Directory of Power Plants in California
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Sierra Solar Greenworks | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 39.5 GWh | Oct 2015 | Dec 2024 | Solar |
| Signal Hill West Unit | Signal Hill Petroleum, Inc | Signal Hill, CA | California Independent System Operator (CISO) | 38.6 GWh | Jun 2004 | May 2025 | Other Gas |
| Silicon Valley Clean Water | Silicon Valley Clean Water | Redwood City, CA | California Independent System Operator (CISO) | 7.0 GWh | Feb 2015 | Dec 2024 | Other Biomass Gas : 71.4% Natural Gas : 28.6% |
| Silveira Ranch Road Solar | Silveira Ranch Road Solar | Novato, CA | California Independent System Operator (CISO) | 4.1 GWh | Feb 2021 | Dec 2024 | Solar |
| Siphon Drop Power Plant | Yuma County Water User's Association | Winterhaven, CA | Western Area Power Administration - Desert Southwest Region (WALC) | 11.6 GWh | Aug 1987 | Dec 2024 | Water |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 4.9 GWh | Jan 1985 | Jul 2024 | Water |
| SJ/SC WPCP | San Jose/Santa Clara Water P C | San Jose, CA | California Independent System Operator (CISO) | 84.0 GWh | Jan 1953 | May 2025 | Natural Gas : 50.2% Other Biomass Gas : 49.7% |
| Sky River Wind Energy Center | Sky River Wind LLC | Tehachapi, CA | California Independent System Operator (CISO) | 245.0 GWh | Jan 1991 | Dec 2024 | Wind |
| Slate Creek | Central Rivers Power US, LLC | Lakehead, CA | PacifiCorp West (PACW) | 7.3 GWh | Apr 1990 | Dec 2024 | Water |
| Slate Hybrid | MN8 Energy LLC | Stratford, CA | California Independent System Operator (CISO) | 711.1 GWh | Oct 2021 | May 2025 | Solar |
| Sly Creek | South Feather Water and Power Agency | Forbestown, CA | California Independent System Operator (CISO) | 30.9 GWh | Jun 1983 | Dec 2024 | Water |
| SMUD at Fleshman | Sacramento PV Energy, LLC | Galt, CA | Balancing Authority of Northern California (BANC) | 5.0 GWh | Nov 2011 | Dec 2024 | Solar |
| SMUD at Grundman | Sacramento PV Energy, LLC | Elk Grove, CA | Balancing Authority of Northern California (BANC) | 29.4 GWh | Nov 2011 | Dec 2024 | Solar |
| SMUD at Lawrence | Sacramento PV Energy, LLC | Elk Grove, CA | Balancing Authority of Northern California (BANC) | 1.6 GWh | Nov 2011 | Dec 2024 | Solar |
| SMUD at Van Conett | Sacramento PV Energy, LLC | Galt, CA | Balancing Authority of Northern California (BANC) | 1.3 GWh | Nov 2011 | Dec 2023 | Solar |
| Soboba Community Solar Project | Soboba Band of Luiseno Indians | San Jacinto, CA | California Independent System Operator (CISO) | 3.4 GWh | Jul 2016 | Dec 2024 | Solar |
| Sol Orchard El Centro PV | Sol Orchard Imperial 1, LLC | El Centro, CA | Imperial Irrigation District (IID) | 47.1 GWh | Sep 2013 | Dec 2024 | Solar |
| Solano County Cogen Plant | Solano County | Fairfield, CA | California Independent System Operator (CISO) | 7.6 GWh | May 1989 | Dec 2023 | Natural Gas |
| Solano Wind | Sacramento Municipal Util Dist | Rio Vista, CA | California Independent System Operator (CISO) | 740.6 GWh | May 1994 | May 2025 | Wind |
