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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

EFSEC Document Search

Filter documents by Facility or Post Date.
Format: 06/09/2025
Format: 06/09/2025
Document Group Document Name File Datesort ascending
Horse Heaven Wind Farm 20211011_Scout_DataReqLog-Tble1.12-1 Unknown
Columbia Solar Response to Data Request 1 Unknown
Columbia Solar Appendix I-4 Unknown
Columbia Solar Land Use Speaker #13 Unknown
Grays Harbor Energy Center 2020 Q1 Cooling Tower Emissions Unknown
Grays Harbor Energy Center 2020 Q1 Fuel and Sulfur Report Unknown
Grays Harbor Energy Center 2020 Q2 CT1 Excess Emissions Summary Unknown
Chehalis Generation Facility 1337161.xml Unknown
EFSEC general documents 20211019_CouncilPacket Unknown
Columbia Solar Table of Contents Unknown
Badger Mountain 20211028_DouglasCntyCmssrs Unknown
Columbia Solar Kittitas County Testimony Unknown
Grays Harbor Energy Center 20181009_RATARptA2 Unknown
Grays Harbor Energy Center 2020 Q2 CT1 Monthly Unknown
Chehalis Generation Facility 1378613.xml Unknown
Goose Prairie Solar Goose Prairie – Initial Notification Unknown
Columbia Solar 20171128_RespPritchardMailList_A2 Unknown
Columbia Solar Appendix C Unknown
Grays Harbor Energy Center 2020 Q1 CT1 Monthly Unknown
Grays Harbor Energy Center 2020 Q1 CT1 Hourly Unknown

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