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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. If you would like to submit a comment visit our comment database: https://comments.efsec.wa.gov

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. 

Columbia Generating Station / Permits / Documents

Columbia Generating Station - - Docket:180299

Process Type Document Group(s) Document link File Date Document Set
Permits Documents
NPDES Permit Modification Fact Sheet Errata No. 2 03/19/2019 00083
CGS NPDES Permit Modification 2019 (Hard copy rec'd 05...
Permits Documents
NPDES Permit Modification Fact Sheet Amendment No.2 03/19/2019 00083
CGS NPDES Permit Modification 2019 (Hard copy rec'd 05...
Permits Documents
Columbia Generating Station NPDES Fact Sheet Draft 02/16/2023 023