Wind farms in Washington

23 operating wind farms in Washington with 3,387 MW of wind capacity, largest first. From EIA-860M, August 2026.

Plants

Wind capacity

3,387 MW

Net generation, 2025

8.07 TWh

22 of 23 plants reported

Largest

Lower Snake River Wind Energy Project

343 MW

Largest wind farms in Washington

#	Plant	Wind MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	Lower Snake River Wind Energy ProjectGarfield County	343	795	26.5%	Puget Sound Energy Inc
2	Wild HorseKittitas County	273	591	24.7%	Puget Sound Energy Inc
3	Tucannon River Wind FarmColumbia County	267	737	31.5%	Portland General Electric Co
4	Windy Flats Wind ProjectKlickitat County	262	651	28.3%	Windy Flats Partners LLC
5	Marengo Wind PlantColumbia County	234	613	29.9%	PacifiCorp
6	White Creek Wind FarmKlickitat County	204	536	30.0%	White Creek Wind 1 LLC
7	Big Horn Wind ProjectKlickitat County	199	476	27.3%	Avangrid Power LLC
8	FPL Energy Vansycle LLC (WA)Walla Walla County	177	250	16.1%	FPL Energy Vansycle LLC
9	Hopkins Ridge WindColumbia County	157	345	25.2%	Puget Sound Energy Inc
10	Juniper Canyon I Wind ProjectKlickitat County	151	144	10.9%	Avangrid Power LLC
11	Rattlesnake FlatAdams County	144	415	32.9%	Rattlesnake Flat, LLC
12	Washington WindKlickitat County	136	379	31.7%	Washington Wind LLC
13	Skookumchuck Wind FacilityThurston County	136	393	33.0%	Southern Power Co
14	PalouseWhitman County	105	303	32.9%	Onward Energy
15	Goodnoe HillsKlickitat County	103	268	29.6%	PacifiCorp
16	Sagebrush Power PartnersKittitas County	101	277	31.4%	Sagebrush Power Partners, LLC
17	Harvest Wind ProjectKlickitat County	99	244	28.2%	Harvest Wind Project TIC
18	Nine CanyonBenton County	96	186	22.1%	Energy Northwest
19	Vantage Wind Energy LLCKittitas County	90	253	32.1%	Invenergy Services LLC
20	Big Horn Wind IIKlickitat County	50	105	24.0%	Avangrid Power LLC
21	Linden Wind Energy ProjectKlickitat County	50	104	23.8%	Los Angeles Department of Water & Power
22	Coastal Energy ProjectGrays Harbor County	6.0	–	–	Coastal Community Action Program
23	Swauk Wind LLCKittitas County	4.3	2.9	7.7%	Gamesa Wind US LLC

Projects where wind is the largest fuel or at least a fifth of nameplate capacity. MW is wind nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

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All plants in Washington Largest wind farms in the US