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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
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 F - Land Owner List and Legal Descriptions 06/15/2022 001
Application Application
Updated ASC Appendix G - Shadow Flicker Analysis 06/15/2022 001
Application Application
Updated ASC Appendix H - Glare Analysis Report 06/15/2022 001
Application Application
Updated ASC Appendix I - Wetlands Water Delineation Report 06/15/2022 001
Application Application
Updated ASC Appendix J - Water Source Documentation 06/15/2022 001
Application Application
Updated ASC Appendix N - Revegetation and Noxious Weed Control Plan 06/15/2022 001
Application Application
Updated ASC Appendix O - Acoustic Modeling Results by Noise Sensitive Receptor 06/15/2022 001
Application Application
Updated ASC Appendix P - Emergency Response Plan 06/15/2022 001
Application Application
Updated ASC Appendix Q - Visual Simulation 06/15/2022 001
Application Application
Updated ASC Appendix S - Economic Impact Assessment 06/15/2022 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
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
Updated Appendix K - REDACTED Biological Reports (Revised) 12/29/2022 001
Application Application
Application for Site Certification 12/22/2022 001
Application Application
Attachment A - Site Maps 12/22/2022 001
Application Application
Attachment B - Parcels and Legal Descriptions 12/22/2022 001
Application Application
Attachment C - Project Typicals 12/22/2022 001
Application Application
Attachment D - Land Use Consistency Review 12/22/2022 001
Application Application
Attachment E - Wildlife Habitat Study Report 12/22/2022 001
Application Application
Attachment G - Glint and Glare Analysis 12/22/2022 001
Application Application
Attachment I - Socioeconomic Review 12/22/2022 001
Application Application
Attachment J - Decommissioning Plan 12/22/2022 001
Application Application
Attachment K - Decommissioning Cost Estimate 12/22/2022 001
Application Application
Attachment L - Draft Habitat Mitigation Plan 12/22/2022 001
Application Application
Attachment M - Cultural Resources - REDACTED 12/22/2022 001
Application Application
Attachment N - Soils Table 12/22/2022 001
Application Application
Attachment Q - Acoustics Assessment 12/22/2022 001
Application Application
Attachment F - Geo-Hazard Area Assessment 12/22/2022 001
Application Application
Attachment H - Visual Technical Report 12/22/2022 001
Application Application
Attachment O - JARPA 12/22/2022 001
Application Application
Attachment P - Wetland Delineation Report 12/22/2022 001
Application Application
Application for Site Certification 02/10/2023 001
Application Application
Attachment A1 Carriger Figures 02/10/2023 001
Application Application
Attachment_A2_Carriger_Site Plans 02/10/2023 001
Application Application
Attachment B Carriger LandUseConsist Review 02/10/2023 001
Application Application
Attachment C Carriger Wildlife and Habitat Report REDACTED 02/10/2023 001
Application Application
Attachment D Carriger Raptor Nest Survey Report REDACTED 02/10/2023 001
Application Application
Attachment F Carriger Botanical Survey Report REDACTED 02/10/2023 001
Application Application
Attachment G Carriger Glint and Glare Memo 02/10/2023 001
Application Application
Attachment H Carriger Acoustic Assessment Report 02/10/2023 001
Application Application
Attachment J Carriger Socioeconomic Report 02/10/2023 001
Application Application
Attachment L Carriger Hydrology Report 02/10/2023 001

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