Document:

Exhibit 10.3.30

                                                                          89A.1
                                                                          GE00C3
                                                                        03-02-89
                                                                  EXECUTION COPY

                           PLANT CONNECTION AGREEMENT
                                     FOR THE
                        GEO EAST MESA LIMITED PARTNERSHIP
                                   UNIT NO. 3

                                     BETWEEN

                          IMPERIAL IRRIGATION DISTRICT
                                       AND
                        GEO EAST MESA LIMITED PARTNERSHIP

EXECUTION COPY
03-02-89

                                TABLE OF CONTENTS
                                -----------------

SECTION                                     TITLE                                          PAGE
-------                                     -----                                          ----

1           PARTIES ........................................................................1

2           RECITALS........................................................................1

3           AGREEMENT.......................................................................2

4           DEFINITIONS.....................................................................2

5           EFFECTIVE DATE AND TERM.........................................................3

6           CONNECTION OF PLANT.............................................................3

7           ELECTRIC SERVICE TO PRODUCER....................................................3

8           METERING OF ENERGY DELIVERIES...................................................3

9           PRODUCER'S DELIVERY AND IID ACCEPTANCE
             OF ENERGY FROM PLANT...........................................................3

10          PRODUCER'S GENERAL OBLIGATIONS..................................................4

11          IID'S GENERAL OBLIGATIONS ......................................................5

12          BILLING.........................................................................6

13          AUTHORIZED REPRESENTATIVES......................................................6

14          METERS..........................................................................7

15          CONTINUITY OF SERVICE...........................................................8

16          LIABILITY.......................................................................9

17          UNCONTROLLABLE FORCES..........................................................10

18          INTEGRATION AND AMENDMENTS.....................................................11

19          NON-WAIVER.....................................................................11

20          NO DEDICATION OF FACILITIES ...................................................12

                                       i

21          SUCCESSORS AND ASSIGNS.........................................................12

22          EFFECT OF SECTION HEADINGS.....................................................12

23          GOVERNING LAW..................................................................13

24          ARBITRATION....................................................................13

25          ENTIRE AGREEMENT...............................................................15

26          NOTICES........................................................................15

27          SEVERAL OBLIGATIONS............................................................15

28          SIGNATURE CLAUSE...............................................................16

        ATTACHMENTS
        -----------

        EXHIBIT "A" - RATE SCHEDULES GL AND A2.............................................17

        EXHIBIT "B" - METERING ONE-LINE DIAGRAM............................................21

        EXHIBIT "C" - FUNDING AND CONSTRUCTION
                      AGREEMENT HEBER-MIRAGE
                      TRANSMISSION PROJECT.................................................22

                                       ii

1.  PARTIES

              The parties to this Agreement are IMPERIAL IRRIGATION DISTRICT
("IID"), organized under the Water Code of the State of California and GEO EAST
MESA LIMITED PARTNERSHIP ("Producer"), hereinafter referred to individually as
"Party", and collectively as "Parties".

2.  RECITALS

              2.1 Producer intends to construct and operate, as owner or lessee,
a megawatt generating facility with a maximum 27.5 megawatt net operating
capacity at the East Mesa (KGRA), Imperial County, California, and to sell the
Plant electrical output to Southern California Edison Company ("SCE").

              2.2 SCE has entered into the Power Purchase Agreement dated May
20, 1988, ("Purchase Agreement") with Producer, to purchase all the electrical
output from the Plant.

              2.3 SCE and Producer agree that the terms and conditions regarding
transmission of the Plant's Energy to an IID/SCE point of interconnection shall
be pursuant to a Transmission Service Agreement to be entered into between IID
and Producer.

              2.4   Since the Plant will be built In the IID service territory,
it will be convenient to connect the Plant to the IID electric system.
              Producer hereby grants the IID the right to enter the Plant site
for any reasonable purposes connected with this Agreement, by previous
arrangements with the

Plant manager. Those reasonable purposes include maintenance and repairs to IID
equipment in Producer's facilities, observing tests of said facilities, reading
of kilowatt-hour meters, and the like.

              2.5 Producer desires to purchase and IID desires to sell the
electrical energy necessary to satisfy the operation and maintenance power
consumption requirements of the Plant for the life of the Plant that is not
normally generated by the Plant itself, or portable generating equipment.

              2.6 The Parties desire, by means of this Agreement, to
Interconnect the Plant to the IID electrical system and to establish the terms,
conditions and obligations of the Parties relating to such Interconnection.

3.  AGREEMENT

              The Parties agree as follows:

4.  DEFINITIONS

              4.1 Agreement: This Plant Connection Agreement between IID and
Producer, and all Exhibits hereto, as may be amended from time to time.

              4.2   Authorized Representative:  The representative of a Party
designated in accordance with Section 13.

              4.3   Energy:  Electric energy in excess of Producer's electric
energy requirements, expressed in kilowatt-hours, generated by the Plant and
measured and delivered to the Point of Delivery.

                                       2

              4.4 Funding and Construction Agreement: An agreement entered into
by IID and others dated June 29, 1987, providing for the funding and
construction of the Heber-Mirage Transmission Project, to which a form of this
Agreement is attached as Exhibit C.

              4.5   Operation Date:  The day on which the Plant Energy is first
accepted by IID for delivery to SCE.

              4.6   Plant:  A maximum of 27.5 MW net operating capacity
Geothermal facility operated by Producer, as owner or lessee, including all
associated equipment and improvements necessary for generating electric energy
and transmitting it to the high voltage side of the power transformer.

              4.7 Point of Delivery: The point on the high voltage side of
Producer's switchyard where IID's metering equipment measures the delivery of
Energy to the IID system as shown on Exhibit "5".

              4.8   System Emergency:  A condition on IID's system which is
likely to result in imminent significant disruption of service to customers or
is imminently likely to endanger life or property.

5.  EFFECTIVE DATE AND TERM
    -----------------------

              This Agreement shall become effective upon the Operation Date of
the Plant, and shall remain in effect until the earlier of (i) April 15, 2015,
or (ii) thirty six (36) months from the date the Plant has ceased to operate at
the option of IID. It is understood that (i) if the Completion Date, as the term
Completion Date is defined in Article I of Funding and Construction Agreement
does not occur, or (ii) if the Operation Date does

                                       3

not occur within five (5) years after the date this Agreement was executed, this
Agreement shall be of no force or effect.

6.  CONNECTION OF PLANT
    -------------------

              6.1 Producer may electrically connect its Plant, in accordance
with the provisions of this Agreement, so that it can operate in parallel with
the IID electric system. Parallel operation will not commence until IID has
inspected and approved the interconnection facilities and operational
procedures.

              6.2 Notwithstanding the provision that Producer has furnished the
high voltage switchyard complete, including the high voltage oil circuit
breakers and disconnect switches, the control of the high voltage oil circuit
breakers and disconnect switches shall be under the control of the IID
dispatcher.

7.  ELECTRIC SERVICE TO PRODUCER
    ----------------------------

              IID shall provide electric service to Producer pursuant to
Section 12.

