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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.  

If you would like to submit a comment for either of the above visit our comment database: https://comments.efsec.wa.gov

Columbia Solar / Compliance / Letter

Columbia Solar - TUUSSO Energy - Docket:170823

Process Type Document Group(s) Document link File Date Document Set
Compliance Letter
Letter RE: Extension of Timeline for Expedited Processing 02/12/2018 00133
Letter from Tuusso Energy LLC requesting an extension to...
Compliance Letter
Suspension of Site Certification Letter 09/05/2019 00238
Letter to Jason Evans, Order No. 877: Suspension of Site...
Compliance Letter
November 20, 2019 TUUSSO's Request to Reinstate SCA's 11/20/2019 00239
TUUSSO Energy's Request to reinstate SCA's
Compliance Letter
Request for Amendment and Transfer of Site Certification Agreement Letter 07/28/2021 00254
Request for Amendment and Transfer of Site Certification...
Compliance Letter
Counsel for the Environment Appoints Bill Sherman 10/26/2017 CFE