled maintenance and to
limit the duration of the shutdown.

      (c) An operating procedures document prepared by Sierra which details the
operation procedures to be followed by the Project operators and Sierra's
dispatchers shall be executed by the Parties prior to delivery of capacity and
energy from the Project.

15. Continuity of Deliveries and Economic Dispatch.

      (a) Subject to Prudent Electrical Practices, Sierra may require Seller to
curtail, interrupt, or reduce deliveries of Adjusted Net Metered Output, in
order for Sierra to construct, install, maintain, repair, replace, remove,
investigate, or inspect any of Sierra's equipment or any part of its system, or
if Sierra

                                  Page 15                       1/11/91

determines that curtailment, interruption, or reduction is necessary because of
emergencies or operating conditions on its system, other than economic dispatch
which is described in Section 15(b) below. Sierra may require that Seller reduce
its generation on any hour that Sierra would otherwise be required to operate
Sierra's plants below a minimum operational level. In such circumstances, Sierra
shall not be obligated to accept deliveries of, or pay Seller for, Adjusted Net
Metered Output that otherwise would have been delivered during such period of
curtailment, interruption, or reduction. Sierra shall use reasonable efforts to
resume acceptance as soon as is reasonably practicable.

      (b) Sierra shall have the right to economically dispatch the Project for a
maximum of 11,140,000 kilowatt hours of Adjusted Net Metered Output each
Contract Year. Such economic dispatch capability shall be exercised by verbal
notice to Seller from Sierra by 1000 hours on the day preceding the day on which
the Project will be economically dispatched. Such notice shall include the hours
and the reduced energy price for such hours. Seller shall have the option of
accepting the reduced energy payment as specified by Sierra at the time of such
notice for continued deliveries of capacity and energy, or discontinuing
delivery of capacity and energy for the period described in Sierra's notice.
Seller shall notify Sierra verbally by 1100 hours of the option Seller has
selected.

      For any month in which Sierra exercises its economic dispatch rights for
energy under this subsection, Sierra shall provide Seller an accounting of the
reduced energy price contained in the verbal notice by Sierra to Seller. Such
accounting shall be included in the following month's payment to Seller as
provided in Section 13.

16. Project Design, Construction and Operation.

      (a) Seller shall, at Seller's expense, design, construct, install,
operate, and maintain Seller's Project. Seller accepts that it is designing a
Project to be

                                  Page 16                       1/11/91

integrated into a utility delivery system, and that it is designing a Project
and Interconnection Equipment to be compatible with the operational standards of
reliability and availability of Sierra's system. Specific Project requirements
as noted in the interconnection study to be conducted by Sierra shall be
incorporated into the design of the Project. Seller shall provide Sierra with
those specifications, drawings, and electrical data concerning the Project
necessary to allow Sierra to make stability and protection studies. All
specifications and changes in specifications, including new or additional
equipment, shall be subject to Sierra's review and acceptance. Such review and
acceptance shall be completed promptly but in no event longer than sixty (60)
days after receipt by Sierra and shall be for the sole purpose of insuring that
Seller's Project is compatible with Sierra's system. Such acceptance shall not
be unreasonably withheld. Sierra's acceptance of Seller's specifications,
drawings, and electrical data shall not be construed as confirming nor endorsing
the design, nor as a warranty of safety, durability, or reliability of the
Project. Sierra shall not, by reason of any review, acceptance, or failure to
review, be responsible for the Project, including but not limited to the
strength, details of design, adequacy or capacity thereof, nor shall Sierra's
acceptance be deemed to be an endorsement of the Project.

      (b) The design and construction of the Project shall be Seller's
responsibility, and Seller shall ensure that the requirements of all applicable
federal, state, and local laws, and all regulations promulgated by such laws are
met. Prior to commencement of generation, and upon completion of any major
changes, Seller at Seller's expense, shall arrange for the Project to be
inspected and approved by appropriate federal, state, and local officials to the
extent required by applicable law.

                                  Page 17                       1/11/91

      (c) Once Seller's and Sierra's electrical facilities are connected, both
Parties will operate their respective facilities in accordance with Exhibit K,
Rule No. 15, Exhibit L, Sierra's Specification 2.2 GN02, and revisions and
replacements thereto, Exhibit M, the Facility Wiring Diagram and Specifications
and Exhibit N, Final Interconnect Drawing agreed upon by the Parties to this
Agreement. The Parties acknowledge that with operating experience adjustment of
the operating requirements may be necessary.

      (d) Sierra's obligation to interconnect Seller's Project is contingent
upon the approval of plans and specifications described in Section 17 below.
Such approval shall not be unreasonably withheld.

      (e) Seller shall be responsible for the operation, maintenance, and
refurbishment of the Project to insure continued delivery of Firm Energy and
Firm Capacity pursuant to Section 6(a). Refurbishment shall include, but not be
limited to the drilling of additional wells and the installation of replacement
or additional generating equipment. Sierra shall have the right to review any
proposed refurbishments, modifications or installations made by Seller and
witness all such refurbishments, modifications or installations and any formal
well tests on production, injection, and slim hole wells performed by Seller.
Sierra shall hold this information confidential to the extent such information
is designated as such by the Seller. Seller shall provide Sierra with thirty
(30) days prior notice of its intent to perform any refurbishments,
modifications, installations, or formal well tests or in the event of unplanned
maintenance such notice shall be given as soon as reasonably practicable.

      (f) Seller warrants that the Project will be operated in a manner which
will not reduce or interfere in any way with the extent or availability of
geothermal fluid to operate the projects that are the subject of the Long Term

                                  Page 18                       1/11/91

Agreements dated November 18, 1983 and October 29, 1988, and subsequent
amendments, between Far West Capital, Inc. and Sierra.

      Should Seller elect to construct an additional geothermal facility or
facilities utilizing the same resource used by the Project, Seller warrants that
the additional facility or facilities will be operated in a manner which will
not reduce or interfere in any way with the extent or availability of geothermal
fluid to operate the Project in accordance with this Agreement.

      (g) Seller shall make available to Sierra during the construction period
of the Project all pertinent information in connection with Seller's hot water
supply in the Steamboat Springs area, including but not limited to, drilling
data, test and well performance information and any reports pertaining to the
reservoir. Sierra and Seller shall conduct meetings as necessary to review this
data. Sierra shall hold this information confidential to the extent such
information is designated as such by the Seller.

      (h) Commencing with the Commercial Operation Date, Seller shall provide to
Sierra on January 1 and July 1 of each year for the Term of this Agreement, a
Semi-annual Project Report which shall include, but not be limited to, the
information described in Exhibit P. In February of each year for the Term of the
Agreement, Seller and Sierra shall meet to conduct an annual review of plant and
resource performance. Additional data and meetings shall be required as
necessitated by project performance. Sierra shall hold all such information
confidential to the extent such information is designated as such by the Seller.

17. Interconnection.

      (a) Seller shall install all Seller's Interconnection Equipment. Seller's
Interconnection Equipment shall be of utility grade and of a rating sufficient
to

                                  Page 19                       1/11/91

accommodate the delivery of the generation under this Agreement. Seller shall
allow Sierra to review the adequacy of all protective devices and to establish
requirements for settings and periodic testing; provided, however, that neither
such action or inaction by Sierra shall be construed as warranting the safety or
adequacy of Seller's Interconnection Equipment. Seller shall not make any
modification to Seller's Interconnection Equipment which substantially affects
the delivery of electricity without advance written notification to Sierra and
ultimate acceptance of each change by Sierra. Such review shall be done promptly
but in any event no longer than sixty (60) days from Sierra's receipt of all
information necessary for such review. Such acceptance shall not be unreasonably
withheld. All such equipment installed hereunder shall conform with the National
Electrical Code. Seller shall reimburse Sierra for Sierra's costs associated
with initial and periodic testing of Seller's Interconnection Equipment.

      (b) Connection of Seller's Interconnection Equipment to Sierra's system
shall be by or under the direction of Sierra at Seller's expense. Sierra shall
schedule and complete the final interconnection and testing of the
interconnection facilities pursuant to a Special Facilities Agreement.

      (c) In the event that it is necessary for Sierra to install any facilities
and equipment on Sierra's system or to reinforce Sierra's system to accommodate
Seller's deliveries, Seller shall reimburse Sierra for all of Sierra's costs
associated therewith, in accordance with the provisions of a Special Facilities
Agreement. Not less often than annually, Seller shall also reimburse Sierra
pursuant to Section 13 above, for all of Sierra's operation and maintenance
costs as determined by Sierra, resulting from Sierra's installation of
facilities and equipment under a Special Facilities Agreement. In addition,
Seller shall pay for the cost of the replacement of any such facilities during
the

                                  Page 20                       1/11/91

Term of this Agreement. Sierra shall use reasonable efforts to minimize such
costs.

18. Conditions. The obligation of Sierra to accept delivery of or purchase
capacity and energy under this Agreement is conditioned upon receipt of copies
of the following documents by Sierra prior to the initial delivery of Adjusted
Net Metered Output.

      (a) Evidence of the qualification of Seller's Project as a cogeneration or
small power production facility pursuant to PURPA and the regulations
promulgated pursuant to said Act; and

      (b) Evidence of application for and receipt by Seller of any permits or
other approvals required by Chapter 704 of the Nevada Revised Statutes; and

      (c) A statement by independent qualified professionals sufficient to
establish that Seller's Project has geothermal resource supply capable of
producing energy and capacity at the monthly values noted in Exhibit B for the
full Term of this Agreement and a statement by independent qualified
professionals sufficient to establish that Seller's Project has generation
equipment capable of producing energy and capacity at the monthly values noted
in Exhibit B for the fall Term of this Agreement under normal operating
conditions assuming manufacturers recommended maintenance procedures are
followed; and

      (d) Plans and specifications for Seller's Project and Interconnection
Equipment which are acceptable to Sierra, as set forth in Sections 16 and 17
above; and

      (e) Evidence that Seller has made all filings necessary to qualify to do
business in the State of Nevada.

19. Liability and Indemnification. Each Party shall indemnify and hold harmless
the other Party against and from any and all loss and liability for

                                  Page 21                       1/11/91

personal injury, bodily injury or property damage claimed by any person or party
and resulting from or arising out of (1) the engineering, design, construction,
maintenance, or operation of the indemnitor's facilities, (2) the making of
replacements, additions, or betterments to, the indemnitor's facilities, or (3)
the manner in which Seller uses the Project's geothermal resource supply or the
facilities which interconnect Seller's Project with Sierra's electrical system.
Neither Party shall be indemnified for liability or loss to the extent such
liability or loss results from, or is contributed to by, that Party's negligence
or willful misconduct. The indemnitor shall, on the other Party's request,
defend any suit asserting a claim covered by this indemnity, and shall pay all
costs, including reasonable attorney fees, that may be incurred by the other
Party in enforcing this indemnify.

20. Insurance.

      (a) Prior to commencement of construction of the Project, Seller and/or
its contractor(s) shall maintain worker's compensation or self-insurance which
satisfies the applicable requirements of Nevada law. Seller shall provide Sierra
with a certificate(s) evidencing such insurance prior to commencement of
construction of the Project.

      (b) Prior to connection of the Project to Sierra's system, Seller shall
secure and continuously carry for the Term hereof, with an insurance company
or companies acceptable to Sierra, insurance policies for bodily injury and
property damage liability. Such acceptance shall not be unreasonably withheld.
Such insurance shall include: provisions or endorsements naming Sierra as
additional insured as its interest may appear; provisions that such insurance is
primary insurance with respect to the interest of Sierra and that any insurance
maintained by Sierra is excess and not contributory insurance with the insurance
required hereunder; cross-liability or severability of

                                  Page 22                       1/11/91

insurance interest clause; and provisions that such policies shall not be
cancelled or their limits of liability reduced without thirty (30) days prior
written notice to Sierra. Initial limits of liability for all requirements under
this section shall be not less than $2,000,000 for each occurrence.

      (c) Seller shall provide Sierra with a copy of each insurance policy
required under this section, certified as a true copy by an authorized
representative of the issuing insurance company or, at the discretion of Sierra,
in lieu thereof, a certificate in a form satisfactory to Sierra certifying to
the issuance of such insurance. Seller shall submit such documents at the
address listed in Section 24 prior to connection of the Project to Sierra's
system and at all other times as such insurance policies are renewed or changed.

      (d) If Seller has not obtained such insurance or maintained the status of
such insurance, Seller shall not deliver capacity and energy to Sierra, and
Sierra shall have no obligation to accept any tenders of delivery until
appropriate insurance is obtained or reinstated. Sierra's obligation to purchase
shall be reinstated only upon receipt of certificates of insurance showing that
such insurance has, in fact, been obtained or reinstated.

21. Permits, Licenses, and Authorizations. It shall be Seller's responsibility
to obtain any and all state, federal, and local permits, licenses, or other
documents necessary for the construction and operation of Seller's Project and
the sale of energy and capacity therefrom to Sierra. If Seller has not obtained
such documents as are material and necessary for the operation of the Project or
maintained the status and approvals they represent, Seller shall not deliver
capacity and energy to Sierra and Sierra shall have no obligation to accept any
tenders of delivery until the appropriate documents are obtained or reinstated.
Sierra's obligation to purchase shall be reinstated only upon receipt of proof
that such documents have, in fact, been obtained or reinstated.

                                  Page 23                       1/11/91

22. Option to Purchase.

      Seller has leases or optioned property within the Steamboat Springs Known
Geothermal Resource Area which Seller believes have geothermal resources capable
of supporting at least 24 MW of power generation in excess of the 12 MW covered
by this Agreement and for the sum of $10.00, receipt of which is hereby
acknowledged by Seller, Seller hereby grants an option to Sierra to purchase the
presently unsold 24 MW capacity or any 12 MW increment thereof. This option is
subject to the following conditions:

      a. If any portion of the capacity subject to this option is the subject of
a purchase agreement, letter of intent, or otherwise has been committed for sale
to another purchaser prior to Sierra's exercise of its option, then this option
will have lapsed and will be null and void with respect to such capacity amount.
Seller shall provide notice to Sierra in the event of each such commitment
within 30 days of each such commitment. Such notice shall include a statement of
the remaining capacity qualifying under this section.

      b. The option must be exercised by giving notice in writing to Seller on
or before May 1, 1994. Such notice ("Option Notice") shall be issued at least 19
months prior to the expected Commercial Operation Date of that project.

      c. The price to be paid for electricity sold to Sierra pursuant to this
option and the pricing escalation shall be the same as the price provided for
electricity sold under this Agreement; provided, that for every 12 month period
or portion thereof which expires prior to the exercise of this option after June
1, 1991, an escalation of 5.00% per year prorated for any portion thereof shall
be applied to the energy rate and the GNPD price deflator prorated for any
portion thereof for the previous year shall be applied to the capacity rate.

      d. Seller shall notify Sierra as soon as reasonably practicable in the
event sufficient geothermal resource is not available for Seller to supply the

                                  Page 24                       1/11/91

capacity subject to this option. Such notice shall include a statement of the
remaining capacity which can be supplied by the geothermal resource.

      If, upon Sierra's Option Notice, Seller determines that the economics of a
project required to supply the capacity in the option is no longer feasible,
Seller shall supply Sierra with a notice to that effect within thirty (30) days
of the date of Sierra's Option Notice.

      e. The Parties shall execute a long term power purchase agreement for the
capacity and associated energy upon which the option is exercised, which
agreement shall include the same terms and conditions as included in this
Agreement. Such execution shall occur within sixty (60) days of the date Sierra
exercises its option in writing.

23. Right of First Offer.

      (a) On and after June 1, 1992, Sierra shall have an exclusive right of
first offer to purchase any Transfer Interest (as hereinafter defined) on the
terms and conditions set forth herein. If Seller or any of its subsidiaries,
affiliates or other related entities ever desire to dispose of its or their
rights, title, or interest in the Project other than by a sale and leaseback of
Project or any part thereof (hereinafter referred to as a "Transfer Interest")
for financing, or if Seller receives a bona fide offer for purchase, lease or
other disposition of the Project, or any part of Seller's interest therein
(hereinafter also referred to as a "Transfer Interest"), which offer Seller is
prepared to accept, it shall give notice thereof in writing to Sierra (the
"Notice"). The Notice shall specify the terms under which Seller is prepared to
dispose of the Transfer Interest, including the purchase price of the Transfer
Interest, or include a copy of the acceptable offer received by Seller, as the
case may be. Sierra may request any information concerning the Project that it
considers necessary in evaluating its intent to accept such a first offer to
purchase.

