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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 will be two public comment meetings for the PEIS following the info meeting that was held on April 8th, 2025. The comment meetings will be on April 22nd and April 24th starting at 5pm PST. The April 8th meeting recording and information on how to join the comment meetings are on the PEIS webpage linked above. 

The Carriger Solar MDNS is available for comment April 7 through April 20 11:59 pm 

If you would like to submit a comment for either visit our comment database: https://comments.efsec.wa.gov/

EFSEC Document Search

Filter documents by Facility or Post Date.
Format: 04/21/2025
Format: 04/21/2025
Document Groupsort descending Document Name File Date
Horse Heaven Wind Farm DEIS_0101-0200 02/13/2023
Horse Heaven Wind Farm Updated ASC Appendix E - Turbine and Access Road Displacement Area 06/15/2022
Horse Heaven Wind Farm Chapter 2 - Proposed Action and Alternatives 12/16/2022
Horse Heaven Wind Farm Ch.6 References - Final EIS 10/31/2023
Horse Heaven Wind Farm Departent of Ecology SEPA Scoping Comment 06/08/2021
Horse Heaven Wind Farm EXH-1044 - Cypher et al. (2021) 08/23/2023
Horse Heaven Wind Farm EXH-5503_R Pre-filed testimony Richard Simon Rebuttal 08/25/2023
Horse Heaven Wind Farm EXH-1040_R Reply Testimony of Leslie McCLain 08/15/2023
Horse Heaven Wind Farm Data Request 6 Response 02/07/2022
Horse Heaven Wind Farm 0801-0900 04/11/2024
Horse Heaven Wind Farm Notification Letter to Benton County Commissioner 02/17/2021
Horse Heaven Wind Farm DEIS_1701-1800 02/13/2023
Horse Heaven Wind Farm Updated ASC Appendix M - Bird and Bat Conservation Strategy 12/29/2022
Horse Heaven Wind Farm Updated ASC Appendix C - SEPA Checklist 12/29/2022
Horse Heaven Wind Farm Appendix 4.16-1 Economic Impact Analysis Methodology - Final EIS 10/31/2023
Horse Heaven Wind Farm Applicant's PowerPoint Presentation 03/30/2021
Horse Heaven Wind Farm EXH-4014_X_REDACTED - "Moon Memo" 08/23/2023
Horse Heaven Wind Farm Refiled By Order As Public Comment: EXH-5613_T - Pre-Filed Testimony of TCC Witness Gaye Tesar 09/07/2023
Horse Heaven Wind Farm EXH-4008_T Revised Pre-Filed Direct Testimony Leon Ganuelas 08/15/2023
Horse Heaven Wind Farm Order Denying TCC Motion to Recuse ALJ Torem 06/23/2023

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