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 Apr 2026
Annual Generation 176.8 TWh
Power Plants2,075
Utilities965
Ranked #7 out of 65 in terms of net annual generation
Ranked #10 out of 54 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 38.5% Solar | 28.7% Water | 12.1% Wind | 10.2% Nuclear | 10.1%

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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 101 to 200 of 1,389
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
ExchequerMerced Irrigation DistrictSnelling, CA268 GWhJun 1967Dec 2024 Water
McSwainMerced Irrigation DistrictSnelling, CA32 GWhJun 1967Dec 2024 Water
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA2 TWhNov 1967Feb 2026 Natural Gas
ThermalitoCalifornia Dept. of Water ResourcesOroville, CA330 GWhJan 1968Feb 2026 Water
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Feb 2026 Water
Altamont Gas RecoveryWM Renewable Energy LLCLivermore, CA39 GWhFeb 1969Dec 2024 Landfill Gas
MoccasinCity & County of San FranciscoMoccasin, CA290 GWhJul 1969Feb 2026 Water
BeldenPacific Gas & Electric Co.Belden, CA347 GWhAug 1969Feb 2026 Water
ColgateYuba County Water AgencyDobbins, CA1 TWhSep 1969Oct 2025 Water
Narrows 2Yuba County Water AgencyBrowns Valley, CA157 GWhNov 1969Dec 2024 Water
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Feb 2026 Geothermal
Ormond BeachOrmond Beach Power, LLCOxnard, CA43 GWhJul 1971Aug 2025 Natural Gas
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA834 GWhNov 1972Feb 2026 Water
Wellhead Power PanocheWellhead Services, IncFirebaugh, CA3 GWhJul 1973Dec 2024 Natural Gas
EllwoodEllwood Power, LLCGoleta, CA2 GWhJul 1974Dec 2024 Natural Gas
GlenarmCity of Pasadena - (CA)Pasadena, CA39 GWhDec 1975Dec 2024 Natural Gas
Dominguez PlantEco Services Corp.Long Beach, CA14 GWhJul 1976Dec 2023 Waste Heat
Long Beach Generation LLCLong Beach Generation LLCLong Beach, CA10 GWhNov 1976Dec 2024 Natural Gas
Martinez Sulfuric Acid Regeneration PltEco Services Corp.Martinez, CA17 GWhDec 1977Dec 2024 Waste Heat
Dynegy Oakland Power PlantDynegy Oakland, LLCOakland, CA1 GWhOct 1978Feb 2026 Jet Fuel
Coleman PHPacific Gas & Electric Co.Anderson, CA27 GWhMay 1979Dec 2024 Water
SouthPacific Gas & Electric Co.Manton, CA13 GWhNov 1979Dec 2024 Water
Loma Linda University CogenLoma Linda UniversityLoma Linda, CA62 GWhJan 1980Feb 2026 Natural Gas
RollinsNevada Irrigation DistrictColfax, CA39 GWhJul 1980Dec 2024 Water
Lake MathewsMetropolitan Water District of S CARiverside, CA8 GWhJul 1980Jul 2024 Water
Foothill FeederMetropolitan Water District of S CACastaic, CA20 GWhMar 1981Dec 2023 Water
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CA3 GWhJul 1981Feb 2026 Other Biomass Gas : 96.1% Natural Gas : 3.9%
Volta 2Pacific Gas & Electric Co.Manton, CA3 GWhOct 1981Dec 2024 Water
Victory Garden (Tehachapi)Wind Stream Operations LLCTehachapi, CA33 GWhNov 1981Dec 2024 Wind
ParkerMerced Irrigation DistrictSnelling, CA5 GWhMar 1982Oct 2024 Water
Oak Creek Energy Systems ITerra-Gen Operating Co-WindMojave, CA54 GWhMay 1982Dec 2024 Wind
Santa Clara CogenCity of Santa Clara - (CA)Santa Clara, CA15 GWhMay 1982Dec 2023 Natural Gas
