Exhibit 10.1

POWER SUPPLY AGREEMENT

BETWEEN

AMEREN ENERGY MARKETING COMPANY

AND

AMEREN ENERGY GENERATING COMPANY

DATED AS OF DECEMBER 18, 2006

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Power Supply Agreement
Between
Ameren Energy Marketing Company
And
Ameren Energy Generating Company

This Power Supply Agreement (referred to as the "Agreement"), entered into this
18th day of December, 2006, by and between Ameren Energy Marketing Company
(“Buyer”), and Ameren Energy Generating Company (“Seller”), where Buyer and
Seller shall be referred to herein collectively as “Parties” and individually as
a “Party.”

WITNESSETH THAT:

WHEREAS, Seller is a wholly-owned subsidiary of Ameren Energy Development
Company and has been authorized to sell power at market-based rates; and

WHEREAS, Buyer is a power marketer that has been authorized to sell power at
market-based rates; and

WHEREAS, Seller has a fleet of coal and gas fired generating units which
currently has a total generating capacity of approximately 4,030 MW that operate
throughout the states of Missouri and Illinois (“Seller’s Generation Fleet”);
and

WHEREAS, the Buyer desires to obtain rights to the capacity and energy from the
Seller’s Generation Fleet pursuant to the terms and conditions of this Agreement
in order to, among other things sell the capacity and energy into the market
using Buyer’s market based rate authority; and

WHEREAS, the Parties hereto desire to establish herein the terms and conditions
under which Buyer shall procure the capacity and energy from Seller throughout
the term of this Agreement.

NOW, THEREFORE, in consideration of the premises and provisions of this
Agreement and in consideration of the mutual agreements and undertakings of the
Parties, the Parties do hereby agree that the terms and provisions of the
Articles and Sections shall read in their entirety as follows:

Article I
Term

1.1  Except as otherwise provided in Section 7.6, this Agreement shall be
effective as of the date set forth above and deliveries shall commence January
1, 2007 and shall continue through December 31, 2022 and from year to year
thereafter unless either Party elects to terminate by providing the other Party
with no less than six (6) months advanced written notice of its desire to
terminate.

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Article II
Delivery Point and Transfer of Title

2.1  Seller shall sell and deliver and the Buyer shall purchase and receive
energy at the high side of each generator bus of the Seller’s Generation Fleet
(“Delivery Point”). All energy delivered hereunder shall be metered as three
phase, 60 hertz at the high side of the step-up transformer. The Buyer shall
arrange and be responsible for all transmission services and costs relative to
the capacity and associated energy Buyer schedules at and from the Delivery
Point.

2.2 Title to and risk of loss related to Buyer’s capacity and associated energy
purchased hereunder shall transfer from Seller to Buyer at the Delivery Point.
Seller warrants that it will deliver to Buyer such capacity and energy free and
clear of all liens, security interests, claims and encumbrances or any interest
therein or thereto by any person arising prior to the Delivery Point.

Article III
Quantity and Scheduling

3.1  Seller agrees to sell and Buyer agrees to purchase all of the capacity
available from the Seller’s Generation Fleet and such amount of associated
energy from Seller. Seller also agrees to provide to Buyer, in addition to
capacity and energy, ancillary services that Seller has not directly sold to
another third party. Before any of its ancillary services are sold to a third
party, Seller shall consult with Buyer and shall offer to sell to Buyer any such
ancillary services. Buyer and Seller shall discuss the appropriate charges and
billing procedures for such ancillary services, and if necessary shall amend
this agreement accordingly.

3.2 For planning purposes, sixty (60) days prior to the commencement of each
calendar year during the term of this Agreement or at such other times as may be
appropriate, the Parties shall determine in accordance with Section 3.3 below
the total available MW of capacity and energy which Seller anticipates the
Seller’s Generation Fleet shall be capable of providing (“Net Generation
Capability”) during the next succeeding calendar year or during the time period
remaining until the next determination of Net Generation Capability. Should the
Parties fail to agree to a reasonable value for the Net Generation Capability
for the next succeeding calendar year, the prior year’s determination shall be
used.

