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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

EFSEC Document Set

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Columbia Solar - TUUSSO Energy

Application

Yakama Nation Cultural Resources Assessment of Tuusso Energy's Columbia Solar Project 9/7/17.

File Datesort descending Document Process Type
20170912_YakamaCulturalAssessment Application Letter
12/03/2013 EF-131590 Scoping Cmnts 951-1000 Comment
04/19/2019 Notice Permits Notice
04/23/2019 Proof of Service Permits Documents
08/15/2019 August 20, 2019 Monthly Council Meeting Agenda - Revised Compliance Agenda
05/27/2021 Data Request 1 letter SEPA Letter
05/27/2021 Data Request 1 table SEPA Documents
06/22/2021 Revised Application for Site Certification Application Application
07/01/2021 Data Request 1 Response SEPA Response
09/10/2021 Data Request Aesthetics Panoramas SEPA Documents
09/13/2021 Habitat Field Survey Data Request No.1 SEPA Documents
09/27/2021 Notice Compliance Notice
09/27/2021 Agenda Compliance Agenda
09/27/2021 Goose Prairie Presentation Compliance Presentation