California Independent System Operator

Balancing Authority Summary Information

California Independent System Operator is ranked #7 out of 65 balancing authorities in terms of total annual electricity generation.

Balancing AuthorityCalifornia Independent System Operator
States Arizona California Nevada
Last Update Nov 2025
Annual Generation 188.0 TWh
Power Plants2,075
Utilities965
Ranked #7 out of 65 in terms of net annual generation
Ranked #7 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 43.1% Solar | 26.4% Water | 11.1% Wind | 10.6% Nuclear | 9.4%

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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 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
9150 Hermosa Solar GMValta EnergyRancho Cucamonga, CA3 GWhNov 2022Dec 2024 Solar
85 BWind Wall 1 LLCTehachapi, CA98 GWhDec 1984Dec 2024 Wind
85 AWind Wall 1 LLCTehachapi, CA71 GWhDec 1984Dec 2024 Wind
2127 Harris Solar ProjectSolarenewal LLCLive Oak, CA1 GWhMar 2014Dec 2024 Solar
2097 Helton Solar ProjectSolarenewal LLCMerced, CA2 GWhMar 2014Dec 2024 Solar
2081 Terzian Solar ProjectSolarenewal LLCReedley, CA2 GWhJan 2014Dec 2024 Solar
Zonneveld Oak GroveRenewable Solar, IncLaton, CA3 GWhMay 2024Dec 2024 Solar
Zero Waste Energy Development Co LLCZero Waste Energy Development Company LLCSan Jose, CA2 GWhJan 2015Dec 2024 Other Biomass Gas
ZCOWind Stream Operations LLCTehachapi, CA1 GWhNov 1985Dec 2024 Wind
Yuba City Energy CenterCalpine Corp-Yuba CityYuba City, CA39 GWhJul 2002Dec 2024 Natural Gas
Yuba City Cogen PartnersWellhead Services, IncYuba City, CA23 GWhNov 1990Dec 2024 Natural Gas
Yolo County Solar ProjectYolo County ofWoodland, CA534 MWhNov 2010Dec 2023 Solar
Yahoo! - HQBloom EnergySunnyvale, CA3 GWhJun 2014Jul 2024 Natural Gas
Xilinx San JoseBloom EnergySan Jose, CA8 GWhJan 2012Dec 2024 Natural Gas
WWTP Power Generation StationEast Bay Municipal Util DistOakland, CA28 GWhJul 1985Sep 2025 Other Biomass Gas : 98.8% Distillate Fuel Oil : 1.2%
Wright Solar ParkWright Solar Park LLCLos Banos, CA411 GWhNov 2019Sep 2025 Solar
Woodmere Solar FarmAES Distributed EnergyEdison, CA24 GWhNov 2015Dec 2024 Solar
WoodleafSouth Feather Water and Power AgencyForbestown, CA194 GWhOct 1963Dec 2024 Water
Woodland Biomass Power LtdDTE Energy Services-WoodlandWoodland, CA171 GWhAug 1989Dec 2024 Wood/Wood Waste Solids : 99.5% Natural Gas : 0.5%
Wonderful Orchards - WestsideWonderful Renewable Energy, LLC.Lost Hills, CA13 GWhJul 2021Dec 2024 Solar
Wonderful Orchards - West ValleyWonderful Renewable Energy, LLC.Blackwells Corner, CA1 GWhSep 2020Dec 2024 Solar
Wonderful Orchards - New ColumbiaWonderful Renewable Energy, LLC.Firebaugh, CA10 GWhAug 2020Dec 2024 Solar
Wonderful Orchards - BelridgeWonderful Renewable Energy, LLC.Lost Hills, CA12 GWhNov 2020Dec 2024 Solar
Wonderful NurseryWonderful Renewable Energy, LLC.Wasco, CA5 GWhJun 2021Dec 2024 Solar
Wonderful Lost HillsWonderful Renewable Energy, LLC.Lost Hills, CA48 GWhAug 2021Dec 2024 Solar
Wonderful KingsWonderful Renewable Energy, LLC.Lost Hills, CA8 GWhJul 2022Dec 2024 Solar
Wonderful Huller & ShellingWonderful Renewable Energy, LLC.Lost Hills, CA3 GWhJul 2021Dec 2024 Solar
Wonderful FirebaughWonderful Renewable Energy, LLC.Firebaugh, CA10 GWhJul 2022Dec 2024 Solar
Wolfskill Energy CenterGilroy Energy Center LLCFairfield, CA7 GWhDec 2002Dec 2024 Natural Gas
