Directory of Power Plants in California
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 43.6 GWh | Nov 1984 | Dec 2025 | Geothermal |
| San Jose Cogeneration | San Jose State University Fclts Dev &Ops | San Jose, CA | California Independent System Operator (CISO) | 35.4 GWh | Nov 1984 | May 2026 | Natural Gas |
| Cameron Ridge LLC | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 148.0 GWh | Nov 1984 | Dec 2025 | Wind |
| Three Forks Water Power Project | Grizzly Mountain Ranch | Zenia, CA | California Independent System Operator (CISO) | 2.6 GWh | Nov 1984 | Dec 2024 | Water |
| Mesa Wind Power LLC | Mesa Wind Power LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 113.7 GWh | Oct 1984 | May 2026 | Wind |
| Drop 1 | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 9.0 GWh | Sep 1984 | Dec 2025 | Water |
| East Highline | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 2.8 GWh | Aug 1984 | Dec 2025 | Water |
| US Borax | U S Borax Inc | Boron, CA | California Independent System Operator (CISO) | 255.4 GWh | Jun 1984 | May 2026 | Natural Gas |
| Los Angeles Refinery Wilmington | Phillips 66 - Los Angeles | Wilmington, CA | Los Angeles Department of Water and Power (LDWP) | 365.4 GWh | Apr 1984 | Nov 2025 | Other Gas : 58.4% Natural Gas : 41.6% |
| Combie South | Nevada Irrigation District | Auburn, CA | California Independent System Operator (CISO) | 3.7 GWh | Mar 1984 | Dec 2024 | Water |
| Calistoga Power Plant | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 453.8 GWh | Feb 1984 | May 2026 | Geothermal |
| Pine Flat | Kings River Conservation Dist | Piedra, CA | California Independent System Operator (CISO) | 353.0 GWh | Dec 1983 | May 2026 | Water |
| Ridgetop Energy LLC | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 24.5 GWh | Dec 1983 | Dec 2025 | Wind |
| Sonoma California Geothermal | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 435.6 GWh | Nov 1983 | Dec 2025 | Geothermal |
| East Winds Project | Terra-Gen Operating Co-Wind | Palm Springs, CA | California Independent System Operator (CISO) | 6.4 GWh | Nov 1983 | Dec 2025 | Wind |
| Upper Dawson | Turlock Irrigation District | La Grange, CA | Turlock Irrigation District (TIDC) | 8.9 GWh | Oct 1983 | Dec 2025 | Water |
| Indian Valley Dam Hydro Project | Yolo County Flood Control WCD | Clearlake Oaks, CA | California Independent System Operator (CISO) | 11.2 GWh | Sep 1983 | Aug 2025 | Water |
| CP Kelco San Diego Plant | CP Kelco US Inc. | San Diego, CA | California Independent System Operator (CISO) | 71.2 GWh | Sep 1983 | May 2026 | Natural Gas |
| Torrance Refining Company, LLC | Torrance Refining Company, LLC | Torrance, CA | California Independent System Operator (CISO) | 72.9 GWh | Aug 1983 | May 2026 | Other Gas : 61.0% Waste Heat : 39.0% |
| Corona | Metropolitan Water District of S CA | Corona, CA | California Independent System Operator (CISO) | 13.3 GWh | Jul 1983 | Apr 2025 | Water |
| Grossmont Hospital | Sharp Grossmont Hospital | La Mesa, CA | California Independent System Operator (CISO) | 29.2 GWh | Jul 1983 | Dec 2025 | Natural Gas |
| Temescal | Metropolitan Water District of S CA | Corona, CA | California Independent System Operator (CISO) | 14.4 GWh | Jun 1983 | Apr 2025 | Water |
| Camanche | East Bay Municipal Util Dist - (CA) | Clements & Wallace, CA | California Independent System Operator (CISO) | 17.1 GWh | Jun 1983 | Dec 2025 | Water |