3.3 In determining the Net Generation Capability of the Seller’s Generation
Fleet, the Parties shall review the actual performance experience of the
Seller’s Generation Fleet for the past calendar year and determine by mutual
agreement a reasonable value for the Net Generation Capability of the Seller’s
Generation Fleet for the next succeeding calendar year or during the time period
remaining until the next calendar year determination. The Parties shall give due
consideration to pollution control restrictions, the effect of any outage time
required for expected replacements, extensions, and improvements or major
maintenance of an unusual nature which is in excess of four weeks' duration
which would affect the daily capability of the Seller’s Generation Fleet and any
other factors as may be reasonably determined by the Parties to have an impact
on the Net Generation Capability of the Seller’s Generation Fleet.

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3.4 Unless otherwise agreed to by the Parties, the scheduling of energy shall be
in accordance with the following:

(a) Seller shall provide to Buyer notice of the amount of hourly capacity it has
available (“Hourly Available Capacity”) to sell for next day delivery during a
morning generation conference call which will be held at 0700 CPT each day. 
Seller shall provide such prior notice to Buyer so that Buyer may schedule the
generation into the MISO Day Ahead (DA) market (which currently closes at 1100
EST) or into another market on the business day prior to the next delivery day
that quantity of associated energy Buyer needs to sell into the applicable
market for next day delivery.   Seller should also provide, via an electronic
means made available by the Buyer, the Hourly Available Capacity to the Buyer by
0800 CPT.  Further, the Seller shall make all efforts to immediately notify the
Buyer prior to the close of the MISO DA market as to changes following the 0800
CPT electronic declaration that will affect the next day deliverability so the
Buyer may update the next day schedule.
 
(b) Seller shall immediately notify Buyer via a phone call of any change in the
amount of capacity it has available on an intra-day basis so that Buyer may
adjust Buyer’s energy schedule accordingly for  both the current and next hour
delivery. 

(c) In addition to the quantity of energy Seller indicated would be available to
Buyer for next day delivery, Buyer shall use commercially reasonable efforts to
schedule, no later than  thirty  minutes prior to the start of the next clock
hour, that quantity of additional energy that Seller timely indicates to Buyer
will become available for next hour delivery.   

(d) All energy shall be scheduled for delivery in whole megawatts. Seller shall
be excused from its obligation to deliver and shall not be obligated to operate
any unit or units within the Seller’s Generation fleet for delivery of energy
hereunder where the amount of energy scheduled by Buyer cannot be delivered by
operating one or more of the units in the Seller’s Generation Fleet at or above
the minimum run requirement for such unit or units (“Minimum Run Requirement”).
Seller shall provide reasonable notice to Buyer when Buyer fails to schedule a
sufficient amount of energy to satisfy the Minimum Run Requirement.

Article IV
Pricing
 
4.1 Energy Charge: For each MWh of associated energy delivered by Seller and
purchased by Buyer during the month of delivery, Buyer shall pay an Energy
Charge equal to the amount calculated in accordance with the following formula:

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Energy Charge = (Buyer’s Monthly Net Revenues - Monthly Capacity Charge) / Total
Energy Purchased by Buyer

Where:

Buyer’s Monthly Net Revenues = Buyer’s Total Revenues less Buyer’s Expenses.

Buyer’s Total Revenues = Buyer’s gross revenues less any gross revenues
associated with activities not supported in whole or in part by Seller’s
generation or the generation owned and operated by AmerenEnergy Resources
Generating Company (“AERG”).

Buyer’s Expenses = All administrative and general, transmission, purchased power
or other expenses less those expenses not supporting in whole or in part the
gross revenues associated with Seller’s generation or the generation owned and
operated by AERG.

Monthly Capacity Charge = the capacity charge assessed by Seller to Buyer each
month for capacity purchased pursuant to this Agreement and by AERG for capacity
purchased pursuant to the Power Supply Agreement between Buyer and AERG dated
December 18, 2006.

Total Energy Purchased by Buyer = the total MWhs of energy purchased by Buyer
from Seller and Seller’s affiliate AERG.

4.2 Monthly Capacity Charge: Buyer shall also pay a Monthly Capacity Charge,
which shall be calculated in accordance with Attachment A. If accounting
information is not available to exactly determine the Monthly Capacity Charge by
the invoicing deadline for a given month, the Monthly Capacity charge will be
estimated in a commercially reasonable manner and adjusted to actual on the
following month’s invoice.

