Directory of Power Plants in California
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Catalina Solar 2, LLC | Onward Energy | Rosamond, CA | California Independent System Operator (CISO) | 55.4 GWh | Jul 2015 | Dec 2025 | Solar |
| RE Columbia Two, LLC | Onward Energy | Mojave, CA | California Independent System Operator (CISO) | 41.5 GWh | Nov 2014 | Dec 2025 | Solar |
| Cottonwood Solar, LLC Cottonwood Carport | Onward Energy | Novato, CA | California Independent System Operator (CISO) | 1.1 GWh | Apr 2016 | Dec 2025 | Solar |
| Imperial Valley Solar Co (IVSC) 2, LLC | Onward Energy | Niland, CA | Imperial Irrigation District (IID) | 43.9 GWh | May 2015 | Dec 2025 | Solar |
| Maricopa West Solar PV, LLC | Onward Energy | Taft, CA | California Independent System Operator (CISO) | 50.3 GWh | Nov 2015 | Dec 2025 | Solar |
| RE Kent South, LLC | Onward Energy | Lemoore, CA | California Independent System Operator (CISO) | 35.7 GWh | Nov 2014 | Dec 2025 | Solar |
| Cottonwood Solar, LLC (Goose Lake) | Onward Energy | Lost Hills, CA | California Independent System Operator (CISO) | 29.9 GWh | Apr 2015 | Dec 2025 | Solar |
| Cottonwood Solar, LLC (City of Corcoran) | Onward Energy | Corcoran, CA | California Independent System Operator (CISO) | 20.6 GWh | Apr 2015 | Dec 2025 | Solar |
| Alamo Solar | Onward Energy | Oro Grande, CA | California Independent System Operator (CISO) | 49.3 GWh | Apr 2015 | Dec 2025 | Solar |
| CID Solar, LLC | Onward Energy | Corcoran, CA | California Independent System Operator (CISO) | 40.7 GWh | Nov 2014 | Dec 2025 | Solar |
| SeaWorld Aquatica | Onyx Asset Services Group | Chula Vista, CA | California Independent System Operator (CISO) | 1.9 GWh | Apr 2018 | Dec 2024 | Solar |
| Pacific Aviation | Onyx Asset Services Group | Van Nuys, CA | Los Angeles Department of Water and Power (LDWP) | 2.9 GWh | Mar 2025 | Dec 2025 | Solar |
| Paso Robles - Municipal Airport | Onyx Asset Services Group | Paso Robles, CA | California Independent System Operator (CISO) | 7.6 GWh | Dec 2023 | Dec 2025 | Solar |
| Oaks HOA | Onyx Asset Services Group | Ione, CA | California Independent System Operator (CISO) | 1.7 GWh | Mar 2025 | Dec 2025 | Solar |
| Amazon - SAN5 | Onyx Asset Services Group | San Diego, CA | California Independent System Operator (CISO) | 530.0 MWh | Oct 2025 | Dec 2025 | Solar |
| Legoland CA Phase I | Onyx Asset Services Group | Carlsbad, CA | California Independent System Operator (CISO) | 1.4 GWh | May 2025 | Dec 2025 | Solar |
| Plant No 1 Orange County | Orange County Sanitation Dist - (CA) | Fountain Valley, CA | California Independent System Operator (CISO) | 40.8 GWh | May 1993 | Dec 2025 | Other Biomass Gas : 81.6% Natural Gas : 18.4% |
| Plant No 2 Orange County | Orange County Sanitation Dist - (CA) | Huntington Beach, CA | California Independent System Operator (CISO) | 46.9 GWh | May 1993 | Dec 2025 | Other Biomass Gas : 77.2% Natural Gas : 22.8% |
| Orange Grove Peaking Facility | Orange Grove Energy LP | Pala, CA | California Independent System Operator (CISO) | 9.1 GWh | May 2010 | Dec 2025 | Natural Gas |
| Second Imperial Geothermal | ORCAL Geothermal, Inc | Heber, CA | Imperial Irrigation District (IID) | 275.2 GWh | May 1993 | Dec 2025 | Geothermal |
