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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: 06/19/2025
Format: 06/19/2025
Document Groupsort descending Document Name File Date
Horse Heaven Wind Farm TCC’s Response and Opposition to Applicant's Motion to Strike Rebuttal and Reply Testimony of TCC Witnesses Rick Dunn, Paul Krupin, David Sharp, and Richard Simon 08/07/2023
Horse Heaven Wind Farm EXH-5911_RECON - Supplemental Testimony of TCC Witness Dennis Bates 09/21/2023
Horse Heaven Wind Farm Request for Leave to File Motion for Reconsideration and Petition for Administrative Review 08/01/2023
Horse Heaven Wind Farm PHC3 Notice 04/21/2023
Horse Heaven Wind Farm 883 - Horse Heaven Land Use Consistency Order 05/17/2022
Horse Heaven Wind Farm Order 894 - Denying Applicant Petition 09/17/2024
Horse Heaven Wind Farm Confederated Tribes of the Umitilla Indian Reservation Comments 04/09/2021
Horse Heaven Wind Farm Agenda - Final EIS Special Meeting 11/28/2023
Horse Heaven Wind Farm Oral Ruling on Applicant's Motion to Strike TCC Response and Rebuttal Testimony 08/22/2023
Horse Heaven Wind Farm EXH-4001_T_REVISED - Prefiled Direct Testimony of Jessica Lally 08/23/2023
Horse Heaven Wind Farm EXH-5900_R - Pre-Filed Testimony of TCC Witness Richard Hagar 09/28/2023
Horse Heaven Wind Farm TCC’s Motion to Supplement Record (David Kobus Deposition) 08/04/2023
Horse Heaven Wind Farm Tri-Cities C.A.R.E.S Motion for Stay Pending SEPA with DecServ and Attachments 05/18/2023
Horse Heaven Wind Farm Appendix F - Land Owner List and Legal Descriptions 02/08/2021
Horse Heaven Wind Farm Counsel for the Environment - Notice for Party Participation 02/03/2023
Horse Heaven Wind Farm Appendix 3.5-1 Habitat Subtype Photographs 12/16/2022
Horse Heaven Wind Farm CTUIR Traditional Use Cover Letter 05/31/2021
Horse Heaven Wind Farm Reply in Support of Joint Motion to Strike Applicant's Direct Testimony Declaration of Carol Cohoe - Benton County, TCC, Yakama Nation 06/21/2023
Horse Heaven Wind Farm EXH-5901_R - Richard Hagar Resume 08/23/2023
Horse Heaven Wind Farm Executive Summary - Final EIS 10/31/2023

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