Article V
Billing and Payment

5.1  By the twentieth business day of the month immediately following the month
of service, Seller shall render to Buyer an invoice indicating the Energy Charge
and the Monthly Capacity Charge for such month of delivery and any credit or
assessment to reflect any adjustment needed to rectify differences between the
estimated Monthly Capacity Charge and the actual Monthly Capacity Charge for
prior months of delivery. Buyer shall make payment promptly upon the receipt of
such statement, and, in any event, no later than the 25th day of the month in
which such invoice is rendered, provided, however, such due date shall be
extended by the number of days Seller is late in rendering the invoice.

5.2 Seller shall keep complete and accurate records, meter readings and
memoranda of its operations and costs for the Seller’s Generation Fleet and the
sale of its capacity and energy under this Agreement and shall maintain such
data for a period of at least five (5) years
 
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after the completion of each billing month of this Agreement. In addition to the
right of Buyer to review certain costs sixty (60) days prior to the end of the
first calendar year and each calendar year thereafter as set forth in Article
IV, Buyer shall have the right, at its own expense and during reasonable hours,
to examine the records of Seller to enable it to determine the accuracy and
reasonableness of payments made for energy and capacity purchased under this
Agreement. Such right shall continue for two (2) years after receipt of each
monthly billing statement. Buyer shall have the right to dispute any billing up
to two (2) years after it is rendered. Buyer shall likewise make available to
Seller any statements, invoices or other documents evidencing the quantity of
energy delivered at the Delivery Point. If any such examination reveals any
inaccuracy in any statement, Seller shall promptly revise such statement and the
Party owing the adjusted amount shall promptly make payment.

Article VI
Operations

6.1 Metering: Seller shall own and maintain such metering equipment as may be
necessary to provide complete information regarding the delivery of capacity and
energy to or for the account of Buyer at the Delivery Point. Seller shall make
such periodic tests and inspections of its meters as may be necessary to
maintain them at the highest practical commercial standard of accuracy, and
shall advise Buyer promptly of the results of any such test showing an
inaccuracy of more than 1 percent. Seller shall make additional tests of its
meters at the request of Buyer. Buyer shall be given notice of, and may have
representatives present at, such tests and inspections. If any periodic or
additional test shows that a meter is within 1 percent of accuracy, no
correction shall be made in billings; but if any test shows that the meter is
inaccurate by more than 1 percent, a correction shall be made in the billing for
one-half the elapsed period since the last test was made. The cost of any
additional test requested by Buyer shall be borne by Buyer if such test shows
the meter to be within 1 percent of accuracy, and by Seller if such test shows
it to be inaccurate by more than 1 percent.

6.2 Winter Operations: The Parties recognize that there may be some units within
the Seller’s Generation Fleet that operate primarily during the months of April
through October of each year. The Parties further recognize that additional
costs may be incurred in order to commence operations of certain units during
the winter season after cessation of operations for a time, and that certain
modifications to such units such as installation of inlet air de-icing equipment
may be needed. Upon Buyer’s request, Seller shall provide Buyer an estimate of
such additional costs for the modifications necessary for winter operations.
Should Buyer agree to incur the additional costs and/or to pay the costs for
necessary modification, Seller shall make such necessary modifications. The
additional fixed costs of such modifications upon their completion shall be
included in Monthly Capacity Charge.

6.3 Operating Committee: Seller and Buyer shall appoint one or more members to
an Operating Committee, which shall have the authority to establish normal
system control procedures, and to act in matters relating to the sale and
purchase of capacity and energy under this Agreement, in addition to specific
authority set out elsewhere in this Agreement. The Operating Committee shall
have no authority to modify the terms or conditions of this Agreement except
pursuant to Section 8.9. All decisions of the Operating Committee shall be
 
 
 
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unanimous and shall be set forth in writing, with copies to be delivered to each
Party. Buyer shall also aid in providing guidance to Seller relative to other
matters arising under this Agreement. All recommendations or determinations of
the Operating Committee shall conform to good utility practice. In the event
that the Operating Committee members cannot agree on such matters for which this
Agreement requires the Operating Committee’s approval, the Seller may seek
resolution of the question or controversy by arbitration pursuant to Section
8.4; provided, however, no initial meeting prior to initiating arbitration
procedures shall be required.

