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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 / SEPA / Letter

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

Process Type Document Group(s) Document link File Date Document Set
SEPA Letter Cover Letter 12/16/2022
SEPA Letter Data Request 1 letter 05/27/2021 00043
Data Request 1
SEPA Letter Data Request 2 07/16/2021 00044
Data Request 2
SEPA Letter Data Request 3 07/22/2021 00045
Data Request 3
SEPA Letter Applicant letter regarding Determination of Significance 04/05/2021 00056
Applicant letter regarding Determination of Significance
SEPA Letter Data Request 7 03/22/2023 001
SEPA Letter Cover letter - Final EIS 10/31/2023 FEIS
SEPA Letter Table of Contents - Final EIS 10/31/2023 FEIS
SEPA Letter Title Page - Final EIS 10/31/2023 FEIS