Portland General Electric Company

Original Volume No. 1

Effective Date: 09/01/2005, Docket: RP05-550-000, Status: Effective

First Revised Sheet No. 26 First Revised Sheet No. 26 : Effective

Superseding: Original Sheet No. 26

GENERAL TERMS AND CONDITIONS

(Continued)

1. DEFINITIONS (Continued)

1.24 NAESB Definitions/Standards: The business practices and electronic

communication practices promulgated by the Wholesale Gas Quadrant ("WGQ")

of the North American Energy Standards Board ("NAESB") as codified in

Section 284.12(a) of the Commission's regulations.

1.25 Gross Heating Value: The total Btu content for a cubic foot of gas

on a dry basis as determined by calculation from compositional analysis

using physical properties of gases at 14.73 psia and 60F as prescribed

by the American Gas Association.

1.26 Intra-Day Nomination: "An intra-day nomination is a nomination

submitted after the nomination deadline whose effective time is no

earlier than the beginning of the gas day and runs through the end of

that gas day." NAESB WGQ Standard 1.2.4.

1.27 Mcf: One thousand cubic feet of gas.

1.28 MMBtu: One million Btus. For purposes of this Tariff and

associated Service Agreements, MMBtu and Dth are synonymous.

1.29 Mainline Transportation System: Transporter's mainline

extending generally from a point near Kelso, Washington to a point near

Port Westward, Oregon, and all Receipt Points and Delivery Points and

ancillary facilities owned in whole or in part by Transporter which

are utilized to provide jurisdictional transportation of natural gas.

1.30 Maximum Currently Effective Rate: The rate, including all

applicable surcharges, designated on Sheet No. 4 of this

Tariff.

1.31 Maximum Daily Delivery Obligation ("MDDO"): The maximum quantity

of gas Transporter is obligated to deliver to a Shipper at a specific

Delivery Point designated on an executed firm Service Agreement.

1.32 Maximum Daily Quantity ("MDQ"): The maximum daily quantity of gas,

expressed in dekatherms, to be delivered by Transporter to Shipper after

transportation, at the Delivery Point(s), after lost and unaccounted for

gas in accordance with the terms of Section 13 of the General Terms

and Conditions.

1.33 Month: A calendar month.