| Solar Blue | Westlands Solar Blue (OZ) Owner, LLC | Lemoore, CA | California Independent System Operator (CISO) | 640.9 GWh | Nov 2023 | May 2025 | Solar |
| Solar Blythe 2 | NRG Solar Blythe II LLC | Blythe, CA | California Independent System Operator (CISO) | 38.1 GWh | Mar 2017 | Dec 2024 | Solar |
| Solar Blythe LLC | NRG Solar Blythe | Blythe, CA | California Independent System Operator (CISO) | 41.8 GWh | Nov 2009 | Dec 2024 | Solar |
| Solar Borrego I | NRG Solar Borrego I | Borrego Springs, CA | California Independent System Operator (CISO) | 62.2 GWh | Jan 2013 | Dec 2024 | Solar |
| Solar Gen 2 Solar Facility | Southern Power Co | Calipatria, CA | California Independent System Operator (CISO) | 364.2 GWh | Oct 2014 | Dec 2024 | Solar |
| Solar Oasis LLC | Solar Oasis, LLC | Palmdale, CA | California Independent System Operator (CISO) | 51.3 GWh | Dec 2015 | Dec 2024 | Solar |
| Solar Photovoltaic Project #42 | Southern California Edison Co | Tulare, CA | California Independent System Operator (CISO) | 7.6 GWh | Oct 2012 | Dec 2024 | Solar |
| Solar Star 1 | Solar Star California XIX, LLC | Rosamond, CA | California Independent System Operator (CISO) | 889.6 GWh | Feb 2014 | May 2025 | Solar |
| Solar Star 2 | Solar Star California XX, LLC | Rosamond, CA | California Independent System Operator (CISO) | 713.3 GWh | Feb 2014 | May 2025 | Solar |
| Solar Star California II LLC | Solar Star California II LLC | Sacramento, CA | Balancing Authority of Northern California (BANC) | 3.5 GWh | Jul 2012 | Dec 2024 | Solar |
| Solar Star California, XLI, LLC | MN8 Energy LLC | Rosamond, CA | California Independent System Operator (CISO) | 150.8 GWh | Nov 2016 | May 2025 | Solar |
| Solar Star California, XLIV, LLC | MN8 Energy LLC | Pearblossom, CA | California Independent System Operator (CISO) | 17.7 GWh | Nov 2016 | Dec 2024 | Solar |
| Solar Star Palo Alto I, LLC | DG 1 Acquisition Co., LLC | Palo Alto, CA | California Independent System Operator (CISO) | 2.0 GWh | Jul 2019 | Dec 2024 | Solar |
| Solverde 1 | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 206.1 GWh | Nov 2016 | May 2025 | Solar |
| Sonoma California Geothermal | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 447.6 GWh | Nov 1983 | Dec 2024 | Geothermal |
| Sonoma Central Landfill Phase I | County of Sonoma Dept of Trnsp | Petaluma, CA | California Independent System Operator (CISO) | 5.6 GWh | Jun 1993 | Dec 2024 | Landfill Gas |
| Sonoma Central Landfill Phase II | County of Sonoma Dept of Trnsp | Petaluma, CA | California Independent System Operator (CISO) | 5.0 GWh | May 1996 | Dec 2024 | Landfill Gas |
| Sonora 1 | Greenbacker Renewable Energy Corporation | Jamestown, CA | California Independent System Operator (CISO) | 621.0 MWh | Nov 2013 | Dec 2024 | Solar |
| Soscol Ferry Solar | Soscol Ferry Solar | Napa, CA | California Independent System Operator (CISO) | 4.8 GWh | Nov 2020 | Dec 2024 | Solar |
| South | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 13.1 GWh | Nov 1979 | Dec 2024 | Water |