Wistaria Ranch SolarConsolidated Edison Development Inc.Calexico, CA289 GWhNov 2018Sep 2025 Solar
WisePacific Gas & Electric Co.Auburn, CA31 GWhFeb 1917Oct 2024 Water
Windstar 1Nextera Energy ResourcesTehachapi, CA263 GWhJan 2012Dec 2024 Wind
Windsor Floating SolarCA ODEVI LLCWindsor, CA2 GWhOct 2020Dec 2024 Solar
Windhub Solar A LLCEDP Renewables North America LLCMojave, CA47 GWhNov 2019Dec 2024 Solar
Willow Spring Solar, LLCWillow Spring Solar LLCRosamond, CA256 GWhDec 2018Sep 2025 Solar
Wildwood Solar IIDuke Energy Renewables ServicesWasco, CA39 GWhDec 2016Dec 2024 Solar
Wildwood Solar I, LLCDuke Energy Renewables ServicesWasco, CA42 GWhJan 2015Dec 2024 Solar
Whitney Point SolarWhitney Point Solar, LLCFive Points, CA44 GWhFeb 2017Dec 2024 Solar
Whitewater Hydro PlantDesert Water AgencyCalifornia, CA5 GWhMar 1986Nov 2024 Water
Whitewater Hill Wind PartnersShell Wind Energy Inc.North Palm Springs, CA128 GWhSep 2002Dec 2024 Wind
Whitethorn Solar LLCWhitethorn Solar LLCLivermore, CA4 GWhJan 2016Dec 2024 Solar
White Wing SolarLeeward Asset Management, LLCYuma, AZ467 GWhSep 2024Sep 2025 Solar
White River Solar 2Consolidated Edison Development Inc.Alpaugh, CA48 GWhAug 2014Dec 2024 Solar
White River SolarConsolidated Edison Development Inc.Alpaugh, CA44 GWhJun 2013Dec 2024 Solar
Wheeler Ridge 2Madison Energy Investments LLCArvin, CA913 MWhOct 2023Dec 2024 Solar
Wheeler RidgeAFTW Holdings, LLCBakersfield, CA12 GWhAug 2023Dec 2024 Solar
Wheelabrator ShastaShasta Sustainable Resource Management, Inc.Anderson, CA284 GWhSep 1987Sep 2025 Wood/Wood Waste Solids
Weymouth Solar PlantMetropolitan Water District of S CALa Verne, CA5 GWhMay 2016Dec 2024 Solar
Westside Solar StationPacific Gas & Electric Co.Five Points, CA14 GWhJul 2011Dec 2024 Solar
Westside Solar Power PV1Westside Assets LLCLemoore, CA5 GWhApr 2016Dec 2024 Solar
Westlands Solar PV FarmBoralex US Operations LLCHuron, CA34 GWhJan 2014Dec 2024 Solar
Western Power & Steam IncWestern Power and Steam II LLCBakersfield, CA25 GWhFeb 1990Sep 2025 Natural Gas
Western Antelope Dry RanchAES Distributed EnergyLancaster, CA22 GWhNov 2016Dec 2024 Solar
Western Antelope Blue Sky Ranch AAES Distributed EnergyLancaster, CA45 GWhOct 2014Dec 2024 Solar
Western Antelope Blue Sky BAES Distributed EnergyLancaster, CA50 GWhNov 2016Dec 2024 Solar
West Village Solar - Array 2 Community SCHF-Davis I, LLCDavis, CA2 GWhApr 2022Dec 2023 Solar
West Village Solar - Array 1Community SoCHF-Davis I, LLCDavis, CA2 GWhApr 2022Dec 2023 Solar
West Valley High School SolarAES Distributed EnergyHemet, CA1 GWhAug 2012Dec 2024 Solar
West Tambo Clean Power IIWest Tambo Clean Power IILivingston, CA877 MWhOct 2024Dec 2024 Solar
West Point PHPacific Gas & Electric Co.Pioneer, CA89 GWhOct 1948Jun 2024 Water
West Gates Solar StationPacific Gas & Electric Co.Huron, CA19 GWhApr 2013Dec 2024 Solar
Welport Lease ProjectSentinel Peak Resources California, LLCMcKittrick, CA35 GWhFeb 1990Dec 2024 Natural Gas
Wellhead Power PanocheWellhead Services, IncFirebaugh, CA3 GWhJul 1973Dec 2024 Natural Gas
Watts 3115CD US Solar MT 2 LLCAdelanto, CA4 GWhJul 2013Dec 2024 Solar
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Sep 2025 Natural Gas : 82.0% Other Gas : 17.3% Waste/Other Oil : 0.7%
Watkins Manufacturing Co.Watkins Manufacturing CorporationSan Diego, CA7 GWhOct 2001Sep 2025 Natural Gas
