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 201 to 300 of 1,391
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Helzel & Schwarzhoff 86Wind Stream Operations LLCTehachapi, CA3 GWhNov 1986Dec 2024 Wind
TPC Windfarms LLCTerra-Gen Operating Co-WindMojave, CA42 GWhNov 1986Dec 2025 Wind
Berry Cogen Tanne Hills 18Berry Petroleum CoMaricopa, CA139 GWhNov 1986May 2026 Natural Gas
Roaring Creek Water PowerShasta Hydroelectric IncMontgomery Creek, CA6 GWhNov 1986Dec 2025 Water
Hatchet Creek ProjectMega RenewablesMontgomery Creek, CA22 GWhNov 1986Dec 2025 Water
Sierra Pacific Quincy FacilitySierra Pacific IndustriesQuincy, CA202 GWhNov 1986Dec 2025 Wood/Wood Waste Solids
Berry CogenBerry Petroleum CoTaft, CA9 GWhNov 1986May 2026 Natural Gas
H. GonzalesCity of Vernon - (CA)Vernon, CA29 MWhDec 1986Dec 2025 Natural Gas
Montgomery Creek HydroCentral Rivers Power US, LLCMontgomery Creek, CA9 GWhDec 1986Dec 2025 Water
Difwind Farms Ltd VITerra-Gen Operating Co-WindMojave, CA13 GWhDec 1986Dec 2025 Wind
Big Creek Water WorksBig Creek Water Works LtdHyampom, CA6 GWhDec 1986May 2026 Water
East Portal GeneratorCalleguas Mun Water DistrictChatsworth, CA5 GWhDec 1986Dec 2025 Water
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA596 GWhJan 1987May 2026 Natural Gas
Bidwell Ditch ProjectMega RenewablesHat Creek, CA11 GWhFeb 1987Dec 2024 Water
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA24 GWhMar 1987May 2026 Natural Gas
Lake MendocinoCity of Ukiah - (CA)Ukiah, CA12 GWhApr 1987Dec 2025 Water
PE BerkeleyBerkeley Cogeneration FacilityBerkeley, CA147 GWhMay 1987May 2026 Natural Gas
Moccasin Low Head Hydro ProjectCity & County of San Francisco - (CA)Moccasin, CA3 GWhJun 1987Dec 2025 Water
Thermalito Diverson DamCalifornia Dept. of Water ResourcesOroville, CA10 GWhJun 1987Dec 2025 Water
Coso Finance PartnersCoso Operating Co LLCInyokern, CA364 GWhJun 1987May 2026 Geothermal
Nacimiento Hydro ProjectMonterey Cnty Water Res AgencyBradley, CA12 GWhJun 1987Dec 2025 Water
Univ of San Francisco CogenUniversity of San FranciscoSan Francisco, CA5 GWhAug 1987Dec 2024 Natural Gas
Gilroy Power PlantCalpine Gilroy Cogen LPGilroy, CA21 GWhSep 1987Dec 2025 Natural Gas
Wheelabrator ShastaShasta Sustainable Resource Management, Inc.Anderson, CA290 GWhSep 1987May 2026 Wood/Wood Waste Solids
J S EastwoodSouthern California Edison CoShaver Lake, CA131 GWhNov 1987May 2026 Water
Stockton BiomassDTE Stockton LLCStockton, CA355 GWhNov 1987Dec 2025 Wood/Wood Waste Solids : 99.6%
San Gabriel Hydro ProjectLos Angeles County-San GabrielAzusa, CA2 GWhNov 1987Apr 2025 Water
CamChino Leasing LLCCamChino Leasing LLCChino, CA7 GWhNov 1987Dec 2024 Natural Gas
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987May 2026 Natural Gas : 76.2% Other Gas : 23.1% Waste/Other Oil : 0.7%
Sycamore CogenerationSycamore Cogeneration CoBakersfield, CA148 GWhNov 1987May 2026 Natural Gas
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987May 2026 Natural Gas : 99.8%
AltaGas Ripon Energy Inc.AltaGas Ripon Energy Inc.Ripon, CA1 GWhMar 1988Apr 2026 Natural Gas
Kern River Eastridge CogenChevron USA IncBakersfield, CA217 GWhMay 1988May 2026 Natural Gas
