California Independent System Operator

Balancing Authority Summary Information

California Independent System Operator is ranked #7 out of 64 balancing authorities in terms of total annual electricity generation.

Balancing AuthorityCalifornia Independent System Operator
States Arizona California Nevada New Mexico
Last Update Jul 2026
Annual Generation 169.4 TWh
Power Plants2,135
Utilities988
Ranked #7 out of 64 in terms of net annual generation
Ranked #12 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 34% Solar | 30% Water | 12.4% Wind | 11.3% Nuclear | 11%

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Daily Net Generation for California Independent System Operator for the past 3 Years

List of All California Independent System Operator Power Plants

Displaying Results 1 to 100 of 1,391
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Eagle CreekZGlobal IncTaft, CA8 GWhNov 2019Dec 2025 Solar
Merced 1 PVZGlobal IncLos Banos, CA6 GWhMar 2018Dec 2025 Solar
Madera 1 PVZGlobal IncMadera, CA3 GWhNov 2017Dec 2025 Solar
Zero Waste Energy Development Co LLCZero Waste Energy Development Company LLCSan Jose, CA2 GWhJan 2015Dec 2024 Other Biomass Gas
San Manuel Central Plant CogensYuhaaviatam of San Manuel NationHighland, CA18 GWhMay 2021Dec 2025 Natural Gas
Narrows PHYuba County Water Agency - (CA)Grass Valley, CA73 GWhNov 1942Dec 2025 Water
ColgateYuba County Water Agency - (CA)Dobbins, CA1 TWhSep 1969Oct 2025 Water
Narrows 2Yuba County Water Agency - (CA)Browns Valley, CA181 GWhNov 1969Dec 2025 Water
Indian Valley Dam Hydro ProjectYolo County Flood Control WCDClearlake Oaks, CA11 GWhSep 1983Aug 2025 Water
MM Yolo PowerYolo County Community Services DepartmentWoodland, CA16 GWhSep 1990Dec 2025 Landfill Gas
SC 1 Data Center, Phase 2Xeres Ventures LLCSanta Clara, CA392 MWhAug 2011May 2026 Distillate Fuel Oil
Wright Solar ParkWright Solar Park LLCLos Banos, CA392 GWhNov 2019May 2026 Solar
Wonderful Huller & ShellingWonderful Renewable Energy, LLC.Lost Hills, CA4 GWhJul 2021Dec 2025 Solar
Wonderful NurseryWonderful Renewable Energy, LLC.Wasco, CA5 GWhJun 2021Dec 2025 Solar
POM Plant 1Wonderful Renewable Energy, LLC.Del Rey, CA5 GWhNov 2021Dec 2025 Solar
POM Plant 2Wonderful Renewable Energy, LLC.Del Rey, CA3 GWhNov 2021Dec 2025 Solar
Wonderful FirebaughWonderful Renewable Energy, LLC.Firebaugh, CA10 GWhJul 2022Dec 2025 Solar
POM Beverage SolarWonderful Renewable Energy, LLC.Del Rey, CA4 GWhJun 2021Dec 2025 Solar
POM Juice SolarWonderful Renewable Energy, LLC.Fresno, CA4 GWhJun 2021Dec 2025 Solar
Wonderful KingsWonderful Renewable Energy, LLC.Lost Hills, CA8 GWhJul 2022Dec 2025 Solar
Wonderful Lost HillsWonderful Renewable Energy, LLC.Lost Hills, CA41 GWhAug 2021Dec 2025 Solar
Wonderful Orchards - West ValleyWonderful Renewable Energy, LLC.Blackwells Corner, CA8 GWhSep 2020Dec 2025 Solar
Wonderful Orchards - New ColumbiaWonderful Renewable Energy, LLC.Firebaugh, CA11 GWhAug 2020Dec 2025 Solar
Wonderful Orchards - WestsideWonderful Renewable Energy, LLC.Lost Hills, CA13 GWhJul 2021Dec 2025 Solar
Wonderful Orchards - BelridgeWonderful Renewable Energy, LLC.Lost Hills, CA12 GWhNov 2020Dec 2025 Solar
Altamont Gas RecoveryWM Renewable Energy LLCLivermore, CA39 GWhFeb 1969Dec 2025 Landfill Gas
Waste Mangement Redwood LFGTEWM Renewable Energy LLCNovato, CA22 GWhApr 2017Dec 2025 Landfill Gas
85 BWind Wall 1 LLCTehachapi, CA93 GWhDec 1984Dec 2025 Wind