Waste Mangement Redwood LFGTEWM Renewable Energy LLCNovato, CA13 GWhApr 2017Dec 2024 Landfill Gas
Walnut Unified School District Walnut HSTesla Inc.Walnut, CA809 MWhJan 2020Dec 2024 Solar
Walnut Creek Energy ParkWalnut Creek LLCIndustry, CA63 GWhMar 2013Sep 2025 Natural Gas
Walgreens Woodland Distribution CenterSunE WG45 Woodland LLCWoodland, CA908 MWhJul 2007Dec 2024 Solar
Wagner Wind LLCGreenbacker Renewable Energy CorporationPalm Springs, CA16 GWhNov 2012Dec 2024 Wind
Wadham Energy LPWadham Energy Ltd PartnersWilliams, CA132 GWhFeb 1989Dec 2024 Agricultural By-Products : 99.7%
W PlantQualcomm IncorporatedSan Diego, CA28 GWhJun 2005Sep 2025 Natural Gas
W E WarneCalifornia Dept. of Water ResourcesGorman, CA171 GWhOct 1982Dec 2024 Water
Vulcan San Emidio SolarRenew Solar VMC LLCBakersfield, CA4 GWhFeb 2023Dec 2024 Solar
Voyager Wind IVTerra-Gen Operating Co-WindMojave, CA81 GWhNov 2018Dec 2024 Wind
Voyager Wind IIITerra-Gen Operating Co-WindMojave, CA141 GWhNov 2018Sep 2025 Wind
Voyager Wind IITerra-Gen Operating Co-WindMojave, CA506 GWhNov 2018Sep 2025 Wind
Voyager Wind ITerra-Gen Operating Co-WindMojave, CA413 GWhNov 2019Sep 2025 Wind
Volta 2Pacific Gas & Electric Co.Manton, CA3 GWhOct 1981Dec 2024 Water
Visalia CSG LLCDimension Energy LLCTulare, CA6 GWhFeb 2024Dec 2024 Solar
Vintner SolarEcos Energy LLCTempleton, CA4 GWhMar 2014Dec 2024 Solar
VinamCD US Solar MT 2 LLCLancaster, CA3 GWhJun 2013Dec 2024 Solar
Victory PassVictory Pass I, LLCDesert Center, CA610 GWhFeb 2024Sep 2025 Solar
Victory Garden (Tehachapi)Wind Stream Operations LLCTehachapi, CA33 GWhNov 1981Dec 2024 Wind
Victor Mesa Linda E2AES Distributed EnergyVictorville, CA4 GWhOct 2014Dec 2024 Solar
Victor Mesa Linda D2AES Distributed EnergyVictorville, CA4 GWhOct 2014Dec 2024 Solar
Victor Mesa Linda C2AES Distributed EnergyVictorville, CA4 GWhOct 2014Dec 2024 Solar
Victor Mesa Linda B2AES Distributed EnergyVictorville, CA4 GWhOct 2014Dec 2024 Solar
Victor Dry Farm Ranch BAES Distributed EnergyVictorville, CA10 GWhMay 2015Dec 2024 Solar
Victor Dry Farm Ranch AAES Distributed EnergyVictorville, CA10 GWhMay 2015Dec 2024 Solar
Verwey-Hanford Dairy Digester #3Hanford Renewable Energy LLCHanford, CA5 GWhJun 2019Dec 2024 Other Biomass Gas
Verwey-Hanford Dairy Digester #2Hanford Renewable Energy LLCHanford, CA6 GWhJun 2019Dec 2024 Other Biomass Gas
Verwey-Hanford Dairy Digester #1AlsoEnergyHanford, CA902 MWhSep 2016Dec 2024 Other Biomass Gas
Ventura SolarVentura Solar LLCFillmore, CA6 GWhAug 2021Dec 2024 Solar
Venable Solar 2Venable Solar, LLCBlythe, CA3 GWhMar 2015Dec 2024 Solar
Venable Solar 1Venable Solar, LLCBlythe, CA3 GWhMar 2015Dec 2024 Solar
Vega SolarVega Solar, LLCLos Banos, CA51 GWhFeb 2015Dec 2024 Solar
Vasco WindsVasco Winds, LLCLivermore, CA223 GWhNov 2011Dec 2024 Wind
Vandenberg Solar ProjectMN8 Energy LLCVandenberg Airforce B, CA40 GWhNov 2017Dec 2024 Solar

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#4Electric Reliability Council of Texas, Inc.485.0 TWh1,313
#5Southwest Power Pool299.9 TWh835
#6Southern Company Services, Inc. - Trans250.9 TWh417
#7California Independent System Operator188.0 TWh2,075
#9Tennessee Valley Authority161.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England105.5 TWh1,577
#16Bonneville Power Administration80.5 TWh163