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

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

Process	Type	Document Group(s)	Document link	File Date	Document Set
Application	Application	Final ASC	Appendix G - Shadow Flicker Analysis Memo (Revised)	09/25/2023	ASC
Application	Application	Final ASC	Appendix K - REDACTED Biological Reports (Revised)	09/25/2023	ASC
Application	Application	Final ASC	Appendix H - Glare Analysis Report	09/25/2023	ASC
Application	Application	Final ASC	Appendix I - Wetland and Other Waters Delineation Report (Revised Aug 2021)	09/25/2023	ASC
Application	Application	Final ASC	Appendix J - Water Source Documentation	09/25/2023	ASC
Application	Application	Final ASC	Appendix N - Revegetation and Noxious Weed Control Plan	09/25/2023	ASC
Application	Application	Final ASC	Final ASC - Redline (Redacted)	09/25/2023	ASC
Application	Application	Final ASC	Appendix O - Acoustics Reports	09/25/2023	ASC
Application	Application	Final ASC	Appendix L - Draft Wildlife Habitat Mitigation Plan - Redline (Redacted)	09/25/2023	ASC
Application	Application	Final ASC	Appendix P - Draft Emergency Response Plan (Revised)	09/25/2023	ASC
Application	Application	Final ASC	Appendix L - Draft Wildlife Habitat Mitigation Plan (Redacted)	09/25/2023	ASC
Application	Application	Final ASC	Appendix P - Draft Emergency Response Plan (Revised) Redline	09/25/2023	ASC
Application	Application	Final ASC	Change Log	09/25/2023	ASC
Application	Application	Final ASC	Appendix M -Bird and Bat Conservation Strategy (Redacted)	09/25/2023	ASC
Application	Application	Final ASC	Appendix Q - Visual Simulations (Revised) Redline	09/25/2023	ASC
Application	Application	Final ASC	Cover Letter	09/25/2023	ASC
Application	Documents	Application Original	Appendix O additional information - Baseline Sound Survey	03/17/2021	00001 Original Application
Application	Documents	[No group]	Proof of Service	02/17/2021	00002 Optional State agencies Horse Heaven Notification Letter
Application	Documents	[No group]	Proof of Service	02/17/2021	00003 Horse Heaven Wind Farm Tribal Notification letter
Application	Documents	[No group]	Proof of Service	02/17/2021	00004 Horse Heaven Wind Farm Notification letter to Council...
Application	Documents	[No group]	Proof of Service	02/17/2021	00005 Horse Heaven Wind Farm Notification Letter to CFE
Application	Documents	[No group]	Proof of Service	02/17/2021	00006 Horse Heaven Wind Farm Notification Letter Benton County...
Application	Documents	[No group]	Proof of Service	02/17/2021	00007 Horse Heaven Wind Farm Notification Letter
Application	Documents	[No group]	Proof of Service	02/17/2021	00008 Horse Heaven Wind Farm Notification Letter to agencies
Application	Documents	[No group]	Proof of Service	02/25/2021	00009 Library Letters for application for Horse Heaven Wind Farm
Application	Documents	[No group]	Proof of Service	02/25/2021	00009 Library Letters for application for Horse Heaven Wind Farm
Application	Documents	Updated and Supplemental Reports to the ASC	Appendix I Wetland Amendment: Wetlands and Other Waters Delineation August 12, 2021	08/12/2021	00050 Updated and Supplemental Reports to the ASC
Application	Documents	Updated and Supplemental Reports to the ASC	Appendix O: Acoustic Modeling Results by Noise Sensitive Receptor Update November 02, 2021	11/02/2021	00050 Updated and Supplemental Reports to the ASC
Application	Documents	Updated and Supplemental Reports to the ASC	Appendix O Figure 4.1.1-2 Operational Recieved Sound Levels November 23, 2021	11/23/2021	00050 Updated and Supplemental Reports to the ASC
Application	Documents	Updated and Supplemental Reports to the ASC	Appendix O Figure 4.1.1-3 Operational Recieved Sound Levels November 23, 2021	11/23/2021	00050 Updated and Supplemental Reports to the ASC
Application	Documents	Updated and Supplemental Reports to the ASC	Appendix O Figure 4.1.1-4 Operational Recieved Sound Levels November 23, 2021	11/23/2021	00050 Updated and Supplemental Reports to the ASC
Application	Documents	Updated and Supplemental Reports to the ASC	Appendix O Figure 4.1.1-5 Operational Recieved Sound Levels November 23,2021	11/23/2021	00050 Updated and Supplemental Reports to the ASC
Application	Documents	Updated and Supplemental Reports to the ASC	Appendix O Acoustic Model Sound Source Input Data November 2021	11/24/2021	00050 Updated and Supplemental Reports to the ASC
Application	Documents	Updated and Supplemental Reports to the ASC	Appendix I Wetland Report Photos: Wetlands and Other Waters Delineation August 12, 2021	08/12/2021	00050 Updated and Supplemental Reports to the ASC
Application	Documents	Sept 2023 Layout Changes	Layout Option 1	09/25/2023	001
Application	Documents	Sept 2023 Layout Changes	Layout Option 2	09/25/2023	001
Application	Letter	Application Original	Original Application Cover Letter February 8, 2021	02/08/2021	00001 Original Application
Application	Letter	[No group]	Opt Agency Notification Letter	02/17/2021	00002 Optional State agencies Horse Heaven Notification Letter
Application	Letter	[No group]	Tribal Notification Letter	02/17/2021	00003 Horse Heaven Wind Farm Tribal Notification letter
Application	Letter	[No group]	Council Member Agencies Notification	02/17/2021	00004 Horse Heaven Wind Farm Notification letter to Council...
Application	Letter	[No group]	Notification Letter to Council for the Environment	02/17/2021	00005 Horse Heaven Wind Farm Notification Letter to CFE
Application	Letter	[No group]	Notification Letter to Benton County Commissioner	02/17/2021	00006 Horse Heaven Wind Farm Notification Letter Benton County...
Application	Letter	[No group]	Notification Letter to Fisheries	02/17/2021	00007 Horse Heaven Wind Farm Notification Letter
Application	Letter	[No group]	Notification Letter to Agencies	02/17/2021	00008 Horse Heaven Wind Farm Notification Letter to agencies
Application	Letter	[No group]	Notice to Libraries	02/25/2021	00009 Library Letters for application for Horse Heaven Wind Farm
Application	Letter	Expedited Process	Notice of Withdrawal of expedited process request	03/29/2021	00018 Applicant's withdrawal of expedited process request
Application	Letter	Sept 2023 Layout Changes	Scout Clean Energy Letter - Project Update Responding to Adjudication Concerns	09/25/2023	001
Application	Letter	Updated HH ASC June 2022	Updated ASC Cover Letter June 15, 2022	06/15/2022	001
Application	Notice	Draft SCA	Notice of Public Comment	04/01/2024	DraftSCA
Application	Response	Updated and Supplemental Reports to the ASC	2021 Botany and Habitat Survey Report – August 2021	09/10/2021	00050 Updated and Supplemental Reports to the ASC

EFSEC - The State of Washington Energy Facility Site Evaluation Council

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Horse Heaven Wind Farm

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

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