6.4.  Construction and Operating Plans: Seller agrees to operate and maintain
the Seller’s Generation Fleet so that the total net megawatts deliverable from
the Seller’s Generation Fleet shall be at its highest level possible consistent
with safe, prudent and efficient operation and the requirements of Buyer. By
September 1 of each year, Seller shall submit to the Operating Committee Sellers
proposed construction and operating plans, and any proposed plans for retirement
of any unit or units within the Seller’s Generation Fleet for the next calendar
year.

6.5  Scheduled Maintenance: On or before September 1 of each year, Seller shall
provide to the Operating Committee its schedule of planned maintenance outages
for the following calendar year.

Article VII
Events of Force Majeure and Default

7.1 Force Majeure Definition: As used in this Agreement, an Event of Force
Majeure means an event or circumstances which prevents one Party (the Claiming
Party) from performing its obligations or causes delay in the Claiming Party’s
performance under this Agreement, which event is beyond the reasonable control
of, and is not the result of the negligence of the Claiming Party, and which,
even with the exercise of due diligence or use of good utility practice, the
Claiming Party is unable to overcome or avoid or cause to be avoided, such as,
but not limited to acts of God; fire; flood; earthquake; war; riots;
requirements, actions or failure to act on the part of governmental authorities;
adoption or change in any law, regulation, statute, rule or regulation imposed
by federal, state or local governmental bodies, including, without limitation, a
change in the interpretation thereof; or any lawful order by any court or
administrative agency. Interruptions or curtailment of (i) non-firm transmission
by Buyer’s transmission provider or (ii) interruptible transportation by
Seller’s natural gas pipeline shall not constitute Events of Force Majeure.

7.2  Excused Performance: Except for obligations to make any payments under this
Agreement, the Parties shall be excused from performing their respective
obligations if and to the extent that they are unable to so perform or are
prevented from performing by a Force Majeure, provided that (1) the
non-performing Party, as promptly as practicable after the Party reasonably
determines that a Force Majeure event has occurred, gives the other Party
written notice describing the particulars of the occurrence; (2) the suspension
of performance is of no greater scope and of no longer duration than is
reasonably required by the Force Majeure; (3) the non-performing Party uses due
diligence to remedy its inability to perform; and (4) as soon as the
non-performing Party is able to resume performance of its obligations excused as
a result of the occurrence, it gives prompt written notification thereof to the
other Parties. Seller’s failure to
 
 
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deliver unit firm capacity and associated energy scheduled by Buyer shall be
excused, in addition to an Event of Force Majeure, in the event that any one or
more units of the Seller’s Generation Fleet is unavailable as a result of a
Forced Outage (as defined in the NERC Generating Unit Availability Data System
(GADS) Forced Outage reporting guidelines).

7.3  Performance Assurance: If either Party ("X") has reasonable grounds to
believe that the other Party's ("Y") creditworthiness or performance under this
Agreement has become unsatisfactory, X may provide Y with written notice
requesting Performance Assurance in an amount determined by X in a commercially
reasonable manner. Upon receipt of such notice, Y shall have three (3) Business
Days to remedy the situation by providing Performance Assurance to X. Failure of
Y to provide Performance Assurance, or a guaranty or other credit assurance,
acceptable to X within three (3) Business Days after written notice shall
constitute an Event of Default under the Agreement. "Performance Assurance"
means collateral in the form of either cash, Letter(s) of Credit, or other
security acceptable to the requesting Party. "Letter(s) of Credit" means one or
more irrevocable, transferable standby letters of credit issued by a U.S.
commercial bank or a foreign bank with a U.S. branch with such bank having a
credit rating of at least A- from the Standard & Poor's Rating Group or A3 from
Moody's Investor Services, Inc. "Business Day" means any day except a Saturday,
Sunday or a Federal Reserve Bank holiday.

