Portland Natural Gas Transmission System

Second Revised Volume No. 1

Effective Date: 09/01/2006, Docket: RP06-449-000, Status: Effective

Original Sheet No. 571 Original Sheet No. 571 : Effective

PRO FORMA

GAS TRANSPORTATION CONTRACT

FOR HOURLY RESERVE SERVICE

This Gas Transportation Contract ("Contract") is made as of the _____Day of

________________ by and between the Portland Natural Gas Transmission System,

a Maine general partnership, herein "Transporter" and [name of shipper] a

[state] [entity], herein "Shipper," pursuant to the following recitals and

representations:

WHEREAS, Shipper intends to enter into natural gas supply arrangements,

including, as necessary, storage and transportation upstream of Transporter's

System, and to make arrangements for the delivery of such gas supply for the

account of Shipper to the receipt point(s), and to make arrangements for the

receipt and transportation of such gas downstream of the delivery point(s) on

Transporter's System; and

WHEREAS, Shipper intends to apply for and, subject to the terms and conditions

set forth herein, receive and accept all necessary federal, provincial or

state regulatory authorizations or exemptions in the United States and Canada

in order to deliver gas for the account of Shipper to the receipt point(s),

and receive and transport such gas downstream of the delivery point(s) on

Transporter's System; and

WHEREAS, Transporter has applied for and holds all necessary United States

regulatory authorizations or exemptions to accept delivery of gas tendered by

Shipper at the receipt point(s) and to transport such gas on behalf of Shipper

to the delivery point(s), subject to the terms and conditions of this contract

for transportation service on Transporter's System between Transporter and

Shipper and Transporter's gas tariff as approved by the FERC (the "FERC

Tariff");

NOW, THEREFORE, in consideration of the mutual covenants and agreements herein

assumed, Transporter and Shipper agree as follows:

1. Shipper shall apply for or cause to be applied for all of the governmental

authorizations or exemptions necessary to enable Shipper to deliver to and

receive from Transporter the transportation quantities specified below.

2. Subject to the conditions herein, Transporter hereby agrees to provide the

Shipper, and Shipper hereby agrees to accept, firm natural gas transportation

service on Transporter's System under Transporter's Rate Schedule HRS,

providing for firm hourly transportation of the quantities of natural gas

specified below. Such firm hourly transportation service shall be provided

for the term specified in Schedule 2. The transportation service, unless

otherwise agreed upon, will be provided at the maximum applicable rate as

approved by the FERC in the Tariff, as the Tariff may be changed from time to

time, subject to the rate discount provisions set forth below.