Puget Sound Energy, Inc.

Original Volume No. 1

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Effective Date: 11/01/1998, Docket: CP98-250-002, Status: Effective

Original Sheet No. 82 Original Sheet No. 82 : Effective

Exhibit A

(dated January 15, 1998)

to the

Jackson Prairie

Gas Storage Project Agreement

Description of the Project

The Storage Project includes Storage Reservoirs, with certificated

characteristics and capabilities as outlined on Exhibit C, along

with all associated properties and facilities. The major plant

facilities in the Storage Project include:

(1) compressor units--three Solar Saturn T-1000 gas turbines,

one Solar Saturn T-1300 gas turbine, two Solar Centaur T-4700 gas

turbines, and three Waukesha reciprocating engines;

(2) dehydration units and gas cooling units adjacent to the

compressors;

(3) bi-directional meter station, including four 12-inch turbine

meters, adjacent to Northwest's Natural Gas Transmission System;

(4) parallel 14-inch, 16-inch and 20-inch transmission lines

extending from the compressors to the meter station;

(5) injection and withdrawal and observation wells, with

appurtenant wellhead separation and measurement equipment; and

(6) lateral lines extending from the injection and withdrawal

wells to the compressors.