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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.  

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. 

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

Columbia Generating Station / Permits / Permit

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
Permits Permit
2019 NPDES Permit Modification 03/19/2019 00083
CGS NPDES Permit Modification 2019 (Hard copy rec'd 05...
Permits Permit
Temporary State Waste Discharge Permit Revision 1 09/14/2021 00110
September 14, 2021 SWDP Temporary permit Revision 1
Permits Permit
NPDES Fact Sheet 05/30/2023 NPDES
Permits Permit
NPDES Permit 05/30/2023 NPDES