Directory of Power Plants in California
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Baldy Mesa 2_Silver Peak Hybrid | AES Clean Energy | Adelanto, CA | California Independent System Operator (CISO) | 107.7 GWh | Nov 2024 | Oct 2025 | Solar |
Browse Power Plants By California Counties
Figures are based on October 2025 generation numbers.| County | State Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Kern County, CA | # 1 | 313 | 34.9 TWh |
| San Luis Obispo County, CA | # 2 | 22 | 20.0 TWh |
| Los Angeles County, CA | # 3 | 308 | 18.1 TWh |
| Riverside County, CA | # 4 | 159 | 14.8 TWh |
| Contra Costa County, CA | # 5 | 56 | 13.2 TWh |
| San Bernardino County, CA | # 6 | 204 | 12.6 TWh |
| Imperial County, CA | # 7 | 84 | 9.7 TWh |
| Shasta County, CA | # 8 | 46 | 7.7 TWh |
| Fresno County, CA | # 9 | 119 | 7.6 TWh |
| Sacramento County, CA | # 10 | 65 | 6.5 TWh |
| Sonoma County, CA | # 11 | 26 | 5.2 TWh |
| San Diego County, CA | # 12 | 151 | 4.9 TWh |
| Kings County, CA | # 13 | 57 | 4.3 TWh |
| Santa Clara County, CA | # 14 | 75 | 4.0 TWh |
| Butte County, CA | # 15 | 25 | 3.5 TWh |
| Solano County, CA | # 16 | 40 | 3.2 TWh |
| Monterey County, CA | # 17 | 29 | 2.9 TWh |
| Colusa County, CA | # 18 | 3 | 2.9 TWh |
| Orange County, CA | # 19 | 59 | 2.9 TWh |
| Stanislaus County, CA | # 20 | 25 | 2.8 TWh |
| Tuolumne County, CA | # 21 | 23 | 2.7 TWh |
| Alameda County, CA | # 22 | 47 | 2.5 TWh |
| San Joaquin County, CA | # 23 | 47 | 2.1 TWh |
| Placer County, CA | # 24 | 24 | 1.9 TWh |
| Plumas County, CA | # 25 | 13 | 1.9 TWh |
| Sutter County, CA | # 26 | 8 | 1.8 TWh |
| Yuba County, CA | # 27 | 5 | 1.5 TWh |
| Tulare County, CA | # 28 | 69 | 1.5 TWh |
| County | State Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| El Dorado County, CA | # 29 | 15 | 1.4 TWh |
| Inyo County, CA | # 30 | 23 | 1.1 TWh |
| Madera County, CA | # 31 | 28 | 970.8 GWh |
| Lake County, CA | # 32 | 10 | 904.9 GWh |
| Mono County, CA | # 33 | 9 | 785.9 GWh |
| Ventura County, CA | # 34 | 32 | 752.7 GWh |
| Amador County, CA | # 35 | 8 | 664.9 GWh |
| Trinity County, CA | # 36 | 5 | 570.3 GWh |
| Merced County, CA | # 37 | 31 | 543.8 GWh |
| Calaveras County, CA | # 38 | 6 | 501.4 GWh |
| Humboldt County, CA | # 39 | 10 | 472.3 GWh |
| Lassen County, CA | # 40 | 9 | 341.0 GWh |
| Santa Barbara County, CA | # 41 | 18 | 337.8 GWh |
| Mariposa County, CA | # 42 | 2 | 299.7 GWh |
| San Benito County, CA | # 43 | 6 | 293.7 GWh |
| Nevada County, CA | # 44 | 12 | 219.1 GWh |
| Yolo County, CA | # 45 | 15 | 212.2 GWh |
| San Mateo County, CA | # 46 | 11 | 133.9 GWh |
| Siskiyou County, CA | # 47 | 8 | 89.8 GWh |
| San Francisco County, CA | # 48 | 10 | 84.0 GWh |
| Santa Cruz County, CA | # 49 | 6 | 60.5 GWh |
| Tehama County, CA | # 50 | 7 | 59.7 GWh |
| Napa County, CA | # 51 | 9 | 51.0 GWh |
| Sierra County, CA | # 52 | 3 | 33.0 GWh |
| Marin County, CA | # 53 | 3 | 19.0 GWh |
| Glenn County, CA | # 54 | 2 | 18.7 GWh |
| Mendocino County, CA | # 55 | 5 | 12.3 GWh |