8.  METERING OF ENERGY DELIVERIES
    -----------------------------

              Metering for electric service to Producer and for energy
deliveries by Producer to IID for delivery to SCE shall be at the Point of
Delivery as shown on Exhibit "B." Four meters shall be installed which shall
measure and record flows in each direction as shown on Exhibit "B."

9.  PRODUCER'S DELIVERY AND IID ACCEPTANCE OF ENERGY FROM PLANT
    -----------------------------------------------------------

              Whenever electric output from the Plant exceeds Producer's power
requirements, Producer shall deliver all such excess output to IID for delivery
to SCE and

                                       4

IID shall accept such output for delivery to SCE and deliver such output to SCE
pursuant to a transmission service agreement to be entered into between Producer
and IID.

10.  PRODUCER'S GENERAL OBLIGATIONS
     ------------------------------

              Producer shall:

              10.1  Operate the Plant in a manner consistent with applicable
electric utility industry standards, good engineering practice, and without
degradation of quality or reliability of service to IID customers.

              10.2  Deliver the Plant's net electrical output to IID for the
account of SCE at the Point of Delivery.

              10.3  Each Party shall provide the reactive kilovolt-ampere (KVA)
requirements of its own system so that there will be no interchange of reactive
KVA between systems. The Parties shall cooperate to control the flow of reactive
KVA to prevent the introduction of objectionable operating conditions on the
system of either Party.

              10.4  Coordinate, to the greatest extent practicable, major
overhaul and inspection outages of the Plant with IID.

              10.5  Give IID a written schedule on or before June 1, and
December 1, each year of the estimated amounts and rates of delivery of energy
to be delivered to IID for the account of SCE at the Point of Delivery during
each month of the succeeding twelve-month (12) period commencing July 1, and
January 1.

                                       5

              10.6  Give IID a written schedule on or before the fifteenth
(15th) day of each month of the estimated amounts and rates of delivery of
energy to be delivered to IID for the account of SCE at the Point of Delivery
during each day of the succeeding calendar month.

              10.7  Give IID a schedule on or before 12:01 p.m. on Tuesday of
each seven-day (7) period of the estimated amounts and rates of delivery of
energy to be delivered to IID for the account of SCE at the Point of Delivery
during each hour of the succeeding seven-day (7) period commencing at 12:01 a.m.
on the following Monday; provided, however, that if any changes In the hourly
deliveries so scheduled become necessary, Producer shall notify IID of such
changes as far in advance as possible.

              10.8  Provide IID any reasonable rights-of-way and access required
for testing and reading of meters by previous arrangement with the Plant
manager.

              10.9  Carry out the directions of the Authorized Representatives
with respect to the matters set forth in this Agreement.

11.  IID'S GENERAL OBLIGATIONS
     -------------------------

              IID shall:

              11.1 Design, acquire, construct, operate and maintain, or cause to
be designed, acquired, constructed, operated and maintained, and shall own, a
connecting transmission line between IID's transmission system and the Plant.
Following the completion of such line, IID may bill and Producer shall pay IID's
costs of designing,

                                       6

acquiring and constructing such line. Producer shall have the right to audit
IID's records and accounts to verify the cost of such line.

              11.2 Accept the Plant's net electrical output for the account of
SCE at the Point of Delivery and simultaneously deliver an equal amount of
electric energy (less applicable transmission losses) to the SCE system at
IID/SCE point(s) of interconnection.

              11.3 Coordinate, to the greatest extent practicable, major
overhaul and inspection outages of IID transmission facilities with Producer and
notify Producer of any changes as far in advance as possible.

              11.4 Carry out the directions of the Authorized Representative
with respect to the matters set forth in this Agreement.

              11.5 Operate its system in a manner consistent with applicable
utility industry standards and good engineering practices.

12.  BILLING
     -------

              12.1 IID shall read the meters monthly according to its regular
meter reading schedule beginning no more than thirty (30) days after the date
that electric energy is first supplied to Producer. IID monthly shall send
Producer within ten (10) working days after the meter is read a bill for
electric service. Producer shall pay IID the total amount billed within thirty
(30) days of receipt of the bill.

              12.2 IID shall bill Producer for Producer's consumption of energy
from IID's resources in accordance with Rate Schedule GL or Rate Schedule A-2,
as applicable, as it

                                       7

may be revised from time to time. Copies of current Rate Schedule GL and current
Rate Schedule A-2 are attached as Exhibit "A."

              12.3 If Producer disputes a bill, payment shall be made as if no
dispute existed pending resolution of the dispute by the Authorized
Representatives. If the bill is determined to be in error, the disputed amount
shall be refunded by IID including interest at the rate of one and one-half
percent (l 1/2%) per month, compounded monthly, from the date of payment to the
date the refund check or adjusted bill is mailed.

13.  AUTHORIZED REPRESENTATIVES
     --------------------------

              13.1 Within thirty (30) days after the date this Agreement is
signed, each Party shall designate, by written notice to the other Party, an
Authorized Representative who is authorized to act in its behalf in the
implementation of this Agreement and with respect to those matters contained
herein which are the functions and responsibilities for the Authorized
Representatives. Either Party may, at any time, change the designation of its
Authorized Representative by written notice to the other Party.

              13.2 IID's Authorized Representative shall develop detailed
written procedures necessary and convenient to administer this Agreement within
six (6) months after the date signed. Such procedures shall be submitted to
Producer's Authorized Representative for review, comment, discussion and
concurrence before they are put into effect. Such procedures shall include,
without limitation: (i) communication between Producer and IID's electric system
dispatcher with regard to daily operating matters, (ii) billing and payments,
(iii) specified equipment tests, and (iv) operating matters which

                                       8

affect or may affect quality and reliability of service to electric customers
and continuity of deliveries to SCE.

              13.3 The Authorized Representative shall have no authority to
modify any of the provisions of this Agreement.

14.  METERS
     ------

              14.1 All meters shall be sealed and the seal shall be broken only
upon occasions when the meters are to be inspected, tested or adjusted.

              14.2 IID shall inspect and test all meters upon their installation
and at least once every year thereafter. If requested to do so by Producer, IID
shall inspect or test a meter more frequently than every year, but the expense
of such inspection or test shall be paid by Producer unless the meter is found
to register inaccurately by more than two percent (2%) from the measurement made
by a standard meter. Each Party shall give reasonable notice to the other Party
of the time when any inspection or test shall take place and that Party may have
representatives present at the test or inspection. If a meter is found to be
inaccurate or defective, it shall be adjusted, repaired or replaced in order to
provide accurate metering. All adjustments due to accurate meters shall be
limited to the preceding six (6) months.

              14.3 If a meter fails to register, or if the measurement made by a
meter during a test varies by more than two percent (2%) from the measurement
made by the standard meter used in the test, adjustment shall be made correcting
all measurements made by the inaccurate meter for:

                                       9

          (i)  the actual period during which inaccurate measurements were made,
               if the period can be determined, or if not,

          (ii) the period immediately preceding the test of the meter equal to
               one-half (1/2) the time from the date of the last previous test
               of the meter; provided, however, that the period covered by the
               correction shall not exceed six (6) months.

