Pine Prairie Energy Center, LLC

Original Volume No. 1

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

Original Sheet No. 200 Original Sheet No. 200 : Effective

FIRM STORAGE SERVICE AGREEMENT

(For Use Under Rate Schedule FSS)

This Agreement is made as of the ______day of_____________, ____,

by and between PINE PRAIRIE ENERGY CENTER, LLC, a Delaware limited

liability company herein called "PPEC," and ________________, an

__________, herein called "Customer," (each of PPEC and Customer,

a "Party," and collectively, the "Parties"), pursuant to the

following recitals and representations:

WHEREAS, PPEC owns and operates an underground natural gas storage

facility known as the Pine Prairie Energy Center, located in

Louisiana, and is authorized to provide natural gas storage and

related services in interstate commerce by way of the Pine Prairie

Energy Center; and

WHEREAS, Customer has requested that PPEC provide certain firm

natural gas storage services for Customer; and

WHEREAS, PPEC has agreed to provide such firm storage services for

Customer subject to the terms and conditions set forth in this

Agreement.

NOW, THEREFORE, PPEC and Customer agree as follows:

ARTICLE I - SCOPE OF AGREEMENT

Following the commencement of service hereunder, in accordance

with the terms of PPEC's Rate Schedule FSS, and of this Agreement,

PPEC shall on any Day receive for injection into storage in the

Pine Prairie Energy Center for Customer's account a quantity of

Gas up to Customer's Maximum Daily Injection Quantity as set forth

on Exhibit "A" hereto, shall store quantities of Gas so injected

up to a Maximum Storage Quantity as set forth on Exhibit "A"

hereto (on a cumulative basis), and on demand on any Day shall

withdraw from Customer's Storage Inventory and deliver to Customer

a quantity of Gas up to Customer's Maximum Daily Withdrawal

Quantity as set forth on Exhibit "A": hereto.

ARTICLE II - POINTS OF RECEIPT AND DELIVERY

The point(s) at which the Gas is to be tendered by Customer to

PPEC under this Agreement shall be the point(s) designated on

Exhibit "B" hereto (Customer's Point(s) of Receipt).

The point(s) at which the Gas is to be tendered by PPEC to

Customer under this Agreement shall be the point(s) designated on

Exhibit "B" hereto (Customer's Point(s) of Delivery).