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 Oct 2026
Annual Generation 168.7 TWh
Power Plants2,170
Utilities1,001
Ranked #7 out of 64 in terms of net annual generation
Ranked #14 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 32% Solar | 30.9% Water | 12.2% Wind | 11.8% Nuclear | 11.2% Coal | 0%

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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 1,426
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
BowmanNevada Irrigation DistrictNevada City, CA14 GWhAug 1986Dec 2025 Water
Coalinga 25D CogenChevron USA IncCoalinga, CA39 GWhSep 1986Dec 2025 Natural Gas
Puente Hills Energy RecoveryLos Angeles County SanitationWhittier, CA145 GWhSep 1986Jul 2026 Landfill Gas
Pacific-Ultrapower Chinese StationIHI Power Services CorpJamestown, CA101 GWhSep 1986Jul 2026 Wood/Wood Waste Solids : 98.0% Gaseous Propane : 2.0%
Sierra Pacific Burney FacilitySierra Pacific IndustriesBurney, CA95 GWhSep 1986Dec 2025 Wood/Wood Waste Solids
NewcastlePacific Gas & Electric Co.Auburn, CA6 GWhNov 1986Dec 2025 Water
TPC Windfarms LLCTerra-Gen Operating Co-WindMojave, CA42 GWhNov 1986Dec 2025 Wind
Helzel & Schwarzhoff 86Wind Stream Operations LLCTehachapi, CA3 GWhNov 1986Dec 2024 Wind
Berry Cogen Tanne Hills 18Berry Petroleum CoMaricopa, CA138 GWhNov 1986Jul 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
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
H. GonzalesCity of Vernon - (CA)Vernon, CA29 MWhDec 1986Dec 2025 Natural Gas
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA598 GWhJan 1987Jul 2026 Natural Gas
Bidwell Ditch ProjectMega RenewablesHat Creek, CA12 GWhFeb 1987Dec 2025 Water
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA24 GWhMar 1987Jul 2026 Natural Gas
Lake MendocinoCity of Ukiah - (CA)Ukiah, CA12 GWhApr 1987Dec 2025 Water
PE BerkeleyBerkeley Cogeneration FacilityBerkeley, CA134 GWhMay 1987Jun 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, CA357 GWhJun 1987Jul 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 1987Jul 2026 Wood/Wood Waste Solids
J S EastwoodSouthern California Edison CoShaver Lake, CA100 GWhNov 1987Jul 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, CA2 GWhNov 1987Dec 2025 Natural Gas
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Jul 2026 Natural Gas : 77.0% Other Gas : 22.7%
Sycamore CogenerationSycamore Cogeneration CoBakersfield, CA144 GWhNov 1987Jun 2026 Natural Gas
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987Jul 2026 Natural Gas : 99.8%
AltaGas Ripon Energy Inc.AltaGas Ripon Energy Inc.Ripon, CA2 GWhMar 1988Jul 2026 Natural Gas
Kern River Eastridge CogenChevron USA IncBakersfield, CA211 GWhMay 1988Jul 2026 Natural Gas
Dixie ValleyOrmat Nevada IncFallon, NV469 GWhMay 1988Jul 2026 Geothermal
Coalinga Cogeneration FacilityAera Energy LLC-CoalingaCoalinga, CA42 GWhMay 1988Dec 2025 Natural Gas
Monterey One WaterMonterey One WaterMarina, CA8 GWhJul 1988Dec 2025 Other Biomass Gas : 78.5% Natural Gas : 21.5%
Dome ProjectSentinel Peak Resources California, LLCFellows, CA48 GWhJul 1988Dec 2025 Natural Gas
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
HaypressEIF Haypress LLCSierra City, CA17 GWhNov 1988Jun 2025 Water
Muck Valley HydroelectricMalacha Hydro Limited PartnershipNA, CA90 GWhNov 1988Dec 2025 Water
Harbor CogenHarbor Cogeneration Co.Wilmington, CA9 GWhNov 1988Nov 2025 Natural Gas
King City Power PlantCalpine King City Cogen LLCKing City, CA28 GWhJan 1989Jul 2026 Natural Gas
Greenleaf 1Calpine Greenleaf Holding, Inc.Yuba City, CA3 GWhJan 1989Dec 2025 Natural Gas
Southeast Kern River CogenChevron USA IncBakersfield, CA43 GWhJan 1989Jul 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
Double C Generation Limited PartnershipWCAC Operating CompanyBakersfield, CA6 GWhFeb 1989Dec 2025 Natural Gas
Wadham EnergyWadham Energy LPWilliams, CA145 GWhFeb 1989Dec 2025 Agricultural By-Products : 99.7%