| Sly Creek | South Feather Water and Power Agency | Forbestown, CA | California Independent System Operator (CISO) | 27.2 GWh | Jun 1983 | Dec 2025 | Water |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 40.7 GWh | May 1983 | Dec 2025 | Water |
| Gosselin Hydro Plant | Humboldt Bay Mun Water Dist | Ruth, CA | California Independent System Operator (CISO) | 4.6 GWh | May 1983 | Dec 2025 | Water |
| Kerckhoff 2 | Pacific Gas & Electric Co. | Auberry, CA | California Independent System Operator (CISO) | 444.1 GWh | Apr 1983 | May 2026 | Water |
| Frankenheimer Power Plant | Turlock Irrigation District | Oakdale, CA | California Independent System Operator (CISO) | 11.3 GWh | Feb 1983 | Dec 2025 | Water |
| San Gorgonio Farms Wind Farm | San Gorgonio Farms Inc | Whitewater, CA | California Independent System Operator (CISO) | 51.7 GWh | Feb 1983 | Dec 2025 | Wind |
| Geothermal 1 | Northern California Power Agny | Middletown, CA | California Independent System Operator (CISO) | 307.7 GWh | Dec 1982 | May 2026 | Geothermal |
| Equilon Los Angeles Refining | Tesoro Refining and Marketing Company | Wilmington, CA | Los Angeles Department of Water and Power (LDWP) | 239.9 GWh | Nov 1982 | Nov 2025 | Other Gas : 97.9% Natural Gas : 2.1% |
| W E Warne | California Dept. of Water Resources | Gorman, CA | California Independent System Operator (CISO) | 211.0 GWh | Oct 1982 | Dec 2025 | Water |
| B Braun Medical | B Braun Medical Inc | Irvine, CA | California Independent System Operator (CISO) | 28.8 GWh | Oct 1982 | Mar 2025 | Natural Gas |
| Cymric 36W Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 53.4 GWh | Sep 1982 | Dec 2025 | Natural Gas |
| Salton Sea Power Gen Co - Unit 1 | CalEnergy Operating Corporation | Calipatria, CA | Imperial Irrigation District (IID) | 77.1 GWh | Jun 1982 | Dec 2025 | Geothermal |
| Oxnard | Procter&Gamble Paper Products Co-Oxnard | Oxnard, CA | California Independent System Operator (CISO) | 425.0 GWh | Jun 1982 | May 2026 | Natural Gas |
| Taft 26C Cogen | Chevron USA Inc | Taft, CA | California Independent System Operator (CISO) | 43.2 GWh | Jun 1982 | May 2026 | Natural Gas |
| Oak Creek Energy Systems I | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 57.3 GWh | May 1982 | Dec 2025 | Wind |
| Parker | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 6.0 GWh | Mar 1982 | Jun 2025 | Water |
| Drop 5 (CA) | Imperial Irrigation District | Calexico, CA | Imperial Irrigation District (IID) | 5.6 GWh | Feb 1982 | Dec 2025 | Water |
| Victory Garden (Tehachapi) | Wind Stream Operations LLC | Tehachapi, CA | California Independent System Operator (CISO) | 33.0 GWh | Nov 1981 | Dec 2024 | Wind |
| Volta 2 | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 3.6 GWh | Oct 1981 | Dec 2025 | Water |
| Yorba Linda | Metropolitan Water District of S CA | Yorba Linda, CA | California Independent System Operator (CISO) | 9.4 GWh | Oct 1981 | Nov 2025 | Water |
| Oxnard Wastewater Treatment Plant | City of Oxnard - (CA) | Oxnard, CA | California Independent System Operator (CISO) | 3.0 GWh | Jul 1981 | May 2026 | Other Biomass Gas : 97.6% Natural Gas : 2.4% |
| San Dimas | Metropolitan Water District of S CA | San Dimas, CA | California Independent System Operator (CISO) | 10.3 GWh | May 1981 | Sep 2025 | Water |
| Rollins | Nevada Irrigation District | Colfax, CA | California Independent System Operator (CISO) | 36.9 GWh | Jul 1980 | Dec 2025 | Water |
| Lake Mathews | Metropolitan Water District of S CA | Riverside, CA | California Independent System Operator (CISO) | 5.8 GWh | Jul 1980 | Oct 2025 | Water |