                                  Page 25                       1/11/91

      (b) For a period of sixty (60) days after receipt by Sierra of the Notice,
Sierra shall have the right to exercise its right of first offer with respect to
the Transfer Interest by giving written notice thereof to Seller. In the event
that Seller and Sierra are unable to arrive at an agreeable price for the
Transfer Interest, Sierra shall submit its best offer for said Transfer Interest
to Seller and thereafter, Seller shall not sell said Transfer Interest for
substantially different terms or at a lower price than those offered by Sierra
without providing Sierra with notice in accordance with Section 23(a).

      (c) In the event Sierra elects not to exercise its right of first offer
pursuant to the foregoing provisions and a sale or lease of the Transfer
Interest is not fully consummated, in accordance with the terms and conditions
set forth in the Notice, within one year from the date Sierra receives the
Notice, Seller agrees that Sierra's right of first offer to purchase or lease
the Project, or any part thereof, shall be reinstated in accordance with the
provisions of Section 23(a). Any sale of any Transfer Interest shall not
extinguish Sierra's right of first offer with respect to any portion of the
Project or the Seller's interest in the Project as the case may be, not
transferred pursuant to such sale or lease. Sierra's right of first offer shall
continue to apply to any future sale of any Transfer Interest. Any lease of any
Transfer Interest shall not extinguish Sierra's right of first refusal with
respect to any extensions of such lease or with respect to any other leases,
sales or other dispositions of any Transfer Interest.

24. Notices. Whenever in this Agreement it shall be required, permitted, or
desired that notice or demand be given by either Party to or on the other, such
notice or demand shall be in writing and may be either personally served or sent
by United States mail and shall be deemed to have been given when personally
served, when deposited in the United States mail, certified or registered, with
postage prepaid and properly addressed or when transmitted by facsimile;

                                  Page 26                       1/11/91

provided, however, notices delivered by facsimile shall only be effective if
delivered on a day that is considered a regular business day by both Parties.
For the purpose hereof, the address of the Parties hereto, until notice of a
change thereof is given as provided in this paragraph, shall be as follows:

    SIERRA:

    Sierra Pacific Power Company
    Power and Fuel Contracts Manager
    6100 Neil Road, Reno, NV 89511
    P.O. Box 10100
    Reno, NV 89520
    Phone: (702) 689-4889
    Telecopy: (702)689-4659

    SELLER:

    Far West Capital, Inc.
    921 Executive Park Drive
    Suite B
    Salt Lake City, UT 84117
    Telephone: (801) 268-4444
    Telecopy:(801) 266-5155

25. Force Majeure.

      (a) The term Force Majeure as used herein means acts of God, labor
disputes, and sudden actions of the elements. Unless caused by an independent
identifiable event of Force Majeure, the non-availability of geothermal resource
supply to generate capacity and energy from the Project shall not be considered
an event of Force Majeure.

      (b) If either Party, because of Force Majeure, is rendered wholly or
partly unable to perform its obligations under this Agreement, that Party shall

                                  Page 27                       1/11/91

be excused from whatever performance is affected by the Force Majeure to the
extent so affected, provided that:

            (1) The Party claiming Force Majeure promptly gives the other Party
      oral notice, followed by written confirmation describing the particulars
      of the occurrence.

            (2) The suspension of performance is of no greater scope and of no
      longer duration than is required by the Force Majeure.

            (3) The nonperforming Party uses its best efforts to remedy its
      inability to perform. This subsection shall not require settlement of any
      strike, walkout, lockout, or other labor dispute on terms which in the
      sole judgment of the Party involved in the dispute, are contrary to its
      interest. It is understood and agreed that settlement of strikes,
      walkouts, lockouts, or other disputes shall be at the sole discretion of
      the Party having the difficulty.

            (4) When the nonperforming Party is able to resume performance of
      its obligation under this Agreement, that Party shall give the other Party
      written notice to that effect.

26. Successors in Interest. This Agreement shall be binding on both Parties, and
on their heirs, successors in interest, and permitted assigns except as
provided in Section 28 below.

27. Assignment. Subject to Section 28 below, neither Party shall voluntarily
assign this Agreement without the prior written consent of the other Party.
Such consent shall not be unreasonably delayed or withheld. Any assignment made
without such consent shall be void.

28. Collateral Assignments. Either Party shall have the right, without the other
Party's consent, but with a thirty (30) day prior written notice to the other
Party, to make a collateral assignment of its rights under this Agreement to
satisfy the

                                  Page 28                       1/11/91

requirements of any development, construction, or other long-term financing or
refinancing.

      A collateral assignment as described above shall not constitute a
delegation of Seller's obligations under this Agreement, and this Agreement
shall not bind the collateral assignee. Any collateral assignee succeeding to
any portion of the ownership interest of Seller in the Project shall be
considered Seller's successor in interest and shall thereafter be bound by this
Agreement.

      Such assignment shall not increase Sierra's obligations nor decrease
Sierra's rights hereunder.

29. Entire Agreement. This document constitutes the entire agreement of the
Parties and supersedes all previous agreements whether written or oral. This
Agreement may be amended only by an instrument in writing signed by both Parties
hereto.

30. Governing Law. This Agreement shall be interpreted, governed by and
construed according to the laws of the State of Nevada, as if executed and to be
performed wholly within the State of Nevada. Any litigation by the Parties as to
this Agreement shall be in a court of competent jurisdiction in the State of
Nevada.

31. PSCN Approval

      (a) Sierra's obligation to purchase and Seller's obligation to supply
capacity and energy pursuant to this Agreement are expressly conditional upon
approval of this Agreement by the PSCN. Sierra shall, prior to January 31, 1991,
file this Agreement for approval with the PSCN as part of an amended resource
plan. Sierra and Seller shall use best efforts in obtaining approval by the
PSCN. PSCN approval shall not be considered to have occurred for purposes of
this Agreement unless 1) such approval is issued on or before May 15, 1991, 2)
the approved amended resource plan includes purchases of Firm Capacity and

                                  Page 29                       1/11/91

Firm Energy pursuant to this Agreement, 3) the PSCN approves this Agreement in
its totality and without change, and 4) the PSCN issues a specific finding and
order that Sierra acted in a reasonable and prudent manner in executing this
Agreement.

      (b) If such PSCN approval does not occur, Sierra shall have the right to
terminate this Agreement by providing Seller written notice of Sierra's intent
to terminate this Agreement prior to May 30, 1991. Such notice shall be given
pursuant to Section 24.

      (c) If Sierra does not provide Seller written notice as described in
subsection (b) above of Sierra's intent to terminate this Agreement, this
Agreement shall be deemed to be in full force and effect.

32. Dispute Resolution. In the event that a dispute should arise between Sierra
and Seller concerning the terms and enforcement of this Agreement, the Parties
agree to resolve their dispute by means of binding arbitration conducted in
Reno, Nevada, under the commercial arbitration rules and procedures of the
American Arbitration Association. The Parties shall first endeavor to select a
single arbitrator who, by reason of his/her education and experience, is
mutually acceptable to both Parties. If the Parties are unable to agree upon a
single arbitrator, they shall each choose one (1) arbitrator, and the two
arbitrators thus selected shall choose a third arbitrator to form a three-member
panel to hear and resolve the dispute. In preparing their cases for presentation
to the arbitrator(s), the Parties shall have the same rights of discovery
afforded to litigants under the Nevada Rules of Civil Procedure and the local
rules of the Second Judicial District Court of Washoe County, Nevada.

33. Multiple Originals. Two (2) copies of this Agreement have been executed by
the Parties. Each executed copy shall be deemed an original.

                                  Page 30                       1/11/91

to litigants under the Nevada Rules of Civil Procedure and the local rules of
the Second Judicial District Court of Washoe County, Nevada.

33. Multiple Originals. Two (2) copies of this Agreement have been executed by
the Parties. Each executed copy shall be deemed an original.

        IN WITNESS WHEREOF the Parties hereto have executed this Agreement on
this 24TH day JANUARY, 1991.

Sierra:                                       Seller:

SIERRA PACIFIC POWER COMPANY                  FAR WEST CAPITAL, INC.

By: /s/  Gerald Canning                       By: /s/ Alan O. Melchior
   ---------------------------                   ---------------------------

TITLE:  Vice President                        TITLE:  President
       Electric Operations

Date:   1/24/1991                             Date:   1/24/1991

        [STAMP]

                                  Page 31                       1/11/91

                                    EXHIBIT A

                              PROJECT UNIT LISTING

                       TO BE ATTACHED BY SEPTEMBER 1, 1991

                      SPECIFICATION FOR TURBINE GENERATORS

                                    EXHIBIT B
                                 CAPACITY TABLE
                                FAR WEST'S PROJECT

BILLING PERIOD                      PEAK PERIOD CAPACITY VALUE KW
--------------                      -----------------------------

JANUARY ........................................  13,400

FEBRUARY .......................................  13,350

MARCH ..........................................  13,170

APRIL ..........................................  13,050

MAY ............................................  12,830

JUNE ...........................................   9,950

JULY ...........................................   9,140

AUGUST .........................................   9,140

SEPTEMBER ......................................  10,140

OCTOBER ........................................  13,110

NOVEMBER .......................................  13,260

DECEMBER .......................................  13,460

AVERAGE OF THE PEAK PERIOD
CAPACITY VALUES, KW ............................  12,000

                                                                       Exhibit C
                                                                     PAGE 1 OF 3

SIERRA PACIFIC POWER COMPANY
6100 Neil Road, Reno, Nevada                  14th Revised  P.S.C.N. Sheet No. 2
Tariff No. Electric No. 2          Cancelling 13th Revised  P.S.C.N. Sheet No. 2

                                SCHEDULE NO. CSPP

                                SHORT-TERM RATES
                     COGENERATION AND SMALL POWER PRODUCTION

APPLICABILITY

      This schedule is applicable only to purchases from Qualifying Facilities
as defined in Utility's Nevada Electric Tariff No.1 Rule No. 15 under a
Short-Term Purchase Agreement with Utility and where no other schedules are
specifically applicable.

RATES

      Utility will pay the sum of the following rates for the enrgy and capacity
provided as determined by meter readings:

(1)   ENERGY RATE

a.    Time-differentiated:

                                                             1991
                                        --------------------------------------------------
                                        1st Quarter  2nd Quarter  3rd Quarter  4th Quarter
                                        01/01-03/31  04/01-06/30  07/01-09/30  10/01-12/31
                                        -----------  -----------  -----------  -----------

Winter
   All On-Peak kWh, per kWh              $0.02402     $0.01882        N/A       $0.02193
   Plus all Mid-Peak kWh, per kWh        $0.02378     $0.01876        N/A       $0.02190
   Plus all Off-Peak, kWh, per kWh       $0.02022     $0.01677        N/A       $0.01822

Summer
   All On-Peak kWh, per kWh                N/A        $0.01895      $0.01944       N/A
   Plus all Off-Peak, kWh, per kWh         N/A        $0.01669      $0.01784       N/A

b.    Non-time differentiated: (See Special Condition 3)

      All kWh, per kWh                   $0.02249     $0.01796      $0.01864    $0.02052

                                   (Continued)

Issued:     1/1/91
                                   Issued By:
Effective:  1/1/91              William L. Keepers
                                    President
Advice No.: 304-E

                                                                     EXHIBIT C
                                                                     PAGE 2 OF 3

SIERRA PACIFIC POWER COMPANY
6100 Neil Road, Reno, Nevada                  14th Revised  P.S.C.N. Sheet No. 3
Tariff No. Electric No. 2          Cancelling 13th Revised  P.S.C.N. Sheet No. 3

                                SCHEDULE NO. CSPP

                                SHORT-TERM RATES
                     COGENERATION AND SMALL POWER PRODUCTION
                                   (Continued)

RATES (Continued)

(2) CAPACITY RATE

a.    Time-differentiated:

                                                                1991
                                                              -------
Winter
   All On-Peak kWh, per kWh                                   $.00873
   Plus all Mid-Peak kWh, per kWh                             $.00782
   Plus all Off-Peak kWh, per kWh                             $.00461

Summer
   All On-Peak kWh, per kWh                                   $.00722
   Plus all Off-Peak, kWh, per kWh                            $.00468

b.    Non-time differentiated: (See Special Condition 3)

      All kWh, per kWh                                        $.00652

SPECIAL CONDITIONS

1.  The payment period for Utility purchases hereunder shall be the time
interval between two consecutive meter readings that are taken for billing
purposes.

2.  The Utility and the Qualifying Facility shall have executed a Short-Term
Purchase Agreement for the purchase and sale of capacity and energy.

3.  Qualifying Facilities having rated (nameplate) capacities of 100 kW or less
shall have the option to choose either flat or time-differentiated rates.
Qualifying Facilities have rated (nameplate) capacities in excess of 100 kW will
receive payments based on the time-differentiated rates only.

                                   (Continued)

Issued:     1/ 1/90
                                   Issued By:
Effective:  1/ 1/90            William L. Keepers
                                    President
Advice No.: 304-E

                                                                     EXHIBIT C
                                                                     PAGE 3 OF 3

SIERRA PACIFIC POWER COMPANY
6100 Neil Road, Reno, Nevada                   Original     P.S.C.N. Sheet No.
Tariff No. Electric No. 2          Cancelling               P.S.C.N. Sheet No.

                                SCHEDULE NO. CSPP

                                SHORT-TERM RATES
                     COGENERATION AND SMALL POWER PRODUCTION
                                   (Continued)

SPECIAL CONDITIONS, (Continued)

  4.  Daily time periods will be based on Pacific time and are defined as
follows:

Winter Period           On-Peak   5:01 p.m. to 10:00 p.m. daily
                       Mid-Peak   7:00 a.m. to  5:00 p.m. daily
                       Off-Peak   All other hours

Summer Period           On-Peak   10:01 a.m. to 10:00 p.m. daily
                       Off-Peak   All other hours

    The winter period will consist of eight months from October through May.
The summer period will consist of four months from June through September.

  5.  Qualifying Facilities providing energy to Utility hereunder shall be
entitled to receive electric service from Utility on the filed rates schedule(s)
contained in Utility's Nevada Electric Tariff No. 1 applicable to the type and
location of the Qualifying Facility.

  6.  All purchases made under this schedule are subject to the provision of
Rule No. 15 as contained in Utility's Nevada Electric Tariff No. 1.

Issued:     6/23/86
                                   Issued By:
Effective:  6/23/86             Austin W. Stedham
                                    President
Advice No.: 249-E
            (Revised)

                                                                Exhibit D
                                                                Payment Schedule
                                                                Page 1 of 3

1.    This payment schedule is applicable only to purchases of Firm Capacity and
      Firm Energy from Seller's Project described in this Agreement.

2.a.  Commencing on the Commercial Operation Date and continuing for the Term of
      this Agreement, Sierra will pay the sum of the following energy and
      capacity rates for the Firm Energy and Firm Capacity delivered as
      determined by the Adjusted Net Metered Output:

2.b.  Subject to the provisions in Sections 15(b) of the Agreement, the energy
      payment shall be the sum of the products of the appropriate energy rate
      and the corresponding period kWh Adjusted Net Metered Output.

      Energy payment = Sigma Periods (kWh delivered x Energy Rate)

$ PER KILOWATT-HOUR BASE ENERGY RATE

      $0.02425 per kilowatt hour

      If Seller has accepted a reduced rate for the sale of energy in accordance
      with Section 15(b) of the Agreement, then such reduced rate specified in
      the verbal notice shall be utilized in the calculation of payment for the
      Adjusted Net Metered Output delivered for the time period specified in the
      verbal notice.

2.c.  The capacity payment shall be as noted below and shall be subject to
      adjustment as noted in Section 2 of this Exhibit and Section 6(b) of the
      Agreement.

      Capacity Payment = Capacity Rate x Capacity Level

         Capacity Rate                      Effective Date
         -------------                      --------------
        $19.04/kW Month               Commercial Operation Date

        $14.00/kW Month               Fifteenth (15) Anniversary
                                      of Commercial Operation Date

                                                                Exhibit D
                                                                Payment Schedule
                                                                Page 2 of 3

      Capacity Level = the lesser of:

      (a)   The kWh generated during the Peak Period divided by the Peak Period
            hours or,

      (b)   The monthly on-peak capacity value noted in Exhibit B corresponding
            to the billing period.