| Heber Geothermal | ORCAL Geothermal, Inc | Heber, CA | Imperial Irrigation District (IID) | 376.3 GWh | May 1985 | Dec 2025 | Geothermal |
| OES Biogas Power | Organic Energy Solutions, Inc. | San Bernardino, CA | California Independent System Operator (CISO) | 4.9 GWh | - | Dec 2024 | Other Biomass Gas |
| Orion Solar I | Orion Solar I LLC | Arvin, CA | California Independent System Operator (CISO) | 27.4 GWh | Mar 2014 | Dec 2025 | Solar |
| Orion Solar II | Orion Solar II, LLC | Arvin, CA | California Independent System Operator (CISO) | 16.0 GWh | May 2014 | Dec 2025 | Solar |
| Ormesa III | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 44.4 GWh | Apr 1989 | Dec 2024 | Geothermal |
| Ormesa I | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 70.2 GWh | Nov 1986 | Dec 2024 | Geothermal |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 83.8 GWh | Nov 1990 | Dec 2025 | Geothermal |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 43.6 GWh | Nov 1984 | Dec 2025 | Geothermal |
| North Brawley Geothermal Plant | Ormat Nevada Inc | Brawley, CA | Imperial Irrigation District (IID) | 8.4 GWh | Sep 2009 | Dec 2025 | Geothermal |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 75.3 GWh | Nov 1990 | Dec 2025 | Geothermal |
| Ormesa II | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 131.7 GWh | Apr 1989 | Dec 2024 | Geothermal |
| Ormond Beach | Ormond Beach Power, LLC | Oxnard, CA | California Independent System Operator (CISO) | 4.9 GWh | Jul 1971 | May 2026 | Natural Gas |
| Arrowleaf Solar and Storage | ORNI 30 LLC | Brawley, CA | Imperial Irrigation District (IID) | 38.8 GWh | Nov 2025 | May 2026 | Solar |
| Otay Mesa Generating Project | Otay Mesa Energy Center LLC | San Diego, CA | California Independent System Operator (CISO) | 1.3 TWh | Sep 2009 | May 2026 | Natural Gas |
| P66 Rodeo Solar | P66 Rodeo Solar | Rodeo, CA | California Independent System Operator (CISO) | 58.0 GWh | Mar 2023 | May 2026 | Solar |
| PAC Aviation Solar | PAC Aviation | Van Nuys, CA | Los Angeles Department of Water and Power (LDWP) | 3.0 GWh | Nov 2024 | Dec 2025 | Solar |
| West Gates Solar Station | Pacific Gas & Electric Co. | Huron, CA | California Independent System Operator (CISO) | 14.1 GWh | Apr 2013 | Dec 2025 | Solar |
| Spaulding 3 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 16.9 GWh | Jan 1929 | Dec 2025 | Water |
| Gates Solar Station | Pacific Gas & Electric Co. | Huron, CA | California Independent System Operator (CISO) | 30.5 GWh | May 2013 | Dec 2025 | Solar |
| A G Wishon | Pacific Gas & Electric Co. | North Fork, CA | California Independent System Operator (CISO) | 24.1 GWh | Aug 1910 | Oct 2025 | Water |
| Vaca Dixon Solar Station | Pacific Gas & Electric Co. | Vacaville, CA | California Independent System Operator (CISO) | 3.3 GWh | Nov 2009 | Dec 2025 | Solar |
| Wise | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 29.9 GWh | Feb 1917 | Dec 2025 | Water |
| West Point PH | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 18.1 GWh | Oct 1948 | Dec 2025 | Water |
| Diablo Canyon | Pacific Gas & Electric Co. | Avila Beach, CA | California Independent System Operator (CISO) | 18.4 TWh | Apr 1985 | May 2026 | Nuclear |
