How many wind farms are planned in California?

Developers have proposed 27 wind farms in California with 5.9 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.

What is the largest planned wind farm in California?

Holman in Monterey County, California is the largest planned, at 1,525 MW. It is expected to come online in 2034.

Who is developing wind farms in California?

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.

Planned wind farms in California

Developers have proposed 27 wind farms in California with 5.9 GW of capacity, in the grid operators' interconnection queues.

Planned27

See operating wind farms in California

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

More planned wind farms in California are expected online in 2027 than in any other year

2026’262027’272028’282029’292030’302031’312032’322033’33

Planned wind farms by the year they're expected online. Source: the grid operators' interconnection queues, compiled by Cleanview.

The 10 largest planned wind farms in California

Planned, by capacity

#	Wind farm	County	Expected online	Capacity
1	Holman	Monterey County	2034	1,525 MW
2	Windwalker Offshore	San Luis Obispo County	2028	1,029 MW
3	CPC West	Kern County	2033	600 MW
4	Potentia-Viridi	San Joaquin County	2028	409 MW
5	Matterhorn	Riverside County	2029	407 MW
6	Energia Sierra Juarez 4	Tijuana,Mexico County	2030	309 MW
7	Ocotillo Express	Imperial County	2030	265 MW
8	Tule Wind	San Diego County	2030	128 MW
9	Windstar I Alternate	Kern County	2030	120 MW
10	Toland Renewable Energy Park	Solano County	2029	108 MW

Planned wind farms expected online soonest in California

In the next 18 months, soonest first

#	Wind farm	County	Expected online	Capacity
1	Mulqueeney Ranch Wind	Alameda County	2026	20 MW
2	Sand Hill C	Alameda County	2027	84 MW
3	Altamont Midway Ltd	Alameda County	2027	5 MW
4	Sand Hill C	Alameda County	2027	80 MW
5	Rooney Ranch	Alameda County	2027	21 MW
6	Sand Hill B	Alameda County	2027	17 MW
7	Sand Hill A	Alameda County	2027	14 MW
8	Windwalker Offshore	San Luis Obispo County	2028	1,029 MW
9	Potentia-Viridi	San Joaquin County	2028	409 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 California

How many wind farms are planned in California?: Developers have proposed 27 wind farms in California with 5.9 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned wind farm in California?: Holman in Monterey County, California is the largest planned, at 1,525 MW. It is expected to come online in 2034.
Who is developing wind farms in California?: 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.