              14.4 Producer shall telemeter information to IID's Dispatch Center
regarding the kilowatts, kilowatt-hours, kilovars and kilovar-hours delivered to
or received from IID at the Point of Delivery over phone line leased by
Producer.
              IID shall purchase, own, and shall design, install, operate,
maintain, or cause to be designed, installed, operated, and maintained,
equipment to automatically transmit from the Plant to IID's Dispatch Center
continuous values of Plant output expressed as megawatts, megavars and
megawatt-hours. IID may thereupon bill and Producer shall promptly pay IID's
cost of design, purchase and installation of said equipment. Producer shall have
the right to audit IID's records and accounts to verify the cost of said
equipment.

15.  CONTINUITY OF SERVICE
     ---------------------

              IID shall not be obligated to accept and IID may require Producer
to temporarily curtail, interrupt or reduce deliveries of energy upon advance
notice to Producer, when such curtailment, interruption or reduction is required
in order for IID to construct, install, maintain, repair, replace, remove,
investigate or inspect any of its equipment or any part of its

                                       10

system or if IID determines that such curtailment, interruption or reduction is
necessary because of a System Emergency, forced outages or abnormal operating
conditions on its system. IID shall use reasonable efforts to keep interruptions
and curtailments to a minimum time.

16.  LIABILITY
     ---------

              16.1 Except for any loss, damage, claim, costs, charge or expense
resulting from Willful Action, neither Party (the "released Party"), its
directors or other governing body, officers or employees shall be liable to the
other Party for any loss, damage, claim, cost, charge, or expense of any kind or
nature incurred by the other Party (including direct, indirect or consequential
loss, damage, claim, cost, charge or expense; and whether or not resulting from
the negligence of a Party, its directors or other governing body, officers,
employees or any person or entity whose negligence would be imputed to a Party)
from engineering, repair, supervision, inspection, testing, protection,
operation, maintenance, replacement, reconstruction, use or ownership of the
released Party's electrical system, Plant(s) or associated facilities in
connection with the implementation of this Agreement. Except for any loss,
damage, claim, cost, charge or expense resulting from Willful Action, each Party
releases the other Party, its directors or other governing body, officers and
employees from any such liability.

              16.2 For the purpose of this Section 16, Willful Action shall be
defined as action taken or not taken by a Party at the direction of its
directors or other governing

                                       11

body, officers or employees having management or administrative responsibility
affecting its performance under this Agreement, as follows:

              16.2.1 Action which is knowingly or intentionally taken or not
taken with conscious indifference to the consequences thereof or with intent
that injury or damage would result or would probably result therefrom.

              16.2.2 Action which has been determined by final arbitration award
or final judgment or judicial decree to be a material default under this
Agreement and which occurs or continues beyond the time specified in such
arbitration award or judgment or judicial decree for curing such default or, if
no time to cure is specified therein, occurs or continues thereafter beyond a
reasonable time to cure such default.

              16.2.3 Action which is knowingly or intentionally taken or not
taken with the knowledge that such action taken or not taken is a material
default under this Agreement.

              16.3 Willful Action does not include any act or failure to act
which is merely involuntary, accidental or negligent.

              16.4 The phrase "employees having management or administrative
responsibility," as used in Section 16.2, means the employees of a Party who are
responsible for one on more of the executive functions of planning, organizing,
coordinating, directing, controlling and supervising such Party's performance
under this Agreement with responsibility for results.

              16.5 Subject to the foregoing provisions of this Section 16, each
Party agrees to defend, indemnify and save harmless the other Party, its
officers, agents, or employees

                                       12

against all losses, claims, demands, costs or expenses for loss of or damage to
property, or injury or death of persons, which directly or indirectly arise out
of the indemnifying Party's performance pursuant to this Agreement; provided,
however, that a Party shall be solely responsible for any such losses, claims,
demands, costs or expenses which result from its sole negligence or Willful
Action.

17.  UNCONTROLLABLE FORCES
     ---------------------

              Neither Party shall be considered to be in default in the
performance of any of its obligations under this Agreement when a failure of
performance shall be due to an uncontrollable force. The term "uncontrollable
force" shall mean any cause beyond the control of the Party affected including,
but not restricted to, failure of or threat of failure of facilities which have
been maintained in accordance with generally-accepted engineering and operating
practices in the electrical utility industry, flood, drought, earthquake,
tornado, storm fire, pestilence, lightning and other natural catastrophes,
epidemic, war, riot, civil disturbance or disobedience, strike, labor dispute,
labor or material shortage, sabotage, government priorities and restraint by
court order or public authority (whether valid or invalid) and actions or
nonaction by or inability to obtain or keep the necessary authorizations or
approvals from-any governmental agency or authority, which by exercise of due
diligence such Party could not reasonably have been expected to avoid and which
by exercise of due diligence it has been unable to overcome. Nothing contained
herein shall be construed as to require a Party to settle any strike or labor
dispute in which it may be involved. Either Party rendered unable to fulfill any
of

                                       13

its obligations under this Agreement by reason of an uncontrollable force shall
give prompt written notice of such fact to the other Party and shall exercise
due diligence to remove such inability with all reasonable dispatch.

18.  INTEGRATION AND AMENDMENTS
     --------------------------

              This Agreement constitutes the entire agreement between the
Parties relating to the interconnection of Producer's Plant to IID's electric
system, the acceptance of energy by IID from Producer and the providing of
electric service by IID. No oral agreement or prior written agreement between
the Parties shall be of any effect whatsoever; provided, however, that any
arrangements agreed upon by the Authorized Representatives within the limits of
their authority, and consistent with this Agreement shall be binding upon the
Parties. All changes to this Agreement shall be in writing and shall be signed
by an officer of each Party.

19.  NON-WAIVER

              None of the provisions of this Agreement shall be considered
waived by either Party except when such waiver is given in writing. The failure
of either Party to insist in any one or more instances upon strict performance
of any of the provisions of this Agreement or to take advantage of any of its
rights hereunder shall not be construed as a waiver of any such provisions or
the relinquishment of any such rights for the future; but the same shall
continue and remain in full force and effect.

                                       14

20.  NO DEDICATION OF FACILITIES
     ---------------------------

              Any undertaking by one Party to the other Party under any
provision of this Agreement shall not constitute the dedication of the system or
any portion thereof by the Party to the public or to the other Party, and it is
understood and agreed that any such undertaking under any provision of this
Agreement by a Party shall cease upon the termination of its obligations
hereunder.

21.  SUCCESSORS AND ASSIGNS
     ----------------------

              21.1   This Agreement shall be binding upon and inure to the
benefit of the respective successors and assigns of the Parties.