| South Belridge Cogeneration Facility | AERA Energy LLC | McKittrick, CA | California Independent System Operator (CISO) | 473.0 GWh | Nov 1985 | May 2025 | Natural Gas |
| South County Detention Center Solar | SoCore Energy LLC | Porterville, CA | California Independent System Operator (CISO) | 2.4 GWh | Oct 2019 | Dec 2024 | Solar |
| Southeast Kern River Cogen | Chevron USA Inc | Bakersfield, CA | California Independent System Operator (CISO) | 57.8 GWh | Jan 1989 | May 2025 | Natural Gas |
| Southeast Resource Recovery | SERRF Joint Powers Authority | Long Beach, CA | California Independent System Operator (CISO) | 89.9 GWh | Jun 1988 | Mar 2024 | Non-biogenic Municipal Solid Waste : 51.7% Biogenic Municipal Solid Waste : 42.3% Natural Gas : 6.1% |
| SPA Cogen 3 | Sacramento Municipal Util Dist | Sacramento, CA | Balancing Authority of Northern California (BANC) | 547.8 GWh | Nov 1997 | May 2025 | Natural Gas |
| Spaulding 1 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 17.6 GWh | Apr 1928 | Dec 2024 | Water |
| Spaulding 3 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 15.6 GWh | Jan 1929 | Dec 2024 | Water |
| SPI Anderson 2 | Sierra Pacific Industries | Anderson, CA | California Independent System Operator (CISO) | 141.6 GWh | Jul 2015 | Dec 2023 | Wood/Wood Waste Solids : 99.8% |
| Spicer Meadow Project | Northern California Power Agny | Murphys, CA | California Independent System Operator (CISO) | 21.6 GWh | Oct 1989 | Dec 2024 | Water |
| Spreckels Sugar Company | Spreckels Sugar Company | Brawley, CA | Imperial Irrigation District (IID) | 19.9 GWh | Mar 1948 | Dec 2024 | Natural Gas |
| Spring Creek | U S Bureau of Reclamation | Redding, CA | Balancing Authority of Northern California (BANC) | 338.6 GWh | Dec 1963 | May 2025 | Water |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | California Independent System Operator (CISO) | 29.8 GWh | Aug 1921 | Nov 2024 | Water |
| Springbok 3 Solar Farm Hybrid | 64KT 8me LLC | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 248.2 GWh | Jun 2019 | May 2025 | Solar |
| Springbok Solar Farm 1 | 62SK 8me, LLC | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 297.7 GWh | Jun 2016 | Dec 2024 | Solar |
| Springbok Solar Farm 2 | 63SU 8me, LLC | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 399.0 GWh | Aug 2016 | Dec 2024 | Solar |
| Springs Generating Station | City of Riverside - (CA) | Riverside, CA | California Independent System Operator (CISO) | 825.0 MWh | Jun 2002 | Dec 2024 | Natural Gas |
| Springville Hydroelectric | Calleguas Mun Water District | Camarillo, CA | California Independent System Operator (CISO) | 98.0 MWh | Feb 1994 | Dec 2024 | Water |
| SRI International Cogen Project | IPT SRI Cogeneration Inc | Menlo Park, CA | California Independent System Operator (CISO) | 23.9 GWh | Mar 1987 | May 2025 | Natural Gas |
| SSI West Riverside Landfill LLC | Standard Solar | Riverside, CA | Los Angeles Department of Water and Power (LDWP) | 4.3 GWh | Oct 2020 | Dec 2024 | Solar |
