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Satsop Combustion Turbine Project - Amendment No. 5

Proponent: Invenergy LLC
2580 W. Main Street, #200

Littleton, CO 80120 
(303) 730-1538
Proposed Facility: New Units 3 and 4 consisting of 2 combined cycle natural gas-fired combustion turbines and 1 steam generator totaling 650 MW
Location: Elma, Grays Harbor County
Status: October 30, 2009: Request for Amendment 5
Current Activity: Amendment review started

General Description of the Amendment Request:

Grays Harbor Energy LLC (the Certificate Holder) is proposing to increase the Satsop Combustion Turbine (CT) Project's capacity by approximately 650 megawatts (MW) to a total of approximately 1,300 MW.  As with the existing facility (Units 1 and 2), the addition would consist of two gas turbines and one steam turbine in a 2-on-1 configuration that would generate electricity to supply growing regional electrical demand.  The new facilities are referred to as Units 3 and 4.(artist illustration). 

The October 30, 2009 Amendment Request No. 5 is specifically asking EFSEC to: 

  1. Change the name of the project from the Satsop CT Project to the Grays Harbor Energy Center.
  2. Allow the addition of two combustion turbine generators and one steam generator (Units 3 and 4) to increase the facility capacity by approximately 650 MW to a total of approximately 1,300 MW.
  3. Enlarge the project site by 10 acres to allow space for construction laydown and access.
  4. Approve a PSD permit for Units 3 and 4 (existing PSD permit would remain in place for Units 1 and 2).
  5. Increasing the total maximum water usage from 9.2 cfs to 16 cfs – no new water authorizations are requested; the additional water would be either purchased or leased from the holder of an existing water right or authorization, such as the Grays Harbor Public Development Authority or the City of Aberdeen.


Units 3 and 4 would be located entirely within the boundaries of the previously permitted site; however, the site boundary would be enlarged to include 10 acres for construction laydown and access.  Units 3 and 4 will be located on land that has already been disturbed and developed for industrial use. The facility will continue to be fueled by natural gas, and no backup fuel source is proposed. The Grays Harbor Energy Center will continue to utilize the natural gas pipeline installed for the existing facility.

Power produced by the Grays Harbor Energy Center will continue to be routed through transmission lines that were installed as part of the original project construction and continue to connect to the Bonneville Power Administration (BPA) system at BPA’s Satsop substation. The power will be exported on lines to be installed for Units 3 and 4 on the existing tower structures constructed for Units 1 and 2, from the facility site to the BPA Satsop substation, which is located approximately 4,000 feet east of the site.

Timeline for Review of Amendment 5: No timelines yet developed

SCA Amendment Request  (No. 5) October 2009

November 2009

Other Key Documents:

Recent Activity:

November 10, 2009 Request for Expedited Processing and SEPA Checklist

October 30, 2009 - Request to amend the SCA to increase capacity by 650 mw by adding new Units 3 & 4, change the name to Grays Harbor Energy Center, issue a new PSD for Units 3 & 4, and increase total project water use.

 

To be added to the Satsop CT project mailing list, please:

  • contact Tammy Talburt at (360) 956-2121

or

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