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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

Columbia Solar

Columbia Solar - TUUSSO Energy - Docket:170823

Process Type Document Group(s) Document link File Date Document Set
Recommendation to Governor SCA (Site Certification Agreement) Penstemon Site Certification Agreement 08/22/2018 00204
Packet of Documents Submitted to Governor Jay Inslee August...
Recommendation to Governor SCA (Site Certification Agreement) Typha Site Certification Agreement 08/22/2018 00204
Packet of Documents Submitted to Governor Jay Inslee August...
Recommendation to Governor SCA (Site Certification Agreement) Urtica Site Certification Agreement 08/22/2018 00204
Packet of Documents Submitted to Governor Jay Inslee August...
Recommendation to Governor SCA (Site Certification Agreement) Fumaria Site Certification Agreement 08/22/2018 00204
Packet of Documents Submitted to Governor Jay Inslee August...
Recommendation to Governor SCA (Site Certification Agreement) SCA for Camas 10/17/2018 00216
Site Certification Agreement for Camas Site, Signed October...
Recommendation to Governor SCA (Site Certification Agreement) SCA for Fumaria 10/17/2018 00217
Site Certification for Fumaria site, Signed October 17, 2018
Recommendation to Governor SCA (Site Certification Agreement) SCA for Penstemon 10/17/2018 00218
Site Certification Agreement for Penstemon site, Signed...
Recommendation to Governor SCA (Site Certification Agreement) SCA for Typha 10/17/2018 00219
Site Certification Agreement for Typha site, Signed October...
Recommendation to Governor SCA (Site Certification Agreement) SCA for Urtica 10/17/2018 00220
Site Certification Agreement for Urtica site, Signed...
Recommendation to Governor Transcript Transcript of Public Meeting on Draft Site Certifications 06/26/2018 00204
Packet of Documents Submitted to Governor Jay Inslee August...
Recommendation to Governor Transcript Info Meeting Transcript 12/12/2017 00204
Packet of Documents Submitted to Governor Jay Inslee August...
Recommendation to Governor Transcript Land Use Transcript 12/12/2017 00204
Packet of Documents Submitted to Governor Jay Inslee August...
SEPA Documents Mitigated Determination of Nonsignificance 02/27/2018 00081
Mitigated Determination of Nonsignificance, Notice of...
SEPA Documents MDNS Replacement Proof of Service 00082
Replacement document for MDNS Notice.
SEPA Documents Appendix A - SEPA Checklist 01/26/2018 00150
Email to Justin Allegro, Stephen Lewis, Lori White, and...
SEPA Documents MDNS Draft Measures 02/05/2018 00150
Email to Justin Allegro, Stephen Lewis, Lori White, and...
SEPA Documents Appendix A - SEPA Checklist 01/26/2018 00151
SEPA Consultation Email.
SEPA Documents Revised MDNS 04/17/2018 00171
Revised Mitigated Determination of Non-Significance for...
SEPA Email Email RE MDNS Draft Measures 02/06/2018 00150
Email to Justin Allegro, Stephen Lewis, Lori White, and...
SEPA Email SEPA Consultation Email 02/06/2018 00151
SEPA Consultation Email.
SEPA Memorandum SEPA Memo 02/27/2018 00081
Mitigated Determination of Nonsignificance, Notice of...
SEPA Memorandum SEPA determination letter 04/17/2018 00171
Revised Mitigated Determination of Non-Significance for...
SEPA Notice MDNS Replacement 02/27/2018 00082
Replacement document for MDNS Notice.
SEPA Notice Notice of Order granting expedited processing and issuance of revised MDNS 04/18/2018 00171
Revised Mitigated Determination of Non-Significance for...

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