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The Draft Transmission Programmatic Environmental Impact Statement (EIS) was released on March 31, 2025. To review the document visit the Transmission PEIS webpage. 
There has been an extension to comment on the Draft PEIS until May 15th. If you would like to submit a comment visit our comment database: https://comments.efsec.wa.gov

EFSEC Document Search

Filter documents by Facility or Post Date.
Format: 06/19/2025
Format: 06/19/2025
Document Group Document Namesort descending File Date
Chehalis Generation Facility Resolution 325 Transfer to PacifiCorp, Termination of TNA Merchant Project's Guaranty, and Approval of Revised Site Restoration Plan 09/22/2008
Columbia Generating Station Resolution 326 Columbia Generating Station - Emergency Preparedness Offsite Agency Support 03/10/2009
Wild Horse Wind Power Project Resolution 326 SCA Attchmt 11 - Expansion of Facility 01/22/2009
Kittitas Valley Wind Power Project Resolution 328 09/01/2009
Columbia Generating Station Resolution 332 - Amendment 1 03/15/2023
Columbia Generating Station Resolution 332 Revisions to the Radiological Environmental Monitoring Program 02/21/2012
Desert Claim Resolution 343 Signed Novmeber 13, 2018 11/13/2018
Columbia Generating Station Resolution 347 Amendment 1 04/23/2021
Columbia Generating Station Resolution 347 Amendment 1 Authorizing Fish Collection for Radiological Environmental Monitoring Program, Subject to Conditions 04/23/2021
Columbia Generating Station Resolution 347 Authorizing Fish Collection for Radiological Environmental Monitoring Program, Subject to Conditions 06/16/2020
Grays Harbor Energy Center Resolution 348 Grays Harbor SCA Amnd 6 12/15/2020
Chehalis Generation Facility Resolution 350 Approving Water Purchase 09/14/2021
Chehalis Generation Facility Resolution 350 Cover Letter 09/14/2021
Grays Harbor Energy Center Resolution 351 Grays Harbor GHG Termination 09/20/2022
Grays Harbor Energy Center Resolution 351 Grays Harbor GHG Termination 09/20/2022
Desert Claim Resolution 353 - Desert Claim SCA Amendment 2 10/18/2023
WNP 1 and 4 Resolution No. 293 Amendment No. 1, Energy Northwest Change of Name, Columbia Generating Station Change of Name 09/11/2000
WNP 1 and 4 Resolution No. 293, Energy Northwest Change of Corporate Name 11/19/1998
WNP 1 and 4 Resolution No. 296 Hanford Wildlife Mitigation Project 11/13/2000
WNP 1 and 4 Resolution No. 302 Energy Northwest Nuclear Projects Nos. 1 and 4 Site Restoration Plan 12/09/2002

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