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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: 06/11/2025
Format: 06/11/2025
Document Group Document Name File Datesort ascending
Badger Mountain P0004 08/05/2021
Badger Mountain P0002 08/05/2021
Badger Mountain P0003 08/05/2021
Badger Mountain P0006 08/05/2021
Badger Mountain P0005 08/05/2021
Badger Mountain P0007 08/05/2021
Badger Mountain P0009 08/05/2021
Badger Mountain P0008 08/05/2021
Goose Prairie Solar Notice of Revised MDNS 07/30/2021
Goose Prairie Solar 9 - Revised Mitigated Determination of Nonsignificance July 30 2021 07/30/2021
Goose Prairie Solar 8 - MDNS Supplemental Staff Memo July 30 2021 07/30/2021
Goose Prairie Solar Revised MDNS 07/30/2021
Goose Prairie Solar Supplemental Staff Memo 07/30/2021
Columbia Solar Request for Amendment and Transfer of Site Certification Agreement Letter 07/28/2021
Columbia Solar Attachment 2 - Transfer SCAs to Project Companies 07/28/2021
Columbia Solar Attachment 1 - Termination of the Typha and Fumaria SCA's 07/28/2021
Columbia Solar Attachment 3 - Indirect Transfer of SCAs 07/28/2021
Horse Heaven Wind Farm Data Request 3 07/22/2021
Horse Heaven Wind Farm Data Request Table 07/22/2021
EFSEC general documents July 20, 2021 Council Meeting Agenda 07/20/2021

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