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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. 

The Carriger Solar Draft Order #899 is available for comment April 29th through May 1st 11:59 pm. You can see the Draft Order under the "Orders" header towards the bottom of the Carriger Solar webpage.  

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. 

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

Horse Heaven Wind Farm / Application / docGroup

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

Process Type Document Group(s) Document link File Date Document Set
Application Agreement
Department of Defense (DoD) Agreement 11/10/2020 001
Application Agreement
Department of Defense (DoD) Agreement Map 05/03/2021 001
Application Agreement
Department of Defense (DoD) Agreement Amended 01/20/2023 001
Application Application
Appendix K - REDACTED Biological Reports 02/08/2021 00001
Application Application
Appendix A - Decommissioning Plan 02/08/2021 00001
Original Application
Application Application
Appendix B - Preliminary Geotech Report 02/08/2021 00001
Original Application
Application Application
Appendix C - SEPA Checklist 02/08/2021 00001
Original Application
Application Application
Appendix D - Preliminary County Zoning Determination 02/08/2021 00001
Original Application
Application Application
Appendix E - Turbine and Acess Road Displacement Area 02/08/2021 00001
Original Application
Application Application
Appendix F - Land Owner List and Legal Descriptions 02/08/2021 00001
Original Application
Application Application
Appendix G - Shadow Flicker Analysis 02/08/2021 00001
Original Application
Application Application
Appendix H - Glare Analysis Report 02/08/2021 00001
Original Application
Application Application
Appendix I Wetlands Water Delination Report 02/08/2021 00001
Original Application
Application Application
Appendix J Water Source Documentation 02/08/2021 00001
Original Application
Application Application
Original Application Submitted February 8, 2021 02/08/2021 00001
Original Application
Application Application
Appendix N - Revegetation and Noxious Weed Control Plan 02/08/2021 00001
Original Application
Application Application
Appendix O - Acoustic Modeling Results by Noise Sensitive Receptor 02/08/2021 00001
Original Application
Application Application
Appendix P - Emergency Response Plan 02/08/2021 00001
Original Application
Application Application
Appendix Q - Visual Simulation 02/08/2021 00001
Original Application
Application Application
Appendix S - Economic Impact Assessment 02/08/2021 00001
Original Application
Application Application
Appendix T - Notice for Intent for National Pollutant Discharge Elimination System (NPDES) 02/08/2021 00001
Original Application
Application Application
Appendix U - Consultation Documents 02/08/2021 00001
Original Application
Application Application
Appendix V - TLG Transportation Study 02/08/2021 00001
Original Application
Application Application
Updated ASC Redline Appendix Q - Visual Simulation 12/01/2022 001
Application Application
Updated ASC Appendix Q - Visual Simulation 06/15/2022 001
Application Application
Updated ASC Appendix V - TLG Transportation Study 12/29/2022 001
Application Application
Updated ASC Appendix S - Economic Impact Assessment 06/15/2022 001
Application Application
Population Viability Analysis of Ferruginous Hawk (Buteo regalis) in Eastern Washington 11/14/2022 001
Application Application
Updated ASC Appendix T - Notice for Intent for National Pollutant Discharge Elimination System (NPDES) 06/15/2022 001
Application Application
Updated ASC Appendix U - Consultation Documents 06/15/2022 001
Application Application
Updated ASC Appendix V - TLG Transportation Study 06/15/2022 001
Application Application
Updated ASC Appendix M - Bird and Bat Conservation Strategy 06/15/2022 001
Application Application
Updated ASC Appendix L - Habitat Mitigation Plan 12/29/2022 001
Application Application
Updated ASC Appendix M - Bird and Bat Conservation Strategy 12/29/2022 001
Application Application
Multi-scale Resource Selection of Ferruginous Hawk (Buteo regalis) Nesting in Eastern Washington and at the Horse Heaven Clean Energy Center, Benton County, Washington 09/23/2022 001
Application Application
Updated ASC Appendix K - REDACTED Biological Reports (Revised) 06/15/2022 001
Application Application
Updated ASC Appendix K - REDACTED Biological Reports (Revised) Redline 06/15/2022 001
Application Application
Cumulative Effects to Birds, Bats, and Land Cover from Renewable Energy Development in the Columbia Plateau Ecoregion of Eastern Oregon and Washington 01/09/2023 001
Application Application
Updated Appendix K - REDACTED Biological Reports (Revised) 12/29/2022 001
Application Application
Updated Application for Site Certification (ASC) Change Log 06/15/2022 001
Application Application
Updated ASC Appendix A - Decommissioning Plan 06/15/2022 001
Application Application
Updated ASC Appendix B - Preliminary Geotech Report 06/15/2022 001
Application Application
Updated ASC Appendix C - SEPA Checklist 06/15/2022 001
Application Application
Updated ASC Appendix D - Planning Determination 06/15/2022 001
Application Application
Updated ASC Appendix E - Turbine and Access Road Displacement Area 06/15/2022 001
Application Application
Updated ASC Appendix A - Decommissioning Plan 12/29/2022 001
Application Application
Updated ASC Appendix F - Land Owner List and Legal Descriptions 06/15/2022 001
Application Application
Updated ASC Appendix B - Preliminary Geotech Report 12/29/2022 001
Application Application
Updated ASC Appendix C - SEPA Checklist 12/29/2022 001
Application Application
Updated ASC Appendix D - Planning Determination 12/29/2022 001

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