| Volta 1 | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 21.1 GWh | Mar 1980 | Dec 2025 | Water |
| Phoenix | Pacific Gas & Electric Co. | Sonora, CA | California Independent System Operator (CISO) | 4.9 GWh | Jan 1940 | Dec 2025 | Water |
| Tiger Creek | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 215.7 GWh | May 1931 | Dec 2025 | Water |
| Stanislaus | Pacific Gas & Electric Co. | Vallecito, CA | California Independent System Operator (CISO) | 199.8 GWh | Feb 1963 | Dec 2025 | Water |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | California Independent System Operator (CISO) | 11.6 GWh | Aug 1921 | Dec 2025 | Water |
| Pit 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 255.5 GWh | Aug 1922 | Dec 2025 | Water |
| Salt Springs | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 113.4 GWh | May 1931 | Dec 2025 | Water |
| Spaulding 2 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 21.0 MWh | Jun 1928 | Nov 2025 | Water |
| Pit 3 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 374.6 GWh | Jun 1925 | Dec 2025 | Water |
| Pit 4 | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 349.3 GWh | Jun 1955 | May 2026 | Water |
| Pit 5 | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 456.3 GWh | Mar 1944 | Feb 2026 | Water |
| Colusa Generating Station | Pacific Gas & Electric Co. | Maxwell, CA | California Independent System Operator (CISO) | 2.0 TWh | Nov 2010 | May 2026 | Natural Gas |
| Gateway Generating Station | Pacific Gas & Electric Co. | Antioch, CA | California Independent System Operator (CISO) | 2.5 TWh | Dec 2008 | May 2026 | Natural Gas |
| Balch 1 | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 71.2 GWh | Jan 1927 | Dec 2025 | Water |
| Spaulding 1 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 17.4 GWh | Apr 1928 | Dec 2025 | Water |
| South | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 11.5 GWh | Nov 1979 | Dec 2025 | Water |
| Pit 6 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 262.5 GWh | Jul 1965 | Dec 2025 | Water |
| Pit 7 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 376.0 GWh | Aug 1965 | May 2026 | Water |
| Poe | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 363.0 GWh | Sep 1958 | Mar 2026 | Water |
| Rock Creek | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 471.6 GWh | Feb 1950 | May 2026 | Water |
| Kings River PH | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 80.8 GWh | Feb 1962 | Dec 2025 | Water |
| Newcastle | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 6.0 GWh | Nov 1986 | Dec 2025 | Water |
| Balch 2 | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 342.3 GWh | Oct 1958 | Dec 2025 | Water |
| Belden | Pacific Gas & Electric Co. | Belden, CA | California Independent System Operator (CISO) | 415.3 GWh | Aug 1969 | May 2026 | Water |
| Bucks Creek | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 192.0 GWh | Feb 1928 | Dec 2025 | Water |
| Kerckhoff 2 | Pacific Gas & Electric Co. | Auberry, CA | California Independent System Operator (CISO) | 444.1 GWh | Apr 1983 | May 2026 | Water |
| Butt Valley | Pacific Gas & Electric Co. | Belden, CA | California Independent System Operator (CISO) | 145.3 GWh | Nov 1958 | Dec 2025 | Water |
