Reliant Energy Gas Transmission Company

Fifth Revised Volume No. 1

Effective Date: 06/01/2002, Docket: RP00-482-004, Status: Effective

Substitute Second Revised Sheet No. 245 Substitute Second Revised Sheet No. 245 : Effective

Superseding: First Revised Sheet No. 245

GENERAL TERMS AND CONDITIONS

(continued)

Gross Heating Value shall mean the number of British Thermal Units

produced by the combustion at constant pressure of the amount of

dry Gas which would occupy a volume of one cubic foot at a

temperature of sixty degrees (60) Fahrenheit and under an absolute

pressure of 14.73 pounds per square inch with air of the same

temperature and pressure as the Gas, when the products of

combustion are cooled to the initial temperature of Gas and air,

and when the water formed by combustion is condensed to the liquid

state.

GSR Index Price. See Section 23.2(a).

Hour shall mean a period of sixty consecutive minutes beginning at

the top of the hour, e.g., 9:00, or such other time mutually

acceptable to Transporter and Shipper.

Imbalance shall mean the difference in the Dth or quantity of Gas

which Shipper receives at the Point(s) of Delivery and the MMBtu

or quantity of Gas which Transporter receives for the account of

Shipper at the Point(s) of Receipt (exclusive of the quantity

received as Storage Fuel Use and LUFG, if any, and Fuel Use and

LUFG) at any time or during any given period under a Service

Agreement.

Index Price shall mean the highest average weekly or monthly price

for a given Month, as published, or calculated using published

listings of prices, in Gas Daily for gas delivered at the

applicable point or for the Pooling Area or geographic area which

most closely approximates the applicable point or Pooling Area (if

spot prices are quoted for Transporter's Pooling Areas or other

geographic designations) in which the applicable activity

occurred. If such publication is no longer published, the Index

Price shall be derived in the same manner, using the prices quoted

in Inside FERC's Gas Marketing Report.

Injection Period. See Section 7 of Rate Schedule FSS.