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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: 06/10/2025
Format: 06/10/2025
Document Group Document Name File Datesort ascending
Horse Heaven Wind Farm Ch.5 Cumulative Impacts - Final EIS 10/31/2023
Horse Heaven Wind Farm Appendix 4.3-1 Air Quality Emission Calculations - Final EIS 10/31/2023
Horse Heaven Wind Farm Final EIS - FULL DOCUMENT 10/31/2023
Horse Heaven Wind Farm Ch.6 References - Final EIS 10/31/2023
Horse Heaven Wind Farm Resumen ejecutivo - Declaración Final de Impacto Ambiental 10/31/2023
Horse Heaven Wind Farm Appendix 4.3-2 Tetra Tech 2023 Air Quality Dispersion Modeling Evaluation - Final EIS 10/31/2023
Horse Heaven Wind Farm Judge Torem's Response to Requests for Oral Argument 10/30/2023
Horse Heaven Wind Farm Order Denying Yakama Nation Petition for Reconsideration 10/27/2023
Horse Heaven Wind Farm Councilmember Sandison Resignation 10/24/2023
Whistling Ridge Energy Project 006 10/23/2023
Badger Mountain Data Request 4 Letter 10/23/2023
Badger Mountain Data Request 4 Maps 10/23/2023
EFSEC general documents October 18, 2023 Council Meeting Packet 10/18/2023
Horse Heaven Wind Farm October 18 2023 FEIS Presentation 10/18/2023
EFSEC general documents October 18, 2023 Council Meeting Agenda 10/18/2023
EFSEC general documents October 18, 2023 Council Meeting Minutes 10/18/2023
Desert Claim Resolution 353 - Desert Claim SCA Amendment 2 10/18/2023
EFSEC general documents November 15, 2023 Council Meeting Minutes CORRECTED 10/18/2023
Desert Claim Attachment 6 - Resolution No. 353 Signed Oct. 18 2023 10/18/2023
Desert Claim Attachment 5 - Resolution No. 343 Signed Nov. 13, 2018 10/18/2023

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