| Caribou 1 | Pacific Gas & Electric Co. | Belden, CA | California Independent System Operator (CISO) | 275.7 GWh | May 1921 | Dec 2025 | Water |
| Toadtown | Pacific Gas & Electric Co. | Magalia, CA | California Independent System Operator (CISO) | 1.8 GWh | Mar 1986 | Oct 2025 | Water |
| Caribou 2 | Pacific Gas & Electric Co. | Belden, CA | California Independent System Operator (CISO) | 470.8 GWh | Oct 1958 | May 2026 | Water |
| Coleman PH | Pacific Gas & Electric Co. | Anderson, CA | California Independent System Operator (CISO) | 30.9 GWh | May 1979 | Dec 2025 | Water |
| Cresta | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 341.7 GWh | Oct 1949 | Dec 2025 | Water |
| Alta Powerhouse | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 2.2 GWh | Oct 1902 | Dec 2025 | Water |
| Huron Solar Station | Pacific Gas & Electric Co. | Huron, CA | California Independent System Operator (CISO) | 28.1 GWh | May 2012 | Dec 2025 | Solar |
| Cantua Solar Station | Pacific Gas & Electric Co. | TBD, CA | California Independent System Operator (CISO) | 23.0 GWh | May 2012 | Dec 2025 | Solar |
| Giffen | Pacific Gas & Electric Co. | TBD, CA | California Independent System Operator (CISO) | 11.6 GWh | May 2012 | Dec 2025 | Solar |
| Westside Solar Station | Pacific Gas & Electric Co. | Five Points, CA | California Independent System Operator (CISO) | 12.0 GWh | Jul 2011 | Dec 2025 | Solar |
| Guernsey Solar Station | Pacific Gas & Electric Co. | Hanford, CA | California Independent System Operator (CISO) | 21.5 GWh | Jul 2013 | Dec 2025 | Solar |
| James B Black | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 530.6 GWh | Nov 1965 | May 2026 | Water |
| Humboldt Bay | Pacific Gas & Electric Co. | Eureka, CA | California Independent System Operator (CISO) | 320.0 GWh | Aug 2010 | May 2026 | Natural Gas : 99.6% |
| Hat Creek 2 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 46.0 GWh | Aug 1921 | Dec 2025 | Water |
| Hat Creek 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 32.4 GWh | Jul 1921 | Dec 2025 | Water |
| Halsey | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 21.5 GWh | Nov 1916 | Dec 2025 | Water |
| Haas | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 154.8 GWh | Nov 1958 | May 2026 | Water |
| Electra | Pacific Gas & Electric Co. | Jackson, CA | California Independent System Operator (CISO) | 261.6 GWh | May 1948 | May 2026 | Water |
| Dutch Flat | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 66.0 GWh | Feb 1943 | Dec 2025 | Water |
| Drum 2 | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 164.2 GWh | Nov 1965 | Dec 2025 | Water |
| Drum 1 | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 15.1 GWh | Oct 1913 | Dec 2025 | Water |
| De Sabla | Pacific Gas & Electric Co. | Magalia, CA | California Independent System Operator (CISO) | 20.7 GWh | Jan 1963 | Dec 2025 | Water |
| Stroud Solar Station | Pacific Gas & Electric Co. | Helm, CA | California Independent System Operator (CISO) | 14.9 GWh | Aug 2011 | Dec 2025 | Solar |
| Five Points Solar Station | Pacific Gas & Electric Co. | Five Points, CA | California Independent System Operator (CISO) | 12.6 GWh | Aug 2011 | Dec 2025 | Solar |
| Volta 2 | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 3.6 GWh | Oct 1981 | Dec 2025 | Water |
