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 Jan 2026
Annual Generation 184.8 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 | 41.7% Solar | 26.8% Water | 11.8% Wind | 10.6% Nuclear | 9.5%

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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 1,388
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
BowmanNevada Irrigation DistrictNevada City, CA11 GWhAug 1986Dec 2024 Water
Coalinga 25D CogenChevron USA IncCoalinga, CA42 GWhSep 1986Dec 2024 Natural Gas
Puente Hills Energy RecoveryLos Angeles County SanitationWhittier, CA152 GWhSep 1986Oct 2025 Landfill Gas
Pacific-Ultrapower Chinese StationIHI Power Services CorpJamestown, CA138 GWhSep 1986Oct 2025 Wood/Wood Waste Solids : 99.7%
Sierra Pacific Burney FacilitySierra Pacific IndustriesBurney, CA96 GWhSep 1986Dec 2024 Wood/Wood Waste Solids
NewcastlePacific Gas & Electric Co.Auburn, CA7 GWhNov 1986Dec 2024 Water
Helzel & Schwarzhoff 86Wind Stream Operations LLCTehachapi, CA3 GWhNov 1986Dec 2024 Wind
TPC Windfarms LLCTerra-Gen Operating Co-WindMojave, CA46 GWhNov 1986Dec 2024 Wind
Berry Cogen Tanne Hills 18Berry Petroleum CoMaricopa, CA140 GWhNov 1986Oct 2025 Natural Gas
Roaring Creek Water PowerShasta Hydroelectric IncMontgomery Creek, CA7 GWhNov 1986Dec 2024 Water
Hatchet Creek ProjectMega RenewablesMontgomery Creek, CA23 GWhNov 1986Dec 2024 Water
Sierra Pacific Quincy FacilitySierra Pacific IndustriesQuincy, CA193 GWhNov 1986Dec 2024 Wood/Wood Waste Solids
Berry CogenBerry Petroleum CoTaft, CA8 GWhNov 1986Sep 2025 Natural Gas
H. GonzalesCity of VernonVernon, CA178 MWhDec 1986Dec 2024 Natural Gas
Montgomery Creek HydroCentral Rivers Power US, LLCMontgomery Creek, CA10 GWhDec 1986Dec 2024 Water
Difwind Farms Ltd VITerra-Gen Operating Co-WindMojave, CA15 GWhDec 1986Dec 2024 Wind
Big Creek Water WorksBig Creek Water Works LtdHyampom, CA11 GWhDec 1986May 2025 Water
East Portal GeneratorCalleguas Mun Water DistrictChatsworth, CA4 GWhDec 1986Dec 2024 Water
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA604 GWhJan 1987Oct 2025 Natural Gas
Bidwell Ditch ProjectMega RenewablesHat Creek, CA11 GWhFeb 1987Dec 2024 Water
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA23 GWhMar 1987Oct 2025 Natural Gas
Lake MendocinoCity of Ukiah - (CA)Ukiah, CA12 GWhApr 1987Dec 2024 Water
Phillips 66 Rodeo RefineryPhillips 66 CompanyRodeo, CA291 GWhApr 1987Aug 2024 Other Gas : 72.8% Natural Gas : 27.2%
PE BerkeleyBerkeley Cogeneration FacilityBerkeley, CA166 GWhMay 1987Oct 2025 Natural Gas
Moccasin Low Head Hydro ProjectCity & County of San FranciscoMoccasin, CA4 MWhJun 1987Nov 2024 Water
Thermalito Diverson DamCalifornia Dept. of Water ResourcesOroville, CA19 GWhJun 1987Dec 2024 Water
Coso Finance PartnersCoso Operating Co LLCInyokern, CA367 GWhJun 1987Oct 2025 Geothermal
Nacimiento Hydro ProjectMonterey Cnty Water Res AgencyBradley, CA18 GWhJun 1987Dec 2024 Water
Univ of San Francisco CogenUniversity of San FranciscoSan Francisco, CA5 GWhAug 1987Dec 2024 Natural Gas
Gilroy Power PlantCalpine Gilroy Cogen LPGilroy, CA44 GWhSep 1987Dec 2024 Natural Gas
Wheelabrator ShastaShasta Sustainable Resource Management, Inc.Anderson, CA285 GWhSep 1987Oct 2025 Wood/Wood Waste Solids
J S EastwoodSouthern California Edison CoShaver Lake, CA82 GWhNov 1987Oct 2025 Water
San Gabriel Hydro ProjectLos Angeles County-San GabrielAzusa, CA5 GWhNov 1987Apr 2024 Water