7.4  Grant of Security Interest: To secure its obligations under this Agreement
and to the extent either or both Parties deliver Performance Assurance
hereunder, each Party (a "Pledgor") hereby grants to the other Party (the
"Secured Party") a present and continuing first priority secured interest in,
and lien on (and right of recoupment and set-off against), and assignment of,
all cash collateral and cash equivalent collateral and any and all proceeds
resulting therefrom or the liquidation thereof, whether now or hereafter held
by, on behalf of, or for the benefit of, such Secured Party, and each Party
agrees to take such action as the other Party reasonably requires in order to
perfect the Secured Party's first-priority security interest in, and lien on
(and right of recoupment and/or setoff against), such collateral and any and all
proceeds resulting therefrom or from the liquidation thereof.

7.5  Event of Default: An "Event of Default" shall occur:  

(a) With respect to Seller, if a Forced Outage continues for a period of one (1)
year on one or more units of Seller's Generation Fleet;

(b) With respect to Buyer, if Buyer fails to make, when due, any payment
required pursuant to this Agreement if such failure is not remedied within five
(5) calendar days after written notice;

(c)  With respect to either Seller or Buyer, if it fails to perform any material
covenant or obligation set forth in this Agreement (except to the extent
constituting a separate Event of Default) if such failure is not cured within
fifteen (15) calendar days after written notice;
 
(d) With respect to either Seller or Buyer, if it (i) files a petition or
otherwise commences, authorizes, or acquiesces in the commencement of a
proceeding or cause of
 
 
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action under any bankruptcy, insolvency, reorganization or similar law, or has
any such petition filed against it, (ii) makes an assignment or general
arrangement for the benefit of creditors, (iii) otherwise becomes bankrupt or
insolvent (however evidenced), or (iv) has a liquidator, administrator,
receiver, trustee, conservator or similar official appointed with respect to it
or any substantial portion of its property or assets;

(e) With respect to either Seller or Buyer, if it fails to provide Performance
Assurance in accordance with Section 7.3 of this Agreement within three (3)
Business Days after written notice.

7.6 Termination in Event of Default: If an Event of Default, as defined above,
occurs, the Party not in default shall, in addition to any other rights and
remedies provided by law, have the right to immediately suspend its performance
to the Party in default or to immediately terminate this Agreement.

Article VIII
General Provisions

8.1  Notices: All notices, requests statements or payments shall be made as
specified in the Notice and Contact Appendix attached to this Agreement and
shall, unless otherwise specified herein, be in writing (unless otherwise
provided) and shall be considered duly delivered when received by mail,
facsimile, wire, e-mail or overnight courier.

8.2 Indemnity and Limitation of Damages: Each Party (the Indemnifying Party)
shall indemnify, save harmless and defend the other Party, including the other
Party’s parents, subsidiaries, affiliates and their respective officers,
directors, agents and employees, from and against all claims, demands, costs and
expenses (including reasonable attorneys’ fees and court costs) in any manner,
directly or indirectly, connected with or arising from any loss, damage or
injury to any person(s) or property occurring on the Indemnifying Party’s side
of the Delivery Point. Neither Party shall be liable to the other, whether in
contract, in tort (including negligence, but not including gross negligence)
under any warranty or otherwise, for damages for loss of profits or revenue,
loss of use of any property, cost of capital, or other similar incidental or
consequential damages.  
 
8.3 Regulatory Approvals and Saving Clause: The Parties recognize that the sale
and delivery of capacity and energy under this Agreement may be subject to
regulation by federal and state agencies having jurisdiction over the Agreement,
Buyer, Seller and various aspects of the transmission and delivery of capacity
and energy to Buyer. Any provision declared or rendered unlawful by any
applicable court of law or such regulatory agency or deemed unlawful because of
a statutory or regulatory change shall not otherwise affect the remaining lawful
obligations that arise under the Agreement. In the event that any order of a
court or regulatory agency with competent jurisdiction, including the Federal
Energy Regulatory Commission, results in substantive modification of the
Agreement or otherwise affects the Parties’ economic benefits intended under the
Agreement, the Parties shall use good faith efforts to reform the Agreement in
order to give effect to the original intention and economic bargain of the
Parties.
 
