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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

EFSEC Document Set

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Columbia Generating Station -

Compliance

Site Certification Agreement for the Columbia Generation Station

File Datesort descending Document Process Type
05/17/1972 Site Certification Agreement Amendment 1 Compliance SCA (Site Certification Agreement)
09/25/1975 Site Certification Agreement Amendment No. 1 Compliance Amendment
11/26/2013 EF-131590 Scoping Cmnts 651-700 Comment