              21.2 This Agreement may be assigned by Producer only (i) to a
purchaser or co-owner of the Plant or to a person who will operate the Plant
pursuant to a contract or other arrangement with such purchaser and in either
case with the prior written consent of IID (which shall not be unreasonably
withheld) or (ii) for security purposes, to a bank or other entity which
provides financing for the Plant or any electrical transmission facilities
associated therewith. Producer and IID agree that nothing in this Section 21.2
may be amended, modified or waived without the prior written consent of each and
every Party to the Funding and Construction Agreement (except for any Parties in
default thereunder.)

22. EFFECT OF SECTION HEADINGS
    --------------------------

              Section headings appearing in this Agreement are inserted for
convenience only, and shall not be construed as interpretations of text.

                                       15

23.  GOVERNING LAW
     -------------

              This Agreement shall be interpreted, governed and construed under
the laws of the State of California or the laws of the United States, as
applicable.

24.  ARBITRATION
     -----------

              24.1 Any dispute arising out of or relating to this Agreement, or
the breach thereof, which is not resolved by the Parties acting through their
Authorized Representatives shall be settled by arbitration to the extent
permitted by the laws applicable to the Parties; provided, however, that no
Party to the dispute shall be bound to any greater extent than any other Party
to the dispute. Arbitration shall not apply to any dispute or matter that is
within the jurisdiction of any regulatory agency.

              24.2 Any demand for arbitration shall be made by written notice to
the other Party setting forth in adequate detail the nature of the dispute, the
issues to be arbitrated, the amount or amounts, if any, involved in the dispute,
and the remedy sought. Within twenty (20) days from the receipt of such notice,
the other Party may submit its own written statement of the dispute and may set
forth in adequate detail any additional related matters or issues to be
arbitrated.

              24.3 Within thirty (30) days after delivery of the written notice
demanding arbitration, the Parties acting through their Authorized
Representatives shall meet for the purpose of selecting an arbitrator. The
Parties may agree upon a single arbitrator, but in the event that they cannot
agree, three arbitrators shall be used. Each Party shall designate one
arbitrator, and the two arbitrators shall then select a third arbitrator. All

                                       16

arbitrators shall be persons skilled and experienced in the field in which the
dispute has arisen and no person shall be eligible for appointment as an
arbitrator who is or has been an officer or employee of either of the Parties or
otherwise interested in the matter to be arbitrated. Should either party refuse
or neglect to appoint an arbitrator or to furnish the arbitrators with any
papers or information demanded, the arbitrators are empowered, by both Parties,
to proceed without the participation or assistance of that Party.

              24.4 Except as otherwise provided in this Section, the arbitration
shall be governed by the rules and practices of the American Arbitration
Association, or a similar organization if the American Arbitration Association
should not at the time exist.

              24.5 Arbitration proceedings shall be held in Imperial,
California, at a time and place to be selected by the arbitrators. The
arbitrators shall hear evidence submitted by the Parties and may call for
additional information which shall be furnished by the Party having such
information. The arbitrators shall have no authority to call for information not
related to the issues included in the dispute or to determine other issues not
in dispute.

              24.6 If there is only one arbitrator, his decision shall be
binding and conclusive on the Parties. If there are three arbitrators, the
decision of any two shall be binding and conclusive. The decision of the
arbitrators shall contain findings regarding the issues involved in the dispute,
including the merits of the positions of the Parties, the materiality of any
default, and the remedy or relief to which a Party shall be entitled. The

                                       17

arbitrators may not grant any remedy or relief which is inconsistent with this
Agreement, nor shall the arbitrators make findings or decide issues not in
dispute.

              24.7 The fees and expenses of the arbitrators shall be shared
equally by the Parties, unless the decision of the arbitrators specifies one
other apportionment. All other expenses and costs of the arbitration shall be
borne by the Party incurring such expenses and costs.

              24.8 Any decision or award granted by the arbitrators shall be
final and judgement may be entered on it in any court of competent jurisdiction.
This agreement to arbitrate shall be specifically enforceable.

25.  ENTIRE AGREEMENT
     ----------------

              25.1 The complete agreement of the Parties is set forth in this
Agreement and all communications regarding subject interconnected operations
whether oral or written, are hereby abrogated and withdrawn.

26.  NOTICES
     -------

              Any formal communication or notice in connection with this
Agreement shall be in writing and shall be deemed properly given if delivered in
person or sent first class mail, postage prepaid to the person specified below:

              GEO EAST MESA
              LIMITED PARTNERSHIP
              P.O. Box 748
              Holtville, CA 92250

                                       18

              IMPERIAL IRRIGATION DISTRICT
              c/o General Manager
              P. O. Box 937
              Imperial, California 92251

27.  SEVERAL OBLIGATIONS
     -------------------

              Except where specifically stated in this Agreement to be
otherwise, the duties, obligations and liabilities of the Parties are intended
to be several and not joint or collective. Nothing contained in this Agreement
shall ever be construed to create an association, trust, partnership, or joint
venture, or impose a trust or partnership duty, obligation or liability on or
with regard to either Party. Each Party shall be individually and severally
liable for its own obligations under this Agreement.

                                       19

28.  SIGNATURE CLAUSE
     ----------------

              The Parties have caused this Agreement to be executed in their
respective names, in duplicate, by their respective officers hereunto this 21st
day of March, 1989.

                                   GEO EAST MESA LIMITED
                                   PARTNERHIP

                                   By /s/ M.N.  Brunano
                                      ---------------------------------

ATTEST:

By /s/ Letitia D. Davis
   ---------------------------
            Secretary

                                   IMPERIAL IRRIGATION DISTRICT

                                   By /s/ Lester A. Bornt
                                      -------------------------------
                                      President, Board of Directors

ATTEST:

By /s/ Larry E. Beck
   ---------------------------
            Secretary

                                       20Exhibit 10.3.31

                                                                         9-21-89
                                                                  EXECUTION COPY

                         TRANSMISSION SERVICE AGREEMENT

                                     FOR THE

            ORMESA I, ORMESA IE AND ORMESA IH GEOTHERMAL POWER PLANTS

                                     BETWEEN

                          IMPERIAL IRRIGATION DISTRICT

                                       AND

                                ORMESA GEOTHERMAL

EXECUTION COPY
9-21-89

                                TABLE OF CONTENTS

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

1        PARTIES                                                            1

2        RECITALS                                                           1

3        AGREEMENT                                                          1

4        DEFINITIONS                                                        1

5        TERM                                                               3

6        TRANSMISSION SERVICE                                               4

7        TRANSMISSION LOSSES                                                8

8        CHARGES                                                            9

9        BILLING AND PAYMENT                                                10

10       LIABILITY                                                          12

11       AUDITING                                                           12

12.      AUTHORIZED REPRESENTATIVES                                         15

13       NO DEDICATION OF FACILITIES                                        15

14       NON-WAIVER                                                         15

15       NO THIRD PARTY RIGHTS                                              15

16       UNCONTROLLABLE FORCES                                              15

17       ASSIGNMENTS                                                        16

18       GOVERNING LAW                                                      18

19       NOTICES                                                            18

20       SIGNATURE CLAUSE                                                   19

EXHIBIT I -  DEVELOPMENTS AND METHODOLOGIES FOR TRANSMISSION
             SERVICE CHARGES AND SCHEDULING FEE

EXHIBIT II- TRANSMISSION SERVICE FOR ORMESA I, ORMESA IE, AND ORMESA IH
            GEOTHERMAL POWER PLANTS

                                       2

1. PARTIES: The Parties to this Agreement are Imperial Irrigation District,
organized under the Water Code of the State of California ("IID"), and Ormesa
Geothermal ("Producer"), hereinafter sometimes referred to individually as
"Party," and collectively as "Parties."