3.    The Peak Period hours will be reduced by the cumulative monthly total of
      Peak Period hours associated with Sierra's requirement to curtail Adjusted
      Net Metered Output pursuant to Sections 15 (a) and 15 (b) of the
      Agreement. It shall be Seller's responsibility to maintain a log of the
      monthly and cumulative total of curtailment hours curtailed pursuant to
      subsection 15 (a) of the Agreement and notify Sierra monthly of such
      amounts.

4.    The billing period for Sierra purchases hereunder shall be the time
      interval between two consecutive meter readings that are taken for billing
      purposes.

5.    Daily time periods will be based on Pacific time and are defined as
      follows:

      Winter Period
      On-Peak   5:01 p.m. to 10:00 p.m. daily
      Mid-Peak  7:00 a.m. to 5:00 p.m. daily
      Off-Peak  All other hours

      Summer Period
      On-Peak   10:01 a.m. to 10:00 p.m. daily
      Off-Peak  All other hours

      The winter period will consist of eight (8) months from October through
      May. The summer period will consist of four (4) months from June through
      September.

                                                                Exhibit D
                                                                Payment Schedule
                                                                Page 3 of 3

      This table is excerpted from Electric Tariffs No. 2, PSCN Sheet No. 4,
      Schedule No. CSPP, and is subject to change in accord with the on-peak,
      mid-peak, and off-peak periods as described in Sierra's own rate schedules
      for the sale of electricity, as revised from time to time.

6.    The energy rate contained herein shall be adjusted on November 1 of each
      year starting on November 1, 1993 through and including the fourteenth
      anniversary of the Commercial Operation Date of the Project. The
      adjustment shall be calculated as follows:

                               R(n) = (1.0412) R(n-1)

      R =  the indexed rate
      n =  the November 1 through October 31 year in which the adjustment
           takes place

      On the fifteenth anniversary of the Commercial Operation Date of the
      Project and continuing for the Term, the adjustment shall be calculated as
      follows:

                               R(n) = (1.03) R(n-1)

      R =  the indexed rate
      n =  the November 1 through October 31 year in which the adjustment
           takes place

      The capacity rates will remain fixed at the level indicated in Section 1
      of this Exhibit, unless modified pursuant to Section 2 of this Exhibit.

                                                                       EXHIBIT E
                                                                     Page 1 of 3

                           SAMPLE BILLING CALCULATIONS

This example is for purposes of illustrating billing under the rate schedule
contained in this Agreement only, and does not supplement or amend the terms of
the Agreement to which it is attached.

1.    If the Project qualified for payment under Section 8 (c) of this
      Agreement, the following payment method is applicable:

      Assume :       a.  On-peak generation is 1,914,250 kWh.
                     b.  Mid-peak generation is 3,828,500 kWh.
                     c.  Off-peak generation is 3,536,325 kWh.
                     d.  Exhibit D energy rate is $.02425/kWh.
                     e.  The energy and capacity was delivered during the First
                           First Contract Year for the March billing period.
                     f.  The Capacity Rate is $19.04/kW-month.
                     g.  There were 465 mid and on-peak hours
                           during the billing period.

      Calculation of the Energy Payment:

      The energy payment will equal the sum of the products of on-peak,
      mid-peak, and off-peak generation kilowatt hour values and the energy
      rate.

      On-peak  =   1,914,250 kWh x .$02425 =    $46,420.56
      Mid-peak =   3,828,500 kWh x $.02425 =    $92,841.13
      Off-peak =   3,536,325 kWh x $.02425 =    $85,755.88
                                               -----------
      Energy Payment                           $225,017.57

      Calculation of Capacity Payment:

      The capacity payment will equal the lesser of 1 a) the product of the
      Capacity Rate and the kWh generated during the Peak Period hours, divided
      by the number of Peak Period hours or b) the product of the

                                                                       EXHIBIT E
                                                                     Page 2 of 3

Capacity Rate and Peak Period Capacity Value of 13,170 kW for the March Billing
Period.

            1)   $19.04 kW x 5,742,750 kWh/465   = $235,144.00
            2)   $19.04/kW x 13,170 kW           = $250,756.80
                 Capacity Payment                  $235,144.00

            Calculation of Total Payment:

            Total Payment will equal the sum of the capacity payment and energy
            payment.

            Total Payment = $231,976.88 + $235,144.00 = $467,120.88

      2.    If the Project qualified for payment under Section 8 (b) of this
            Agreement, the following payment method is applicable:

            Assume:   a.  On-peak generation is 458,333 kWh.

                      b.  Mid-peak generation is 825,000 kWh.

                      c.  Off-peak generation is 550,000 kWh.

                      d.  On-Peak Exhibit C capacity rate is
                          $.00873/kWh and energy rate is $.02402/kWh.

                      e.  Mid-peak Exhibit C capacity rate is
                          $.00782/kWh and energy rate is $.02378/kWh.

                      f.  Off-peak Exhibit C capacity rate is
                          $.00461/kWh and energy rate is $.02022/kWh.

                                                                       EXHIBIT E
                                                                     Page 3 of 3

            Calculation of Capacity Payment:

            The capacity payment will equal the sum of the products on-peak,
            mid-peak, and off-peak generation kilowatt hour values and their
            respective rates.

            On-peak =  458,333 kWh x $.00873  =  $4,001.25
            Mid-peak = 825,000 kWh x $.00782  =  $6,451.50
            Off-peak = 550,000 kWh x $.00461  =  $2,535.50
            Capacity Payment                    $12,988.25

            Calculation of Energy Payment:

            The energy payment will equal the sum of the products of on-peak,
            mid-peak, and off-peak generation kilowatt hour values and their
            respective rates.

            On-peak  = 458,333 kWh x $.02402  =  $11,009.16
            Mid-peak = 825,000 kWh x $.02378  =  $19,618.50
            Off-peak = 550,000 kWh x $.02022  =  $11,121.00
                                                 ----------
            Energy Payment                       $41,748.66

            Calculation of Total Payment:

            Total Payment will equal the sum of the capacity payment and energy
            payment.

            Total Payment = $12,988.25 + 41,748.66 = $54,736.91

                                    EXHIBIT F

                           ESTIMATED PROJECT SCHEDULE

                         TO BE ATTACHED BY APRIL 1, 1991

                                             First Revised Sheet P.S.C.N. No. 49
                                       Cancelling Original Sheet P.S.C.N. No. 49

                                                                    EXHIBIT G
                                                                    PAGE 1 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES

A.    Service Installation

      1.  Overhead Service Connections

               Upon a bona fide application for service, and where the Utility's
          distribution pole line is located on the consumer's premises, or on a
          street, highway, lane, alley, road or private easement immediately
          contiguous thereto, the Utility will, at its own expense, furnish and
          install a single span of service wires from its pole to the Customer's
          first approved permanent support, provided such support is of a type,
          and is so located that such service wires may be installed in
          accordance with good engineering practice, and in compliance with all
          applicable Commission and other laws, ordinances, rules, including
          those governing clearances and points of attachment.

               Where the Utility's distribution pole line is not complete to the
          point noted above, the overhead system may be extended in accordance
          with Rule No. 9, Electric Line Extensions.

      2.  Underground Service Connections

          (a) General

                   In areas where the Utility establishes and maintains an
              underground distribution system, service connections within said
              underground areas will be made underground only, except upon
              written permission of the Utility.

                   Where the Utility's underground distribution system is not
              complete to the point designated by the Utility where the service
              connection is to be made to such system, the system may be
              extended in accordance with Rule No. 9, Electric Line Extensions.

          (b) Underground Service from Underground Systems

              (1) New Underground Service Installations

                         Upon a bona fide application for service, to an
                  Applicant's premises located adjacent to the Utility's
                  underground system, an underground service connection will be
                  provided by the Utility in accordance with the following
                  provisions:

                  (A) the Applicant shall

                      1.  provide and maintain, at his expense, any required

                                   (Continued)

ISSUED:     June 23, 1966           Issued By:
                                  Neil W. Plath
EFFECTIVE:  October 3, 1966         President

                                                                    EXHIBIT G
                                                                    PAGE 2 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES

A.    Service Installation (Continued)
      2.  Underground Service Connections (Continued)
          (b) Underground Service from Underground Systems (Continued)
              (1) New Underground Service Installations (Continued)
                  (A) the Applicant shall (Continued)

                          transformer vault, pull box, or other duct
                          termination facilities,

                      2.  perform the necessary trenching, backfill, and paving
                          for the service lateral,

                      3.  furnish and install any select backfill materials
                          required,

                      4.  furnish, install, and maintain, at his expense, any
                          specified conduit or duct from the transformer vault,
                          pull box, or other duct termination facilities to the
                          service connection point,

                      5.  permit the Utility to use the trench and any conduit
                          or duct system on his premises for the purpose of
                          housing the Utility's service conductors or cables,

                      6.  pay to the Utility the cost of any conductors or
                          cables required between the service connection point
                          and the duct termination facilities in addition to
                          that provided by the Utility in Section A.2.(b).(1).
                          (B).6. hereof, and

                      7.  provide and maintain, at his expense, any necessary
                          outdoor termination enclosures.

                  (B) the Utility shall

                      1.  specify the number, size and location of the
                          transformer vaults, pull boxes, or other duct
                          termination facilities,

                                   (Continued)

ISSUED:     June 23, 1966           Issued By:
                                  Neil W. Plath
EFFECTIVE:  October 3, 1966         President

                                                                    EXHIBIT G
                                                                    PAGE 3 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

A.    Service Installation (Continued)
      2.  Underground Service Connections (Continued)
          (b) Underground Service from Underground Systems (Continued)
              (1) New Underground Service Installations (Continued)
                  (B) the Utility shall (Continued)

                      2.  designate the location of the service connection point
                          at or near the property line of Applicant,

                      3.  specify the number, size, type and manner of
                          installation of conduit or duct systems on Applicant's
                          premises,

                      4.  specify the size of the conductors or cables to be
                          installed,

                      5.  install the conductors or cables from the service
                          connection point to the duct termination facilities,
                          and

                      6.  furnish and maintain, at its expense, all conductors
                          or cables required for installation between the
                          service connection point and the duct termination
                          facilities for a distance of one hundred (100) feet or
                          less.

                  (C) the conductors or cables shall be terminated as follows:

                      1.  Secondary service (480 volts or less). The conductors
                          or cables shall terminate in the service terminating
                          pull section of the Applicant's switchgear or in a
                          pull box or other terminating facilities furnished and
                          installed by the Applicant.

                      2.  Primary service (2,400 volts or more). The conductors
                          or cables shall terminate in the service terminating
                          pull section of the Applicant's switchgear or in a
                          room, vault or other suitable enclosure.

                                   (Continued)

ISSUED:     June 23, 1966           Issued By:
                                  Neil W. Plath
EFFECTIVE:  October 3, 1966         President

                                                                    EXHIBIT G
                                                                    PAGE 4 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

A.    Service Installation (Continued)
      2.  Underground Service Connections (Continued)
          (b) Underground Service from Underground Systems (Continued)

              (2) Underground Service Installations Replacing Existing Overhead
                  Services

                      In those instances and in those areas where an existing
                  overhead distribution system is replaced by an underground
                  distribution system, underground service connections will be
                  supplied in the same manner and subject to the same conditions
                  as for new installations under Section A.2.(b).(1). above.

          (c) Underground Services from Overhead Systems

              (1)  New Underground Service Installations

                      Upon a bona fide application for underground service from
                  an overhead system to an Applicant's premises, an underground
                  service connection will be provided by the Utility in
                  accordance with the following provisions:

                  (A) the Applicant shall

                      1.  provide and maintain, at his expense, any required
                          transformer vault, pull box, or other duct termination
                          facilities,

                      2.  perform the necessary trenching, backfill, and paving
                          on his property and on the Utility easement or
                          right-of-way to the pole,

                      3.  furnish and install any select backfill materials
                          required,

                                   (Continued)

ISSUED:     April 17, 1970          Issued By:
                                  Neil W. Plath
EFFECTIVE:  June 5, 1970            President

                                       Cancelling Original Sheet P.S.C.N. No. 53

                                                                    EXHIBIT G
                                                                    PAGE 5 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

A.    Service Installation (Continued)
      2.  Underground Service Connections (Continued)
          (c) Underground Service from Overhead Systems (Continued)
              (1) New Underground Service Installations (Continued)
                  (A) the Applicant shall (Continued)

                      4.  furnish, install, and maintain, at his expense, any
                          specified conduit or duct from the transformer vault,
                          pull box or other duct termination facilities to the
                          riser,

                      5.  furnish and install, at his expense, an underground
                          riser conduit to a point eight feet above the ground
                          on the designated pole,

                      6.  furnish the riser conduit and the required protective
                          coverings, attachments and terminals to complete the
                          riser installation,

                      7.  permit the Utility to use the trench and any conduit
                          and duct system on his premises for the purpose of
                          housing the Utility's service conductors or cables,

                      8.  pay to the Utility the cost of any conductors or
                          cables required between the service connection point
                          on the pole and the duct termination facilities in
                          addition to the provided by the Utility in section
                          A.2.(c).(1).(B).8. hereof, and

                      9.  provide and maintain, at his expense, any necessary
                          outdoor termination enclosures.

                  (B) the Utility shall

                      1.  specify the number, size and location of the
                          transformer vaults, pull boxes or other duct
                          termination facilities,

                                   (Continued)

ISSUED:     June 23, 1966           Issued By:
                                  Neil W. Plath
EFFECTIVE:  October 3, 1966         President

                                                                    EXHIBIT G
                                                                    PAGE 6 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

A.    Service Installation (Continued)
      2.  Underground Service Connections (Continued)
          (c) Underground Service from Overhead Systems (Continued)
              (1) New Underground Service Installations (Continued)
                  (B) the Utility shall (Continued)

                      2.  designate the pole or location of such pole where the
                          service connection will be made,

                      3.  specify the number, size, type and manner of
                          installation of conduit or duct systems on Applicant's
                          premises,

                      4.  specify the number, size and type of riser together
                          with associated protective coverings and attachments,

                      5.  specify the size of conductors or cables to be
                          installed,

                      6.  install the conductors or cables from the service
                          connection point on the pole to the duct termination
                          facilities,

                      7.  install the remaining portion of the riser, and

                      8.  furnish and maintain, at its expense, all conductors
                          or cables required for installation between the
                          service connection point on the pole and duct
                          termination facilities for a distance of one hundred
                          (100) feet or less.

                  (C) the conductors or cables shall be terminated as follows:

                      1.  Secondary service (480 volts or less). The conductors
                          or cables shall terminate in the service terminating
                          pull section of the Applicant's switchgear or in a
                          pull box or other termination facilities furnished and
                          installed by the Applicant.

                                   (Continued)

ISSUED:     June 23, 1966           Issued By:
                                  Neil W. Plath
EFFECTIVE:  October 3, 1966         President

                                  Cancelling First Revised Sheet P.S.C.N. No. 55

                                                                    EXHIBIT G
                                                                    PAGE 7 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

A.    Service Installation (Continued)
      2.  Underground Service Connections (Continued)
          (c) Underground Service from Overhead Systems (Continued)
              (1) New Underground Service Installations (Continued)
                  (C) the conductors or cables shall be terminated as follows:
                      (Continued)

                      2.  Primary service (2,400 volts or more). The conductors
                          or cables shall terminate in the service terminating
                          pull section of the Applicant's switchgear or in a
                          room, vault or other suitable enclosure.

              (2) Underground Service Installations Replacing Existing Overhead
                  Services

                      Upon a bona fide application for replacement of an
                  existing overhead service with an underground service to an
                  Applicant's premises, an underground service connection will
                  be supplied in the same manner and subject to the same
                  conditions as for new installations under Section A.2.(c).(1).
                  above.

          (d) Replacement or Reinforcement of Existing Underground Systems

                      Whenever, in the judgement of the Utility, an underground
                  service requires replacement or reinforcement, such
                  replacement or reinforcement will be made in the same manner
                  and subject to the same conditions as for new installations
                  under Section A.2.(b). (1). hereof.

      3.  Number of Services to be Installed

              The Utility will not install more than one service, either
          overhead or underground, for the same voltage and phase classification
          for any one building or group of buildings on a single premises,
          except that separate services may be installed for separate buildings
          or groups of buildings

                                   (Continued)

ISSUED:     April 17, 1970          Issued By:
                                  Neil W. Plath
EFFECTIVE:  June 5, 1970           President

                                                                    EXHIBIT G
                                                                    PAGE 8 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

A.    Service Installation (Continued)
      3.  Number of Services to be Installed (Continued)

          where necessary for the operating convenience of the Utility. Where
          required by law, local ordinance, and if at Customer's convenience;
          where the Utility installs more than one metered service, each meter
          will be billed separately. Where more than one class of service is
          required for a Customer and is to be supplied from the same pole,
          manhole or service box, the service outlets are to be located as close
          together as practicable.

