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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

There are two Special Meetings for the Carriger Solar project set for May 5th and May 6th. For more information, visit the Carriger Solar webpage. 

EFSEC Document

Horse Heaven Wind Farm - Horse Heaven Wind Farm - Docket:210011

Process Type Document Group(s) Document link File Date Document Set
Application Application
Appendix V - TLG Transportation Study 09/25/2023 ASC
Application Application
Appendix W - Air Quality Dispersion Modeling Evaluation (New) 09/25/2023 ASC
Application Application
Appendix W - Air Quality Dispersion Modeling Evaluation (New) - Redline 09/25/2023 ASC
Application Application
Appendix X - Traffic Impact Analysis 09/25/2023 ASC
Application Application
Appendix X - Traffic Impact Analysis - Redline 09/25/2023 ASC
Application Application
Final ASC - Redline (Redacted) 09/25/2023 ASC
Application Application
Appendix L - Draft Wildlife Habitat Mitigation Plan - Redline (Redacted) 09/25/2023 ASC
Application Application
Appendix L - Draft Wildlife Habitat Mitigation Plan (Redacted) 09/25/2023 ASC
Application Application
Appendix M -Bird and Bat Conservation Strategy (Redacted) 09/25/2023 ASC
Application Application
Appendix K - REDACTED Biological Reports (Revised) 09/25/2023 ASC
Application Application
Change Log 09/25/2023 ASC
Application Application
Cover Letter 09/25/2023 ASC
Application Application
Pre-Application Request 12/20/2023 Pre-Application
Application Comment
Klocke Comments 00032
Public Comment - Merrill and Patricia Klocke - no open...
Application Comment
Comments of Patricia & Merrill Klocke 00034
Comments on behalf of Merrill and Patricia Klocke, no...
Application Comment
Second Comment of Patricia Klocke 00034
Comments on behalf of Merrill and Patricia Klocke, no...
Application Comment
Joyner Comments 00036
Public Comment - Jim and Elaine Joyner - no open public...
Application Comment
Comments from Confederated Tribes of Colville 00039
Comments on behalf of The Confederated Tribes of the...
Application Comment
USFWS Comments on App 12/21/2017 00059
US Fish and Wildlife Service Comments on the Columbia Solar...
Application Comment
Pritchard Public Comment RE: Expedited Approval (014) 12/22/2017 00067
Testimony of Dr. Mark Pritchard, RE: Position on Tuusso...
Application Comment
Dept of Fish and Wildlife Comment Letter 08/30/2022 001
Application Comment
Comments 001 - 004 04/21/2023 001
Application Comment
Comments 005 - 009 04/23/2023 001
Application Comment
Comments 010 - 017 04/24/2023 001
Application Comment
Comments 018 - 048 04/25/2023 001
Application Comment
Comment 001 01/05/2022 001
Application Comment
0049 (Formerly filed as General Comment 0010) 04/25/2023 001
Application Comment
WSDOT Agency Comments 03/19/2018 00159
WSDOT comments from Paul Gonseth.
Application Comment
Comments of Deborah Selby 03/27/2018 00168
Comments from Deborah Selby et al (015). (scanned &...
Application Comment
Linda R Hallgren Comments 04/27/2018 00175
Comments of Linda Hallgren. (via email)
Application Comment
Comments Attachment 06/26/2018 00194
SCA Comments from Jeff Dunning. (018) (via email)
Application Comment
Comments of Counsel for Environmental Protection 06/28/2018 00195
Comments on behalf of Counsel for Environmental Protection...
Application Comment
20180720_ThornbrughCmt 07/20/2018 00207
Public comment from Kent Thornbrugh (020).
Application Documents
Appendix O additional information - Baseline Sound Survey 03/17/2021 00001
Original Application
Application Documents [No group] Wautoma_ASC Attachment D_Land Use Consistency Review 00001
Application for Site Certification
Application Documents [No group] Goose Prairie – Initial Notification 00002
Notification letters
Application Documents [No group] Proof of Service 02/17/2021 00002
Optional State agencies Horse Heaven Notification Letter
Application Documents [No group] 20211028_ Fisheries 00002
Application notice to Fisheries for the Badger Mountain...
Application Documents [No group] Proof of Service 02/17/2021 00003
Horse Heaven Wind Farm Tribal Notification letter
Application Documents [No group] 20211028_TribalLtr 00003
Application notice to Tribal Contacts for the Badger...
Application Documents [No group] Proof of Service 02/17/2021 00004
Horse Heaven Wind Farm Notification letter to Council...
Application Documents [No group] 20211028_CFE 00004
Application notice to CFE for the Badger Mountain Solar...
Application Documents [No group] Proof of Service 02/17/2021 00005
Horse Heaven Wind Farm Notification Letter to CFE
Application Documents [No group] 20211028_ApplicationNotice 00005
Application notice for the Badger Mountain Solar Project.
Application Documents [No group] Proof of Service 02/17/2021 00006
Horse Heaven Wind Farm Notification Letter Benton County...
Application Documents [No group] 20211028_CM_OptAgencies 00006
Application notice to Optional Agencies for the Badger...
Application Documents [No group] Proof of Service 02/17/2021 00007
Horse Heaven Wind Farm Notification Letter
Application Documents [No group] 20211028_CouncilAgency 00007
Application notice to Council Agency for the Badger...
Application Documents [No group] Proof of Service 02/17/2021 00008
Horse Heaven Wind Farm Notification Letter to agencies
Application Documents [No group] 20211028_DouglasCntyCmssrs 00008
Application notice to Douglas County Commissioners for the...

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