85 AWind Wall 1 LLCTehachapi, CA71 GWhDec 1984Dec 2025 Wind
ZCOWind Stream Operations LLCTehachapi, CA1 GWhNov 1985Dec 2024 Wind
Helzel & Schwarzhoff 86Wind Stream Operations LLCTehachapi, CA3 GWhNov 1986Dec 2024 Wind
Victory Garden (Tehachapi)Wind Stream Operations LLCTehachapi, CA33 GWhNov 1981Dec 2024 Wind
Willow Spring Solar, LLCWillow Spring Solar LLCRosamond, CA219 GWhDec 2018May 2026 Solar
Whitney Point SolarWhitney Point Solar, LLCFive Points, CA54 GWhFeb 2017Dec 2025 Solar
Whitethorn Solar LLCWhitethorn Solar LLCLivermore, CA5 GWhJan 2016Dec 2025 Solar
NextEra Westside PVWestside Solar, LLCFive Points, CA26 GWhFeb 2017Dec 2025 Solar
Westside Solar Power PV1Westside Assets LLCLemoore, CA5 GWhApr 2016Dec 2024 Solar
Solar BlueWestlands Solar BlueLemoore, CA645 GWhNov 2023May 2026 Solar
AlmondWestlands Almond LLCLemoore, CA49 GWhAug 2023Dec 2025 Solar
Western Power & Steam IncWestern Power and Steam II LLCBakersfield, CA18 GWhFeb 1990May 2026 Natural Gas
Sutter Home Winery GIRWestbound Solar 3, LLCAmerican Canyon, CA2 GWhJul 2023Dec 2025 Solar
West Tambo Clean Power IIWest Tambo Clean Power IILivingston, CA4 GWhOct 2024Dec 2025 Solar
Stanton Energy Reliability Center HybridWellhead Services, IncStanton, CA4 GWhJun 2020May 2026 Natural Gas
El Cajon Energy CenterWellhead Services, IncEl Cajon, CA20 GWhMay 2010Dec 2025 Natural Gas
Fresno SolarWellhead Services, IncSan Joaquin, CA5 GWhSep 2015Aug 2025 Solar
Escondido Energy CenterWellhead Services, IncEscondido, CA3 GWhDec 2013Dec 2025 Natural Gas
Chula Vista Energy CenterWellhead Services, IncChula Vista, CA373 MWhApr 2001Dec 2025 Natural Gas
Delano Energy CenterWellhead Services, IncDelano, CA2 GWhDec 2012Dec 2025 Natural Gas
Wellhead Power PanocheWellhead Services, IncFirebaugh, CA7 GWhJul 1973Dec 2025 Natural Gas
Yuba City Cogen PartnersWellhead Services, IncYuba City, CA15 GWhNov 1990Dec 2025 Natural Gas
Fresno Cogen PartnersWellhead Services, IncSan Joaquin, CA840 MWhDec 1989Dec 2025 Natural Gas
McKittrick LimitedWCAC Operating CompanyBakersfield, CA4 GWhSep 1991Mar 2026 Natural Gas
Kern Front LimitedWCAC Operating CompanyBakersfield, CA5 GWhJan 1989Dec 2025 Natural Gas
High Sierra LimitedWCAC Operating CompanyBakersfield, CA6 GWhFeb 1989Dec 2025 Natural Gas
Bear Mountain LimitedWCAC Operating CompanyBakersfield, CA36 GWhMar 1995Mar 2026 Natural Gas
Double C Generation Limited PartnershipWCAC Operating CompanyBakersfield, CA6 GWhFeb 1989Dec 2025 Natural Gas
Live Oak LimitedWCAC Operating CompanyBakersfield, CA20 GWhFeb 1992Mar 2026 Natural Gas
Chalk Cliff LimitedWCAC Operating CompanyBakersfield, CA3 GWhFeb 1990May 2026 Natural Gas
Badger Creek LimitedWCAC Operating CompanyBakersfield, CA5 GWhMar 1991Mar 2026 Natural Gas
Watkins Manufacturing Co.Watkins Manufacturing CorporationSan Diego, CA8 GWhOct 2001May 2026 Natural Gas
Walnut Creek Energy ParkWalnut Creek LLCIndustry, CA38 GWhMar 2013May 2026 Natural Gas
Wadham EnergyWadham Energy LPWilliams, CA145 GWhFeb 1989Dec 2025 Agricultural By-Products : 99.7%
Shelter Creek Condominiums SolarVista Solar, Inc.San Bruno, CA4 GWhJan 2020Dec 2024 Solar
Bio-RadVista Solar, Inc.Hercules, CA3 GWhSep 2021Dec 2025 Solar
Victory PassVictory Pass I, LLCDesert Center, CA569 GWhFeb 2024May 2026 Solar
Ventura SolarVentura Solar LLCFillmore, CA6 GWhAug 2021Dec 2025 Solar
Vega SolarVega Solar, LLCLos Banos, CA49 GWhFeb 2015Dec 2025 Solar
Vasco WindsVasco Winds, LLCLivermore, CA234 GWhNov 2011Oct 2025 Wind