| Stage Gulch Solar | Stage Gulch Solar, LLC | Petaluma, CA | California Independent System Operator (CISO) | 1.5 GWh | Mar 2018 | Dec 2024 | Solar |
| Stampede | U S Bureau of Reclamation | Truckee, CA | Nevada Power Company (NEVP) | 13.8 GWh | Dec 1987 | May 2025 | Water |
| Stanford Campus Solar | MN8 Energy LLC | Stanford, CA | California Independent System Operator (CISO) | 5.9 GWh | Feb 2017 | Dec 2024 | Solar |
| Stanislaus | Pacific Gas & Electric Co. | Vallecito, CA | California Independent System Operator (CISO) | 315.8 GWh | Feb 1963 | Oct 2024 | Water |
| Stanton Energy Reliability Center Hybrid | Wellhead Services, Inc | Stanton, CA | California Independent System Operator (CISO) | 601.0 MWh | Jun 2020 | May 2025 | Natural Gas |
| Staples La Mirada, CA | SunE WF3-ST Holdings, LLC | La Mirada, CA | California Independent System Operator (CISO) | 871.0 MWh | Feb 2009 | Dec 2024 | Solar |
| Starbucks - Evolution Fresh | Bloom Energy | Rancho Cucamonga, CA | California Independent System Operator (CISO) | 5.7 GWh | May 2014 | Jun 2024 | Natural Gas |
| Stateline Solar | Southern Power Co | Nipton, CA | California Independent System Operator (CISO) | 619.9 GWh | Nov 2015 | Dec 2024 | Solar |
| Stenner Creek Solar | Stenner Creek Solar LLC | San Luis Obispo, CA | California Independent System Operator (CISO) | 9.5 GWh | Apr 2018 | Dec 2024 | Solar |
| Still Water Power | Still Water Power LLC | Hanford, CA | California Independent System Operator (CISO) | 674.0 MWh | Apr 2020 | Dec 2024 | Other Biomass Gas |
| Stockton Biomass | DTE Stockton LLC | Stockton, CA | California Independent System Operator (CISO) | 343.1 GWh | Nov 1987 | Dec 2024 | Wood/Wood Waste Solids : 99.5% |
| Stony Gorge | City of Santa Clara - (CA) | Elk Creek, CA | California Independent System Operator (CISO) | 15.6 GWh | Mar 1986 | Dec 2024 | Water |
| Strata Roof 1 | Strata Manager, LLC | Sacramento, CA | Balancing Authority of Northern California (BANC) | 1.5 GWh | Apr 2013 | Dec 2024 | Solar |
| Strauss Wind Farm | Strauss Wind LLC | Lompoc, CA | California Independent System Operator (CISO) | 231.7 GWh | Nov 2023 | May 2025 | Wind |
| Stroud Solar Station | Pacific Gas & Electric Co. | Helm, CA | California Independent System Operator (CISO) | 25.0 GWh | Aug 2011 | Oct 2024 | Solar |
| Summer North Solar | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 10.0 GWh | Nov 2014 | Dec 2024 | Solar |
| Summer Solar A2 | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 3.2 GWh | May 2014 | Dec 2024 | Solar |
| Summer Solar B2 | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 3.0 GWh | May 2014 | Dec 2024 | Solar |
| Summer Solar C2 | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 2.5 GWh | May 2014 | Dec 2024 | Solar |
| Summer Solar D2 | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 1.8 GWh | Jun 2014 | Dec 2024 | Solar |
| Summer Solar LLC | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 49.1 GWh | Jun 2016 | Dec 2024 | Solar |
