How many wind farms are in Washington?

Washington has 23 operating utility-scale wind farms with 3.4 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest wind farm in Washington?

Lower Snake River Wind Energy Project in Garfield County, Washington is the largest, at 343 MW. It came online in 2012.

How many wind farms were built in Washington in 2025?

0 wind farms came online in Washington in 2025, with 0 MW of capacity.

Who is developing wind farms in Washington?

Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

Wind farms in Washington

Washington has 23 operating wind farms with 3.4 GW of capacity.

Operating23

See planned wind farms in Washington

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

Washington had 21 wind farms online in 2016 and 23 in 2026

2016’162017’172018’182019’192020’202021’212022’222023’232024’242025’252026’26

Wind farms online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest wind farms in Washington

Operating, by capacity

#	Wind farm	County	Year online	Capacity
1	Lower Snake River Wind Energy Project	Garfield County	2012	343 MW
2	Wild Horse	Kittitas County	2009	273 MW
3	Tucannon River Wind Farm	Columbia County	2014	267 MW
4	Windy Flats Wind Project	Klickitat County	2009	262 MW
5	Marengo Wind Plant	Columbia County	2008	234 MW
6	White Creek Wind Farm	Klickitat County	2007	204 MW
7	Big Horn Wind Project	Klickitat County	2006	199 MW
8	FPL Energy Vansycle LLC (WA)	Walla Walla County	2001	177 MW
9	Hopkins Ridge Wind	Columbia County	2008	157 MW
10	Juniper Canyon I Wind Project	Klickitat County	2011	151 MW

Wind farms that came online most recently in Washington

Newest first

#	Wind farm	County	Year online	Capacity
1	Rattlesnake Flat	Adams County	2020	144 MW
2	Skookumchuck Wind Facility	Thurston County	2020	136 MW
3	Tucannon River Wind Farm	Columbia County	2014	267 MW
4	Palouse	Whitman County	2012	105 MW
5	Swauk Wind LLC	Kittitas County	2012	4 MW
6	Lower Snake River Wind Energy Project	Garfield County	2012	343 MW
7	Juniper Canyon I Wind Project	Klickitat County	2011	151 MW
8	Big Horn Wind II	Klickitat County	2011	50 MW
9	Sagebrush Power Partners	Kittitas County	2010	101 MW
10	Vantage Wind Energy LLC	Kittitas County	2010	90 MW

The developer behind each project is on paid plans. See plans

How Cleanview tracks wind farms

Operating wind farms come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about wind farms in Washington

How many wind farms are in Washington?: Washington has 23 operating utility-scale wind farms with 3.4 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest wind farm in Washington?: Lower Snake River Wind Energy Project in Garfield County, Washington is the largest, at 343 MW. It came online in 2012.
How many wind farms were built in Washington in 2025?: 0 wind farms came online in Washington in 2025, with 0 MW of capacity.
Who is developing wind farms in Washington?: Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.