Explore the largest solar farms in CAISO and see all the utility-scale solar projects in CAISO on a map.
Last updated: May 2026
On this page, you can explore our real-time database of solar farms in CAISO. Each month, we track solar projects and update our list of the largest solar farms in CAISO.
As of May 2026, there are 825 utility-scale solar farms in CAISO, according to Cleanview's project tracker. Their total operating capacity is 24,956 MW. In 2025, there were 50 solar farms built in CAISO. See also: planned solar farms in CAISO→
Total Solar Farms
825
Total Capacity
24,956 MW
Built in 2025
50
Map of solar farms in CAISO. Marker size reflects capacity — only facilities with reported capacity data are shown.
586 MW
Year Operational: November 2014
Location: San Luis Obispo, California
500 MW
Year Operational: December 2025
Location: Kern, California
Developer: AES Clean Energy
348 MW
Year Operational: February 2014
Location: Yuma, Arizona
318 MW
Year Operational: June 2015
Location: Kern, California
314 MW
Year Operational: October 2014
Location: Riverside, California
300 MW
Year Operational: December 2024
Location: Riverside, California
Developer: EDF Renewables
300 MW
Year Operational: February 2025
Location: Tulare, California
Developer: AES Clean Energy
300 MW
Year Operational: July 2023
Location: San Bernardino, California
300 MW
Year Operational: December 2024
Location: Yuma, Arizona
Developer: AES Clean Energy
2 MW
Year Operational: March 2026
Location: Ventura, California
Developer: Renewable Properties
1 MW
Year Operational: March 2026
Location: San Joaquin, California
1 MW
Year Operational: March 2026
Location: Ventura, California
Developer: DSD Renewables
1 MW
Year Operational: March 2026
Location: Merced, California
Developer: ZG
13 MW
Year Operational: February 2026
Location: Madera, California
Developer: Valta Energy
5 MW
Year Operational: February 2026
Location: Fresno, California
Developer: Renewable Properties
2 MW
Year Operational: February 2026
Location: San Joaquin, California
Developer: Prologis Logistics Services
1 MW
Year Operational: February 2026
Location: San Joaquin, California
Developer: Prologis Logistics Services
4 MW
Year Operational: January 2026
Location: Fresno, California
Developer: White Pine Development
Cleanview