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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: 06/08/2025
Format: 06/08/2025
Document Group Document Name File Datesort ascending
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
Goose Prairie Solar Data Request 1 Response 04/21/2021
Goose Prairie Solar Data Request 1 Response Cover Letter 04/21/2021
Goose Prairie Solar Data Request 1 Noise Calculations 04/21/2021
Goose Prairie Solar Cover letter 04/20/2021
EFSEC general documents April 20, 2021 Meeting Minutes with corrections 04/20/2021
EFSEC general documents April 20, 2021 Council Meeting Agenda 04/20/2021
EFSEC general documents April 20, 2021 Council Packet 04/20/2021
Goose Prairie Solar Approved Jurisdictional Determination Form 04/16/2021
Horse Heaven Wind Farm Confederated Tribes of the Umitilla Indian Reservation Comments 04/09/2021
Horse Heaven Wind Farm Applicant letter regarding Determination of Significance 04/05/2021
Horse Heaven Wind Farm General Comments 0001 - 0050 04/02/2021
Horse Heaven Wind Farm General comments 0051 - 0100 04/02/2021
Horse Heaven Wind Farm General comments 0101 - 0150 04/02/2021
Horse Heaven Wind Farm General comments 0151 - 0200 04/02/2021
Horse Heaven Wind Farm General comments 0201 - 0250 04/02/2021
Horse Heaven Wind Farm General comments 0251 - 0300 04/02/2021
Horse Heaven Wind Farm General comments 0301 - 0350 04/02/2021
Horse Heaven Wind Farm Combined Comments P0001 - P0013 04/02/2021

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