| Summit Winds | Greenbacker Renewable Energy Corporation | Livermore, CA | California Independent System Operator (CISO) | 182.8 GWh | Jun 2021 | May 2025 | Wind |
| Sun City Project LLC | Avenal Solar Holdings LLC | Avenal, CA | California Independent System Operator (CISO) | 33.9 GWh | Jul 2011 | Dec 2024 | Solar |
| Sun Harvest Solar NDP1 | Altus Power America Management, LLC | Dos Palos, CA | California Independent System Operator (CISO) | 3.3 GWh | Apr 2015 | Dec 2024 | Solar |
| SunAnza | Arizona Electric Pwr Coop Inc | Anza, CA | California Independent System Operator (CISO) | 7.9 GWh | Aug 2017 | Dec 2024 | Solar |
| SunE- E Philadelphia Ontario | SunEdison LLC | Ontario, CA | California Independent System Operator (CISO) | 1.5 GWh | Feb 2016 | Dec 2024 | Solar |
| SunE Rochester | SunE Solar XVI Lessor, LLC | Rancho Cucamonga, CA | California Independent System Operator (CISO) | 991.0 MWh | Jul 2016 | Jul 2024 | Solar |
| SunEdison Anheuser Busch Fairfield | SunE M5 Holdings LLC | Fairfield, CA | California Independent System Operator (CISO) | 1.2 GWh | Nov 2008 | Dec 2024 | Solar |
| SunEdison Ironwood State Prison | SunE CPA CDC2 LLC | Blythe, CA | California Independent System Operator (CISO) | 996.0 MWh | Apr 2008 | Dec 2024 | Solar |
| SunEdison Procter & Gamble Oxnard | SunE U6 Holdings LLC | Oxnard, CA | California Independent System Operator (CISO) | 1.6 GWh | Sep 2009 | Dec 2024 | Solar |
| SunEdison Walgreens Moreno Valley | SunE WG113 Moreno Valley LLC | Moreno Valley, CA | California Independent System Operator (CISO) | 900.0 MWh | Aug 2007 | Dec 2024 | Solar |
| SunEdison Walmart Apple Valley DC | SunE M5 Holdings LLC | Apple Valley, CA | California Independent System Operator (CISO) | 716.0 MWh | Feb 2009 | Dec 2024 | Solar |
| Sunny Cow Solar, LLC | Sunny Cow Solar, LLC | Bakersfield, CA | California Independent System Operator (CISO) | 847.0 MWh | Sep 2023 | Dec 2023 | Solar |
| Sunnyvale City of WPCP | Sunnyvale City of WPCP | Sunnyvale, CA | California Independent System Operator (CISO) | 9.5 GWh | Oct 1997 | Dec 2024 | Natural Gas : 48.8% Other Biomass Gas : 28.3% Landfill Gas : 22.9% |
| Sunray 2 | Sunray Energy 2, LLC | Daggett, CA | California Independent System Operator (CISO) | 57.7 GWh | Nov 1984 | Dec 2024 | Solar |
| Sunray 3 | Sunray Energy 3 LLC | Daggett, CA | California Independent System Operator (CISO) | 37.1 GWh | Nov 1985 | Dec 2024 | Solar |
| Sunrise Power LLC | Sunrise Power Co LLC | Fellows, CA | California Independent System Operator (CISO) | 2.0 TWh | May 2001 | May 2025 | Natural Gas |
| Sunset Reservoir North Basin | Duke Energy Renewables Services | San Francisco, CA | California Independent System Operator (CISO) | 6.5 GWh | Aug 2010 | Dec 2024 | Solar |
| Sunshine Gas Producers | Sunshine Gas Producers LLC | Sylmar, CA | California Independent System Operator (CISO) | 126.7 GWh | Jul 2014 | May 2025 | Landfill Gas |
| Sutter Energy Center | Calpine Corp-Sutter | Yuba City, CA | Balancing Authority of Northern California (BANC) | 1.7 TWh | Jun 2001 | May 2025 | Natural Gas |
