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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 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.

Certificate Holder: Chehalis Power Inc.
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.
 
Current Activity: 2008 - Ongoing operation

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

Site Certification Agreement:

Chehalis Generation Facility Site Certification Agreement (25 pages)
  • Attachment 1 - Site legal Description (3 pages)
  • Attachment 2 - Notice of Construction and Prevention of Significant Deterioration Application Approval EFSEC/95-02 Amendment 1 (13 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 

Attachments 5 and 6 are not available in electronic format at this time - please contact (360) 956-2121 or efsec@cted.wa.gov  to request a hard copy.

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.

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Additional Information:

For information or questions concerning this project please contact:     

Stephen Posner, EFSEC Compliance Manager 
Energy Facility Site Evaluation Council 
905 Plum Street SE
PO Box 43172 
Olympia, WA 98504-3172
(360) 956-2063

efsec@cted.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@cted.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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