| McClure | Modesto Irrigation District | Modesto, CA | Balancing Authority of Northern California (BANC) | 1.6 GWh | Jun 1980 | Dec 2025 | Natural Gas : 71.4% Distillate Fuel Oil : 28.6% |
| Turlock Lake | Turlock Irrigation District | Hickman, CA | Turlock Irrigation District (TIDC) | 3.2 GWh | Jun 1980 | Dec 2025 | Water |
| Volta 1 | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 21.1 GWh | Mar 1980 | Dec 2025 | Water |
| Loma Linda University Cogen | Loma Linda University | Loma Linda, CA | California Independent System Operator (CISO) | 59.9 GWh | Jan 1980 | May 2026 | Natural Gas |
| South | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 11.5 GWh | Nov 1979 | Dec 2025 | Water |
| Hickman | Turlock Irrigation District | Hickman, CA | Turlock Irrigation District (TIDC) | 3.6 GWh | Aug 1979 | Dec 2025 | Water |
| Coleman PH | Pacific Gas & Electric Co. | Anderson, CA | California Independent System Operator (CISO) | 30.9 GWh | May 1979 | Dec 2025 | Water |
| New Melones | U S Bureau of Reclamation | Jamestown, CA | Balancing Authority of Northern California (BANC) | 370.0 GWh | May 1979 | May 2026 | Water |
| Rockwood | Imperial Irrigation District | Brawley, CA | Imperial Irrigation District (IID) | 419.0 MWh | May 1979 | Dec 2025 | Natural Gas : 75.5% Distillate Fuel Oil : 24.5% |
| Dynegy Oakland Power Plant | Dynegy Oakland, LLC | Oakland, CA | California Independent System Operator (CISO) | 1.6 GWh | Oct 1978 | May 2026 | Jet Fuel |
| Martinez Sulfuric Acid Regeneration Plt | Eco Services Corp. | Martinez, CA | California Independent System Operator (CISO) | 13.4 GWh | Dec 1977 | Dec 2025 | Waste Heat |
| Long Beach Generation | Long Beach Generation LLC | Long Beach, CA | California Independent System Operator (CISO) | 10.3 GWh | Nov 1976 | Dec 2024 | Natural Gas |
| Dominguez Plant | Eco Services Corp. | Long Beach, CA | California Independent System Operator (CISO) | 33.7 GWh | Jul 1976 | Dec 2025 | Waste Heat |
| Glenarm | City of Pasadena - (CA) | Pasadena, CA | California Independent System Operator (CISO) | 129.8 GWh | Dec 1975 | Dec 2025 | Natural Gas |
| Ellwood | Ellwood Power, LLC | Goleta, CA | California Independent System Operator (CISO) | 305.0 MWh | Jul 1974 | Dec 2025 | Natural Gas |
| Wellhead Power Panoche | Wellhead Services, Inc | Firebaugh, CA | California Independent System Operator (CISO) | 6.8 GWh | Jul 1973 | Dec 2025 | Natural Gas |
| Coachella | Imperial Irrigation District | Coachella, CA | Imperial Irrigation District (IID) | 2.1 GWh | May 1973 | Dec 2025 | Natural Gas : 95.7% Distillate Fuel Oil : 4.3% |
| Devil Canyon | California Dept. of Water Resources | San Bernardino, CA | California Independent System Operator (CISO) | 813.4 GWh | Nov 1972 | May 2026 | Water |
| Castaic | Los Angeles Department of Water & Power | Castaic, CA | Los Angeles Department of Water and Power (LDWP) | 129.1 GWh | Dec 1971 | May 2026 | Water |
| Foothill | Los Angeles Department of Water & Power | Sylmar, CA | Los Angeles Department of Water and Power (LDWP) | 37.1 GWh | Sep 1971 | Dec 2025 | Water |
| Loon Lake | Sacramento Municipal Util Dist | Fresh Pond, CA | Balancing Authority of Northern California (BANC) | 78.0 GWh | Aug 1971 | Dec 2025 | Water |
| Ormond Beach | Ormond Beach Power, LLC | Oxnard, CA | California Independent System Operator (CISO) | 4.9 GWh | Jul 1971 | May 2026 | Natural Gas |
| Don Pedro | Turlock Irrigation District | La Grange, CA | Turlock Irrigation District (TIDC) | 285.7 GWh | Apr 1971 | May 2026 | Water |
