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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 / docGroup / NPDES Modification 2019

Columbia Generating Station - - Docket:180299

Process Type Document Group(s) Document link File Date Document Set
Permits Application
Application for Renewal of NPDES Permit No. WA002515-1 04/30/2019 00083
CGS NPDES Permit Modification 2019 (Hard copy rec'd 05...
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 Letter
NPDES Administrative Extension 09/13/2019 00100
September 13, 2019 NPDES Administrative Extension
Permits Permit
2019 NPDES Permit Modification 03/19/2019 00083
CGS NPDES Permit Modification 2019 (Hard copy rec'd 05...