9150 Hermosa Solar GMValta EnergyRancho Cucamonga, CA3 GWhNov 2022Dec 2024 Solar
Valero Refinery Cogeneration Unit 1Valero Refining Co CaliforniaBenicia, CA237 GWhSep 2002Feb 2026 Natural Gas : 85.2% Other Gas : 14.8%
AngelsUtica Water & Power AuthorityAngels Camp, CA6 GWhDec 1939Dec 2025 Water
MurphysUtica Water & Power AuthorityMurphys, CA15 GWhFeb 1954Dec 2025 Water
Univ of San Francisco CogenUniversity of San FranciscoSan Francisco, CA5 GWhAug 1987Dec 2024 Natural Gas
Energy CenterUniversity of RedlandsRedlands, CA4 GWhJan 2007Dec 2025 Natural Gas
Parnassus Central Utility PlantUniversity of California-San FranciscoSan Francisco, CA67 GWhDec 1995May 2026 Natural Gas
University of California Santa CruzUniversity of California Santa CruzSanta Cruz, CA34 GWhAug 2013Dec 2025 Natural Gas : 91.4% Solar : 8.6%
University of California San Diego HybriUniversity of California San DiegoLa Jolla, CA232 GWhJun 2001May 2026 Natural Gas
Univ of California San Diego SolarUniversity of California San DiegoLa Jolla, CA4 GWhNov 2008Dec 2025 Solar
UCI Facilities Management Central PlantUniversity of California IrvineIrvine, CA114 GWhJun 2007May 2026 Natural Gas
US BoraxU S Borax IncBoron, CA255 GWhJun 1984May 2026 Natural Gas
Frankenheimer Power PlantTurlock Irrigation DistrictOakdale, CA11 GWhFeb 1983Dec 2025 Water
LucianaTulare Solar Center, LLCRichgrove, CA137 GWhMar 2022May 2026 Solar
Trona Solar IIITrona Solar III LLCTrona, CA5 GWhMar 2023Dec 2025 Solar
Sand Bar Power PlantTri-Dam Power AuthorityStanislaus Ntl. Fores, CA83 GWhApr 1986Dec 2025 Water
Transamerica PyramidTransamerica Pyramid Properties LLCSan Francisco, CA4 MWhJun 2007Dec 2025 Natural Gas
Tranquillity IDTranquillity Solar 1, LLCTranquillity, CA2 GWhFeb 2018Dec 2025 Solar
Thermo Fisher PleasantonTotalEnergies Renewables USA LLCPleasanton, CA1 GWhJun 2025Dec 2025 Solar
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA73 GWhAug 1983May 2026 Other Gas : 61.0% Waste Heat : 39.0%
Cold Canyon 1Toro Energy of California SLOSan Luis Obispo, CA11 GWhJun 2013Dec 2025 Landfill Gas
Topaz Solar FarmTopaz Solar Farms LLCSanta Margarita, CA967 GWhMar 2013May 2026 Solar
Titan Solar 1 (CA)Titan Solar 1, LLCBorrego Springs, CA131 GWhNov 2020May 2026 Solar
THUMSTHUMS Long Beach CompanyLong Beach, CA158 GWhDec 2002May 2026 Natural Gas
Berrenda Mesa Water DistrictThe Greater Light USA LLCLost Hills, CA15 GWhJun 2023Nov 2025 Solar
University of the PacificThe Greater Light USA LLCStockton, CA6 GWhApr 2022Dec 2024 Solar
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA596 GWhJan 1987May 2026 Natural Gas
Las Virgenes Municipal Water DistrictTesla Inc.Calabasas, CA1 GWhJan 2014Dec 2025 Solar
Monterey Regional Water Pollution ControTesla Inc.Marina, CA1 GWhNov 2010Dec 2025 Solar
Division 1Tesla Inc.Lancaster, CA2 GWhMay 2014Dec 2025 Solar
Division 2Tesla Inc.Lancaster, CA2 GWhMay 2014Dec 2025 Solar
Division 3Tesla Inc.Lancaster, CA1 GWhMay 2014Dec 2025 Solar

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.494.1 TWh1,471
#5Southwest Power Pool306.8 TWh856
#6Southern Company Services, Inc. - Trans253.5 TWh422
#7California Independent System Operator169.4 TWh2,135
#9Tennessee Valley Authority163.4 TWh207
#10Florida Power & Light Co.152.2 TWh187
#12New York Independent System Operator134.3 TWh1,299
#13Duke Energy Carolinas112.6 TWh577
#15ISO New England111.1 TWh1,629
#16Bonneville Power Administration91.6 TWh167