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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: 06/19/2025
Format: 06/19/2025
Document Group Document Name File Datesort descending
Grays Harbor Energy Center 2020 Q2 CT2 Heat Input Unknown
Horse Heaven Wind Farm 20211104_Scout_DataReqLog-Tble1.12-1 Unknown
Columbia Solar Appendix B Unknown
Columbia Solar Cover Letter Unknown
Badger Mountain 20211028_LbryCvrLtr Unknown
Grays Harbor Energy Center 2020 Q1 Aux Boiler Emissions Unknown
Grays Harbor Energy Center 2020 Q1 CT1 Heat Input Unknown
Grays Harbor Energy Center 2020 Outfall Inspection Video Unknown
Chehalis Generation Facility 1337160.xml Unknown
Columbia Solar 20171128_PritchardRespMailList Unknown
Columbia Solar Appendix H-2 Unknown
Grays Harbor Energy Center 2020 Q2 CT2 Daily Unknown
Grays Harbor Energy Center 20200806_GHEC_Q3_CT1_Daily Unknown
Chehalis Generation Facility 1378608.xml Unknown
EFSEC general documents 20210615_MeetingMinutes_CT Unknown
Columbia Solar Appendix J-2 Unknown
Columbia Solar Land Use Speaker #14 Unknown
Columbia Solar Comments from Confederated Tribes of Colville Unknown
Grays Harbor Energy Center 2020 Q1 CT2 Daily Unknown
Grays Harbor Energy Center 2020 Q1 CT1 Hourly Unknown

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