| Sutter Home Winery TCC | REC SHW, LLC | Paso Robles, CA | California Independent System Operator (CISO) | 1.1 GWh | Apr 2024 | Dec 2024 | Solar |
| Sutter Santa Rosa Solar | Sutter Santa Rosa Solar LLC | Santa Rosa, CA | California Independent System Operator (CISO) | 2.3 GWh | Aug 2019 | Dec 2024 | Solar |
Browse Power Plants By California Counties
Figures are based on May 2025 generation numbers.| County | State Rank | Active Plants | May 2025 Generation |
|---|---|---|---|
| Alameda County, CA | # 22 | 46 | 2.5 TWh |
| Amador County, CA | # 35 | 8 | 659.7 GWh |
| Butte County, CA | # 16 | 25 | 3.6 TWh |
| Calaveras County, CA | # 37 | 6 | 542.0 GWh |
| Colusa County, CA | # 19 | 3 | 2.9 TWh |
| Contra Costa County, CA | # 5 | 56 | 13.6 TWh |
| El Dorado County, CA | # 28 | 15 | 1.4 TWh |
| Fresno County, CA | # 8 | 109 | 7.9 TWh |
| Glenn County, CA | # 54 | 2 | 18.7 GWh |
| Humboldt County, CA | # 39 | 10 | 469.7 GWh |
| Imperial County, CA | # 7 | 84 | 9.7 TWh |
| Inyo County, CA | # 29 | 23 | 1.2 TWh |
| Kern County, CA | # 1 | 311 | 34.4 TWh |
| Kings County, CA | # 14 | 57 | 4.1 TWh |
| Lake County, CA | # 32 | 10 | 912.2 GWh |
| Lassen County, CA | # 41 | 9 | 341.0 GWh |
| Los Angeles County, CA | # 2 | 307 | 20.8 TWh |
| Madera County, CA | # 31 | 28 | 1.0 TWh |
| Marin County, CA | # 53 | 3 | 19.0 GWh |
| Mariposa County, CA | # 43 | 2 | 299.7 GWh |
| Mendocino County, CA | # 55 | 5 | 12.3 GWh |
| Merced County, CA | # 38 | 30 | 475.2 GWh |
| Mono County, CA | # 34 | 9 | 785.9 GWh |
| Monterey County, CA | # 15 | 29 | 3.7 TWh |
| Napa County, CA | # 51 | 9 | 49.2 GWh |
| Nevada County, CA | # 46 | 12 | 207.0 GWh |
| Orange County, CA | # 17 | 59 | 3.3 TWh |
| Placer County, CA | # 24 | 23 | 2.0 TWh |
| County | State Rank | Active Plants | May 2025 Generation |
|---|---|---|---|
| Plumas County, CA | # 25 | 13 | 2.0 TWh |
| Riverside County, CA | # 4 | 159 | 14.5 TWh |
| Sacramento County, CA | # 10 | 64 | 6.5 TWh |
| San Benito County, CA | # 40 | 6 | 346.0 GWh |
| San Bernardino County, CA | # 6 | 203 | 13.3 TWh |
| San Diego County, CA | # 12 | 150 | 5.1 TWh |
| San Francisco County, CA | # 48 | 10 | 84.6 GWh |
| San Joaquin County, CA | # 23 | 45 | 2.3 TWh |
| San Luis Obispo County, CA | # 3 | 22 | 20.7 TWh |
| San Mateo County, CA | # 47 | 10 | 133.3 GWh |
| Santa Barbara County, CA | # 42 | 18 | 334.0 GWh |
| Santa Clara County, CA | # 13 | 74 | 4.4 TWh |
| Santa Cruz County, CA | # 50 | 6 | 56.2 GWh |
| Shasta County, CA | # 9 | 46 | 7.4 TWh |
| Sierra County, CA | # 52 | 3 | 31.4 GWh |
| Siskiyou County, CA | # 44 | 8 | 242.5 GWh |
| Solano County, CA | # 18 | 40 | 3.1 TWh |
| Sonoma County, CA | # 11 | 26 | 5.3 TWh |
| Stanislaus County, CA | # 21 | 25 | 2.7 TWh |
| Sutter County, CA | # 26 | 8 | 1.9 TWh |
| Tehama County, CA | # 49 | 7 | 59.7 GWh |
| Trinity County, CA | # 36 | 5 | 560.5 GWh |
| Tulare County, CA | # 30 | 68 | 1.1 TWh |
| Tuolumne County, CA | # 20 | 23 | 2.8 TWh |
| Ventura County, CA | # 33 | 32 | 825.9 GWh |
| Yolo County, CA | # 45 | 15 | 222.2 GWh |
| Yuba County, CA | # 27 | 5 | 1.6 TWh |