New Hogan Power PlantModesto Irrigation DistrictValley Springs, CA6 GWhMar 1989Dec 2025 Water
Rio Bravo Hydro ProjectOlcese Water DistrictBakersfield, CA27 GWhApr 1989Nov 2025 Water
Aidlin Geothermal Power PlantGeysers Power Co LLCMiddletown, CA82 GWhApr 1989Dec 2025 Geothermal
Midway Sunset CogenMidway-Sunset Cogeneration CoFellows, CA8 GWhApr 1989Jul 2026 Natural Gas
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
Aera San Ardo Cogen FacilityAera Energy LLC-San ArdoSan Ardo, CA20 GWhJun 1989Dec 2025 Natural Gas
HL PowerHL Power CompanyWendel, CA196 GWhJun 1989Dec 2025 Wood/Wood Waste Solids : 99.4% Natural Gas : 0.6%
Woodland Biomass Power LtdDTE Energy Services-WoodlandWoodland, CA162 GWhAug 1989Dec 2025 Wood/Wood Waste Solids : 99.5%
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 1989Jun 2026 Natural Gas
Nelson CreekNelson Creek Power IncBig Bend, CA3 GWhSep 1989Dec 2025 Water
Collierville PowerhouseNorthern California Power AgnyMurphys, CA407 GWhOct 1989Jul 2026 Water
Spicer Meadow ProjectNorthern California Power AgnyMurphys, CA14 GWhOct 1989Dec 2025 Water
Coso Power DevelopersCoso Operating Co LLCInyokern, CA316 GWhOct 1989Jul 2026 Geothermal
Lost Creek ISnow Mountain Hydro LLCBurney, CA6 GWhNov 1989Dec 2025 Water
Lockhart Solar PV, LLCTerra-Gen Operating Co-SolarHinkley, CA236 GWhNov 1989Jul 2026 Solar
Mojave 16/17/18Terra-Gen Operating Co-WindMojave, CA66 GWhNov 1989Dec 2025 Wind
Tulare Success Power ProjectLower Tule River Irrgtn DistPorterville, CA1 GWhNov 1989Aug 2025 Water
Carson CogenerationCarson Cogeneration CoCarson, CA3 GWhNov 1989Sep 2025 Natural Gas
OlsenOlsen Power PartnersWhitmore, CA15 GWhDec 1989Dec 2025 Water
Oroville Cogeneration, LLCApex Power Generation Corp.Oroville, CA116 MWhDec 1989Dec 2025 Natural Gas
EDF Renewable Windfarm V IncEDF Renewable Asset Holdings, Inc.Birds Landing, CA23 GWhDec 1989Dec 2025 Wind
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
Cove HydroelectricSnow Mountain Hydro LLCBurney, CA17 GWhJan 1990Dec 2025 Water
Ponderosa Bailey CreekSnow Mountain Hydro LLCManton, CA4 GWhFeb 1990Dec 2025 Water
Burney CreekSnow Mountain Hydro LLCBurney, CA9 GWhFeb 1990Dec 2025 Water
Welport Lease ProjectSentinel Peak Resources California, LLCMcKittrick, CA34 GWhFeb 1990Dec 2025 Natural Gas
Chalk Cliff LimitedWCAC Operating CompanyBakersfield, CA3 GWhFeb 1990Jun 2026 Natural Gas
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA4 GWhFeb 1990Jul 2026 Natural Gas
Western Power & Steam IncWestern Power and Steam II LLCBakersfield, CA21 GWhFeb 1990Jul 2026 Natural Gas
Terminus Hydroelectric ProjectEagle Creek Renewable Energy, LLCLemon Cove, CA33 GWhFeb 1990Dec 2025 Water
Biola University HybridBiola UniversityLa Mirada, CA13 GWhMar 1990Jul 2026 Natural Gas
E F Oxnard Energy FacilityEF Oxnard, LLCOxnard, CA8 GWhMay 1990Jul 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
Mammoth G2Ormat Nevada IncMammoth Lakes, CA84 GWhNov 1990Dec 2025 Geothermal
Mammoth G3Ormat Nevada IncMammoth Lakes, CA75 GWhNov 1990Dec 2025 Geothermal
Kingsburg CogenKES Kingsburg LPKingsburg, CA8 GWhNov 1990Sep 2025 Natural Gas
Isabella Hydro ProjectIsabella PartnersLake Isabella, CA32 GWhNov 1990Dec 2025 Water
Mojave 3/4/5Terra-Gen Operating Co-WindMojave, CA125 GWhNov 1990Dec 2025 Wind
Yuba City Cogen PartnersWellhead Services, IncYuba City, CA15 GWhNov 1990Dec 2025 Natural Gas

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.506.3 TWh1,487
#5Southwest Power Pool314.5 TWh876
#6Southern Company Services, Inc. - Trans259.3 TWh423
#7California Independent System Operator168.7 TWh2,170
#9Tennessee Valley Authority166.2 TWh209
#10Florida Power & Light Co.153.0 TWh188
#12New York Independent System Operator134.1 TWh1,334
#13Duke Energy Carolinas113.4 TWh578
#15ISO New England112.2 TWh1,667
#16Bonneville Power Administration91.1 TWh170