Due to public health concerns related to the spread of the novel corona virus (COVID-19), the Energy Facility Site Evaluation Council office (EFSEC) is closed to the public as of March 16, 2020. All EFSEC staff are telecommuting until further notice and EFSEC operations will continue remotely. You may reach EFSEC by phone (360) 664-1345 or by email efsec@efsec.wa.gov during regular business hours, 8 am – 5 pm, Monday through Friday. EFSEC Council meetings will be held by teleconference until further notice. Please check this site regularly for updates.

Changes are coming to EFSEC

Effective June 30, 2022 EFSEC has become an independent state agency through the passage of E2SHB 1812 by the 2022 Washington State Legislature. There will be several changes to internal structure and operations, most notably EFSEC no longer depends on the Utilities and Transportation Commission (UTC) for administrative and staff support services. Click here to learn more information.

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Home » EFSEC Activity (last 90 days)

EFSEC Activity (last 90 days)

Energy Facility Document Date Document
High Top and Ostrea Solar Project 10/03/2022 Map of foreseeable solar facilities in the Black Rock Valley
High Top and Ostrea Solar Project 10/03/2022 0001
High Top and Ostrea Solar Project 10/03/2022 0002
High Top and Ostrea Solar Project 10/03/2022 T001_YakimaNation
High Top and Ostrea Solar Project 10/03/2022 A001 SEPA ECY
High Top and Ostrea Solar Project 10/03/2022 A002 SEPA WDFW
High Top and Ostrea Solar Project 10/03/2022 A003 SEPA WDFW
High Top and Ostrea Solar Project 10/03/2022 Figure 2-1 Project location map
High Top and Ostrea Solar Project 09/30/2022 Mitigated Determination of Nonsignificance
High Top and Ostrea Solar Project 09/30/2022 MDNS Staff Memo
EFSEC general documents 09/20/2022 September 20, 2022 Council Meeting Agenda REVISED
EFSEC general documents 09/20/2022 September 20, 2022 Council Meeting Packet
Wautoma Solar 09/07/2022 001 LCB Audubon Society
Wild Horse Wind Power Project 08/16/2022 August 16, 2022 Council Meeting Agenda
Wautoma Solar 08/08/2022 Wautoma Informational Meeting and Land Use Hearing Innergex Presentation
Wautoma Solar 08/08/2022 Wautoma Informational Meeting and Land Use Hearing Agenda
Wautoma Solar 08/08/2022 Columbia Basin College Map - updated
Wautoma Solar 08/08/2022 Wautoma Informational Meeting and Land Use Hearing Notice
EFSEC general documents 07/19/2022 July 19, 2022 Council Meeting Agenda
EFSEC general documents 07/19/2022 July 19, 2022 Council Meeting Packet