Stockton BiomassDTE Stockton LLCStockton, CA343 GWhNov 1987Dec 2024 Wood/Wood Waste Solids : 99.5%
CamChino Leasing LLCCamChino Leasing LLCChino, CA7 GWhNov 1987Dec 2024 Natural Gas
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Oct 2025 Natural Gas : 79.1% Other Gas : 20.0% Waste/Other Oil : 0.9%
Sycamore CogenerationSycamore Cogeneration CoBakersfield, CA280 GWhNov 1987Oct 2025 Natural Gas
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987Oct 2025 Natural Gas : 99.7%
CSUCI Site AuthorityCSUCI Site AuthorityCamarillo, CA3 GWhFeb 1988Sep 2024 Natural Gas
AltaGas Ripon Energy Inc.AltaGas Ripon Energy Inc.Ripon, CA2 GWhMar 1988Sep 2025 Natural Gas
Dinosaur PointInternational Turbine Res IncLos Banos, CA5 GWhApr 1988Jun 2024 Wind
Coalinga Cogeneration FacilityAera Energy LLC-CoalingaCoalinga, CA36 GWhMay 1988Dec 2024 Natural Gas
Dixie ValleyOrmat Nevada IncFallon, NV401 GWhMay 1988Oct 2025 Geothermal
Kern River Eastridge CogenChevron USA IncBakersfield, CA224 GWhMay 1988Oct 2025 Natural Gas
Rio Bravo FresnoRio Bravo FresnoFresno, CA108 GWhJun 1988Oct 2024 Wood/Wood Waste Solids : 94.7% Natural Gas : 5.3%
Southeast Resource RecoverySERRF Joint Powers AuthorityLong Beach, CA90 GWhJun 1988Mar 2024 Non-biogenic Municipal Solid Waste : 51.7% Biogenic Municipal Solid Waste : 42.3% Natural Gas : 6.1%
Dome ProjectSentinel Peak Resources California, LLCFellows, CA48 GWhJul 1988Dec 2024 Natural Gas
Monterey One WaterMonterey One WaterMarina, CA7 GWhJul 1988Dec 2024 Other Biomass Gas : 74.6% Natural Gas : 25.4%
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%
Black ButteCity of Santa Clara - (CA)Orland, CA15 GWhAug 1988Dec 2024 Water
Cymric 31X CogenChevron USA IncMcKittrick, CA20 GWhSep 1988Dec 2024 Natural Gas
Coso Energy DevelopersCoso Operating Co LLCInyokern, CA244 GWhNov 1988Dec 2024 Geothermal
Harbor CogenHarbor Cogeneration Co.Wilmington, CA17 GWhNov 1988Dec 2024 Natural Gas
Muck Valley HydroelectricBrookfield Renewable Trading and Marketing LPNA, CA82 GWhNov 1988Dec 2024 Water
HaypressEIF Haypress LLCSierra City, CA18 GWhNov 1988Jun 2024 Water
Kern Front LimitedWCAC Operating CompanyBakersfield, CA12 GWhJan 1989Dec 2024 Natural Gas
Southeast Kern River CogenChevron USA IncBakersfield, CA44 GWhJan 1989Oct 2025 Natural Gas
Greenleaf 1Calpine Greenleaf Holding, Inc.Yuba City, CA4 GWhJan 1989Dec 2024 Natural Gas
King City Power PlantCalpine King City Cogen LLCKing City, CA31 GWhJan 1989Sep 2025 Natural Gas
Wadham Energy LPWadham Energy Ltd PartnersWilliams, CA132 GWhFeb 1989Dec 2024 Agricultural By-Products : 99.7%
Double C Generation Limited PartnershipWCAC Operating CompanyBakersfield, CA15 GWhFeb 1989Dec 2024 Natural Gas
High Sierra LimitedWCAC Operating CompanyBakersfield, CA14 GWhFeb 1989Dec 2024 Natural Gas
New Hogan Power PlantModesto Irrigation DistrictValley Springs, CA9 GWhMar 1989Dec 2024 Water
Rio Bravo Hydro ProjectOlcese Water DistrictBakersfield, CA35 GWhApr 1989Oct 2024 Water
Midway Sunset CogenMidway-Sunset Cogeneration CoFellows, CA112 GWhApr 1989Aug 2025 Natural Gas
Mt Poso CogenerationMt Poso Cogeneration CoBakersfield, CA180 GWhApr 1989Nov 2024 Wood/Wood Waste Solids : 99.3% Natural Gas : 0.7%
Aidlin Geothermal Power PlantGeysers Power Co LLCMiddletown, CA81 GWhApr 1989Dec 2024 Geothermal
Rio Bravo RocklinRio Bravo RocklinLincoln, CA155 GWhMay 1989Dec 2024 Wood/Wood Waste Solids : 99.1% Natural Gas : 0.9%