| Geysers Unit 5-20 | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 4.2 TWh | Mar 1971 | May 2026 | Geothermal |
| Narrows 2 | Yuba County Water Agency - (CA) | Browns Valley, CA | California Independent System Operator (CISO) | 181.2 GWh | Nov 1969 | Dec 2025 | Water |
| Colgate | Yuba County Water Agency - (CA) | Dobbins, CA | California Independent System Operator (CISO) | 1.3 TWh | Sep 1969 | Oct 2025 | Water |
| Belden | Pacific Gas & Electric Co. | Belden, CA | California Independent System Operator (CISO) | 415.3 GWh | Aug 1969 | May 2026 | Water |
| Moccasin | City & County of San Francisco - (CA) | Moccasin, CA | California Independent System Operator (CISO) | 307.6 GWh | Jul 1969 | May 2026 | Water |
| Altamont Gas Recovery | WM Renewable Energy LLC | Livermore, CA | California Independent System Operator (CISO) | 38.8 GWh | Feb 1969 | Dec 2025 | Landfill Gas |
| Edward C Hyatt | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 2.0 TWh | Feb 1968 | May 2026 | Water |
| White Rock/Slab Creek | Sacramento Municipal Util Dist | Placerville, CA | Balancing Authority of Northern California (BANC) | 446.1 GWh | Jan 1968 | May 2026 | Water |
| Thermalito | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 302.3 GWh | Jan 1968 | May 2026 | Water |
| Dynegy Moss Landing Power Plant Hybrid | Dynegy -Moss Landing LLC | Moss Landing, CA | California Independent System Operator (CISO) | 1.9 TWh | Nov 1967 | May 2026 | Natural Gas |
| Exchequer | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 245.8 GWh | Jun 1967 | Dec 2025 | Water |
| McSwain | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 26.9 GWh | Jun 1967 | Oct 2025 | Water |
| R C Kirkwood | City & County of San Francisco - (CA) | Groveland, CA | California Independent System Operator (CISO) | 489.0 GWh | Jan 1967 | May 2026 | Water |
| French Meadows | Placer County Water Agency - (CA) | Foresthill, CA | California Independent System Operator (CISO) | 50.8 GWh | Sep 1966 | Dec 2024 | Water |
| Middle Fork | Placer County Water Agency - (CA) | Foresthill, CA | California Independent System Operator (CISO) | 444.4 GWh | Sep 1966 | May 2026 | Water |
| Oxbow (CA) | Placer County Water Agency - (CA) | Foresthill, CA | California Independent System Operator (CISO) | 23.2 GWh | Sep 1966 | Dec 2025 | Water |
| Ralston | Placer County Water Agency - (CA) | Foresthill, CA | California Independent System Operator (CISO) | 302.6 GWh | Sep 1966 | Dec 2025 | Water |
| Drum 2 | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 164.2 GWh | Nov 1965 | Dec 2025 | Water |
| James B Black | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 530.6 GWh | Nov 1965 | May 2026 | Water |
| Chicago Park | Nevada Irrigation District | Colfax, CA | California Independent System Operator (CISO) | 65.2 GWh | Oct 1965 | Dec 2025 | Water |
| Dutch Flat 2 | Nevada Irrigation District | Dutch Flat, CA | California Independent System Operator (CISO) | 15.2 GWh | Oct 1965 | Dec 2025 | Water |
| Robbs Peak | Sacramento Municipal Util Dist | Fresh Pond, CA | Balancing Authority of Northern California (BANC) | 41.4 GWh | Sep 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 |
| Pit 6 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 262.5 GWh | Jul 1965 | Dec 2025 | Water |
| Chili Bar | Sacramento Municipal Util Dist | Placerville, CA | California Independent System Operator (CISO) | 25.2 GWh | Feb 1965 | Dec 2025 | Water |