2. RECITALS: This Agreement is made with reference to the following facts, among
others:

     2.1 Ormesa I, Ormesa IE and Ormesa IH have caused to be constructed
alternate energy resource facilities located in IID's service area.

     2.2 Ormesa I, Ormesa IE and Ormesa IH and IID have entered into Plant
Connection Agreements.

     2.3 Producer desires to purchase, and IID desires to sell firm transmission
service of power from the Plants to Edison's Mirage Substation subject to the
terms and conditions specified herein.

     2.4 Producer and IID are parties to that certain Funding and Construction
Agreement dated June 29, 1987, providing for the funding and construction of
transmission lines within IID's service area.

3.  AGREEMENT:  The Parties agree as follows:

4. DEFINITIONS: The following terms, when used herein with initial
capitalization, whether in the singular or plural, shall have the meanings
specified:

     4.1 AGREEMENT: This IID - Producer Transmission Service Agreement for
Alternative Resources between Ormesa Geothermal and IID, and all Exhibits
attached hereto, as

                                       3

such Agreement may subsequently be amended for firm transmission service between
each Plant and Edison's Mirage Substation.

         4.2 Authorized Representative:  The representative of a party
designated in accordance with Section 12.

         4.3 Date of Initial Service: The date when the output from each Plant
is first available for delivery to Edison, as notified to IID pursuant to
Section 5.2.

         4.4  Edison:  Southern California Edison Company.

         4.5 Funding and Construction Agreement: An agreement entered into by
LED and others dated June 29, 1987, providing for the funding and construction
of the Heber-Mirage Transmission Project, to which a form of this agreement is
attached as Exhibit III.

         4.6  Maximum Transmission Service Entitlement:  The Maximum
Transmission Service Entitlement as specified in Exhibit[s] II, Transmission
Service, and in any subsequent Plant Amendments.

         4.7 Normal Transmission Capacity: The maximum transfer capability,
expressed in megawatts (MW), from the Point of Receipt to the Point of Delivery.
Such transfer capability, as determined by IID, in its sole judgment, shall be
consistent with prudent operating procedures and with generally-accepted
engineering and operating practices in the electrical utility industry.

         4.8 Operating Transmission Capability: The maximum transfer capability,
expressed in megawatts (MW), available to IID at any given time to transmit
power from Point of Receipt to Point of Delivery. Such transfer capability shall
be as determined by IID in its sole judgment,

                                       4

may vary from time-to-time depending on system conditions, and shall be
consistent with prudent operating procedures and generally-accepted engineering
and operating practices in the electrical utility industry.

         4.9 Plants: The electrical generating alternative energy resource
facilities developed by Producer and Ormesa IH respectively for which IID shall
provide transmission service, as specified in Exhibit(s) II, Transmission
Service, and in any subsequent Plant Amendments.

         4.10 Plant Amendment: An agreement reached by the Parties, as an
amendment to this Agreement, for transmission service to be provided by IID for
a Plant added by Producer or for Producer's account subsequent to the execution
of this Agreement.

         4.11 Plant Connection Agreements: The agreements between IID and
Producer and between IID and Ormesa IH respectively providing for the connection
of the Plants to IID's electrical system, as specified in Exhibit[s] II,
Transmission Service, and in any subsequent Plant Amendments. The existing
Ormesa I, Ormesa IE and the Ormesa IH Plant each operate under a separate Plant
Connection Agreement. This 38 MW Transmission Service Agreement covers all
facilities because all plants deliver energy to IID at the same point.

         4.12 Point(s) of Delivery: The 230-kV switchrack at the Mirage
Substation site where Edison's 230-kV facilities are attached to IID's 230-kV
Coachella-Mirage Line or other points as may be mutually agreed upon by the
Authorized Representatives.

         4.13 Point of Receipt: The point on the high voltage side of the
Plant's transformer where IID's metering equipment measures the delivery of
energy to the IID system.

                                       5

         4.14  Transmission Service Entitlement:  The amount of transmission
service, expressed in megawatts (MW), provided by IID for the Plants, from the
applicable Point of Receipt to the applicable Point(s) of Delivery.

5.  TERM:

         5.1 Unless otherwise agreed to by the Parties, this Agreement shall be
effective on the Completion Date for the transmission lines being constructed
pursuant to the Funding and Construction Agreement, as the term Completion Date
is defined in Article I thereof, and shall remain in effect until October 12,
2017. It is understood that if such Completion Date does not occur, this
Agreement shall be of no force or effect.

         5.2 The Transmission Service Entitlement to be provided by IID for each
Plant shall be contingent on Plant Connection Agreements being in effect.
Transmission service for each Plant shall commence on the Date of Initial
Service of such Plant. Producer's Authorized Representative shall give IID's
Authorized Representative written notice of the Date of Initial Service at least
thirty (30) days before the Date of Initial Service.

6.  TRANSMISSION SERVICE:

         6.1 Subject to the terms of this Agreement, IID shall provide to
Producer and Producer shall purchase from IID transmission service over IID's
transmission system for each Plant. IID shall make arrangements with Edison to
provide, at Producer's or Edison's expense, for the transfer of the electrical
power to be delivered to Edison hereunder from IID's transmission system to
Edison's transmission system at the Point(s) of Delivery.

                                       6

         6.2 The Transmission Service Entitlement for the Plants shall be the
Maximum Transmission Service Entitlement for such Plants specified in Exhibit(s)
II, Transmission Service, or any subsequent Plant Amendments, or such lesser
amount as may be established as follows. Beginning on the Date of Initial
Service for each Plant, Producer shall be entitled to specify a Transmission
Service Entitlement by advance written notice given to IID's Authorized
Representative at least thirty (30) days prior to the Date of Initial Service.
The Transmission Service Entitlement to be provided by IID subsequent to the
Date of Initial Service may be adjusted at six (6) month intervals thereafter
until two (2) years after the Date of Initial Service for such Plant (the "Trial
Period"). Such adjustments shall be made by having Producer's Authorized
Representative give IID's Authorized Representative a ninety (90) day advance
written notice as to the adjustment required. Beginning two (2) years after the
Date of Initial Service for such Plant, Producer shall be entitled to specify a
Transmission Service Entitlement for each successive two-year period during the
remaining term of this Agreement by written notice from Producer's Authorized
Representative to IID's Authorized Representative given at least ninety (90)
days prior to the beginning of each two-year period.

