Pine Prairie Energy Center, LLC

Original Volume No. 1

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Effective Date: 09/01/2007, Docket: RP07-563-000, Status: Effective

Original Sheet No. 52 Original Sheet No. 52 : Effective

IB RATE SCHEDULE

INTERRUPTIBLE BALANCING SERVICE

(Continued)

In the event PPEC needs to require Customer to either

withdraw its Gas from storage or to inject loan repayment Gas into

storage pursuant to this Section, PPEC shall provide day-ahead

notice to Customer that it must withdraw or inject Gas at its MDWQ

or MDIQ during the next Gas Day. PPEC shall repeat this notice on

a daily basis until all of Customer's Gas is withdrawn from

storage, or all of Customer's Loan Balance is returned, or until

the circumstances necessitating interruption are alleviated. In

the event Customer makes a timely nomination in response to a

notification by PPEC pursuant to this paragraph, Customer's

obligation to comply with that notification shall be tolled until

such time as PPEC's operational conditions allow PPEC to schedule

the nomination.

3. RATES AND CHARGES

Customer shall pay rates and charges for Interruptible

balancing service under this Rate Schedule including the

applicable Interruptible balancing rate components set forth in

the IB Rate Statement and as described below:

(a) Interruptible Balancing Charge. A usage charge for

each Dth of Gas in Customer's Storage Inventory or Loan Balance

under this Rate Schedule at the end of each Day, for each Day

during a given Month.

(b) Interruptible Balancing Injection Charge. A usage

charge for each Dth of Gas injected into PPEC's facilities

pursuant to Section 2(a) of this Rate Schedule.

(c) Interruptible Balancing Withdrawal Charge. A usage

charge for each Dth of Gas withdrawn from PPEC's facilities

pursuant to Section 2(c) of this Rate Schedule.

(d) Fuel Reimbursement. The amount of Gas for fuel and

losses determined in accordance with Section 19 of the General

Terms and Conditions of this FERC Gas Tariff and set forth in

Customer's Hub Services Agreement.

(e) Regulatory Fees and Charges. Customer shall

reimburse PPEC for all fees and charges, as required by the

Commission or any other regulatory body, that are related to

service provided under this Rate Schedule, as set forth in

Customer's Hub Services Agreement.

(f) Taxes. Customer shall reimburse PPEC for all

applicable taxes as may be assessed PPEC, as set forth in Section

15 of the General Terms and Conditions of this FERC Gas Tariff and

in Customer's Hub Services Agreement.