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA482 GWhJun 1982Feb 2026 Natural Gas
Taft 26C CogenChevron USA IncTaft, CA40 GWhJun 1982Feb 2026 Natural Gas
Cymric 36W CogenChevron USA IncMcKittrick, CA59 GWhSep 1982Dec 2024 Natural Gas
B Braun MedicalB Braun Medical IncIrvine, CA33 GWhOct 1982Dec 2024 Natural Gas
W E WarneCalifornia Dept. of Water ResourcesGorman, CA171 GWhOct 1982Dec 2024 Water
Geothermal 1Northern California Power AgnyMiddletown, CA319 GWhDec 1982Feb 2026 Geothermal
Frankenheimer Power PlantTurlock Irrigation DistrictOakdale, CA13 GWhFeb 1983Oct 2024 Water
San Gorgonio Farms Wind FarmSan Gorgonio Farms IncWhitewater, CA61 GWhFeb 1983Dec 2024 Wind
PerrisMetropolitan Water District of S CAPerris, CA5 GWhApr 1983Jan 2024 Water
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA471 GWhApr 1983Feb 2026 Water
Monticello DamSolano Irrigation DistrictWinters, CA36 GWhMay 1983Dec 2024 Water
Gosselin Hydro PlantHumboldt Bay Mun Water DistRuth, CA6 GWhMay 1983Dec 2024 Water
Sly CreekSouth Feather Water and Power AgencyForbestown, CA31 GWhJun 1983Dec 2024 Water
TemescalMetropolitan Water District of S CACorona, CA17 GWhJun 1983Dec 2024 Water
CamancheEast Bay Municipal Util DistClements & Wallace, CA32 GWhJun 1983Dec 2024 Water
CoronaMetropolitan Water District of S CACorona, CA14 GWhJul 1983Dec 2024 Water
Grossmont HospitalSharp Grossmont HospitalLa Mesa, CA25 GWhJul 1983Dec 2024 Natural Gas
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA74 GWhAug 1983Feb 2026 Other Gas : 66.2% Waste Heat : 33.8%
Indian Valley Dam Hydro ProjectYolo County Flood Control WCDClearlake Oaks, CA6 GWhSep 1983Aug 2024 Water
CP Kelco San Diego PlantCP Kelco US Inc.San Diego, CA75 GWhSep 1983Feb 2026 Natural Gas
Sonoma California GeothermalGeysers Power Co LLCMiddletown, CA448 GWhNov 1983Dec 2024 Geothermal
East Winds ProjectTerra-Gen Operating Co-WindPalm Springs, CA7 GWhNov 1983Dec 2024 Wind
Pine FlatKings River Conservation DistPiedra, CA331 GWhDec 1983Sep 2025 Water
Terra-Gen VG Wind LLCTerra-Gen Operating Co-WindTehachapi, CA8 GWhDec 1983Jun 2024 Wind
Ridgetop Energy LLCTerra-Gen Operating Co-WindMojave, CA27 GWhDec 1983Dec 2024 Wind
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA456 GWhFeb 1984Feb 2026 Geothermal
Combie SouthNevada Irrigation DistrictAuburn, CA4 GWhMar 1984Dec 2024 Water
US BoraxU S Borax IncBoron, CA267 GWhJun 1984Feb 2026 Natural Gas
Mesa Wind Power LLCBrookfield Renewable Trading and Marketing LPNorth Palm Springs, CA117 GWhOct 1984Feb 2026 Wind
Three Forks Water Power ProjectGrizzly Mountain RanchZenia, CA3 GWhNov 1984Dec 2024 Water
Cameron Ridge LLCTerra-Gen Operating Co-WindMojave, CA144 GWhNov 1984Dec 2024 Wind
Tehachapi Wind Resource ICalWind Resources IncTehachapi, CA14 GWhNov 1984Dec 2024 Wind
San Jose CogenerationSan Jose State University Fclts Dev &OpsSan Jose, CA35 GWhNov 1984Feb 2026 Natural Gas
Mammoth G1Ormat Nevada IncMammoth lakes, CA60 GWhNov 1984Dec 2024 Geothermal
Sunray 2Sunray Energy 2, LLCDaggett, CA58 GWhNov 1984Dec 2024 Solar
San Antonio Regional HospitalSan Antonio Regional HospitalUpland, CA10 GWhDec 1984Dec 2024 Natural Gas
Karen Avenue Wind FarmSan Gorgonio Farms IncNorth Palm Springs, CA23 GWhDec 1984Dec 2024 Wind