         6.3 The Transmission Service Entitlement selected by Producer for the
Plants in accordance with Section 6.2 may be any amount which is less than or
equal to the Maximum Transmission Service Entitlement for such Plant specified
in Exhibit[s] II, Transmission Service and in any subsequent Plant Amendments,
provided, however, that the following shall apply to each Plant after the Trial
Period for such Plant has elapsed.

                6.3.1 If (i) the sum of the Transmission Service Entitlements
for all Plants which are no longer in their Trial Periods is less than the sum
of the Maximum Transmission Service Entitlements for such Plants, as shown in
Exhibit(s) II, Transmission Service and in any

                                       7

subsequent Plant Amendments, (the "Aggregate Maximum Transmission Service
Entitlement"), and (ii) provided that IID requires additional capacity for
transmitting electric power to Edison's transmission system for another person
(or, following the Credit Installment Period as defined in the Funding and
Construction Agreement, for itself) and (iii) IID's use of such required
capacity would be in conflict with Producer's right as provided herein to
increase the sum of the Transmission Service Entitlements for such Plants to the
Aggregate Maximum Transmission Service Entitlement, then IID shall so notify
Producer in writing, specifying in such notice the portion, expressed in
megawatts (MW), of the excess of the Maximum Transmission Service Entitlement
over the Transmission Service Entitlement for each such Plant which it desires
to use as stated above. Producer shall have ninety (90) days after receipt of
IID's notice to notify IID in writing that it desires to increase the
Transmission Service Entitlements of such Plants. To the extent that Producer
does not elect to increase the Transmission Service Entitlement of each such
Plant up to the Maximum Transmission Service Entitlement for such Plant, IID
shall be entitled to use such unclaimed capacity to satisfy the transmission
requirements specified in its notice to Producer, and to the extent that IID
does so, Producer shall thereafter be foreclosed from increasing the
Transmission Service Entitlement for such Plant in a manner which would conflict
with such usage by IID.

                6.3.2 IID shall treat Producer and each other person who has
entered into a transmission service agreement similar in substance to this
Agreement in a fair and nondiscriminatory manner in requesting additional
transmission capacity as provided In this Section 6.3. Without limiting the
generality of the foregoing, IID shall request additional transmission capacity
from Producer and such other persons on a pro rata basis, in proportion to the
Aggregate Maximum Transmission Service Entitlement for each person less the sum
of the

                                       8

Transmission Service Entitlements for each of such persons' generating plants
which is no longer in a Trial Period.

         6.4 In the event that the Original Capacity Nomination designated by
Producer (or the Participant associated with Producer) is adjusted pursuant to
Section 3.07 of the Funding and Construction Agreement, the Parties agree to
amend this Agreement in such a way that the sum of the Maximum Transmission
Service Entitlements for all Plants hereunder is equal to such Original Capacity
Nomination as so adjusted. As used in this Section 6.4, the terms Original
Capacity Nomination and Participant shall have the meanings assigned to them in
Article I of the Funding and Construction Agreement.

         6.5 IID reserves the right to interrupt or curtail the transmission
service provided hereunder as follows:

                6.5.1 If the Operating Transmission Capability is reduced to
less than Normal Transmission Capacity from a Point of Receipt to a Point of
Delivery, and when continuity of service within IID's service area is not being
jeopardized, IID may curtail the transmission service currently being provided
from such Point of Receipt to such Point of Delivery, to an amount "A"
determined by the following formula:

     A = Operating Transmission Capability          X     Transmission Service
------------------------------------------------              Entitlement
          Normal Transmission Capacity

              The transmission service shall be curtailed by multiplying the
Transmission Service Entitlement in accordance with Exhibit[s] II, Transmission
Service and in any subsequent Plant Amendments by the same percentage (expressed
as a decimal) as used in the determination of "A." However, any such curtailment
shall occur only after IID has made all reasonable efforts to

                                       9

eliminate the cause of the reduction in Operating Transmission Capability, and
IID shall then employ reasonable efforts to eliminate expeditiously the cause of
said reduction.

                6.5.2 If continuity of service within IID's control area is
being jeopardized, as determined by IID in its sole judgment, ITO may interrupt
or curtail the transmission service provided hereunder to the extent necessary
to avoid or eliminate such jeopardy; provided that (i) such interruptions or
curtailments may be made so that IID may fully utilize all generating resources
owned by it or available to it under contract in order to avoid damage to IID's
electrical system caused by overloading, (ii) such interruption or curtailment
shall occur only after IID has made all reasonable efforts to avoid or eliminate
such jeopardy and (iii) to the extent feasible any curtailment of transmission
service provided hereunder from a Point of Receipt to a Point of Delivery shall
be made in accordance with the formula set forth in Section 6.5.1.

         6.6 If IID's efforts do not avoid or eliminate such jeopardy, the
Parties shall endeavor to develop some other arrangement to avoid or eliminate
such jeopardy and minimize the effects of IID's interruption or curtailment on
both parties.

         6.7 In the event of any curtailments or interruptions made pursuant to
Section 6.5.1 or Section 6.5.2, Producer shall, immediately after being orally
notified by IID, reduce the electrical output of the Plants by the amounts
requested by IID.

         6.8 The transmission service to be provided by IID and purchased by
Producer for the Plants shall not exceed the Transmission Service Entitlement
for the Plants.

         6.9 Subject to Section 6.5, IID shall, during the periods that IID has
agreed to provide the transmission service at the specified Transmission Service
Entitlements, accept hourly

                                       10

scheduled energy deliveries at each Point of Receipt and simultaneously deliver
the same amount of energy (less transmission losses as provided herein) at the
Point(s) of Delivery mutually agreed upon by the Parties' dispatchers and/or
schedulers.

         6.10 Hourly scheduled energy deliveries at each Point of Receipt shall
conform with the practices and procedures developed by the Parties' dispatchers
and schedulers and agreed to by the Authorized Representatives.

7.  TRANSMISSION LOSSES:

         7.1 IID shall determine, by transmission power flow analysis, the
electrical losses (expressed as a percent amount of hourly scheduled energy
deliveries) associated with the electrical output from the Plants. Such analysis
shall be performed by IID at its sole expense. The initial percent amount, for
each Plant, representing the electrical losses as determined herein shall be as
specified in Exhibit(s) II, Transmission Service and in any subsequent Plant
Amendments.

         7.2 Unless otherwise agreed to by Producer's and IID's schedulers and
dispatchers, IID shall reduce the amount of all hourly scheduled energy
deliveries for Producer or Producer's account by the percent amount of such
hourly deliveries for each Plant in accordance with Exhibit[s] II, Transmission
Service and in any subsequent Plant Amendments.

