FieldProspects

Washington counties: power projects and data centers

Washington has 27 county pages on FieldProspects, one for every county with at least three power projects. Across the state, 17 planned projects add up to 3.6 GW and 423 operating projects to 31.8 GW. 52 data center records list Washington, 2.5 GW planned to operating, led by Walla Walla County with 1.2 GW.

Data as of Refreshed monthly
27
county pages, three or more projects each
3.6GW
planned generation, 17 projects
31.8GW
operating generation, 423 projects
52
data center records, not cancelled
2.5GW
of data centers, planned to operating
Map

Data center MW by county in Washington

Counties with a page are shaded by the MW of data centers on record, planned to operating. Click a county to open its page.

no data center MWunder 100 MW100 to 1,000 MW1,000 to 5,000 MW5,000 to 15,000 MW15,000 MW or more no page yet
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, October 8, 2026 snapshot. Hover a county for its numbers

Every county page in Washington

Projects, generation and data center records for each county with a page. Counties with fewer than three projects are in the member database only.

County Projects Planned generation MW Operating generation MW Data center records Data center MW
Adams County 4 126 169 0 0
Benton County 10 1,200 1,322 2 0
Chelan County 43 50 2,905 3 171
Columbia County 11 0 1,467 0 0
Cowlitz County 16 0 768 0 0
Douglas County 27 0 2,456 5 285
Garfield County 3 600 343 0 0
Grant County 59 650 9,098 27 761
Grays Harbor County 8 0 767 0 0
King County 43 0 167 7 46
Kittitas County 9 0 483 0 0
Klickitat County 14 300 1,708 0 0
Lewis County 13 0 1,883 0 0
Lincoln County 8 0 113 0 0
Mason County 14 0 136 0 0
Pend Oreille County 10 0 1,250 0 0
Pierce County 20 200 641 0 0
Skagit County 10 0 648 0 0
Skamania County 3 0 240 0 0
Snohomish County 9 25 125 2 33
Spokane County 19 0 192 2 8
Stevens County 8 0 61 0 0
Thurston County 6 200 149 0 0
Walla Walla County 14 0 1,592 4 1,200
Whatcom County 29 0 1,719 0 0
Whitman County 11 0 920 0 0
Yakima County 12 80 194 0 0

Data center MW counts records planned, under construction and operating. Generation is inside the county only.

27 counties shown

Open every project, campus and contact in Washington.

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