| Fall Creek | PacifiCorp | Hornbrook, CA | PacifiCorp West (PACW) | 5.9 GWh | Aug 1903 | Dec 2025 | Water |
| Palm Springs DAC PV | Palm Springs USD | Palm Springs, CA | California Independent System Operator (CISO) | 1.3 GWh | Mar 2021 | Dec 2025 | Solar |
| Municipal Cogen Plant | Palm Springs, City of - (CA) | Palm Springs, CA | California Independent System Operator (CISO) | 7.3 GWh | Apr 1985 | May 2026 | Natural Gas |
| Dissigno Healdsburg FPV, LLC | Palmetto Power Management LLC | Healdsburg, CA | California Independent System Operator (CISO) | 5.6 GWh | Nov 2020 | Dec 2025 | Solar |
Browse Power Plants By California Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Kern County, CA | # 1 | 317 | 34.2 TWh |
| San Luis Obispo County, CA | # 2 | 22 | 20.5 TWh |
| Los Angeles County, CA | # 3 | 319 | 16.8 TWh |
| Riverside County, CA | # 4 | 162 | 14.1 TWh |
| Contra Costa County, CA | # 5 | 59 | 12.7 TWh |
| San Bernardino County, CA | # 6 | 208 | 12.0 TWh |
| Imperial County, CA | # 7 | 84 | 9.9 TWh |
| Fresno County, CA | # 8 | 127 | 7.3 TWh |
| Shasta County, CA | # 9 | 46 | 7.2 TWh |
| Sacramento County, CA | # 10 | 67 | 5.6 TWh |
| Sonoma County, CA | # 11 | 26 | 5.0 TWh |
| San Diego County, CA | # 12 | 156 | 4.3 TWh |
| Kings County, CA | # 13 | 58 | 4.0 TWh |
| Santa Clara County, CA | # 14 | 76 | 3.5 TWh |
| Butte County, CA | # 15 | 25 | 3.5 TWh |
| Solano County, CA | # 16 | 41 | 3.1 TWh |
| Tuolumne County, CA | # 17 | 23 | 2.9 TWh |
| Stanislaus County, CA | # 18 | 25 | 2.7 TWh |
| Alameda County, CA | # 19 | 51 | 2.6 TWh |
| Orange County, CA | # 20 | 59 | 2.5 TWh |
| Monterey County, CA | # 21 | 29 | 2.3 TWh |
| Plumas County, CA | # 22 | 13 | 2.2 TWh |
| Colusa County, CA | # 23 | 4 | 2.2 TWh |
| Placer County, CA | # 24 | 24 | 1.8 TWh |
| Sutter County, CA | # 25 | 8 | 1.7 TWh |
| Tulare County, CA | # 26 | 71 | 1.6 TWh |
| El Dorado County, CA | # 27 | 15 | 1.6 TWh |
| Yuba County, CA | # 28 | 5 | 1.5 TWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| San Joaquin County, CA | # 29 | 53 | 1.5 TWh |
| Madera County, CA | # 30 | 28 | 1.2 TWh |
| Inyo County, CA | # 31 | 23 | 1.1 TWh |
| Lake County, CA | # 32 | 10 | 896.8 GWh |
| Ventura County, CA | # 33 | 33 | 672.3 GWh |
| Amador County, CA | # 34 | 8 | 610.5 GWh |
| Mono County, CA | # 35 | 9 | 597.8 GWh |
| Calaveras County, CA | # 36 | 6 | 502.3 GWh |
| Trinity County, CA | # 37 | 5 | 488.3 GWh |
| Merced County, CA | # 38 | 33 | 484.8 GWh |
| Humboldt County, CA | # 39 | 10 | 442.1 GWh |
| Lassen County, CA | # 40 | 9 | 337.3 GWh |
| Santa Barbara County, CA | # 41 | 18 | 300.1 GWh |
| Mariposa County, CA | # 42 | 2 | 272.7 GWh |
| San Benito County, CA | # 43 | 6 | 257.6 GWh |
| Nevada County, CA | # 44 | 12 | 225.0 GWh |
| Yolo County, CA | # 45 | 15 | 196.2 GWh |
| San Mateo County, CA | # 46 | 11 | 131.4 GWh |
| San Francisco County, CA | # 47 | 10 | 79.8 GWh |
| Siskiyou County, CA | # 48 | 8 | 77.3 GWh |
| Santa Cruz County, CA | # 49 | 6 | 60.8 GWh |
| Tehama County, CA | # 50 | 7 | 52.9 GWh |
| Napa County, CA | # 51 | 11 | 51.2 GWh |
| Sierra County, CA | # 52 | 3 | 29.3 GWh |
| Marin County, CA | # 53 | 3 | 28.1 GWh |
| Mendocino County, CA | # 54 | 6 | 12.3 GWh |
| Glenn County, CA | # 55 | 2 | 12.1 GWh |