         7.3 If either Party believes that there has been a significant change
in IID's electrical system and the electrical losses associated with any Plant
should be redetermined, either Party's Authorized Representative may submit a
written request to the other Party's Authorized Representative that the
electrical losses be redetermined. Following such request, a transmission

                                       11

flow analysis shall be performed by IID as approved by the Authorized
Representatives and paid for by the requesting Party. Whenever the percent
amount for electrical losses is redetermined, such percent amount shall become
effective as of the first day of the month following the date of such
redetermination; provided, that such a redetermination may be no sooner than
twelve (12) months after the most recent redetermination. Any redetermination of
electrical losses made pursuant to this Section 7 shall be based on conditions
in existence at the time of such redetermination.

         7.4 Along with the monthly billing pursuant to Section 9.1, for the
transmission service for each Plant, IID shall submit a monthly summary of
hourly scheduled energy deliveries and of electrical losses for each Plant.

8.  CHARGES:

         8.1 For transmission service provided by IID, Producer shall pay IID at
a rate to be determined by IID pursuant to the methodologies specified in
Exhibit I.A. The initial rate is specified in Exhibit[s] II, Transmission
Service and revisions thereto will be specified in any subsequent Plant
Amendments. Any specific facility charge to Producer for connecting the Plant(s)
to the IID transmission system shall be included only in the Plant Connection
Agreement(s) between IID and Producer.

         8.2 The transmission rate shall be reviewed annually and may be
revised. Any revision of the rates shall be based on the methodologies in
Exhibit I.A and on the conditions in existence at the time of the revision.
Producer shall have the right to review any exhibits or work papers prepared by
IID to revise the rates.

                                       12

         8.3 An initial monthly scheduling fee, as specified in Exhibit[s] II,
Transmission Service and revisions thereto specified in any subsequent Plant
Amendments, shall be paid by Producer to IID for those months in which there
were scheduled energy deliveries from the Plant(s). The initial scheduling fee
has been determined by IID pursuant to the methodology specified in Exhibit I.B.
The scheduling fee shall be reviewed annually and may be revised. Any revision
of the scheduling fee shall be based on the methodology in Exhibit I.B and on
the conditions in existence at the time of the revision. Producer shall have the
right to review any exhibits or work papers prepared by IID to revise the
scheduling fee.

9.  BILLING AND PAYMENT:

         9.1 IID shall render bills to Producer, beginning in the month of the
Date of Initial Service, on or before the fifteenth (15th) day of each month for
the transmission service to be provided during the month. Producer shall pay
such bills within twenty (20) days after receipt thereof.

              All payments by Producer shall be sent to:

                  Imperial Irrigation District
                  c/o Manager, Finance and Accounting
                  P.O.  Box 937
                  Imperial, California 92251

              All billings by IID shall be sent to:

                  Ormesa Geothermal
                  P.O.  Box 819
                  El Centro, California 92244

         9.2 Either Party's Authorized Representative may at any time, by
advance written notice to the other Party's Authorized Representative, change
the address to which payments or billings shall be sent.

                                       13

         9.3 Bills which are not paid in full by said due date shall thereafter
bear an additional charge of one and one-half percent (1-1/2%) per month, or the
maximum legal rate of interest, whichever is less, compounded monthly on the
unpaid amount prorated by days from the due date until payment is received by
IID.

         9.4 In the event any portion of any bill is disputed, the disputed
amount shall be paid when due under protest. If the protested portion of the
payment is found to be incorrect by the Authorized Representatives, the disputed
amount shall be paid by IID to Producer, including interest at the rate of
1-1/2% per month, or the maximum legal rate, whichever is less, compounded
monthly from the date of payment by Producer to the date the refund check or
adjusted bill is received by Producer.

         9.5 For a fractional part of a calendar month at the beginning or end
of the period for which the transmission service is provided hereunder, the
charge pursuant to Section 8.1 shall be proportionately adjusted by the ratio of
days that service is furnished by IID to Producer during such month to the total
number of days in such month.

         9.6 The charge for the transmission service pursuant to Section 8.1
shall be proportionately reduced to the extent the duration of the interruptions
or curtailments of the transmission service which may occur pursuant to Section
6.5.1 or Section 6.5.2 exceed a cumulative total of twenty-four (24) hours
during any calendar month based on 730 hours per month representing the full
transmission service charge. The amount of such prorata reduction in any month
shall reflect the duration and amount of such interruptions or curtailments
which exceed said cumulative 24 hours. Such prorata reduction shall be reflected
as a credit to Producer as soon as possible in a subsequent monthly bill.

                                       14

         9.7 The charge for the transmission service shall not be reduced if IID
can deliver, but Edison's transmission system cannot receive, the hourly
scheduled energy deliveries independent of the duration of time this condition
exists.

10.  LIABILITY:

         10.1 Except for any loss, damage, claim, costs, charge or expense
resulting from Willful Action, neither Party (the "released Party"), its
directors or other governing body, officers or employees shall be liable to the
other Party for any loss, damage, claim, cost, charge, or expense of any kind or
nature incurred by the other Party (including direct, indirect or consequential
loss, damage, claim, cost, charge or expense; and whether or not resulting from
the negligence of a Party, its directors or other governing body, officers,
employees or any person or entity whose negligence would be imputed to a Party)
from engineering, repair, supervision, inspection, testing, protection,
operation, maintenance, replacement, reconstruction, use or ownership of the
released Party's electrical system, Plant(s) or associated facilities in
connection with the implementation of this Agreement. Except for any loss,
damage, claim, cost, charge or expense resulting from Willful Action, each Party
releases the other Party, its directors or other governing body, officers and
employees from any such liability.

         10.2 For the purpose of this Section 10, Willful Action shall be
defined as action taken or not taken by a Party at the direction of its
directors or other governing body, officers or employees having management or
administrative responsibility affecting its performance under this Agreement, as
follows:

                                       15

                10.2.1 Action which is knowingly or intentionally taken or not
taken with conscious indifference to the consequences thereof or with intent
that injury or damage would result or would probably result therefrom.

                10.2.2 Action which has been determined by final arbitration
award or final judgment or judicial decree to be a material default under this
Agreement and which occurs or continues beyond the time specified in such
arbitration award or judgment or judicial decree for curing such default or, if
no time to cure is specified therein, occurs or continues thereafter beyond a
reasonable time to cure such default.

                10.2.3 Action which is knowingly or intentionally taken or not
taken with the knowledge that such action taken or not taken is a material
default under this Agreement.

         10.3 Willful Action does not include any act or failure to act which is
merely involuntary, accidental or negligent.

         10.4 The phrase "employees having management or administrative
responsibility," as used in Section 10.2, means the employees of a Party who are
responsible for one or more of the executive functions of planning, organizing,
coordinating, directing, controlling and supervising such Party's performance
under this Agreement with responsibility for results.

         10.5 Subject to the foregoing provisions of this Section 10, each Party
agrees to defend, indemnify and save harmless the other Party, its officers,
agents, or employees against all losses, claims, demands, costs or expenses for
loss of or damage to property, or injury or death of persons, which directly or
indirectly arise out of the Indemnifying Party's performance pursuant to this
Agreement; provided, however, that a Party shall be solely responsible for any
such

                                       16

losses, claims, demands, costs or expenses which result from its sole negligence
or Willful Action.

