Brownfield & Retired Power Plant Sites in Washington

21 catalogued brownfield and retired-generation sites in Washington, listed by former capacity. Each carries an existing utility-scale grid interconnection that a new datacenter load may be able to re-use.

SiteFormer useCapacityRetiredCounty
Transalta Centralia Generationcoal1,052 MW2020-12-01Lewis
Wanapumhydro1,038 MW2019-08-01Grant
Longview Fibregas90 MW2018-06-01Cowlitz
White River (WA)hydro70 MW2004-01-01Pierce
Steam plantbiomass50 MW2005-12-01Pierce
Diesel Generator Farmoil48 MW2001-08-01Chelan
Everett Cogenbiomass42 MW2011-10-01Snohomish
Randolph Roadoil32 MW2007-10-01Grant
SPI - Everettbiomass28 MWSnohomish
HF Sinclair Puget Sound Refininggas27 MW2015-06-01Skagit
McKinley Paper Co. - Washington Millbiomass20 MW2017-04-01Clallam
Glines Hydroelectric Projecthydro16 MW2011-06-01Clallam
Condithydro14 MW2011-10-01Klickitat
Elwha Hydroelectric Projecthydro13 MW2011-06-01Clallam
Snoqualmie 2hydro10 MW2010-06-01King
Sullivan CRhydro9 MWPend Oreille
Port Townsend Paperbiomass6 MW2016-04-01Jefferson
Snoqualmiehydro6 MW2010-04-01King
University of Washington Power Plantgas5 MW2022-09-01King
Washington State Universitycoal2 MW2005-05-01Whitman
Vashon Recycling and Transfer Station Solar Projectlandfill0 MW

See all datacenter candidate sites in Washington

Dataset updated . Screening estimates derived from public data sources.

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This page shows a public slice of the GridCensus dataset for brownfield sites in Washington. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.