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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 / Permits

Columbia Generating Station - - Docket:180299

Process Type Document Group(s) Document link File Date Document Set
Permits Permit
NPDES Permit Effective dates 4/9/2001 - 4/9/2006 04/09/2001 00034
Permits for the Columbia Generating Station
Permits Permit
NPDES Permit Effective dates 05/25/2006 - 05/25/2011 05/25/2006 00034
Permits for the Columbia Generating Station
Permits Permit
NPDES Permit Effective Dates 09/30/2014 - 10/31/2019 11/01/2014 00034
Permits for the Columbia Generating Station