Coalinga Cogeneration FacilityAera Energy LLC-CoalingaCoalinga, CA42 GWhMay 1988Dec 2025 Natural Gas
Dixie ValleyOrmat Nevada IncFallon, NV463 GWhMay 1988May 2026 Geothermal
Dome ProjectSentinel Peak Resources California, LLCFellows, CA48 GWhJul 1988Dec 2025 Natural Gas
Monterey One WaterMonterey One WaterMarina, CA8 GWhJul 1988Dec 2025 Other Biomass Gas : 78.5% Natural Gas : 21.5%
Black ButteCity of Santa Clara - (CA)Orland, CA9 GWhAug 1988Dec 2025 Water
Covanta Stanislaus EnergyCovanta Stanislaus IncCrows Landing, CA62 GWhAug 1988Dec 2024 Non-biogenic Municipal Solid Waste : 50.0% Biogenic Municipal Solid Waste : 40.9% Distillate Fuel Oil : 9.1%
Cymric 31X CogenChevron USA IncMcKittrick, CA17 GWhSep 1988Dec 2025 Natural Gas
Coso Energy DevelopersCoso Operating Co LLCInyokern, CA235 GWhNov 1988Dec 2025 Geothermal
Harbor CogenHarbor Cogeneration Co.Wilmington, CA9 GWhNov 1988Nov 2025 Natural Gas
HaypressEIF Haypress LLCSierra City, CA17 GWhNov 1988Jun 2025 Water
Muck Valley HydroelectricMalacha Hydro Limited PartnershipNA, CA90 GWhNov 1988Dec 2025 Water
Kern Front LimitedWCAC Operating CompanyBakersfield, CA5 GWhJan 1989Dec 2025 Natural Gas
Southeast Kern River CogenChevron USA IncBakersfield, CA31 GWhJan 1989May 2026 Natural Gas
King City Power PlantCalpine King City Cogen LLCKing City, CA27 GWhJan 1989May 2026 Natural Gas
Greenleaf 1Calpine Greenleaf Holding, Inc.Yuba City, CA3 GWhJan 1989Dec 2025 Natural Gas
Wadham EnergyWadham Energy LPWilliams, CA145 GWhFeb 1989Dec 2025 Agricultural By-Products : 99.7%
Double C Generation Limited PartnershipWCAC Operating CompanyBakersfield, CA6 GWhFeb 1989Dec 2025 Natural Gas
High Sierra LimitedWCAC Operating CompanyBakersfield, CA6 GWhFeb 1989Dec 2025 Natural Gas
New Hogan Power PlantModesto Irrigation DistrictValley Springs, CA6 GWhMar 1989Dec 2025 Water
Rio Bravo Hydro ProjectOlcese Water DistrictBakersfield, CA27 GWhApr 1989Nov 2025 Water
Midway Sunset CogenMidway-Sunset Cogeneration CoFellows, CA6 GWhApr 1989Apr 2026 Natural Gas
Aidlin Geothermal Power PlantGeysers Power Co LLCMiddletown, CA82 GWhApr 1989Dec 2025 Geothermal
Rio Bravo RocklinRio Bravo RocklinLincoln, CA147 GWhMay 1989Dec 2025 Wood/Wood Waste Solids : 99.0% Natural Gas : 1.0%
Solano County Cogen PlantSolano County - (CA)Fairfield, CA8 GWhMay 1989Dec 2025 Natural Gas
HL PowerHL Power CompanyWendel, CA196 GWhJun 1989Dec 2025 Wood/Wood Waste Solids : 99.4% Natural Gas : 0.6%
Aera San Ardo Cogen FacilityAera Energy LLC-San ArdoSan Ardo, CA20 GWhJun 1989Dec 2025 Natural Gas
Woodland Biomass Power LtdDTE Energy Services-WoodlandWoodland, CA162 GWhAug 1989Dec 2025 Wood/Wood Waste Solids : 99.5%
Nelson CreekNelson Creek Power IncBig Bend, CA3 GWhSep 1989Dec 2025 Water
Burney Forest ProductsBurney Forest Products, A Joint VentureBurney, CA103 GWhSep 1989Dec 2025 Wood/Wood Waste Solids : 69.9% Natural Gas : 30.1%
Greenleaf 2 Power PlantGreenleaf Energy LLCYuba City, CA64 GWhSep 1989May 2026 Natural Gas
Coso Power DevelopersCoso Operating Co LLCInyokern, CA316 GWhOct 1989May 2026 Geothermal
Spicer Meadow ProjectNorthern California Power AgnyMurphys, CA14 GWhOct 1989Dec 2025 Water
Collierville PowerhouseNorthern California Power AgnyMurphys, CA396 GWhOct 1989May 2026 Water