      4.  Connection of Applicant's Service to Utility Lines

              Only authorized employees of the Utility will be permitted to
          connect the Applicant's service lateral and the Applicant's
          terminating facilities to, or disconnect the same from the Utility's
          electric lines.

      5.  Meters and Associated Equipment

          (a) General

                  The Utility will, at its own expense, install a suitable meter
              on an Applicant's premises in a location furnished by him and
              approved by the Utility, which location shall, at all reasonable
              times, be accessible for reading, testing and maintaining the
              meter. No rent or other charge shall be made by the Applicant for
              the use of this location.

          (b) Multiple-Occupancy Buildings

                  In multiple-occupancy buildings where a number of meters are
              required to measure the electricity supplied, all meters will be
              located at a central point and each meter socket or panel will be
              clearly marked to indicate the particular location supplied
              through it.

                  In buildings which are divided into two or more stores or
              other commercial premises, meters may be installed in the separate
              premises provided no adjacent alleyway, common basement or other
              location accessible to all the tenants and suitable for the
              installation of

                                   (Continued)

ISSUED:     June 23, 1966           Issued By:
                                  Neil W. Plath
EFFECTIVE:  October 3, 1966         President

                                                 Original Sheet P.S.C.N. No. 56A

                                                                    EXHIBIT G
                                                                    PAGE 9 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

A.    Service Installation (Continued)
      5.  Meters and Associated Equipment (Continued)
          (b) Multiple-Occupancy Buildings (Continued)

              a group of meters exist. In such buildings, all wiring from the
              Utility's point of delivery to the individual meters shall be in
              rigid conduit.

          (c) Sealing of Meters

                  All meters will be sealed by the Utility at the time of
              installation and no seal shall be altered or broken except by one
              of its authorized employees.

          (d) Equipment Furnished by Customer

                  All service switches, meter sockets, meter and instrument
              transformer housing, cutouts and similar devices, irrespective of
              voltage, required in connection with a service and meter
              installation on a Customer's premise shall be furnished,
              installed and maintained by the Customer in accordance with the
              Utility's requirements.

          (e) Equipment Furnished by Utility

                  The Utility will furnish and install the necessary instrument
              transformers, test facilities and meters. The Utility will furnish
              the metering enclosures when in the opinion of the Utility it
              appears necessary to locate metering equipment at a point that is
              not accessible to the Customer.

          (f) Master Meters

                  A master meter will be furnished and installed by the Utility
              upon application by the owner or lessee of any buildings where the
              floors (or portions thereof) or rooms or groups of rooms are
              rented separately and where electric energy is to be metered and
              resold by said owner or lessee to the individual tenants as
              provided in Rule No. 18, Supply To Separate Premises and Resale.
              In such cases, the said owner or lessee shall furnish, install,
              maintain and test the submeters.

                                   (Continued)

ISSUED:     June 23, 1966           Issued By:
                                  Neil W. Plath
EFFECTIVE:  October 3, 1966         President

                                                                   EXHIBIT G
                                                                   PAGE 10 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

A.    Service Installation (Continued)

      6.  Transformer Installations on Applicant's Premises

          (a) General

                  In those instances where the Utility, for aesthetic, economic
              or engineering reasons, desires to install transformers on
              Applicant's premises, the Applicant shall furnish a satisfactory
              right-of-way for the high voltage primary service conductors and
              shall provide adequate space for the transformer installation.
              Right-of-way and space provisions must be such that legal
              clearances from adjacent structures can be maintained and the
              vault, transformer room, or enclosures shall conform with all
              applicable laws of the State of Nevada, and/or municipal
              regulations, and/or regulations of other public bodies having
              jurisdiction thereof, and shall meet with the approval of the
              Utility.

          (b) Installation of 75 Kva and Larger

              (1) The Utility will not furnish pole-type structures.

              (2) Where transformers and associated equipment or appurtenances
                  are to be located in a fireproof vault or room in a building
                  (or structure), the Applicant shall, at his expense, provide
                  and maintain such vault or room as specified by the Utility.
                  Applicant shall also furnish and install, at his expense, all
                  secondary equipment and material necessary to receive service
                  at the secondary terminals of transformer(s) or as otherwise
                  specified by the Utility. The Utility will, at its expense,
                  complete the installation.

              (3) Where transformers and associated equipment or appurtenances
                  are to be located outdoors, the Applicant shall, at his
                  expense, provide and maintain, as specified by the Utility, a
                  concrete pad or foundation and suitable enclosure, if
                  required. The Applicant shall also furnish and install, at his
                  expense, all secondary equipment and material necessary to
                  receive service at the secondary terminals of the
                  transformer(s) or as otherwise specified by the Utility. The
                  Utility will, at its expense, complete the installation.

                                   (Continued)

ISSUED:     April 17, 1970          Issued By:
                                  Neil W. Plath
EFFECTIVE:  June 5, 1970           President

                                                                   EXHIBIT G
                                                                   PAGE 11 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

A.    Service Installation (Continued)
      6.  Transformer Installations on Applicant's Premises (Continued)

          (c) Installations of Less Than 75 KVA

              (1) The Utility will erect a pole-type transformer structure, at
                  its expense, and service from this structure will be supplied
                  as specified by the Utility.

              (2) In those instances where the Applicant has provided a
                  fireproof vault or room, at his expense, the installation
                  shall be made in accordance with Section A.6.(b).(2). above.

              (3) In those instances where the Applicant has provided a concrete
                  pad or foundation, the installation will be made in accordance
                  with Section A.6.(b).(3). above.

B.    Ownership

           The transformers, meters, service wires, appliances, fixtures and
      other facilities furnished by the Utility at its own expense and located
      wholly or partially upon a Customer's premises for the purpose of
      delivering electric energy to the Customer will at all times be and remain
      the property of the Utility which shall have the right to repair or
      replace them at any time or to remove them after service to the Customer
      has been discontinued.

           Such equipment may also be used to supply other Customers whether or
      not on the same premises, provided the proper rights-of-way have been
      obtained.

           No rent or other charge whatsoever shall be made by the Customer
      against the Utility for placing or maintaining said transformers, meters,
      service wires, appliances, fixtures, etc. upon the Customer's premises.

           The Customer shall exercise reasonable care to prevent the facilities
      of the Utility upon said premises from being damaged or destroyed, and
      shall refrain from interfering with same, and, in case any defect therein
      shall be discovered, shall notify the Utility thereof.

                                   (Continued)

ISSUED:     April 17, 1970          Issued By:
                                  Neil W. Plath
EFFECTIVE:  June 5, 1970           President

                                                                   EXHIBIT G
                                                                   PAGE 12 OF 13

                                   Rule No. 16

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

C.    Maintenance

           The Utility will be responsible for the maintenance of its own
      property only, and the Customer shall be responsible for the maintenance
      of all other property required for the receipt of electric energy from the
      Utility.

D.    Right of Access

           Upon application for electric service and the establishment of
      service pursuant thereto, the Customer shall be deemed to grant to the
      Utility and its assigns, to whatever extent the Customer may be empowered
      to make such grant, an irrevocable easement upon and through the
      Customer's premises for the location of the facilities of the Utility
      required to provide service. Any such grant from the owner of the premises
      serviced shall be deemed to be an easement running with the land, and
      shall bind his heirs and assigns.

           The Utility will, at all reasonable times, have the right of access
      to a Customer's premises for any purpose normally connected with the
      furnishing of electric energy and the exercise of the rights secured to it
      by law or these rules.

E.    Responsibility for Loss or Damage

           The Utility will not be responsible for any loss or damage caused by
      any negligence or wrongful act of a Customer or Customer's authorized
      representatives in installing, maintaining, or operating the receiving
      facilities or utilizing equipment for which electric energy is being
      supplied.

           The Customer shall, at his sole risk and expense, furnish, install,
      inspect and keep in good and safe condition all electrical wires, lines,
      machinery and apparatus of any kind or character which may be required
      for: (1) receiving electric energy from the lines of the Utility,
      regardless of the location of the transformers, meters or other equipment
      of the Utility; and (2) applying utilizing such energy, including all
      necessary protective appliances and suitable housing therefor.

           The Customer shall also transmit and deliver and be solely
      responsible for the transmission and delivery of all electric energy over
      or through Customer's wires and equipment, regardless of the place where
      such electric energy may be transformed or metered.

ISSUED:     July 27, 1967          Issued By:
                                  Neil W. Plath
EFFECTIVE:  September 20, 1967      President

                                  Rule No. 16                      EXHIBIT G
                                                                   PAGE 13 OF 13

              SERVICE CONNECTIONS, METERS AND CUSTOMER'S FACILITIES
                                   (Continued)

F.    Remote Metering

           Remote metering is available to any Customer with 120/240 volt single
      phase service who does not desire to comply with Section D, Right of
      Access, hereto, relative to meter reading.

           The Customer will be required to pay Utility $100.00, in advance, for
      the cost of installing the facilities necessary to provide remote
      metering. The remote metering equipment will remain the property of
      Utility, and Utility will maintain the equipment.

           Utility will require a minimum of two (2) annual inspections of the
      meter and remote register for verification of the meter readings.

           If at any time there should exist a difference between the meter
      reading and the remote register reading, the meter reading will be
      considered as the proper basis for purposes of billing. If a meter test is
      required, it will be done in compliance with Rule No. 17.

G.    Customer's Responsibilities

      1.   Utility Owned Facilities

           Utility property installed on the premises served for the purpose of
           measuring or supplying service to a customer is placed there under
           the Customer or property owner's protection. The Customer or property
           owner will be held responsible for the breaking of seals, tampering
           or interfering with Utility's meter or meters or other equipment of
           Utility placed under their protection. Only authorized employers of
           Utility will be allowed to make repairs or adjustments to meters or
           other apparatus belonging to the Utility. Where such repairs or
           adjustments are necessary, a charge shall be made to the customer or
           property owner as appropriate, in addition to actual material costs.
           See Schedule SC, PSCN No. 63C.

H.    Tax  Liability on Customer Contributions

           Contributions by customers of or for facilities or equipment provided
      under this rule will be increased by the appropriate tax liability factor
      from Section C.5 of Rule No. 9 to cover the Utility's tax liability on
      such contributions. Such tax liability will be paid in cash.

Issued:     11/28/88                Issued By:
                                  Austin W. Stedham
Effective:  11/28/88                President

Advice No.: 273-E
            Amended

                                    RULE NO. 17                     EXHIBIT H
                                                                    PAGE 1 OF 3

              METER TESTS AND ADJUSTMENT OF BILLS FOR METER ERROR

A.    Tests

      1.   Facilities

           The utility shall provide or have access to a facility to determine
           the accuracy of its meters.

      2.   On Customer Request

           The utility shall test the meter of a customer upon his request.

           No charge will be made for preparing the test once during any 12
           month period. The utility may charge the customer a fee, as sat forth
           in Schedule SC, PSCN No. 63C, for any additional test conducted
           during the period.

           The customer may be present and may request a qualified
           representative of the Commission be present at the time a test is
           conducted.

           If a meter is tested at the request of a customer, the utility shall,
           within a reasonable time after the test:

           a.  Provide the customer with a written statement of the results of
               the test.

           b.  Notify the customer in writing if the meter is replaced or
               repaired.

           The utility will prepare and maintain a record of the results of each
           test conducted pursuant to this section. The record will include:

           a.  The name and address of the customer.
           b.  The meter number.
           c.  The type of meter.
           d.  The type of test.
           e.  The date on which the test was conducted.
           f.  The results of the test.
           g.  A description of any action taken as a result of the test.

                                   (Continued)

Issued:      1/16/90                 Issued By:
                                Austin W. Stedham
Effective:   1/16/90                President

Advice No.:  292-E

                                    RULE NO. 17                      EXHIBIT H
                                                                     PAGE 2 OF 3

              METER TESTS AND ADJUSTMENT OF BILLS FOR METER ERROR
                                   (Continued)

B.    Adjustment of Bills for Meter Error

      1.   If a meter is tested and found to be inaccurate by more than two
           percent(2%), the bill for service of any customer affected must be
           adjusted as provided in this section.

      2.   Except as otherwise provided in Section 8.3., if the meter has:

           a.  Slow Metering:

               Under-recorded the usage of electric energy. The adjustment must
               be made only for the period of the most recent three (3) months
               of usage.

           b.  Fast Metering:

               Over-recorded usage, the adjustment must be made only for the
               period of the most recent six (6) months of usage.

           c.  Non-Registering Meters:

               Upon test, been found to be non-registering, utility shall bill
               the customer for the estimate of consumption not registered for
               either the period the meter was in use at such customer's
               premises, or the preceding three (3) months, whichever is
               shorter.

      3.   Unauthorized Service

           If the utility establishes that the meter has been tampered with or
           used without authorization, the billing adjustment must be calculated
           for a period not to exceed the most recent six (6) months of usage or
           the date on which the tampering or unauthorized use began, whichever
           is greater.

                                   (Continued)

Issued:      1/16/90
                                    Issued By:
Effective:   1/16/90            Austin W. Stedham
                                    President
Advice No.:    292-E

                                    RULE NO. 17                     EXHIBIT H
                                                                    PAGE 3 OF 3

              METER TESTS AND ADJUSTMENT OF BILLS FOR METER ERROR
                                   (Continued)

B.    Adjustment of Bills for Meter Error (Continued)

      4.   Underpayment

           A customer who, because of an adjustment to his bill, owes the
           utility money for service may pay that amount over a three (3) month
           period.

      5.   Overpayment

           The utility shall credit the account of a customer who was
           overcharged because of an inaccurate meter not later than thirty (30)
           days after the overcharge is determined.

      6.   Calculation of Billing Adjustment

           Bills for this purpose shall be based upon:

           a.  Customer's prior use;

           b.  Customer's subsequent use correctly metered;

           c.  Utility's experience with other customers of the same class; and

           d.  The general characteristics of customer's operations.

Issued:      1/16/90
                                   Issued By:
Effective:   1/16/90            Austin W. Stedham
                                    President
Advice No.:   292-E

                                                                     EXHIBIT I
                                                                     PAGE 1 OF 4

                          EXPERIMENTAL SCHEDULE NO. FSS

                              FIRM STANDBY SERVICE

                     COGENERATION AND SMALL POWER PRODUCTION

APPLICABILITY

      Service hereunder is applicable to any Customer where all or part of the
electrical requirements can be supplied from a cogeneration or small power
production source which meets the criteria for a Qualifying Facility set forth
is subpart B, Sections 292.201-292.207 of the FERC rules (45 Fed. Reg. 17959),
and which service is elected by the Customer to be billed under the net metering
option described in Rule No. 15, paragraph B.3.a. QFs billed under the seperate
metering option of Rule No. 15, paragraph B.3.b. will be billed under the
appropriate rate schedule for regular service.

      The cogeneration or small power production source may be connected for:
(1) parallel operation with service Utility, or (2) isolated operation with
standby or breakdown service provided by Utility by means of a double-throw
switch.

      This schedule is limited to Customers having a maximum total demand equal
to or greater than fifty (50) kilowatts and where another schedule is not
specifically applicable.

      This tariff will be effective for a period of two years from the original
effective date or until changed with the approval of the Public Service
Commission of Nevada.

TERRITORY

      Entire Nevada service area, as specified.