| Trinity | U S Bureau of Reclamation | Weaverville, CA | Balancing Authority of Northern California (BANC) | 475.6 GWh | Jan 1964 | May 2026 | Water |
| Spring Creek | U S Bureau of Reclamation | Redding, CA | Balancing Authority of Northern California (BANC) | 444.5 GWh | Dec 1963 | May 2026 | Water |
| Woodleaf | South Feather Water and Power Agency | Forbestown, CA | California Independent System Operator (CISO) | 167.1 GWh | Oct 1963 | Dec 2025 | Water |
| Forbestown | South Feather Water and Power Agency | Forbestown, CA | California Independent System Operator (CISO) | 114.9 GWh | Sep 1963 | Dec 2025 | Water |
| Camino | Sacramento Municipal Util Dist | Camino, CA | Balancing Authority of Northern California (BANC) | 293.9 GWh | Sep 1963 | May 2026 | Water |
Browse Power Plants By California Counties
Figures are based on December 2025 generation numbers.| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Glenn County, CA | # 55 | 2 | 12.1 GWh |
| Mendocino County, CA | # 54 | 6 | 12.3 GWh |
| Marin County, CA | # 53 | 3 | 28.1 GWh |
| Sierra County, CA | # 52 | 3 | 29.3 GWh |
| Napa County, CA | # 51 | 11 | 51.2 GWh |
| Tehama County, CA | # 50 | 7 | 52.9 GWh |
| Santa Cruz County, CA | # 49 | 6 | 60.8 GWh |
| Siskiyou County, CA | # 48 | 8 | 77.3 GWh |
| San Francisco County, CA | # 47 | 10 | 79.8 GWh |
| San Mateo County, CA | # 46 | 11 | 131.4 GWh |
| Yolo County, CA | # 45 | 15 | 196.2 GWh |
| Nevada County, CA | # 44 | 12 | 225.0 GWh |
| San Benito County, CA | # 43 | 6 | 257.6 GWh |
| Mariposa County, CA | # 42 | 2 | 272.7 GWh |
| Santa Barbara County, CA | # 41 | 18 | 300.1 GWh |
| Lassen County, CA | # 40 | 9 | 337.3 GWh |
| Humboldt County, CA | # 39 | 10 | 442.1 GWh |
| Merced County, CA | # 38 | 33 | 484.8 GWh |
| Trinity County, CA | # 37 | 5 | 488.3 GWh |
| Calaveras County, CA | # 36 | 6 | 502.3 GWh |
| Mono County, CA | # 35 | 9 | 597.8 GWh |
| Amador County, CA | # 34 | 8 | 610.5 GWh |
| Ventura County, CA | # 33 | 33 | 672.3 GWh |
| Lake County, CA | # 32 | 10 | 896.8 GWh |
| Inyo County, CA | # 31 | 23 | 1.1 TWh |
| Madera County, CA | # 30 | 28 | 1.2 TWh |
| San Joaquin County, CA | # 29 | 53 | 1.5 TWh |
| Yuba County, CA | # 28 | 5 | 1.5 TWh |
| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| El Dorado County, CA | # 27 | 15 | 1.6 TWh |
| Tulare County, CA | # 26 | 71 | 1.6 TWh |
| Sutter County, CA | # 25 | 8 | 1.7 TWh |
| Placer County, CA | # 24 | 24 | 1.8 TWh |
| Colusa County, CA | # 23 | 4 | 2.2 TWh |
| Plumas County, CA | # 22 | 13 | 2.2 TWh |
| Monterey County, CA | # 21 | 29 | 2.3 TWh |
| Orange County, CA | # 20 | 59 | 2.5 TWh |
| Alameda County, CA | # 19 | 51 | 2.6 TWh |
| Stanislaus County, CA | # 18 | 25 | 2.7 TWh |
| Tuolumne County, CA | # 17 | 23 | 2.9 TWh |
| Solano County, CA | # 16 | 41 | 3.1 TWh |
| Butte County, CA | # 15 | 25 | 3.5 TWh |
| Santa Clara County, CA | # 14 | 76 | 3.5 TWh |
| Kings County, CA | # 13 | 58 | 4.0 TWh |
| San Diego County, CA | # 12 | 156 | 4.3 TWh |
| Sonoma County, CA | # 11 | 26 | 5.0 TWh |
| Sacramento County, CA | # 10 | 67 | 5.6 TWh |
| Shasta County, CA | # 9 | 46 | 7.2 TWh |
| Fresno County, CA | # 8 | 127 | 7.3 TWh |
| Imperial County, CA | # 7 | 84 | 9.9 TWh |
| San Bernardino County, CA | # 6 | 208 | 12.0 TWh |
| Contra Costa County, CA | # 5 | 59 | 12.7 TWh |
| Riverside County, CA | # 4 | 162 | 14.1 TWh |
| Los Angeles County, CA | # 3 | 319 | 16.8 TWh |
| San Luis Obispo County, CA | # 2 | 22 | 20.5 TWh |
| Kern County, CA | # 1 | 317 | 34.2 TWh |