11.  AUDITING

         11.1 IID shall make its books, records, and other supporting
information, as requested, available to Producer or to Producer's designated
contracted representative(s) with a CPA firm, for the purpose of auditing any
charges or accounts to be kept by IID hereunder. All such audits shall be
undertaken at reasonable times and in conformance with generally-accepted
auditing standards.

         11.2 If as a result of such audits Producer believes its charges or
accounts should be adjusted, the findings shall be presented to the Authorized
Representatives. If the Authorized Representatives agree that any audit finding
should result in a revision of charges or accounts, such revisions shall be
retroactive to the first billing for such charges and accounts and shall be made
as soon as practical after determination.

         11.3 The amount of any unresolved dispute shall accrue interest at the
rate of one and one-half percent (1-1/2%) per month, or the maximum legal rate,
whichever is less, compounded monthly for any amount of money ultimately
refunded to Producer.

12. AUTHORIZED REPRESENTATIVES: Within thirty (30) calendar days after the
Completion Date, as defined in Article I of the Funding and Construction
Agreement, each Party shall designate by written notice to the other Party a
representative who is authorized to act on its behalf in the implementation of
this Agreement. Either Party may at any time change the designation of its
Authorized Representative by written notice to the other Party.

                                       17

13. NO DEDICATION OF FACILITIES: Any undertaking by one Party to the other Party
under any provision of this Agreement shall not constitute the dedication of the
system or any portion thereof of the Party to the public or to the other Party,
and it is understood and agreed that any such undertaking under any provision of
this Agreement by a Party shall cease upon the termination of its obliqations
hereunder.

14. NON-WAIVER: None of the provisions of this Agreement shall be considered
waived by either Party except when such waiver is given in writing. The failure
of either Party to insist in any one or more instances upon strict performance
of any of the provisions of this Agreement or to take advantage of any of its
rights hereunder shall not be construed as a waiver of any such provisions or
the relinquishment of any such rights for the future, but the same shall
continue and remain in full force and effect.

15. NO THIRD PARTY RIGHTS: The Parties do not intend to create rights in or to
grant remedies to any Third Party or others as a beneficiary of this Agreement
or of any duty, covenant, obligation or undertaking established hereunder.

16. UNCONTROLLABLE FORCES: Neither Party shall be considered to be in default in
the performance of any of its obligations under this Agreement when a failure of
performance shall be due to an uncontrollable force. The term "uncontrollable
force" shall mean any cause beyond the control of the Party affected including,
but not restricted to, failure of or threat of failure of facilities which have
been maintained in accordance with generally-accepted engineering and operating
practices in the electrical utility industry, flood, drought, earthquake,
tornado, storm, fire, pestilence, lightning and other natural catastrophes,
epidemic, war, riot, civil disturbance or disobedience, strike, labor dispute,
labor or material shortage, sabotage, government priorities

                                       18

and restraint by court order or public authority (whether valid or invalid) and
actions or nonaction by or inability to obtain or keep the necessary
authorizations or approvals from any governmental agency or authority, the
failure or inability of Edison to receive the electric power to be transmitted
hereunder at the Point(s) of Delivery, which by exercise of due diligence such
Party could not reasonably have been expected to avoid and which by exercise of
due diligence it has been unable to overcome. Nothing contained herein shall be
construed as to require a Party to settle any strike or labor dispute in which
it may be involved. Either Party rendered unable to fulfill any of its
obligations under this Agreement by reason of an uncontrollable force shall give
prompt written notice of such fact to the other Party and shall exercise due
diligence to remove such inability with all reasonable dispatch.

17.  ASSIGNMENTS:

         17.1 Any assignment by Producer of its interest in this Agreement which
is made without the written consent of IID (which shall not be unreasonably
withheld) shall not relieve Producer from its primary liability for any of its
duties and obligations hereunder, and in the event of any such assignment
Producer shall continue to remain primarily liable for payment of any and all
money due IID hereunder and for the performance and observance of all other
covenants, duties and obligations to be performed and observed hereunder by it
to the same extent as though no assignment has been made.

         17.2 Notwithstanding any provision of Section 17.1 to the contrary,
prior to the end of the Credit Installment Period, as defined in Article I of
the Funding and Construction Agreement, Producer's right to transmission service
under this Agreement with respect to one or more of the Plants may be assigned
only (i) to a purchaser or co-owner of such Plants or to a person who will

                                       19

operate such Plants pursuant to a contract or other arrangement with such
purchaser and in either case only with the prior written consent of IID (which
shall not be unreasonably withheld) or (ii) for security purposes, to a bank or
other entity which provides financing for such Plants or any electrical
transmission facilities associated therewith. Producer and IID agree that
nothing in this Section 17.2 may be amended, modified or waived without the
prior written consent of each and every party to the Funding and Construction
Agreement (except for any parties in default thereunder).

         17.3 Whenever an assignment of Producer's interest in this Agreement is
made with the written consent of IID, Producer's assignee shall expressly assume
in writing the duties and obligations hereunder of Producer and, within thirty
(30) days after any such assignment and assumption of duties and obligations,
Producer shall furnish or cause to be furnished to IID a true and correct copy
of such assignment and assumption of duties and obligations.

         17.4 Subject to the foregoing restrictions on assignments, all of the
terms of this Agreement shall be binding upon and inure to the benefit of both
of the Parties and their respective successors, permitted assigns and legal
representatives.

18.  GOVERNING LAW:  This Agreement shall be interpreted, governed by and
construed under the laws of the State of California or the laws of the United
States, as applicable.

19. NOTICES: Any notice, demand or request provided for in this Agreement, or
served, given or made in connection with it, shall be in writing and shall be
deemed properly served, given or made if delivered in person or sent by United
States mail, postage prepaid, to the persons specified below unless otherwise
provided for in this Agreement:

                                       20

              All payments by Producer shall be sent to:

                  Imperial Irrigation District
                  c/o General Manager
                  P.O.  Box 937
                  Imperial, California 92251

              All billings by IID shall be sent to:

                  Ormesa Geothermal
                  c/o Plant Manager
                  P.O.  Box 819
                  El Centro, California 92244

         Either Party may at any time, by notice to the other Party, change the
designation or address of the person so specified as the one to receive notices
pursuant to this Agreement.

                                       21

20. SIGNATURE CLAUSE: The signatories hereto represent that they have been
appropriately authorized to enter into this IID-Ormesa Geothermal Transmission
Service Agreement for Alternative Resources (Standard Form) on behalf of the
Party for whom they signed. This Agreement is hereby executed as of the 3rd day
of October, 1989.

                                      IMPERIAL IRRIGATION DISTRICT

                                      By: /s/ Lester A. Bornt
                                         -------------------------------
                                           President, Board of Directors

                                      ORMESA GEOTHERMAL
                                      BY ORMAT GEOTHERMAL, INC.
                                      Managing General Partner

                                      By: /s/ Indecipherable
                                         --------------------------------

                                      Its: V. Pres.
                                          -------------------------------

                                       22

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