Solano County Cogen PlantSolano CountyFairfield, CA8 GWhMay 1989Dec 2024 Natural Gas
HL PowerHL Power CompanyWendel, CA205 GWhJun 1989Dec 2024 Wood/Wood Waste Solids : 99.8%
Aera San Ardo Cogen FacilityAera Energy LLC-San ArdoSan Ardo, CA17 GWhJun 1989Dec 2024 Natural Gas
Woodland Biomass Power LtdDTE Energy Services-WoodlandWoodland, CA171 GWhAug 1989Dec 2024 Wood/Wood Waste Solids : 99.5% Natural Gas : 0.5%
Nelson CreekNelson Creek Power IncBig Bend, CA3 GWhSep 1989Dec 2024 Water
Burney Forest ProductsBurney Forest Products, A Joint VentureBurney, CA193 GWhSep 1989Dec 2024 Wood/Wood Waste Solids : 94.4% Natural Gas : 5.6%
Greenleaf 2 Power PlantGreenleaf Energy LLCYuba City, CA14 GWhSep 1989Oct 2025 Natural Gas
Spicer Meadow ProjectNorthern California Power AgnyMurphys, CA22 GWhOct 1989Dec 2024 Water
Coso Power DevelopersCoso Operating Co LLCInyokern, CA302 GWhOct 1989Oct 2025 Geothermal
Collierville PowerhouseNorthern California Power AgnyMurphys, CA353 GWhOct 1989Oct 2025 Water
Lost Creek ISnow Mountain Hydro LLCBurney, CA5 GWhNov 1989Dec 2024 Water
Mojave 16/17/18Terra-Gen Operating Co-WindMojave, CA74 GWhNov 1989Dec 2024 Wind
Lockhart Solar PV, LLCTerra-Gen Operating Co-SolarHinkley, CA244 GWhNov 1989Oct 2025 Solar
Tulare Success Power ProjectLower Tule River Irrgtn DistPorterville, CA2 GWhNov 1989Sep 2024 Water
Carson CogenerationCarson Cogeneration CoCarson, CA29 GWhNov 1989Aug 2024 Natural Gas
Bear Creek (CA)Central Rivers Power US, LLCShingletown, CA7 GWhDec 1989Dec 2024 Water
Oroville Cogeneration LPApex Power Generation Corp.Oroville, CA672 MWhDec 1989Dec 2024 Natural Gas
EDF Renewable Windfarm V IncEDF Renewable Asset Holdings, Inc.Birds Landing, CA20 GWhDec 1989Dec 2024 Wind
OlsenOlsen Power PartnersWhitmore, CA14 GWhDec 1989Dec 2024 Water
Fresno Cogen PartnersWellhead Services, IncSan Joaquin, CA2 GWhDec 1989Dec 2024 Natural Gas
Cove HydroelectricSnow Mountain Hydro LLCBurney, CA18 GWhJan 1990Dec 2024 Water
Chalk Cliff LimitedWCAC Operating CompanyBakersfield, CA4 GWhFeb 1990Sep 2025 Natural Gas
Ponderosa Bailey CreekSnow Mountain Hydro LLCManton, CA3 GWhFeb 1990Dec 2024 Water
Welport Lease ProjectSentinel Peak Resources California, LLCMcKittrick, CA35 GWhFeb 1990Dec 2024 Natural Gas
Burney CreekSnow Mountain Hydro LLCBurney, CA9 GWhFeb 1990Dec 2024 Water
Western Power & Steam IncWestern Power and Steam II LLCBakersfield, CA25 GWhFeb 1990Oct 2025 Natural Gas
Terminus Hydroelectric ProjectEagle Creek Renewable Energy, LLCLemon Cove, CA42 GWhFeb 1990Jun 2024 Water
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA2 GWhFeb 1990Oct 2025 Natural Gas
Biola University HybridBiola UniversityLa Mirada, CA13 GWhMar 1990Oct 2025 Natural Gas
E F Oxnard Energy FacilityEF Oxnard, LLCOxnard, CA3 GWhMay 1990Oct 2025 Natural Gas
SEGS IXTerra-Gen Operating Co-SolarHinkley, CA112 GWhAug 1990Sep 2024 Solar
Kings River SyphonOrange Cove Irrigation DistrictSanger, CA325 MWhAug 1990May 2024 Water

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.484.7 TWh1,313
#5Southwest Power Pool300.6 TWh835
#6Southern Company Services, Inc. - Trans249.9 TWh417
#7California Independent System Operator184.8 TWh2,075
#9Tennessee Valley Authority161.0 TWh204
#10Florida Power & Light Co.149.6 TWh187
#12New York Independent System Operator132.6 TWh1,211
#13Duke Energy Carolinas111.6 TWh565
#15ISO New England107.8 TWh1,577
#16Bonneville Power Administration83.7 TWh163