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Chehalis Generation Facility

The Chehalis Generation Facility is a natural gas-fired combined-cycle facility. The 30 acre project site is located south of Chehalis, Washington, east of Interstate 5 in the Chehalis Industrial Park in Lewis County (location map)

In March 1997, Governor Locke approved the original Site Certification agreement (license to construct and operate) of the Chehalis Generation Facility. The facility licensed at that time proposed a total generating capacity of 460 MW, with the capability to provide approximately 100,000 lb/hr of steam to a process host. In March 2001, Governor Locke approved the first amendment to the Site Certification Agreement, allowing an increase in generating capacity from 460 MW to 520 MW, a change to a dry cooling system and associated water supply and discharge modifications, and allowing the facility to operate as a "merchant plant".

Construction began in May 2001 with commercial operations starting in October 2003.

In September 2008 EFSEC (through Order No. 836 and Resolution No. 325) transferred the Site Certification Agreement (Amendment No. 2) to PacifiCorp upon completion of the sale of the project to PacifiCorp.

Certificate Holder: PacifiCorp
1813 Bishop Road
Chehalis,
WA 98532
(360) 748-1300
 
Facility: 520 MW natural gas fired combined cycle combustion turbine.
 
Status: Commercial operation began October 1, 2003.
 
General Information: 

Site Certification Agreement:

2008 Chehalis Generation Facility Site Certification Agreement Amendment No. 2 (24 pages)
  • Attachment 1 - Site legal Description (3 pages)
  • Attachment 2 - Notice of Construction and Prevention of Significant Deterioration Application Approval EFSEC/95-02 Amendment 2 (10 pages) 
  • Attachment 3 - Excavation and Erosion control Measures (6 pages)
  • Attachment 4 - Mitigation Measures and Project Conditions (10 pages)
  • Attachment 5 - Stipulated Agreements with the Critical Issues Council 
  • Attachment 6 - Stipulated Agreements with the Washington State Department of Ecology and Department of Fish and Wildlife 

2001 Site Certification Agreement Amendment No. 1 (25 pages)

Other Pertinent Permits or Plans:

Air emissions resulting from the operation of the facility are permitted under the conditions of the PSD Permit.

In approving the project EFSEC required the project to provide plan for mitigation of CO2.  Through 2003 EFSEC and Chehalis Power discussed CO2 mitigation plan development and in September 2002 EFSEC approved the Chehalis Green House Gas Offset Strategy and Plan.

Key permitting documents:

  • Council Order No. 753 recommending approval: PDF

  • Additional Council orders and resolutions associated with this project are listed on the Orders and Resolutions Page.

 

Recent Activity:

July 27, 2009 Air Permit - Notice of Construction (NOC) for Auxiliary Boiler. Comments due by 5:00 pm August 12, 2009.

March 5, 2009 Auxiliary Boiler Application

 September 22, 2008 EFSEC completes the SCA transfer to PacifiCorp,  terminates the TNA Merchant Projects' Guaranty, and approves a Revised Site Restoration Plan.

Council Resolution No. 325 finalizes the transfer of the Chehalis Site Certification Agreement to PacifiCorp.

July 8, 2008 EFSEC approves transfer of the Chehalis Site Certification Agreement to PacifiCorp.

EFSEC Order No. 836 authorizes the transfer of the Chehalis Generation Facility Site Certification Agreement when EFSEC receives notice that the sale of the Chehalis Generation Facility to PacifiCorp is complete.  Upon receipt of the sale notice EFSEC will issue a Resolution that amends the Site Certification Agreement to reflect ownership by PacifiCorp.

May 21, 2008 PacifiCorp's request to transfer the Chehalis Site Certification Agreement.

EFSEC will take public comment on PacifiCorp's request to transfer the Site Certification Agreement at a Special Meeting and Informational Hearing:

     7:00 p.m.  June 3, 2008
     Chehalis City Council Chambers
     350 N. Market Blvd
     Chehalis, WA  98352

See the Notice for more details on oral and written comments.  Written comments are due by 5:00 p.m. on June 6, 2008.

See PacifiCorp's request and other information below.

EFSEC is expected to take action on the request at its June 10, 2008 meeting.

SEPA Determination of Nonsignificance and Environmental Checklist

 

May 13, 2008  PacifiCorp is purchasing the Chehalis Generation Project and requested EFSEC transfer the Site Certification Agreement from Suez Energy Generation to Pacific Corp. 

July 11, 2006  NOC/PSD Amendment 2 Final Approval

April 10, 2006 Title V Air Operating Permit and draft NOC/PSD Amendment issued for public comment

 

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Additional Information:

For information or questions concerning this project please contact:     

Jim LaSpina, EFSEC Specialist 
Energy Facility Site Evaluation Council 
905 Plum Street SE
PO Box 43172 
Olympia, WA 98504-3172
(360) 956-2047

jim.laspina@commerce.wa.gov

To be added to the Chehalis Generation Facility mailing list, please:

  • contact Tammy Talburt at (360) 956-2122, or

  • e-mail your complete name and postal address to efsec@commerce.wa.gov  and indicate if you want to receive notices of future permitting activity for this project by e-mail, surface mail, or both methods of delivery.

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