RATES

      Customer Charge

      Per meter per month:                                         $700.00

                                   (Continued)

Issued:      10/1/89
                                    Issued By:
Effective:   10/1/89             Austin W. Stedham
                                     President
Advice No.:    289-E

                                                                     EXHIBIT I
                                                                     PAGE 2 OF 4

                          EXPERIMENTAL SCHEDULE NO. FSS

                              FIRM STANDBY SERVICE

                     COGENERATION AND SMALL POWER PRODUCTION
                                  (Continued)

RATES  (Continued)

      Fixed Stand by Demand Charge

           For each kilowatt of contract demand              $   3.47

      Additional Variable Demand Charge

           For each kilowatt of maximum total demand
             in excess of the contract demand                $   3.47

      Variable Demand Charge

           For each kilowatt of On-Peak billing demand       $   3.51
           For each kilowatt of Mid-Peak billing demand      $   1.76

      Energy Charge

                                                     Base Tariff   Base Tariff       Total
                                                    General Rate   Energy Rate   Energy Charge
                                                    ------------   -----------   -------------

      Winter
           All On-Peak kWh, per kWh                   $ .01358       $ .02789      $ .04147
           Plus all Mid-Peak kWh, per kWh             $ .01138       $ .02789      $ .03927
           Plus all Off-Peak kWh, per kWh             $ .00495       $ .02789      $ .03284

      Summer
           All On-Peak kWh,  per kWh                  $ .01270       $ .02789      $. 04059
           Plus all Off-Peak kWh, per kWh             $ .00806       $ .02789      $ .03595

      Deferred Energy Accounting Adjustment

           All kWh per kWh (02/01/90 - 01/31/91)                                   $ .00113

                                   (Continued)

Issued:      9/1/90
                                      Issued By:
Effective:   9/1/90               Austin W. Stedham
                                      President
Advice No.:    301-E

                                                                     EXHIBIT I
                                                                     PAGE 3 OF 4

                          EXPERIMENTAL SCHEDULE NO. FSS

                              FIRM STANDBY SERVICE

                     COGENERATION AND SMALL POWER PRODUCTION
                                  (Continued)

RATES  (Continued)

      Power Factor Adjustment

           Credit (or charge) at the rate of $.0014 per kvarh for all actual
           kvarh less than (or greater than) equivalent kvarh at a 90% power
           factor level per Special Condition 5.

      Voltage and Transformer Adjustment

           Where service delivered directly from a primary distribution or
           transmission system, the Customer, demand and energy charges shall be
           decreased as follows:

                                                               Primary
                                                             Distribution   Transmission
                                                             ------------   ------------

      a.   Where service is metered at or
           compensated to the delivery point                     1.25%          7.50%

      b.   Where customer owns and maintains
           all equipment required for transformation
           from the delivery voltage                             1.25%          7.50%

      c.   Where both a) and b) exist                            2.50%         10.00%

      d.   Where neither a) nor b) exist                         None           5.00%

      Late Charge
           1% on any amount in arrears from previous billings.

      Tax Adjustment Charge
           2% of total bill within incorporated area (3/4 of 1% for City of
           Gabbs) or as designated in specific franchise agreements.

                                   (Continued)

Issued:      2/6/89
                                   Issued By:
Effective:   2/6/89            Austin W. Stedham
                                   President
Advice No.:  281-E

                                                                     EXHIBIT I
                                                                     PAGE 4 OF 4

                          EXPERIMENTAL SCHEDULE NO. FSS

                              FIRM STANDBY SERVICE

                     COGENERATION AND SMALL POWER PRODUCTION
                                  (Continued)

MINIMUM CHARGE

      The minimum charge for service hereunder shall be the sum of the customer
charge, demand charges, energy charges, deferred energy accounting adjustment,
power factor adjustment, voltage and transformer adjustment, late charge and tax
adjustment charge.

SPECIAL CONDITIONS

      1.   A written contract will be required for service hereunder, for a
           minimum term of not less than five years.

      2.   Determination of Demand: The demand for any billing shall be defined
           as the maximum measured fifteen minute average kilowatt load in the
           billing period. In instances, however, where the use of energy by a
           Customer is intermittent or subject to violent fluctuations, a
           shorter time interval may be used and the demand determined from
           special measurements. At Utility's option, a thermal type of demand
           meter which does not reset after a definite time interval may be used
           for demand measurements.

      3.   Contract Demand: The contract demand for Customers requiring standby
           service for all of their self-generation capacity shall be the
           nameplate capacity, in kW, of connected self-generation capacity for
           which Utility will standby. In the event that measured output from
           the self-generation equipment in any month exceeds the previously
           established contract demand, Utility may revise the contract demand
           to this higher measured amount.

                                   (Continued)

Issued:      2/6/89
                                   Issued By:
Effective:   2/6/89            Austin W. Stedham
                                   President
Advice No.:  281-E

                                                                     EXHIBIT J
                                                                     PAGE 1 OF 5

                                    Rule No. 2

                             DESCRIPTION OF SERVICE

A.    General

      1.   Service described hereunder may be obtained by any person or agency
           by making application in accordance with Rule No. 3 and, if required,
           by signing a contract in accordance with Rule No. 10. Each Applicant
           will also be required to establish credit in accordance with Rule
           No. 12. Applicant will be informed as to the conditions under which
           service will be established if the requested service requires a
           Utility installation beyond that specified for a service connection
           in Rule No. 16.

      2.   The type of service available at any particular location should be
           ascertained by inquiry at the local Utility office.

      3.   It is the responsibility of the Applicant to ascertain and comply
           with regulations of governmental entities having jurisdictional
           authority.

      4.   Alternating current service of approximately 60 hertz is regularly
           supplied.

      5.   Voltages referred to in these tariffs are nominal and refer either
           to voltage between energized conductors and ground, or to voltage
           between energized conductors.

B.    Service Delivery Voltages

      1.   The following are standard service voltages, however, not all
           voltages are or can be made available at a given service delivery
           point:

                                   (Continued)

Issued:      9/21/84
                                    Issued By:
Effective:   9/21/84              Joe L. Gremban
                                     President
Advice No.:    231-E

                                                                     EXHIBIT J
                                                                     PAGE 2 OF 5

                                   Rule No. 2

                             DESCRIPTION OF SERVICE
                                   (Continued)

B.    Service Delivery Voltages (Continued)

                                                                 Transmission
                      Distribution Voltages                        Voltages
--------------------------------------------------------------  ----------------
  Single-Phase              Three-Phase         Three-Phase
   Secondary                 Secondary             Primary        Three-Phase
--------------------------------------------------------------  ----------------
120/240   3-Wire         120/240   4- Wire*    Contact local     Contract local
120/208   3-Wire*        120/208 Y 4-Wire      Utility office.   Utility office.
                         277/480 Y 4-Wire

*Limited availability - subject to Utility approval.

      2.   Voltages greater than 600 volts but less 25,000 volts are defined as
           primary distribution voltages. Service at primary distribution
           voltages may be available on request subject to Utility approval.

      3.   Voltages of 25,000 volts and above are defined as transmission
           voltages. Service at transmission voltage may be available on
           request subject to Utility approval.

      4.   Where the Applicant desires voltage control within unusually close
           limits beyond that supplied by the Utility is the normal operation of
           its system, the Applicant, at his own expense, is responsible for
           installing, owning, operating, and maintaining any special or
           additional equipment on the load side of the point of delivery.

                                  (Continued)

Issued:      9/21/84
                                    Issued By:
Effective:   9/21/84              Joe L. Gremban
                                    President
Advice No.:    231-E

                                                                     EXHIBIT J
                                                                     PAGE 3 OF 5

                                   Rule No. 2

                             DESCRIPTION OF SERVICE
                                   (Continued)

C.    General Load Limitations

      1.   Single and Three-Phase Secondary Service

              Service Configuration             Maximum
        ---------------------------------       Demand
           Nominal                           -----------
           Voltage              Phase             kW
        ---------------    --------------    -----------
           120/240             1theta             150
           120/208             1theta             150
           120/208Y            3theta             *
           120/240             3theta             *
           277/480Y            3theta             *

*Contingent upon transformer KVA size limitations

Note:  Not all of the above voltages are or can be made available at a given
       service location. It is the responsibility of the Applicant to consult
       the local Utility office to ascertain the service configuration(s)
       available at the location in question.

                                  (Continued)

Issued:      9/21/84
                                      Issued By:
Effective:   9/21/84               Joe L. Gremban
                                      President
Advice No.:    231-E

                                                                     EXHIBIT J
                                                                     PAGE 4 OF 5

                                   Rule No. 2

                             DESCRIPTION OF SERVICE
                                   (Continued)

C. General Load Limitations (Continued)

      2.   Load Balance

           A customer's connected load must be balanced as nearly as practicable
           between energized conductors. In no case shall the difference in
           amperage between two energized conductors on a secondary service
           exceed 10 percent or 50 amperes, whichever is greater. The
           difference between the load on a lighting phase of a four-wire delta
           service and the load on the power phase may exceed these limits.

      3.   Protective Devices

           a.  Loads connected to a service shall have sufficient protective
               devices, installed and maintained at the customer's expense, to
               prevent damage to equipment during routine conditions that may
               include sudden loss of voltage, sudden re-energization, opening
               of one or more phases, and voltage or current fluctuations or
               variations.

           b.  It is the responsibility of the customer to furnish, install, and
               maintain at his expense any protective devices necessary to
               coordinate with Utility's protective devices to avoid exposing
               other Utility customers to unnecessary service interruptions.

           c.  The connection and operation of customer owned generation
               facilities in parallel with the Utility's system will be governed
               by the requirements of Rule No. 15.

      4.   Interference With Service

           The customer shall not connect load to his service that introduces
           abnormal currents, voltages, and/or frequencies to the Utility's
           system or to communication facilities, or that interferes with a
           normally acceptable quality of service to any other customer. Upon
           notification by the Utility that one of the above conditions exist,

                                   (Continued)

Issued:      9/21/84
                                   Issued By:
Effective:   9/21/84            Joe L. Gremban
                                   President
Advice No.:    231-E

                                                                     EXHIBIT J
                                                                     PAGE 5 OF 5

                                   Rule No. 2

                             DESCRIPTION OF SERVICE
                                   (Continued)

C.    General Load Limitations (Continued)

      4.   Interference With Services (Continued)

           the customer shall either discontinue use of the load causing the
           interference with service or install and maintain, at his expense,
           the corrective measures necessary to reasonably limit the
           interference with service. If the customer fails to take corrective
           measures in a timely manner and continues to use the load causing the
           interference with service, the Utility may terminate service after
           prior notice in accordance with Rule No. 6 of these Rules and
           Regulations. Customer shall contact the local Utility office for
           maximum allowable motor starting currents.

      5.   Power Factor Correction

           The customer shall provide, at his expense, the necessary power
           factor corrective equipment to maintain a power factor of at least
           90% lagging unless a power factor adjustment is being applied for
           billing purposes in accordance with appropriate rate schedules.

                                   (Continued)

Issued:      9/21/84
                                      Issued By:
Effective:   9/21/84               Joe L. Gremban
                                      President
Advice No.:    231-E

                                                                     EXHIBIT K
                                                                     PAGE 1 OF 7

                                   Rule No. 15

                  COGENERATORS AND SMALL POWER PRODUCERS (QF'S)

A.    Applicability

      Under provisions of this rule, the utility will purchase energy or energy
and capacity from qualifying cogenerators and small power production
facilities. These facilities will be allowed to operate in parallel with the
utility.

      1.   A Qualifying facility is one that meets the criteria set forth in
           Subpart B, Sections 292.201 - 292.207 of the FERC rules. (45 Fed.
           Reg. 17959)

      2.   Parallel generation is defined as a system in which the QF's
           generation can be connected to a bus common with the utility's
           system. Power transfer between the QF's facilities and the utility's
           system is a common result.

B.    BUY-SELL ARRANGEMENT

      1.   Utility will purchase power from qualifying small power production or
           cogeneration facilities at a rate which reflects the cost which
           Utility can avoid as a result of obtaining the power.

      2.   Utility will sell power to qualifying small power production or
           cogeneration facilities based on filed Rate Schedules applicable to
           comparable customers without generation.

      3.   Utility offers two metering options to QF's.

           a.  Netting Generation and Load - Metering Option I

               1.  The QF can choose to have the metering arranged so that
                   Utility purchases the

                                   (Continued)

Issued:      3/20/81
                                      Issued By:
Effective:   3/20/81               Joe L. Gremban
                                      President
Advice No.:    176-E

                                                                     EXHIBIT K
                                                                     PAGE 2 OF 7

                                   Rule No. 15

                  COGENERATORS AND SMALL POWER PRODUCERS (QF'S)
                                   (Continued)

           a.  Netting Generation and Load - Metering
               Option I (continued)

               1.  (Continued)
                   net energy which the QF does not use, and so that Utility
                   sells net energy which the QF does not generate.

               2.  When the QF's generation output is greater than his load,
                   Utility will purchase the excess energy which the QF does not
                   use. The purchase meters will register only the energy which
                   is supplied from the QF's system to Utility's system.

               3.  When the QF's generation output is less than his load,
                   Utility will charge the QF only for the power requirements
                   which are not supplied by the QF's generation. The billing
                   meters will register only the power requirements which are
                   supplied from Utility's system to the QF's system.

               4.  Neither the purchase meters nor the billing meters will be
                   allowed to reverse rotation.

               5.  If the applicable rate schedule requires demand metering the
                   demand meter will register only the demand which is supplied
                   from Utility's system to the QF's system. This demand meter
                   will be used to determine the billing demand and the
                   applicable rate schedule.

                                   (Continued)

Issued:      5/4/81
                                    Issued By:
Effective:   5/4/81               Joe L. Gremban
                                     President
Advice No.:   178-E

                                                                     EXHIBIT K
                                                                     PAGE 3 OF 7

                                   Rule No. 15

                  COGENERATORS AND SMALL POWER PRODUCERS (QF'S)
                                   (Continued)

           a.  Netting Generation and Load - Metering
               Option I (continued)

               5.  (Continued)
                   It is feasible that the QF's generation could reduce his
                   demand enough to move the customer to a different rate
                   schedule.

           b.  Separate Generation and Load - Metering
               Option II

               1.  The Qualifying Facility can choose to have the metering
                   arranged so that Utility purchases 100% of the QF's
                   generation output, and so that Utility sells 100% of the QF's
                   load requirements.

               2.  The QF's generation and load shall be treated separately and
                   independently. For example, if a cogeneration facility
                   produces 50 KW and consumes 30 KW, it would be treated the
                   same as another qualifying facility that produces 50 KW, and
                   is located next to a factory that uses 30 KW.

               3.  The QF should note that the purchase meter will reverse its
                   rotation if the generator loses power and goes into a
                   motoring state. The Utility may require a reverse power relay
                   to prevent this condition.

C.    INTERCONNECTION COSTS

      1.   The Qualifying Facility shall pay all costs of interconnection with
           the Utility's facilities.

                                   (Continued)

Issued:      5/4/81
                                    Issued By:
Effective:   5/4/81              Joe L. Gremban
                                    President
Advice No.:   178-E

                                                                     EXHIBIT K
                                                                     PAGE 4 OF 7

                                   Rule No. 15

                  COGENERATORS AND SMALL POWER PRODUCERS (QF'S)
                                   (Continued)

C.    INTERCONNECTION COSTS - (Continued)

      2.   Utility financing for specified portions of interconnection costs is
           available on an individual contract basis. The contracts will be
           negotiated with each Qualifying Facility and will include, but not be
           limited to, the following terms:

           a.  The Utility will finance only the services drop and metering
               equipment.

           b.  The owner of the Qualifying Facility will be required to execute
               a promissory note in an amount equal to the actual costs of
               construction, bearing interest at the prime rate prevailing at
               the time of execution plus 1%.

           c.  The Utility will require that the debt be secured by property,
               bond, letter of credit, or other adequate security.

           d.  Monthly payment amounts and repaying schedules will be determined
               on a case-by-case basis.

D.    QF DESIGN & OPERATING REQUIREMENTS

      The QF must meet Utility's latest design and operating specifications in
      addition to all national, state, and local construction and safety codes.

      Utility's design and operating specifications are the minimum requirements
      that the QF must meet.

                                   (Continued)

Issued:      10/21/81
                                      Issued By:
Effective:   10/21/81              Joe L. Gremban
                                      President
Advice No.:     189-E

                                                                     EXHIBIT K
                                                                     PAGE 5 OF 7

                                   Rule No. 15

                  COGENERATORS AND SMALL POWER PRODUCERS (QF'S)
                                   (Continued)

D.    QF DESIGN & OPERATING REQUIREMENTS (Continued)

      These requirements are intended to protect other customers and Utility
      from damage caused by the parallel generation facility.

      These design requirements are not intended to protect the QF's generation
      facility from every possible source of damage. The parallel generation QF
      may wish to install additional protective equipment to protect his
      generation facility.

      1.   All protective device relay settings and all electrical schematics
           must be approved in writing by Utility.

      2.   The QF will purchase, own, operate, and maintain the required
           protective equipment.

      3.   Utility reserves the right to require additional protective equipment
           and safety measures as further experience may dictate.

      4.   The operation of the QF's generation facility must not reduce the
           quality of service to other Utility customers. No abnormal voltage,
           currents, frequencies, or interruptions are permitted.

      5.   The QF will at no time energize a de-energized Utility circuit,
           without the permission and the supervision of Utility personnel.

