How many solar farms are in California?

California has 996 operating utility-scale solar farms with 26 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest solar farm in California?

Topaz Solar Farm in San Luis Obispo County, California is the largest, at 586 MW. It came online in 2014.

How many solar farms were built in California in 2025?

64 solar farms came online in California in 2025, with 2,260 MW of capacity.

Who is developing solar 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.

Solar farms in California

California has 996 operating solar farms with 26 GW of capacity. 64 came online in 2025.

Operating996

See planned solar farms in California

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

California had 432 solar farms online in 2016 and 996 in 2026

432

498

553

588

649

714

764

824

889

953

996

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

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

The 10 largest solar farms in California

Operating, by capacity

#	Solar farm	County	Year online	Capacity
1	Topaz Solar Farm	San Luis Obispo County	2014	586 MW
2	Bellefield Solar and Energy Storage Farm	Kern County	2025	500 MW
3	Solar Star 1	Kern County	2015	318 MW
4	Desert Sunlight 300, LLC	Riverside County	2014	314 MW
5	Eland Solar & Storage Center, Phase 1 Hy	Kern County	2024	310 MW
6	Eland Solar & Storage Center, Phase 2 Hy	Kern County	2025	308 MW
7	Desert Quartzite	Riverside County	2024	300 MW
8	Rexford Solar Farm	Tulare County	2025	300 MW
9	Daggett 3	San Bernardino County	2023	300 MW
10	Slate Hybrid	Kings County	2022	300 MW

Solar farms that came online most recently in California

Newest first

#	Solar farm	County	Year online	Capacity
1	7999 Gateway Solar	Alameda County	2026	5 MW
2	Perris DC 5 - sline015	Riverside County	2026	2 MW
3	Dominguez - SLLAX512	Los Angeles County	2026	1 MW
4	Ranch 4220	Kern County	2026	1 MW
5	Aramis I Solar Project	Alameda County	2026	100 MW
6	Pacifico Power Lancaster 01	Los Angeles County	2026	6 MW
7	Pacifico Power Palmdale 01	Los Angeles County	2026	3 MW
8	Lerdo East	Kern County	2026	2 MW
9	South Bay Dis Ctr 20-SLLAX512	Los Angeles County	2026	1 MW
10	Commerce Distribution Center 4-SLLAX113	Los Angeles County	2026	1 MW

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

How Cleanview tracks solar farms

Operating solar 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 solar farms in California

How many solar farms are in California?: California has 996 operating utility-scale solar farms with 26 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest solar farm in California?: Topaz Solar Farm in San Luis Obispo County, California is the largest, at 586 MW. It came online in 2014.
How many solar farms were built in California in 2025?: 64 solar farms came online in California in 2025, with 2,260 MW of capacity.
Who is developing solar 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.