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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: 06/17/2025
Format: 06/17/2025
Document Group Document Namesort descending File Date
Horse Heaven Wind Farm Preliminary Order on Intervention 03/09/2023
Columbia Solar Pritchard Land Use Comments (017) 12/22/2017
Columbia Solar Pritchard Public Comment RE: Expedited Approval (014) 12/22/2017
Desert Claim Project Description Redlined 02/26/2018
Desert Claim Project Images 02/26/2018
Horse Heaven Wind Farm Proof of Service 02/17/2021
Horse Heaven Wind Farm Proof of Service 02/25/2021
Horse Heaven Wind Farm Proof of Service 02/25/2021
Horse Heaven Wind Farm Proof of Service 02/17/2021
Horse Heaven Wind Farm Proof of Service 02/17/2021
Grays Harbor Energy Center Proof of Service 08/21/2018
Badger Mountain Proof of Service 03/14/2022
Grays Harbor Energy Center Proof of Service 01/15/2019
Grays Harbor Energy Center Proof of Service 12/18/2018
Horse Heaven Wind Farm Proof of Service 02/17/2021
Grays Harbor 3 & 4 Proof of Service 07/26/2018
Horse Heaven Wind Farm Proof of Service 02/17/2021
Goose Prairie Solar Proof of Service 03/02/2021
Grays Harbor Energy Center Proof of Service 06/05/2018
Grays Harbor 3 & 4 Proof of Service 12/18/2018

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