      6.   The QF shall not bypass any of the protective relays or equipment.

                                   (Continued)

Issued:      5/4/81
                                    Issued By:
Effective:   5/4/81              Joe L. Gremban
                                    President
Advice No.:   178-E

                                                                     EXHIBIT K
                                                                     PAGE 6 OF 7

                                   Rule No. 15

                  COGENERATORS AND SMALL POWER PRODUCERS (QF'S)
                                   (Continued)

D.    QF DESIGN & OPERATING REQUIREMENTS (Continued)

      7.   The QF is responsible for damage caused to other customers and to
           Utility as a result of mis-operation or malfunction of the QF's
           generation facility or protective equipment.

      8.   Utility is not responsible for damage caused to the QF's facility as
           a result of acts over which Utility has no control.

      9.   Utility is not responsible for damage caused to the QF's facility as
           a result of automatic or manual reclosing.

      10.  The QF is responsible for performing scheduled maintenance on the
           generation facility and the protective equipment to keep the facility
           in proper operating condition. Utility reserves the right to inspect
           the customer's facility to check for a hazardous condition or a lack
           of scheduled maintenance.

      11.  Utility reserves the right to discontinue parallel generation with
           reasonable prior notice for any of the following:

           a.  Utility needs to perform non-emergency maintenance or repair of
               utility facilities.

           b.  The QF's generation reduces the qualify of service to other
               customers.

           c.  Inspection of the QF's facility reveals a hazardous condition or
               a lack of scheduled maintenance.

                                   (Continued)

Issued:      5/4/81
                                      Issued By:
Effective:   5/4/81                 Joe L. Gremban
                                      President
Advice No.:   178-E

                                                                     EXHIBIT K
                                                                     PAGE 7 OF 7

                                   Rule No. 15

                  COGENERATORS AND SMALL POWER PRODUCERS (QF'S)
                                   (Continued)

D.    QF DESIGN & OPERATING REQUIREMENTS (Continued)

      12.  Utility reserves the right to open the main disconnecting device and
           cease parallel generation without prior notice in the event of a
           system emergency.

           a.  The QF is advised that his generation facility must be capable of
               withstanding load rejection of this nature. Utility is not
               responsible for any damage caused to the QF's equipment as a
               result of disconnection from Utility's system.

Issued:      5/4/81
                                    Issued By:
Effective:   5/4/81               Joe L. Gremban
                                    President
Advice No.:   178-E

                                                                    EXHIBIT L
                                                                    PAGE 1 OF 17

      SMALL POWER PRODUCTION AND COGENERATION PLANNING AND DESIGN CRITERIA

                    FOR GENERATION GREATER THAN ONE MEGAWATT*

                                TABLE OF CONTENTS

      Section                                                          Page No.
      -------                                                          --------

1.0   APPLICATION AND POLICY ........................................     2

2.0   CONTRACT INFORMATION ..........................................     3

3.0   INTERCONNECTION AND TRANSIENT STUDY REQUIREMENTS ..............     4

4.0   METERING ......................................................     6

5.0   DESIGN REQUIREMENTS AND SPECIFICATIONS ........................     7

* Design criteria for qualifying facilities whose output is less than one
megawatt are specified in SPPCo. Engineering Standard 2.2 GW 01.

--------------------------------------------------------------------------------
 CHG  DATE         DESCRIPTION      | DWN | DSGN | CHKD | APVD
---------------------------------------------------------------  SHEET 1 OF 11
                                                               -----------------
                                                                VOL  SECT  PAGE
    APPROVED BY                                                -----------------
------------------     ENGINEERING & CONSTRUCTION STANDARD       1    2.2
DESIGNED | CHECKED
                   [LOGO]   SMALL POWER PRODUCTION
------------------    AND CO-GENERATION FOR GENERATION         -----------------
DRAWN    |  DATE          GREATER THAN ONE MEGAWATT               DRAWING NO.
  1       10/20/88         SIERRA PACIFIC POWER CO.                  2.2GN02
--------------------------------------------------------------------------------

1.0   APPLICATION AND POLICY

      1.1  Application

           The purpose of this standard is to present the planning and design
           requirements which all customer-owned qualifying power production
           facilities (QF) must meet or exceed prior to parallel operation with
           Sierra Pacific Power Company's (SPPCo.'s) electric system. This
           document applies to all customer-owned qualifying power production
           facilities whose gross aggregate output exceeds one megawatt (1 MW).

           The QF Developer and SPPCo. personnel are to use this document when
           planning installations of QF generation. It is emphasized that these
           requirements are general and may not cover all details in specific
           cases. The QF Developer should review project plans with SPPCo.
           before purchasing of installing equipment.

           The abbreviations QF for customer-owned qualified power production
           facility and SPPCo. for Sierra Pacific Power Company will be used for
           the remainder of this standard.

      1.2  QF Definition

           A qualifying facility is one that meets the criteria set forth in
           Subpart 13, Section 202.201-292.207 of the FERC rules.

      1.3  Policy Statements

           - Under provisions of SPPCo. Rule No. 15, in Nevada, and Rule No. 21
             in California, submitted to and approved by the appropriate
             regulatory agency SPPCo. will purchase energy or energy and
             capacity from qualifying facilities.

           - QF generation will be integrated into SPPCo.'s electric system in a
             manner that will not adversely impact the quality of service to
             customers or cause adverse impacts to personnel or existing
             equipment.

           - The QF will be required to operate in a prudent manner that will
             not result in injury to customers of SPPCo. personnel nor cause
             damage to customer or SPPCo. equipment.

--------------------------------------------------------------------------------
        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
               SMALL POWER PRODUCTION          -----------------
[LOGO]    AND COGENERATION FOR GENERATION       1     2.2          SHEET 2 OF 11
              GREATER THAN ONE MEGAWATT                            -------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

                                                                   EXHIBIT L
                                                                   PAGES 3 OF 17

2.0   CONTRACT INFORMATION

      2.1  Initial Contact

           Initial developer contact should be addressed to the Manager of Power
           Contracts Engineering Department at (702) 689-4889. A flow chart
           follows to visually aid the QF Developer in defining coordination
           requirements.

           2.1.1   The QF Developer will be required to submit a written request
                   for a power purchase agreement. A description of the project
                   (resource or fuel, size of unit(s), net generation, and
                   ultimate plant total), the project location (township, range,
                   and section), and any other pertinent data should be
                   included.

           2.1.2   From the information provided by the QF Developer, SPPCo.
                   will provide an estimate of the cost of an interconnection
                   study, the alternative to be studied, and the approximate
                   interconnection __________ of each alternative to be studied.
                   SPPCo. will also provide a draft power purchase agreement, a
                   data sheet to be completed by the QF Developer which supplies
                   project study data, and an information request regarding the
                   project.

           2.1.3   Fill out and return "Data Request For Generator
                   Interconnection" Form.

--------------------------------------------------------------------------------
        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
               SMALL POWER PRODUCTION          -----------------
[LOGO]    AND COGENERATION FOR GENERATION       1     2.2          SHEET 3 OF 11
              GREATER THAN ONE MEGAWATT                            -------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

3.0   INTERCONNECTION AND TRANSIENT STUDY REQUIREMENTS

      The interconnection study, which develops requirements and alternatives
      with supporting cost estimates for the required interface
      facilities, is required for all projects. The transient study is required
      when SPPCo. determines that the size and location of the proposed QF may
      cause conditions detrimental to the electric system.

      3.1  Interconnection Study

           The interconnection study examines the steady state effect that the
           QF generation has on SPPCo.'s system. The study is computer based and
           models the QF's generation in SPPCo.'s transmission system.

           The study will determine the optimum interconnection alternative for
           the QF Developer's project and recommend a system that meets SPPCo.'s
           reliability and quality of service standards with the lowest overall
           cost to the QF Developer.

           The following is a list of the information developed in the
           interconnection study for use by the QF and SPPCo.

           - Analysis of alternatives to determine the least expensive
             connection method that meets SPPCo.'s reliability and quality of
             service standards.

           - Recommended conductor size for the interconnection line determined
             by using the QF Developer's economic data.

           - Recommended step-up transformer cap range, settings, and winding
             configuration.

           - Available fault duty.

           - Recommended BIL ratings.

           - Expected maximum and minimum voltages.

           - Voltage sag and surge for largest motor start and unit drop, and
             define any system modifications to meet SPPCo. sag and surge
             requirements.

           - Additions to SPPCo.'s electric system required to serve QF start-up
             loads.

           - Possible source of construction power.

           - Communications, supervisory control, and telemetering requirements.

           - Metering requirements.

           - Interconnection protection requirements and/or modifications to the
             existing system.

           - Transfer trip requirements (if any).

--------------------------------------------------------------------------------
        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
               SMALL POWER PRODUCTION          -----------------
[LOGO]    AND COGENERATION FOR GENERATION      1      2.2          SHEET 4 OF 11
              GREATER THAN ONE MEGAWATT                            -------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

                                                                   EXHIBIT L
                                                                   PAGES 5 OF 17

           - Frequency and type of utility interruption expected.

           - System reactive requirements.

           - System operation considerations.

           - Special facilities, construction schedule, and equipment lead
             times.

           - Average incremental losses.

           - Potential impacts of QF project on system reliability and quality
             of service to existing QF projects and other customers.

           3.1.1   Attachment 1, Part A is a data sheet detailing the
                   information required to perform the interconnection study.
                   The QF Developer shall ___ the data sheets to sub___ the data
                   required for the study.

      3.2  Transient Study

           High-speed transients can result in degradation of the quality of
           service, equipment damage, and/or potential safety problems.
           Transients are not reviewed in the interconnection study. The
           transient study is performed using a specifically tailored computer
           program to determine the nature of high-speed transients and to
           evaluate the corrective actions necessary to minimize their effects.

           The necessity for a transient study will be determined after the
           preliminary analysis of the interconnection study. The following
           relative criteria increase the necessity for a transient study.

           - Strength of the interconnected system.

           - Location with respect to other customer loads.

           - Probability of isolation of the QF with other loads.

           - Size of the QF generator.

           - Connection of EHV (230 kV and above) system.

           3.2.1   Attachment 1, Part B is a data sheet detailing the
                   information required to perform the transient study. The QF
                   Developer shall utilize the data sheets to submit the data
                   required for the study.

--------------------------------------------------------------------------------
        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
               SMALL POWER PRODUCTION          -----------------
[LOGO]    AND COGENERATION FOR GENERATION        1    2.2          SHEET 5 OF 11
              GREATER THAN ONE MEGAWATT                            -------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

4.0   METERING

      4.1  Metering Location

           Metering of capacity and energy purchased from the QF will normally
           be accomplished at the point of delivery. If point-of-delivery
           metering is not practical, metering may be established at other
           locations. Exact location will be determined on a site-specific
           basis. All metering will be compensated to the point of delivery.

      4.2  CT and PT Location

           The QF Developer shall make provisions in their design to include the
           installation of the metering CTs and PTs by SPPCo. The installation
           will be site specific with design approval by SPPCo. The CTs and PTs
           shall be located such that there are no taps prior to their location
           in the circuit when viewed from the SPPCo. system. The CTs and PTs
           will be metering class and will be used for revenue metering only. No
           customer-owned metering and relaying will be allowed in the metering
           circuits.

      4.3  Metering Provisions

           The metering will be confined to a separate enclosure/cubicle that
           is locked and/or sealed by SPPCo. All metering installations shall
           comply with SPPCo.'s metering standard as detailed in SPPCo.'s
           Standard Volume 2.

           SPPCo. will specify, procure, and install the metering current
           transformers (CTs), potential transformers (PTs), and meter(s).

--------------------------------------------------------------------------------
        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
               SMALL POWER PRODUCTION          -----------------
[LOGO]    AND COGENERATION FOR GENERATION        1    2.2          SHEET 6 OF 11
              GREATER THAN ONE MEGAWATT                            -------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

                                                                   EXHIBIT L
                                                                   PAGES 7 OF 17

5.0   DESIGN REQUIREMENTS AND SPECIFICATIONS

      5.1  Interconnection Facility

           SPPCo. will design, procure, and construct at the QF Developer's
           expense an interconnection facility (Point of Delivery), separate
           from the QF, that will isolate the generation from SPPCo.'s system
           when required.

           This facility is not intended to protect the QF Developer's
           generation. SPPCo. recommends consulting the generator manufacturer
           and/or engaging the services of a registered electrical engineer for
           the design of the generator unit protection schemes. Generator unit
           protection is the sole responsibility of the QF Developer.

           Location, ownership, control, and maintenance will be defined in the
           Power Purchase and Facilities contracts.

           5.1.1   Facility Components

                   The interconnection facility, as a minimum, will consist of a
                   control building, the interrupting and isolating device(s),
                   protective control devices, and data-acquisition equipment.
                   All the above will be enclosed in a fenced yard with
                   restricted access. SPPCo. Standard GI0005T presents the
                   minimum-design specifications for substation interconnection
                   facilities. GI0005T supplements the following requirements:

                   5.1.1.1   The control building will be temperature controlled
                             and weatherproof to enclose the AC and DC power
                             sources; the relaying devices; and the
                             telemetering, supervisory RTU, and communication
                             equipment.

                   5.1.1.2   The interrupting device will be a power circuit
                             breaker capable of interrupting maximum available
                             fault current or industry-standard minimum levels,
                             whichever is greater. It shall be connected for
                             SPPCo. supervisory control.

                             If the addition of a line tap and extension to the
                             QF's generation adds any appreciable exposure to
                             the existing transmission/distribution facilities,
                             additional circuit breaker(s) may be required at
                             the tap point to mitigate this exposure.

                             Air-break switches will be installed on each side
                             of the circuit breaker to isolate the breaker for
                             inspection and maintenance purposes. Single-breaker
                             schemes will not include bypass provisions. Where
                             lines terminate on switches, ground blades will be
                             required.

                   5.1.1.3   The following protective relays will be installed
                             at the interconnection point (minimum requirement).
                             Typical settings required by SPPCo. are defined
                             below. Sierra will

--------------------------------------------------------------------------------
        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
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[LOGO]    AND COGENERATION FOR GENERATION        1    2.2          SHEET 7 OF 11
              GREATER THAN ONE MEGAWATT                            -------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

                             provide site-specific settings prior to
                             interconnection testing.

                             - Phase and Neutral Overcurrent Relays.

                             - Over/Undervoltage Relays.

                             - Over/Undervoltage protection will be set to pick
                               up at 111 percent of nominal with a definite
                               time to trip of 3.0 seconds. In addition, the
                               high-speed (0.15 second) trip will be initiated
                               if the voltage at the interconnection exceeds 115
                               percent of nominal.

                             - Over/Underfrequency Relays.

                               Underfrequency protection will typically be set
                               at 58.0 Hz with a time delay of 15 seconds to
                               coordinate with the SPPCo. underfrequency load
                               shedding scheme. The turbine-generator supplied
                               by the QF Developer should be designed to operate
                               at 58.0 Hz for 15 seconds without any loss of
                               life.

                               Overfrequency protection will be set to trip at
                               61 Hz in three seconds and at 63 Hz in 0.15
                               seconds.

                             - Negative Sequence Relay (Loss of Phase).

                               This relay will be set to detect loss of one
                               phase with a generator output down to 20 percent.
                               Tripping time will be dependent upon what other
                               devices must be coordinated with, but a typical
                               value would be three-five seconds.

                             - Synch-Check Relay.

                               The relay will prevent the circuit breaker from
                               operation under excessive phase-angle differences
                               and it will limit torques on the QF generator
                               that could damage equipment.

                               Disclaimer - The interconnection protection and
                               settings outlined above are not to be construed
                               as protection of the QF turbine generator.
                               Additional supplementary protection may be
                               required.

                   5.1.1.4     A Supervisory Remote Terminal Unit will be
                               installed at the interconnection facility with
                               the necessary interface to connect it to SPPCo.'s
                               communications system. This system will provide
                               telemetering and control.

--------------------------------------------------------------------------------
        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
               SMALL POWER PRODUCTION          -----------------
[LOGO]    AND COGENERATION FOR GENERATION        1    2.2          SHEET 8 OF 11
              GREATER THAN ONE MEGAWATT                            -------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

                                                                   EXHIBIT L
                                                                   PAGES 9 OF 17

                   The following information will be remotely monitored with the
                   telemetering equipment:

                             - Watts In/Out
                             - Vars In/Out
                             - Amps
                             - KWHr and KVarHr
                             - Line Voltage at Interconnection
                             - Interconnection Breaker Status/Control

      5.2  SPPCo. System Modifications Required to Support the QF

           In addition to the above requirements, replacement or upgrade of
           existing protective devices(s) at other locations may be necessary as
           a result of the addition of QF generation. This may include breakers,
           relays, controls, and other protective devices.

