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. 25 Original Sheet No. 25 : Effective

FP RATE SCHEDULE

FIRM PARKING SERVICE

1. AVAILABILITY

This Rate Schedule is available to any Customer for the

purchase of firm parking service from PPEC, provided that:

(a) PPEC has determined that it has sufficient

operationally available firm storage capacity, injection and

withdrawal capacity to perform the firm parking service Customer

has requested;

(b) Customer and PPEC have executed a Firm Parking

Service Agreement under this Rate Schedule;

(c) Customer accepts responsibility for arranging any

transportation service required for utilization of the firm

parking service provided under this Rate Schedule;

(d) Availability of service under this Rate Schedule

shall be subject to a determination by PPEC that its performance

of the service requested hereunder shall not cause a reduction in

PPEC's ability to provide Firm Storage Services under currently

effective Storage Service Agreements; and

(e) Service under this Rate Schedule may not be

available to the extent that PPEC would be required to construct,

modify, expand or acquire any facilities to enable PPEC to perform

the requested services.

2. APPLICABILITY AND CHARACTER OF SERVICE

This Rate Schedule shall apply to all firm parking service

rendered by PPEC to Customer through use of PPEC's storage

facility located in Louisiana pursuant to an executed Firm Parking

Service Agreement. Firm parking service rendered by PPEC to

Customer under this Rate Schedule shall consist of:

(a) The receipt on any Day during the Injection Period

stated in Customer's executed Firm Parking Service Agreement and

injection into storage of Customer's Gas per Customer's nomination

up to the Maximum Daily Injection Quantity ("MDIQ") stated in

Customer's executed Firm Parking Service Agreement, provided that

Customer delivers the nominated quantity plus Fuel Reimbursement

to the Point(s) of Receipt, and Customer's Park Balance has not

exceeded Customer's Maximum Park Quantity;

(b) The tender by Customer of sufficient quantities of

Gas under Section 2.1(a) to ensure that Customer's Park Balance

equals Customer's Maximum Park Quantity at the end of the

Injection Period, provided that, if Customer's injections during

the Injection Period are curtailed by PPEC, Customer shall have a

reasonable period of time immediately following the Injection

Period to make injections as necessary for Customer's Park Balance

to equal its Maximum Park Quantity;