Carson CogenerationCarson Cogeneration CoCarson, CA3 GWhNov 1989Sep 2025 Natural Gas
Lost Creek ISnow Mountain Hydro LLCBurney, CA6 GWhNov 1989Dec 2025 Water
Tulare Success Power ProjectLower Tule River Irrgtn DistPorterville, CA1 GWhNov 1989Aug 2025 Water
Mojave 16/17/18Terra-Gen Operating Co-WindMojave, CA66 GWhNov 1989Dec 2025 Wind
Lockhart Solar PV, LLCTerra-Gen Operating Co-SolarHinkley, CA241 GWhNov 1989May 2026 Solar
OlsenOlsen Power PartnersWhitmore, CA15 GWhDec 1989Dec 2025 Water
Bear Creek (CA)Central Rivers Power US, LLCShingletown, CA7 GWhDec 1989Dec 2025 Water
Fresno Cogen PartnersWellhead Services, IncSan Joaquin, CA840 MWhDec 1989Dec 2025 Natural Gas
EDF Renewable Windfarm V IncEDF Renewable Asset Holdings, Inc.Birds Landing, CA23 GWhDec 1989Dec 2025 Wind
Oroville Cogeneration, LLCApex Power Generation Corp.Oroville, CA116 MWhDec 1989Dec 2025 Natural Gas
Cove HydroelectricSnow Mountain Hydro LLCBurney, CA17 GWhJan 1990Dec 2025 Water
Terminus Hydroelectric ProjectEagle Creek Renewable Energy, LLCLemon Cove, CA33 GWhFeb 1990Dec 2025 Water
Western Power & Steam IncWestern Power and Steam II LLCBakersfield, CA18 GWhFeb 1990May 2026 Natural Gas
Welport Lease ProjectSentinel Peak Resources California, LLCMcKittrick, CA34 GWhFeb 1990Dec 2025 Natural Gas
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA4 GWhFeb 1990May 2026 Natural Gas
Chalk Cliff LimitedWCAC Operating CompanyBakersfield, CA3 GWhFeb 1990May 2026 Natural Gas
Burney CreekSnow Mountain Hydro LLCBurney, CA9 GWhFeb 1990Dec 2025 Water
Ponderosa Bailey CreekSnow Mountain Hydro LLCManton, CA4 GWhFeb 1990Dec 2025 Water
Biola University HybridBiola UniversityLa Mirada, CA14 GWhMar 1990May 2026 Natural Gas
E F Oxnard Energy FacilityEF Oxnard, LLCOxnard, CA8 GWhMay 1990May 2026 Natural Gas
MM Yolo PowerYolo County Community Services DepartmentWoodland, CA16 GWhSep 1990Dec 2025 Landfill Gas
Agnews Power PlantOLS Energy-Agnews Inc.San Jose, CA9 GWhOct 1990Dec 2025 Natural Gas
Isabella Hydro ProjectIsabella PartnersLake Isabella, CA32 GWhNov 1990Dec 2025 Water
Mammoth G3Ormat Nevada IncMammoth Lakes, CA75 GWhNov 1990Dec 2025 Geothermal
Mammoth G2Ormat Nevada IncMammoth Lakes, CA84 GWhNov 1990Dec 2025 Geothermal
Mojave 3/4/5Terra-Gen Operating Co-WindMojave, CA125 GWhNov 1990Dec 2025 Wind
Kingsburg CogenKES Kingsburg LPKingsburg, CA8 GWhNov 1990Sep 2025 Natural Gas
Yuba City Cogen PartnersWellhead Services, IncYuba City, CA15 GWhNov 1990Dec 2025 Natural Gas
City of Tulare Water FacilityCity of Tulare Water Pollution Control - (CA)Tulare, CA16 GWhDec 1990Dec 2025 Natural Gas : 61.0% Other Biomass Gas : 20.1% Solar : 19.0%
Sky River Wind Energy CenterSky River Wind LLCTehachapi, CA211 GWhJan 1991Dec 2025 Wind
Badger Creek LimitedWCAC Operating CompanyBakersfield, CA5 GWhMar 1991Mar 2026 Natural Gas
McKittrick LimitedWCAC Operating CompanyBakersfield, CA4 GWhSep 1991Mar 2026 Natural Gas
Salinas River CogenerationSalinas River Cogeneration CoSan Ardo, CA255 GWhOct 1991May 2026 Natural Gas
Live Oak LimitedWCAC Operating CompanyBakersfield, CA20 GWhFeb 1992Mar 2026 Natural Gas

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