           Should the QF's generation have the potential to be isolated with a
           portion of the SPPCo. system such that the connected load is less
           than or equal to the output of the generator, additional protection
           may be required. This protection may consist of additional relaying
           or may entail the design of a complete remedial-action scheme
           utilizing transfer tripping or some other method to minimize
           potential adverse effects caused by the QF. Transient study results
           will dictate the extent of additional protection requirements or
           operating restrictions.

      5.3  Extension Line

           If ownership, by SPPCo., of the extension line is contemplated by the
           QF Developer, the line must be constructed such that it complies with
           SPPCo.'s design, construction, and material standards. In addition,
           all right-of-way and permits will be reviewed and approved by SPPCo.

           The extension line (transmission or distribution) design will be
           submitted by SPPCo. for review to ensure that the proposed
           installation meets the minimum requirements as specified by SPPCo.
           SPPCo. Standard GI0001T defines the minimum design standards for
           transmission lines, and SPPCo. Standard GEN01T defines the minimum
           standards for distribution lines.

      5.4  Customer Design Requirements

           This section provides the minimum requirements that the QF Developer
           must meet for major equipment, design review, and design
           responsibility.

           5.4.1   Codes - The QF Developer's installation must meet all
                   applicable national, state, and local building and safety
                   codes. In addition, installations shall comply with the
                   National Electric Code, National Electric Safety Code (ANSI
                   C2), and ANSI, IEEE, and NEMA standards for electrical
                   materials and equipment.

--------------------------------------------------------------------------------
        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
               SMALL POWER PRODUCTION          -----------------
[LOGO]    AND COGENERATION FOR GENERATION        1    2.2          SHEET 9 OF 11
              GREATER THAN ONE MEGAWATT                            -------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

           5.4.2   Major Equipment Requirements

                   5.4.2.1   Synchronous Generation - Units or groups of smaller
                             units in one location with individual or total
                             aggregate capacity greater than 1 MW must use
                             synchronous generators, with speed-droop governors
                             and high-speed excitation systems. Individual units
                             should have a minimum operating capability of .90
                             lagging to 95 leading power factor at rated real
                             power output. At times SPPCo. may require direct or
                             indirect voltage or power factor control of these
                             units to maintain acceptable system operation.

                             Exception:

                             Units or groups of units connected directly to the
                             distribution system (SPPCo.'s 25 kV or below
                             electrical system) must be reviewed for safety,
                             security, and transient response associated with
                             islanding conditions. This review may dictate a
                             requirement for induction rather than synchronous
                             generation. SPPCo. will specify induction or
                             synchronous generation in these cases subsequent to
                             the interconnection/transient studies.

                             5.4.2.1.1  Individual generators 1 MW or larger are
                                        required to have speed-droop governors
                                        with a permanent droop setting of 5%.
                                        While synchronized to SPPCo.'s
                                        electrical system, the governor will
                                        operate in droop mode and shall not be
                                        blocked without prior permission from
                                        SPPCo. Separate generation controllers
                                        will have to be reviewed and approved
                                        before the unit will be allowed to go
                                        into service.

                             5.4.2.1.2  Individual generators 1 MW or larger
                                        should have excitation systems with
                                        operational, continuously acting (IEEE
                                        Def. 2.12.1), automatic voltage
                                        regulators. Voltage regulators shall not
                                        be left in non-automatic operation
                                        without prior permission from SPPCo. The
                                        voltage response ratio (IEEE Def. 3.18
                                        and 3.21) of said systems are required
                                        to be .5 or greater. The facility
                                        developer/owner must supply SPPCo. with
                                        test results documenting the response
                                        ratio performance. SPPCo. reserves the
                                        right to determine on an individual
                                        basis, whether a generators excitation
                                        system is acceptable.

                             5.4.2.1.3  Individual generators 1 MW or larger may
                                        be required to have a power factor
                                        regulator. Determination of this
                                        requirement will be performed by SPPCo.

--------------------------------------------------------------------------------
        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
               SMALL POWER PRODUCTION          -----------------
[LOGO]    AND COGENERATION FOR GENERATION        1    2.2         SHEET 10 OF 12
              GREATER THAN ONE MEGAWATT                           --------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

                                                                  EXHIBIT L
                                                                  PAGES 11 OF 17

                             5.4.2.1.4  Individual generators with a capacity
                                        less than 75 MW may be required to have
                                        power system stabilizers installed with
                                        their excitation systems. The
                                        determination will be performed by
                                        SPPCo. and will be dependent on the
                                        location of the facility, excitation
                                        system type and performance relative to
                                        SPPCo.'s electrical network.

                             5.4.2.1.5  Individual generators 75 MW or larger
                                        are required to have power system
                                        stabilizers (PSS) installed with their
                                        excitation systems. The PSS must be
                                        calibrated and operated in accordance
                                        with Western Systems Coordinating
                                        Council (WSCC) standard procedures for
                                        calibration, testing, and operation of
                                        PSS equipment. In addition, the
                                        calibration and test reports must be
                                        submitted to SPPCo.'s Transmission
                                        Planning Department for review and
                                        approval. The facility will not be
                                        considered operational until calibration
                                        of the PSS has been performed to
                                        SPPCo.'s satisfaction. A copy of the
                                        WSCC Power System Stabilizer Test
                                        Procedures may be obtained from SPPCo.

                   5.4.2.2   Power Transformer - All step-up power transformers
                             connected to SPPCo.'s system must have a grounded
                             wye high-voltage winding. It is recommended that
                             the low-voltage winding (generator side) of the
                             step-up transformer be a delta connection. The
                             nominal voltage ratings (high side and BIL) must be
                             compatible with the system voltages on the line to
                             which it is attached. Where low-side metering will
                             be utilized, certified test results detailing the
                             losses of the transformer must be provided to
                             SPPCo.

           5.4.3   It is the responsibility of the QF Developer to incorporate
                   the following information into the design of their
                   generation facility. The QF Developer should not limit their
                   design to only these items.

                   5.4.3.1   Full Load Rejection - The QF Developer's generation
                             facility must be designed with the capability or
                             protection to withstand sudden loss of load.

                   5.4.3.2   Primary Voltage Changes - The generator exciter
                             system and voltage regulation equipment on
                             synchronous generators must be capable of operating
                             subject to normal primary voltage changes on
                             SPPCo.'s system ranging from 7.5 percent above or
                             below nominal primary voltage to +/-10 percent
                             during emergency conditions. During a disturbance,
                             the voltage may fluctuate beyond the 10 percent
                             range. Equipment that is not capable of
                             withstanding these excursions should be protected.

--------------------------------------------------------------------------------
        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
               SMALL POWER PRODUCTION          -----------------
[LOGO]    AND COGENERATION FOR GENERATION        1    2.2         SHEET 11 OF 12
              GREATER THAN ONE MEGAWATT                           --------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

                   5.4.3.3   Harmonics - The QF Developer's generation facility
                             shall not cause unacceptable distortion of the
                             sinusoidal voltage or current wave form. The
                             maximum allowable total harmonic voltage (all
                             harmonics) and current distortion cannot exceed the
                             values published in IEEE Standard 519.

                   5.4.3.4   Voltage Sag - Motor starting and switching
                             operations are limited so that the momentary
                             voltage sag (flicker) during motor starting or
                             switching does not exceed 4 percent of the nominal
                             system voltage for any other customers.

      5.5  Proposed Design Review

           The QF Developer shall submit, for SPPCo.'s review, a generation
           facility one-line diagram, approved by a registered professional
           engineer, indicating the QF's protective devices and their functions.
           Current and potential transformer ratios must be included on the
           on-line diagram when required. In addition, protective device types,
           styles, and settings must be provided. The review is intended to
           ensure that the proposed installation meets the minimum requirements
           to protect SPPCo's system from misoperations of the generating unit.
           SPPCo. reserves the right to require additional protective equipment
           and safety measure as further experience may dictate.

      5.6  Synchronizing Equipment

           Synchronizing equipment is required for synchronous generators at the
           interconnection, generator, and other breakers as necessary. The
           generator must be brought on-line parallel to SPPCo.'s system by one
           of the following methods:

           5.6.1   Automatic synchronizing.

           5.6.2   Manual synchronizing - A synch-check ralay is required to
                   supervise manual closing of the generator circuit breaker.

      5.7  QF Telephone requirements

           The QF Developer is required to install a telephone for direct
           communication with SPPCo.'s Electric System Control Center (ESCC).
           The telephone communication between the QF and ESCC shall be delay
           free.

66:014

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        ENGINEERING & CONSTRUCTION STANDARD    VOL | SECT | PAGE
               SMALL POWER PRODUCTION          -----------------
[LOGO]    AND COGENERATION FOR GENERATION        1    2.2         SHEET 12 OF 12
              GREATER THAN ONE MEGAWATT                           --------------
                                                                    DRAWING NO.
              SIERRA PACIFIC POWER CO.                               2.2GNO2
--------------------------------------------------------------------------------

                                                                  EXHIBIT L
                                                                  PAGES 13 OF 17
[LOGO]
                   DATA REQUEST FOR GENERATOR INTERCONNECTION

NOTE:      FOR VALUES GIVEN IN PER UNIT, PLEASE INCLUDE BASES.
           IF THERE ARE ANY PROBLEMS OR IF THERE IS ANY CONFUSION WITH THE
           FOLLOWING FORM(S), PLEASE CONTACT SPPCo.'s TRANSMISSION PLANNING
           DEPARTMENT.

      1.   A RANGE AND TOWNSHIP SITE MAP OF THE PLANNED FACILITIES WITH THE
           TURBINE/GENERATOR STEP UP TRANSFORMER AND SUBSTATION IDENTIFIED.
           (PLEASE ATTACH)

      2.   A ONE-LINE DIAGRAM OF THE PLANNED GENERATION FACILITIES. (PLEASE
           ATTACH) THE ONE-LINE DIAGRAM SHOULD INCLUDE:

               A.  TRANSMISSION/DISTRIBUTION LINES(S)
               B.  GENERATORS
               C.  TRANSFORMERS
               D.  MOTORS
               E.  BREAKERS
               F.  FUSES
               G.  LIGHTNING ARRESTORS
               H.  DISCONNECT SWITCHES
               I.  POWER FACTOR CORRECTION EQUIPMENT (IE CAPACITORS/REACTORS)
               J.  STATION SERVICE LOADS
               K.  OTHER SPECIAL DEVICES

      3.   A CONSTRUCTION SCHEDULE WITH CONSTRUCTION POWER, START-UP POWER, AND
           FULL LOAD TESTING DATES IDENTIFIED (IF A MORE DETAILED SCHEDULE IS
           AVAILABLE PLEASE ATTACH)

           DESCRIPTION                                     DATE
           -----------                                     ----

           START CONSTRUCTION                          ____/____/____
           CONSTRUCTION COMPLETE                       ____/____/____
           START-UP, BEGIN FULL-LOAD TESTING           ____/____/____
           FULL-LOAD TESTING COMPLETE                  ____/____/____

      4.   AN ESTIMATED ON-LINE DATE AND THE TOTAL FUTURE CAPACITY FOR ANY
           ADDITIONAL GENERATION ADDED AT THE INITIAL SITE

                 SIZE                                   ON-LINE DATE
                 ----                                   ------------

                     MW                                ____/____/____
                     MW                                ____/____/____
                     MW                                ____/____/____

      5.   TURBINE/GENERATOR DATA: (INFORMATION SHOULD BE PROVIDED FOR EACH
           GENERATOR.) GENERATORS MUST BE SYNCHRONOUS IF AGGREGATE GENERATION IS
           1 MW OR GREATER.)

                                                              UNIT #1   UNIT #2   UNIT #3 (ETC)
                                                              -------   -------   -------------

      A.   TYPE OF GENERATING UNIT
           (IE INDUCTION OR SYNCHRONOUS)                      _______   _______      _______
           MANUFACTURER                                       _______   _______      _______
           EXCITATION SYSTEM TYPE -                           _______   _______      _______

      B.   RATED MVA -                                        _______   _______      _______

      C.   MAXIMUM GROSS OUTPUT (MW) -                        _______   _______      _______

      D.   RATED LEADING POWER FACTOR -                       _______   _______      _______
           RATED LAGGING POWER FACTOR -                       _______   _______      _______

      E.   NOMINAL VOLTAGE AND ACCEPTABLE
           VOLTAGE RANGE (VOLTS +/-%) -                       _______   _______      _______

      F.   ESTIMATED LOAD FACTOR, NUMBER OF
           HOURS/YEAR OF OPERATION, OR MWH/YEAR -             _______   _______      _______

      G.   STABILITY DATA:
           1. INERTIA OF TURBINE/GENERATOR (MW-SEC) -         _______   _______      _______

           2. TRANSIENT DIRECT AXIS REACTANCE (PU) -          _______   _______      _______

           3. EXCITATION SYSTEM DATA (SEE NOTE 1)
              (PLEASE ATTACH)

           4. GOVENOR DATA (SEE NOTE 1 PLEASE ATTACH)

NOTE 1:    THIS INFORMATION MAY NOT BE REQUIRED FOR AN INTERCONNECTION STUDY,
           BUT WILL BE REQUIRED BEFORE THE ACTUAL OPERATION OF THE UNIT.

      6.   STEP-UP TRANSFORMER DATA:
           (INFORMATION SHOULD BE PROVIDED FOR EACH TRANSFORMER. STEP-UP
           TRANSFORMER MUST BE GROUNDED WYE ON THE HIGH VOLTAGE WINDING.)

                                                               XFMR #1   XFMR #2   XFMR #3 (ETC)
                                                               -------   -------   -------------

      A.   SELF-COOLED AND TOP MVA RATINGS
           (OR/FOA MVA) -                                      _______   _______     _______

      B.   NOMINAL VOLTAGE RATING (KV) -                       _______   _______     _______
           AVAILABLE TAPS FOR EACH WINDING (+/-%)              _______   _______     _______

      C.   ELECTRICAL CONFIGURATION OF EACH WINDING
           (DELTA OR WYE):
           1.  HIGH SIDE WINDING -                             _______   _______     _______
           2.  LOW SIDE WINDING -                              _______   _______     _______

           IMPEDANCE ON THE OA BASE (%) -                      _______   _______     _______

     7. AUXILIARY LOAD DATA:

      A.   MINIMUM LOAD AND POWER FACTOR; IE DURING PLANT SHUTDOWN WITH
           MINIMUM FACILITIES OPERATING (KW & PF) -

      B.   MINIMUM LOAD DURING
           START-UP (KW) -

      C.   MAXIMUM LOAD AND POWER FACTOR DURING NORMAL OPERATION (KW
           & PF)
               1. ONE UNIT OPERATING -
               2. TWO UNIT OPERATING -
               3. ETC.

      D.   LARGEST MOTOR TO BE STARTED (HP) -
           STARTING METHOD -
           INRUSH KVA AT RATED MOTOR VOLTAGE -

                                                                  EXHIBIT L
                                                                  PAGES 15 OF 17

    TRANSIENT STUDY DATA REQUIRED FOR A GENERATION INTERCONNECTION TRANSIENT
STUDY

NOTE:      ITEMS ARE CONSIDERED MANDATORY.
           IGNORE ANY ITEMS FOR WHICH THE DATA HAS PREVIOUSLY BEEN SUPPLIED.
           FOR VALUES GIVEN IN PER UNIT, PLEASE INCLUDE BASES.

     1.    TRANSMISSION/DISTRIBUTION LINE DATA:
           A. KV LINE-TO-LINE
           B. LINE LENGTH (S)(MI)
           C. CONDUCTOR TYPE(S)
           D. NEUTRAL TYPE(S)
           E. NEUTRAL GROUNDING CONFIGURATION
           F. LINE STRUCTURE TYPE(S) (CONFIGURATION OF CONDUCTORS AND NEUTRAL
              WITH HEIGHT ABOVE GROUND AND SPACINGS DENOTED.)

