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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/

EFSEC Document Set

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Columbia Solar - TUUSSO Energy

Application

Application for Site Certification on behalf of Tuusso Energy - Columbia Solar, from Jason Evans. Includes Plot Maps (available for review through the Records Center).

File Datesort descending Document Process Type
Appendix A Application Application
08/29/2013 Application Volume 1 Part 1 - General information Application
10/16/2017 Original Application for Site Certification - Columbia Solar Application Application
01/16/2018 20180116 Monthly Meeting Minutes Compliance Transcript
02/20/2018 20180220 Special Meeting Minutes Compliance Transcript
02/20/2018 20180220 Monthly Meeting Minutes Compliance Transcript
02/26/2018 Introduction Compliance Amendment
02/26/2018 Hazard Report Compliance Amendment
02/26/2018 SEPA Environmental Checklist Compliance Amendment
02/26/2018 Project Images Compliance Amendment
02/26/2018 Biological Survey Status Update Compliance Amendment
02/26/2018 Environmental Noise Assessment Technical Report Compliance Amendment
02/26/2018 Wetlands Report Compliance Amendment
02/26/2018 Shadow Flicker Study Compliance Amendment
02/26/2018 Project Description Redlined Compliance Amendment
02/26/2018 Site Certification Agreement Compliance Amendment
02/26/2018 Request for an Amendment to the Site Certification Agreement Cover Letter Compliance Letter
02/26/2018 Table of Contents Compliance Amendment
02/26/2018 Cover Page Compliance Amendment
02/26/2018 Figures Compliance Amendment
03/20/2018 20180320 Monthly Meeting Minutes Compliance Transcript
04/17/2018 20180417 Monthly Meeting Minutes Compliance Transcript
05/15/2018 20180515 Monthly Meeting Minutes Compliance Transcript
06/13/2018 20180613 Special Meeting Minutes Compliance Transcript
06/26/2018 20180626 Columbia Solar Draft SCA Notice Minutes Compliance Transcript
07/17/2018 20180717 Monthly Meeting Minutes Compliance Transcript
08/21/2018 20180821 Monthly Meeting Minutes Compliance Transcript
09/18/2018 20180918 Monthly Meeting Minutes Compliance Transcript
10/19/2018 20181016 Monthly Meeting Minutes Compliance Transcript
11/13/2018 20181113 Monthly Meeting Minutes Compliance Transcript
01/19/2021 Attachment I ~ Acoustic Assessment Report Application Application
01/19/2021 Attachment G ~ Plant and Big Game Assessment Application Application
01/19/2021 Redacted Attachment F ~ Wildlife and Habitat Survey Redacted Application Application
01/19/2021 Attachment B ~ Preliminary Site Plan Application Application
01/19/2021 Attachment E ~ Additional Site Maps Application Application
01/19/2021 Attachment P ~ Socioeconomic Application Application
01/19/2021 Attachment D ~ Vegetation and Weed Management Plan Application Application
01/19/2021 Attachment O ~ Wetland Report Application Application
01/19/2021 Attachment C ~ Land Owner Support Letters Application Application
01/19/2021 Attachment N ~ Dept of Defense Consultation Application Application

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