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8.4 Resolution of Disputes: If a question or controversy arises among the
Parties concerning the observance or performance of any of the terms, provisions
or conditions contained herein or the rights or obligations of any of the
Parties under this Agreement, such question or controversy shall in the first
instance be the subject of a meeting among the Parties to negotiate a resolution
of such dispute. Such meeting shall be held within fifteen (15) days of a
request by any Party. If within fifteen (15) days after that meeting, the
Parties have not negotiated a resolution or mutually extended the period of
negotiation, any Party may seek resolution of the question or controversy by
arbitration in accordance with arbitration procedures established from time to
time by the American Arbitration Association (“AAA”). Any decision and award of
the majority of arbitrators shall be binding upon all Parties to the
arbitration. The arbitrators shall not award any indirect, special, incidental
or consequential damages against a Party; but may award reasonable attorney fees
and related legal expenses to the prevailing Party. Judgment upon the award
rendered may be entered in any court of competent jurisdiction. Such judgment
shall be consistent with the terms and conditions, and the spirit of this
Agreement.
 
8.5 Assignment: This Agreement shall inure to the benefit of and be binding upon
each Party’s successors and permitted assigns. No Party shall assign this
Agreement or their related contractual rights without the prior written consent
of the other Party, which prior written consent shall not be unreasonably
withheld or delayed; provided, however, any Party may, with ten (10) days
written notice to the other Party, and without written consent of the other
Party, assign or transfer this Agreement to (i) its affiliate or subsidiary; or
(ii) a successor to all or substantially all the properties and assets of such
Party; provided that the assignee is at least as creditworthy as the assigning
Party. No assignment of this Agreement shall release or discharge Buyer or
Seller from their future obligations hereunder unless all such obligations are
assumed by the successor or assignee of Buyer or Seller, as the case may be.

8.6 Jurisdiction: Except as to matters within the jurisdiction of particular
regulatory bodies outside the State of Illinois, this Agreement shall be
construed under the laws of the State of Illinois.

8.7 No Confidentiality: The Parties acknowledge that this Agreement will be
filed with the Securities and Exchange Commission. Thus, its terms and
conditions will be placed in the public domain.

8.8 Survivorship of Obligations: The termination of this Agreement shall not
discharge any Party from any obligation it owed to any other Party under the
Agreement by reason of any delivery, loss, cost, damage, expense or liability
which shall occur or arise prior to such termination. It is the intent of the
Parties that any such obligation owed (whether the same shall be known or
unknown as of the termination of this Agreement) shall survive the termination
of this Agreement. The Parties also intend that the indemnification and
limitation of liability provisions contained in this Agreement shall remain
operative and in full force and effect, regardless of any termination of this
Agreement, except with respect to actions or events occurring or arising after
such termination is effective.

8.9 Construction of Agreement:  This Agreement shall not be modified except in
writing by amendment executed by all Parties. This Agreement shall not impart
any rights
 
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enforceable by any third party (other than a permitted successor or assignee
bound to this Agreement). Waiver by a Party of any default by another Party
shall not be construed as a waiver of any other default. The Article and Section
headings in this Agreement have been inserted as a matter of convenience
and reference only, and are not a part of this Agreement.

8.10 Buyer and Seller each acknowledge that it is a "forward contract merchant"
and that this Agreement constitutes a "forward contract" within the meaning of
the United States Bankruptcy Code.
 
IN WITNESS WHEREOF, that this Power Supply Agreement between Ameren Energy
Marketing Company and Ameren Energy Generating Company may be executed in any
number of counterparts, all of which shall constitute but one and the same
document, the Parties hereto have caused this Agreement to be executed by their
duly authorized officers, as of the day and year first above written:

Ameren Energy Marketing Company

By     /s/Andrew M. Serri                                                     
  Andrew M. Serri

Title  President                                       
                               

Ameren Energy Generating Company

By     /s/ Jerry L. Simpson                                                   
  Jerry L. Simpson

Title  Vice
President                                                                           

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 POWER SUPPLY AGREEMENT
 BETWEEN AMEREN ENERGY MARKETING COMPANY
 AND
 AMEREN ENERGY GENERATING COMPANY
 
 NOTICE AND CONTACT APPENDIX
   
AMEREN ENERGY MARKETING
AMEREN ENERGY GENERATING
COMPANY
   
All Notices:
All Notices:
   
Street: 1901 Chouteau Avenue
Street: 1901 Chouteau Avenue
 M/C AME-950
 M/C AME-950
City/State/Zip: St. Louis, MO 63103
City/State/Zip: St. Louis, MO 63103
 