                                                                   XFMR #1          XFMR #2        XFMR #3 (ETC)
                                                                   -------          -------        -------------

     2.    TRANSFORMER DATA:

           A. PRIMARY/SECONDARY/TERTIARY MVA RATINGS           ____/____/____   ____/____/____    ____/____/____
           B. PRIMARY/SECONDARY/TERTIARY VOLTAGE RATINGS       ____/____/____   ____/____/____    ____/____/____
           C. PRIMARY/SECONDARY/TERTIARY TAPS)
              (NOTE INTENDED OPERATIONAL TAPS)                 ____/____/____   ____/____/____    ____/____/____
           D. WINDING CONNECTION DIAGRAMS (PLEASE ATTACH)
           E. BIL RATINGS (KV)                                     ______          ______             ______
           F. IMPEDANCE ON THE OA BASE (%)                         ______          ______             ______

     3.    CAPACITOR/REACTOR DATA:

           A. TYPE
           B. RATED KVA
           C. RATED KV
           D. IMPEDANCE (%)

     4.    STATION SERVICE LOAD DATA:

           A. TYPES OF LOADS AND KVA
           B. TOTAL OPERATIONAL LOAD KVA AND POWER FACTOR:
               1. NORMAL
               2. MAXIMUM
               3. MINIMUM

     5.    LIGHTING ARRESTOR DATA: (PROVIDE INFORMATION FOR ALL ARRESTORS IE
           LINE AND TRANSFORMER

           A. MANUFACTURER
           B. TYPE
           C. VOLTAGE RATINGS

     6.    INDUCTION GENERATOR DATA:

                                                              UNIT #1   UNIT #2   UNIT #3 (ETC)
                                                              -------   -------   -------------

      A.   FULL LOAD CURRENT                                  _______   _______     _______
      B.   POWER FACTOR                                       _______   _______     _______
      C.   SLIP OR SPEED AT FULL LOAD                         _______   _______     _______
      D.   LOCKED ROTOR CURRENT AT 100% VOLTAGE               _______   _______     _______
      E.   LOCKED ROTOR POWER FACTOR                          _______   _______     _______
      F.   ELECTRICAL TORQUE AND CURRENT VERSUS SPEED
           CURVE FROM 0% TO 100% SPEED                        _______   _______     _______
      G.   MOMENT OF INERTIA (WR2) OF THE GENERATOR AND
           TURBINE (GEARCASE ALSO IF USED)                    _______   _______     _______
      H.   GOVERNOR SYSTEM MODEL WITH PARAMETERS              _______   _______     _______
      I.   PRIME MOVER SYSTEM MODEL WITH PARAMETERS           _______   _______     _______

     7.    SIERRA/WSCC FULL REPRESENTATION
           SYNCHRONOUS GENERATOR DATE:

                                                              UNIT #1   UNIT #2   UNIT #3 (ETC)
                                                              -------   -------   -------------
      A.   GENERATOR DATA:
           1.  BASE KVA                                       _______   _______     _______
           2.  MAXIMUM KW                                     _______   _______     _______
           3.  MINIMUM KW                                     _______   _______     _______
           4.  TERMINAL VOLTAGE (KV)                          _______   _______     _______
           5.  RATED POWER FACTOR                             _______   _______     _______
           6.  DIRECT-AXIS SUBTRANSIENT REACTANCE, X"D
               (PU)                                           _______   _______     _______
           7.  QUADRATURE-AXIS SUBTRANSIENT
               (PU) REACTANCE X"O (PU)                        _______   _______     _______
           8.  DIRECT-AXIS SUBTRANSIENT OPEN CIRCUIT
               TIME CONSTANT, T"DO (SEC)                      _______   _______     _______
           9.  QUADRATURE-AXIS SUBTRANSIENT OPEN
               CIRCUIT TIME CONSTANT, T"OO (SEC)              _______   _______     _______
           10. KINETIC ENERGY, EMWS                           _______   _______     _______
           11. ARMATURE RESISTANCE, RA (PU)                   _______   _______     _______
           12. DIRECT-AXIS TRANSIENT REACTANCE, X"D (PU)      _______   _______     _______
           13. QUADRATURE-AXIS TRANSIENT REACTANCE
               X"O (PU)                                       _______   _______     _______
           14. DIRECT-AXIS NON-SATURATED
               SYNCHRONOUS REACTANCE, XD (PU)                 _______   _______     _______
           15. QUADRATURE-AXIS NON-SATURATED
               SYNCHRONOUS REACTANCE, XO (PU)                 _______   _______     _______
           16. DIRECT-AXIS TRANSIENT OPEN CIRCUIT TIME
               CONSTANT, T"OO (SEC)                           _______   _______     _______
           17. QUADRATURE-AXIS TRANSIENT OPEN CIRCUIT
               TIME CONSTANT, T"OO (SEC)                      _______   _______     _______
           18. STATOR LEAKAGE REACTANCE, XL (PU)              _______   _______     _______
           19. SATURATINO AT 1.0 P.U. TERMINAL
               VOLTAGE SG1.0                                 _______   _______     _______
           20. SATURATION AT 1.2 P.U. TERMINAL
               VOLTANGE SG1.2                                _______   _______     _______

                                                              UNIT #1   UNIT #2   UNIT #3 (ETC)
                                                              -------   -------   -------------

      B.   EXCITER DATA

           1.  VOLTAGE REGULATOR GAIN, KA                     _______   _______     _______
           2.  VOLTAGE REGULATOR LAG TIME CONSTANT,
               TA (SEC)                                       _______   _______     _______
           3.  MAXIMUM VOLTAGE REGULATOR OUTPUT,
               VRMAX (PU)                                     _______   _______     _______
           4.  MINIMUM VOLTAGE REGULATOR OUTPUT,
               VRM (PU)                                       _______   _______     _______
           5.  EXCITER CONSTANT RELATED TO SELF-EXCITER
               FIELD, KE (PU)                                 _______   _______     _______
           6.  EXCITER TIME CONSTANT, TE (SEC)                _______   _______     _______
           7.  EXCITER SATURATION AT MAXIMUM FIELD
               VOLTAGE SE1 (PU)                               _______   _______     _______
           8.  EXCITER SATURATION AT 75% MAXIMUM FIELD
               VOLTAGE, SE2 (PU)                              _______   _______     _______
           9.  MINIMUM EXCITER OUTPUT VOLTAGE, EFDMIN
               (PU)                                           _______   _______     _______
           10. MAXIMUM FIELD VOLTAGE, EFDMAX (PU)             _______   _______     _______
           11. ANALYTICAL BLOCK DIAGRAM WITH TRANSFER
               FUNCTIONS AND ASSOCIATED CONSTANTS
                A. EXCITER GAIN CONSTANTS                     _______   _______     _______
                B. EXCITER TIME CONSTANTS (SEC)               _______   _______     _______

      C.   GOVERNOR/TURBINE DATA:

           1.  MAXIMUM POWER OUTPUT OF TURBINE (MW)           _______   _______     _______
           2.  STEADY-STATE DROOP                             _______   _______     _______
           3.  MAXIMUM VALVE OPENING VELOCITY (/SEC)          _______   _______     _______
           4.  MAXIMUM VALVE CLOSING VELOCITY (/SEC)          _______   _______     _______
           5.  ANALYTICAL BLOCK DIAGRAM WITH TRANSFER
               FUNCTIONS AND ASSOCIATED CONSTANTS:
                A. GOVERNOR TIME CONSTANTS (SEC)              _______   _______     _______
                B. TURBINE TIME CONSTANTS (SEC)               _______   _______     _______
                C. TURBINE GAIN CONSTANTS                     _______   _______     _______

                                    EXHIBIT M

                   FACILITY WIRING DIAGRAM AND SPECIFICATIONS

                TO BE ATTACHED PRIOR TO DELIVERY OF ANY CAPACITY
                        AND ENERGY FROM SELLER TO SIERRA

                                    EXHIBIT N

                          FINAL INTERCONNECTION DRAWING

                     TO BE ATTACHED PRIOR TO DELIVERY OF ANY
                    CAPACITY AND ENERGY FROM SELLER TO SIERRA

                                                                       Exhibit O
                                                                          Page 1

Item    Date        Milestone                 Standard                         Documentation
----    ----        ---------                 --------                         -------------

No. 1   3/1/91      Resource exploration      Geophysical or geological        Provide documentation by a
                                              exploration data on the          qualified professional of
                                              geothermal resource              the actual resource
                                                                               exploration work completed
                                                                               and the associated data.

No. 2   1/1/92      Receive UEPA permit       Order from Public Service        Provide notice of verbal
                    approval from the         Commission of Nevada             approval by the Public
                    Public Service            granting the Project rights      Service Commission of Nevada
                    Commission of Nevada      for construction                 for UEPA permit, followed
                                                                               with the written decisions
                                                                               from the agenda hearing
                                                                               where the approval was made

No. 3   2/1/92      Completion of testing     Complete the drilling &          Provide Sierra with the data
                    of initial production     testing of the initial           from the well test, which
                    well(s) to be used for    production well(s), which        test is performed by
                    the Project               shall deliver hot water at       qualified professionals,
                                              not less than 796,000 pounds     which indicates delivery of
                                              per hour and a temperature       hot water of quality and
                                              of not less than 325             quantity as indicated
                                              degrees F for a test period
                                              of 48 continuous hours or
                                              until stabilization occurs.
                                              Stabilization shall be
                                              considered met when the flow
                                              rate and temperature at the
                                              end of any 8-hour continuous
                                              period shall not be
                                              considerably less than the
                                              first hour of the 8-hour
                                              period.

No. 4   9/1/91      Issue purchase order      Purchase order with vendor       Provide Sierra with a copy
                    for the turbine           indicating requisition of        of purchase order from
                    generators                turbine/generator sets           vendor with a specified
                                                                               delivery date

No. 5   2/1/92      Begin pouring of          Complete preparation of          Provide documentation by a
                    turbine/generator         turbine/generator foundation     qualified professional that
                    foundations               and begin pouring of             the foundation is prepared
                                              concrete for mounting of         and that concrete pouring
                                              turbine/generator sets           has begun

No. 6   6/1/92      Delivery of               Receipt of turbine/generator     Provide documentation that
                    turbine/generators to     sets from vendor delivered       the turbine/generator sets
                    the plant site of the     to plant site                    have been delivered to plant
                    Project                                                    site

No. 7   8/15/92     Complete installation     Complete mounting of             Provide documentation from a
                    of turbine/generators     turbine/generator sets on        qualified professional that
                                              foundation                       the turbine/generators have
                                                                               been mounted and set on the
                                                                               foundation

                                                                       Exhibit O
                                                                          Page 2

Item    Date        Milestone                 Standard                         Documentation
----    ----        ---------                 --------                         -------------

No. 8   8/1/92      Completion of well        Complete the drilling of all     Provide Sierra with the data
                    drilling for all wells    production and injection         from the well tests, which
                    to be used for the        wells, which shall deliver       tests are performed by
                    Project                   hot water of not less than       qualified professionals,
                                              3,184,000 pounds per hour        which indicates the delivery
                                              and a temperature of not         of hot water of quality and
                                              less than 325 degrees F, and     quantity as indicated and
                                              shall be capable of              capability of injection of
                                              injecting all fluids             all production fluids from
                                              produced by the production       the Project
                                              wells

No. 9   9/1/92      Commence the thirty       Begin thirty day shakedown       Provide notice to Sierra
                    day shakedown period      period pursuant to Section 7     pursuant to Section 7 of the
                    as described in           of the Agreement                 Agreement that the shakedown
                    Section 7 of the                                           period has begun
                    Agreement

No. 10  11/1/92     Achieve a Commercial      Perform 100-hour test pursuant   Provide notice to Sierra
                    Operation Date pursuant   to Section 7 of the              pursuant to Section 7 of the
                    to Section 7 of the       Agreement & establish a          Agreement that the
                    Agreement                 Commercial Operation date        Commercial Operation date
                                                                               has been established

(1)   Calculated as: 120% of the hot water number provided in Section 9(b)
      divided by 4 (4 is the total number of ______ proposed).

(2)   Calculated as: 120% of the hot water number provided in Section 9(b).

(3)   These numbers shall correspond to the numbers provided in Section 9(b).

                                                                       EXHIBIT P

                           SEMI-ANNUAL PROJECT REPORT

Monthly Data: Required for production and injection wells.

      Total production to plant (lbs/hr)_________________
      Total plant output (kWh)_________________
      Pressure at inlet________________________
      Temperature at inlet_____________________

Daily data from Production well:

 a)   Flowing/pumping:

      Steam_________________
      Water_________________
      Well head pressure_______________________
      Well head temperature____________________
      Operating time___________________________

 b)   Static:

      Shut-in pressure or fluid levels___________________
      Shut-in temperature______________________

Daily data from Injection well:

      Temperature________________
      Rate_______________________
      Pressure___________________

Daily data from any observation well(s):

Downhole pressure at the production level_________________
      Fluid Level________________

Following data record as it happens:

                        What and When Occurred         Cost (Repair)
Plant outage            ______________________         _____________
Unit outage             ______________________         _____________
Equipment failures      ______________________         _____________
Scale removal           ______________________         _____________

Any fluid chemistry data from any well (s) (gas content, gas composition, liquid
composition)

Future Data

- Plans to drill any type of well _________________
- Plans for descaling _____________________________
- Plant modification and refurbishments ___________
- Any modification of plant _______________________

                                                                       EXHIBIT Q

                  SAMPLE LIQUIDATED DAMAGES CALCULATIONS (12MW)

This example is for purposes of illustrating billing pursuant to the provisions
of Section 6 (b) utilizing the rate schedule contained in this Agreement only,
and does not supplement or amend the Terms of the Agreement to which it is
attached.

For the first three Contract Years:

      Exhibit B values shall be used as part of the calculation for capacity
payment and the capacity rate used for billing purposes would be 100% of the
value specified in Exhibit D.

Beginning in the fourth Contract Year:

      The previous three year Peak Period Capacity value average was 85%. The
capacity rate used for billing purposes for the fourth year would be 85% of the
value specified in Exhibit D.

Beginning in the fifth Contract Year:

      The previous three year Peak Period Capacity value average is 79% of the
average Peak Period Capacity value specified in Exhibit B. The liquidated
damages amount paid to Sierra shall be $1,000,000 adjusted by the GNPD to the
current year. Each Peak Period Capacity value in Exhibit B would be revised to
the average Peak Period Capacity value for that billing period in the previous
three year period. Those numbers are shown as the new Exhibit B values in the
sample calculation table.

The new Exhibit B values shall be used as part of the calculation for capacity
payment and the capacity rate used for billing purposes for the fifth year would
be 100% of the value specified in Exhibit D.

Beginning in the sixth Contract Year:

      The previous three year Peak Period Capacity value average was 91%. The
capacity rate used for billing purposes for the sixth year would be 91% of the
value specified in Exhibit D.

Beginning in the seventh Contract Year:

      The previous three year Peak Period Capacity value average was 88%. The
capacity rate used for billing purposes for the seventh year would be 88% of the
value specified in Exhibit D.

                  SAMPLE LIQUIDATED DAMAGES CACULATIONS (12MW)

                JAN      FEB      MAR     APR     MAY     JUNE   JULY    AUG    SEPT     OCT      NOV     DEC   ANNUAL    %

EXHIBIT B       13400    13350   13170   13050   12830    9950   9140    9140   10140   13110    13260   13460   12000   100

FIRST YEAR      11390    11348   11195   11093   10906    8458   7769    7769    8619   11144    11271   11441   10200    85

2ND YEAR        11390    11348   11195   11093   10906    8458   7769    7769    8619   11144    11271   11441   10200    85

3RD YEAR        11390    11348   11195   11093   10906    8458   7769    7769    8619   11144    11271   11441   10200    85

4TH YEAR         8978     8945    8824    8744    8596    6667   6124    6124    6794    8784     8884    9018    8040    67

NEW EXHIBIT     10586    10547   10404   10310   10136    7861   7221    7221    8011   10357    10475   10633    9480   100

5TH YEAR         8575     8543    8427    8351    8210    6367   5849    5849    6489    8389     8485    8613    7679    81

6TH YEAR        10480    10441   10300   10206   10034    7782   7148    7148    7930   10253    10371   10527    9385    99

7TH YEAR         9951     9914    9780    9691    9528    7389   6787    6787    7530    9735     9847    9995    8911    94

8TH YEAR         9951     9914    9780    9691    9528    7389   6787    6787    7530    9735     9847    9995    8911    94

1ST 3 YR AVG    10200         PERCENTAGE OF THE EXHIBIT                            85

2ND 3 YR AVG     9480         PERCENTAGE OF THE REVISED EXHIBIT                    79

3RD 3 YR AVG     8640         PERCENTAGE OF THE REVISED EXHIBIT                    91

4TH 3 YR AVG     8368         PERCENTAGE OF THE REVISED EXHIBIT                    88

5TH 3 YR AVG     8658         PERCENTAGE OF THE REVISED EXHIBIT                    91

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