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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 will be two public comment meetings for the PEIS following the info meeting that was held on April 8th, 2025. The comment meetings will be on April 22nd and April 24th starting at 5pm PST. The April 8th meeting recording and information on how to join the comment meetings are on the PEIS webpage linked above. 

The Carriger Solar MDNS is available for comment April 7 through April 20 11:59 pm 

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

Columbia Solar SCA

SCA Transfer Public Informational Meeting, August 17 2021

Request for Amendment and Transfer of Site Certification Agreements

Request for Amendment and Transfer of SCA

Document Title Document Date
Request for Amendment and Transfer of Site Certification Agreement Letter 07/28/2021
Attachment 1 - Termination of the Typha and Fumaria SCA's 07/28/2021
Attachment 2 - Transfer SCAs to Project Companies 07/28/2021
Attachment 3 - Indirect Transfer of SCAs 07/28/2021

Site Certification Agreement Reinstatement

On November 25, 2019 the EFSEC Council voted to reinstate TUUSSO Energy's Site Certification Agreements with conditions.

Documents Granting Reinstatement Request:

Documents Requesting Reinstatement:

On November 20, 2019 TUUSSO Energy submitted a letter requesting reinstatement of the Columbia Solar Project's SCA's.

Site Certification Agreement Suspension

On August 20, 2019 the EFSEC Council approved suspension of TUUSSO Energy's Site Certification Agreement for the Columbia Solar Project.

Site Certification Agreement(s)

SCA

Document Title Document Date
SCA for Camas 10/17/2018
SCA for Fumaria 10/17/2018
SCA for Penstemon 10/17/2018
SCA for Typha 10/17/2018
SCA for Urtica 10/17/2018

Draft SCA

Document Title Document Date
Draft SCA Camas 08/21/2018
Draft SCA Fumaria 08/21/2018
Draft SCA Penstemon 08/21/2018
Draft SCA Typha 08/21/2018
Draft SCA Urtica 08/21/2018

Proposed Draft SCA

Document Title Document Date
Proposed Draft SCA Camas 05/29/2018
Proposed Draft SCA Fumaria 05/29/2018
Proposed Draft SCA Penstemon 05/29/2018
Proposed Draft SCA Typha 05/29/2018
Proposed Draft SCA Urtica 05/29/2018

Proposed Draft SCA comments received:

To review the comments we received please click the links below for each proposed site: