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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. 
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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

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

Process Type Document Group(s) Document link File Date Document Set
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 O - Acoustic Modeling Results by Noise Sensitive Receptor 12/29/2022 001
Application Application
Updated ASC Appendix U - Consultation Documents 06/15/2022 001
Application Application
Updated ASC Appendix P - Emergency Response Plan 12/29/2022 001
Application Application
Updated ASC Appendix V - TLG Transportation Study 06/15/2022 001
Application Application
Updated ASC Appendix S - Economic Impact Assessment 12/29/2022 001
Application Application
Updated ASC Appendix M - Bird and Bat Conservation Strategy 06/15/2022 001
Application Application
Updated ASC Appendix T - Notice for Intent for National Pollutant Discharge Elimination System (NPDES) 12/29/2022 001
Application Application
Updated ASC Appendix L - Habitat Mitigation Plan 12/29/2022 001
Application Application
Updated ASC Appendix U - Consultation Documents 12/29/2022 001
Application Application
Updated ASC Appendix M - Bird and Bat Conservation Strategy 12/29/2022 001
Application Application
Updated ASC Appendix V - TLG Transportation Study 12/29/2022 001
Application Application
Population Viability Analysis of Ferruginous Hawk (Buteo regalis) in Eastern Washington 11/14/2022 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
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 ASC Appendix K - REDACTED Biological Reports (Revised) Redline 06/15/2022 001
Application Application
Updated Application for Site Certification (ASC) Change Log 06/15/2022 001
Application Application
Updated Appendix K - REDACTED Biological Reports (Revised) 12/29/2022 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 Redline Appendix F - Land Owner List and Legal Descriptions 12/01/2022 002
Application Application
Updated ASC Redline Appendix G - Shadow Flicker Analysis 12/01/2022 002
Application Application
Updated ASC Redline Appendix H - Glare Analysis Report 12/01/2022 002
Application Application
Updated ASC Redline Appendix J - Water Source Documentation 12/01/2022 002
Application Application
Updated ASC Redline Appendix N - Revegetation and Noxious Weed Control Plan 12/01/2022 002
Application Application
Updated ASC Redline Appendix O - Acoustic Modeling Results by Noise Sensitive Receptor 12/01/2022 002
Application Application
Updated ASC Redline Appendix P - Emergency Response Plan 12/01/2022 002
Application Application
Updated ASC Redline Appendix S - Economic Impact Assessment 12/01/2022 002
Application Application
Updated ASC Redline Appendix T - Notice for Intent for National Pollutant Discharge Elimination System (NPDES) 12/01/2022 002
Application Application
Updated ASC Redline Appendix Appendix U - Consultation Documents 12/01/2022 002
Application Application
Updated ASC Redline Appendix Appendix V - TLG Transportation Study 12/01/2022 002
Application Application
Updated ASC Redline Appendix A - Decommissioning Plan 12/01/2022 002
Application Application
Updated ASC Redline Appendix B - Preliminary Geotech Report 12/01/2022 002
Application Application
Updated ASC Redline Appendix C - SEPA Checklist 12/01/2022 002
Application Application
Updated ASC Redline Appendix K - Biological Reports (Revised) Redline 12/01/2022 002
Application Application
Updated ASC Redline Appendix D - Planning Determination 12/01/2022 002
Application Application
Updated ASC Redline Appendix E - Turbine and Access Road Displacement Area 12/01/2022 002
Application Application
Appendix F - Project Lease Boundary Landowner List with Legal Descriptions 09/25/2023 ASC
Application Application
Appendix G - Shadow Flicker Analysis Memo (Revised) 09/25/2023 ASC
Application Application
Appendix H - Glare Analysis Report 09/25/2023 ASC
Application Application
Appendix I - Wetland and Other Waters Delineation Report (Revised Aug 2021) 09/25/2023 ASC
Application Application
Appendix J - Water Source Documentation 09/25/2023 ASC
Application Application
Appendix N - Revegetation and Noxious Weed Control Plan 09/25/2023 ASC
Application Application
Appendix O - Acoustics Reports 09/25/2023 ASC
Application Application
Appendix P - Draft Emergency Response Plan (Revised) 09/25/2023 ASC
Application Application
Appendix P - Draft Emergency Response Plan (Revised) Redline 09/25/2023 ASC
Application Application
Appendix Q - Visual Simulations (Revised) Redline 09/25/2023 ASC

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