 
Contract Administration 
Contract Administration
Attn: Daphyne Bradley
Attn: Daphyne Bradley
Phone: (314) 613-9413
Phone: (314) 613-9413
Facsimile: (314) 613-9015
Facsimile: (314) 613-9015
Email: dbradley@ameren.com
Email: dbradley@ameren.com
   
Invoices
Invoices
Attn: Greg Weiss
Attn: Greg Weiss
Phone: (314) 613-9477
Phone: (314) 613-9477
Facsimile: (314) 613-9015
Facsimile: (314) 613-9015
Email: gweiss2@ameren.com 
Email: gweiss2@ameren.com
   
Scheduling 
Scheduling
Attn: Jinna Hopson
Attn: Jinna Hopson
Phone: (314) 613-9043
Phone: (314) 613-9043
Facsimile: (314) 206-1682
Facsimile: (314) 206-1682
Email: jhopson@ameren.com 
Email: jhopson@ameren.com
   
Credit
Credit
Attn: Director of Credit
Attn: Director of Credit
Phone: (314) 613-9139
Phone: (314) 613-9139
Facsimile: (314) 613-9006
Facsimile: (314) 613-9006
Email: tmoloney@ameren.com 
Email: tmoloney@ameren.com
   

 
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Attachment A
 
Capacity Charge Calculation
 

I.     
Definitions

 
When used in this Attachment A, the following capitalized terms shall have the
meanings ascribed to them below.
 
Administrative and General Expenses means those Generating Resource Expenses
chargeable to Accounts 920 through 935 as defined in the Uniform System of
Accounts.
 
Depreciation means Generating Resource Expenses properly chargeable to Accounts
403, 404, 405 and 406 as defined in the Uniform System of Accounts.

Generating Resources shall means those generating assets owned and operated by
Seller from which Seller provides capacity and energy to Buyer under the terms
and conditions of this Agreement.
 
Generating Resource Expense shall mean all charges properly recorded in accounts
herein per Generally Accepted Accounting Principles (“GAAP”) and the Uniform
System of Accounts (“Charges”) that are incurred by Seller to own, operate and
maintain its Generating Resources. The Parties understand and agree that Seller
shall have charges that are directly attributable to such Generating Resources
and other Charges that are necessary to support the ownership, maintenance and
operation of such Generating Resources but cannot be directly or specifically
assigned to such Generating Resources (hereinafter “Non-Direct Charges”) (e.g.,
administrative and general expenses) and are therefore, for purposes of this
Agreement, also considered Generating Resource Expenses.

Operations and Maintenance Expenses means those Generating Resource Expenses
chargeable to Accounts 500 through 557 (excluding Accounts 501, 509, 547, and
555) as defined in the Uniform System of Accounts.

Other Taxes means those amounts which are not based upon income, applicable to
Generating Resources, and chargeable to Account 408 as defined in the Uniform
System of Accounts.

Seller Federal and State Income Taxes means those amounts based upon income
applicable to the Seller Generating Resources chargeable to Accounts 408.1,
409.1, 410.1, 411.1, and 411.4 as defined in the Uniform System of Accounts.

Seller Interest Expense means those Generating Resource Expenses chargeable to
Accounts 427 through 432 as defined in the Uniform System of Accounts.
 

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II.   
Capacity Payment

 
The Capacity Payment for a given Month shall be calculated as follows:

Capacity Payment = OM + AG + D + IT+ OT + I

Where:

OM = Operations and Maintenance Expenses - those Generating Resource Expenses
chargeable to Accounts 500 through 557 (excluding Accounts 501, 509, 547, and
555) as defined in the Uniform System of Accounts.

AG = Administrative and General Expenses - those Generating Resource Expenses
chargeable to Accounts 920 through 935 as defined in the Uniform System of
Accounts.

D = Depreciation consists of Generating Resource Expenses properly chargeable to
Accounts 403, 404, 405 and 406 as defined in the Uniform System of Accounts.

IT = Seller Federal and State Income Taxes.

OT = Other Taxes - those amounts which are not based upon income, applicable to
Generating Resources, and chargeable to Account 408 as defined in the Uniform
System of Accounts.

I = Seller Interest Expense - those Generating Resource Expenses chargeable to
Accounts 427 through 432 as defined in the Uniform System of Accounts.

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