85 BWind Wall 1 LLCTehachapi, CA98 GWhDec 1984Dec 2024 Wind
85 AWind Wall 1 LLCTehachapi, CA71 GWhDec 1984Dec 2024 Wind
Scott FlatNevada Irrigation DistrictNevada City, CA4 GWhJan 1985Oct 2024 Water
Site 980 65Madera-Chowchilla Power AuthMadera, CA5 GWhJan 1985Jul 2024 Water
Sacramento Municipal Util DistSouth Sutter Water DistrictSacramento, CA16 GWhJan 1985Mar 2024 Water
Friant Hydro FacilityFriant Power AuthorityFriant, CA60 GWhMar 1985Dec 2024 Water
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA17 TWhApr 1985Feb 2026 Nuclear
Municipal Cogen PlantPalm Springs City ofPalm Springs, CA7 GWhApr 1985Feb 2026 Natural Gas
Gas Utilization FacilityCity of San DiegoSan Diego, CA30 GWhMay 1985Feb 2026 Other Biomass Gas
Red MountainMetropolitan Water District of S CAFallbrook, CA34 GWhMay 1985Oct 2024 Water
New-Indy Ontario MillNew-Indy Ontario LLCOntario, CA245 GWhMay 1985Feb 2026 Natural Gas
Kern River CogenerationKern River Cogeneration CoBakersfield, CA92 GWhJun 1985Feb 2026 Natural Gas
WWTP Power Generation StationEast Bay Municipal Util DistOakland, CA30 GWhJul 1985Feb 2026 Other Biomass Gas : 99.0% Distillate Fuel Oil : 1.0%
Lost Hills Cogeneration PlantAERA Energy LLCLost Hills, CA9 GWhSep 1985Dec 2024 Natural Gas
Painted Hills Wind ParkTerra-Gen Operating Co-WindWhitewater, CA161 GWhOct 1985Feb 2026 Wind
Sunray 3Sunray Energy 3 LLCDaggett, CA37 GWhNov 1985Dec 2024 Solar
Collins Pine ProjectCollins Pine CoChester, CA10 GWhNov 1985Dec 2024 Wood/Wood Waste Solids
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA473 GWhNov 1985Feb 2026 Natural Gas
Geothermal 2Northern California Power AgnyMiddletown, CA328 GWhNov 1985Feb 2026 Geothermal
ZCOWind Stream Operations LLCTehachapi, CA1 GWhNov 1985Dec 2024 Wind
Coram Energy LLC (4.5MW)Nextera Energy ResourcesTehachapi, CA10 GWhNov 1985Dec 2024 Wind
Total Energy FacilitiesLos Angeles County SanitationCarson, CA161 GWhDec 1985Dec 2024 Other Biomass Gas : 99.6%
LodiNorthern California Power AgnyLodi, CA3 GWhJan 1986Dec 2024 Natural Gas
Oxnard Paper MillNew-Indy, Oxnard LLCOxnard, CA132 GWhFeb 1986Feb 2026 Natural Gas
San Dimas Wash Generating StationSan Gabriel Valley Mun Wtr DtSan Dimas, CA5 GWhFeb 1986Jun 2024 Water
Stony GorgeCity of Santa Clara - (CA)Elk Creek, CA16 GWhMar 1986Dec 2024 Water
ToadtownPacific Gas & Electric Co.Magalia, CA2 GWhMar 1986Oct 2024 Water
Whitewater Hydro PlantDesert Water AgencyCalifornia, CA5 GWhMar 1986Nov 2024 Water
Sand Bar Power PlantTri-Dam Power AuthorityStanislaus Ntl. Fores, CA85 GWhApr 1986Dec 2024 Water
AlamedaNorthern California Power AgnyAlameda, CA3 GWhApr 1986Dec 2024 Natural Gas
Bear ValleyCity of Escondido - (CA)Escondido, CA4 GWhMay 1986Dec 2024 Water

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.488.2 TWh1,313
#5Southwest Power Pool302.9 TWh835
#6Southern Company Services, Inc. - Trans250.9 TWh417
#7California Independent System Operator176.8 TWh2,075
#9Tennessee Valley Authority163.1 TWh204
#10Florida Power & Light Co.150.9 TWh187
#12New York Independent System Operator134.4 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England111.1 TWh1,577
#16Bonneville Power Administration88.3 TWh163