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 May 2025
Annual Generation 189.5 TWh
Power Plants1,943
Utilities893
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 | 43.6% Solar | 24.8% Water | 11.6% Wind | 10.8% Nuclear | 9.7%

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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 1,366
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
WoodleafSouth Feather Water and Power AgencyForbestown, CA232 GWhOct 1963Dec 2023 Water
Chili BarSacramento Municipal Util DistPlacerville, CA43 GWhFeb 1965Dec 2023 Water
Pit 6Pacific Gas & Electric Co.Montgomery Creek, CA278 GWhJul 1965Oct 2023 Water
Pit 7Pacific Gas & Electric Co.Montgomery Creek, CA310 GWhAug 1965Feb 2025 Water
Chicago ParkNevada Irrigation DistrictColfax, CA135 GWhOct 1965Dec 2023 Water
Dutch Flat 2Nevada Irrigation DistrictDutch Flat, CA47 GWhOct 1965Dec 2023 Water
Drum 2Pacific Gas & Electric Co.Alta, CA271 GWhNov 1965Dec 2023 Water
James B BlackPacific Gas & Electric Co.Big Bend, CA370 GWhNov 1965Feb 2025 Water
French MeadowsPlacer County Water AgencyForesthill, CA67 GWhSep 1966Dec 2023 Water
Middle ForkPlacer County Water AgencyForesthill, CA439 GWhSep 1966Feb 2025 Water
Oxbow (CA)Placer County Water AgencyForesthill, CA14 GWhSep 1966Dec 2023 Water
RalstonPlacer County Water AgencyForesthill, CA460 GWhSep 1966Dec 2023 Water
R C KirkwoodCity & County of San FranciscoGroveland, CA430 GWhJan 1967Feb 2025 Water
ExchequerMerced Irrigation DistrictSnelling, CA251 GWhJun 1967Dec 2023 Water
McSwainMerced Irrigation DistrictSnelling, CA46 GWhJun 1967Oct 2023 Water
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA3 TWhNov 1967Feb 2025 Natural Gas
ThermalitoCalifornia Dept. of Water ResourcesOroville, CA344 GWhJan 1968Feb 2025 Water
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Feb 2025 Water
Altamont Gas RecoveryWM Renewable Energy LLCLivermore, CA39 GWhFeb 1969Dec 2023 Landfill Gas
MoccasinCity & County of San FranciscoMoccasin, CA275 GWhJul 1969Feb 2025 Water
BeldenPacific Gas & Electric Co.Belden, CA365 GWhAug 1969Nov 2024 Water
ColgateYuba County Water AgencyDobbins, CA1 TWhSep 1969Feb 2025 Water
Narrows 2Yuba County Water AgencyBrowns Valley, CA277 GWhNov 1969Dec 2023 Water
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Feb 2025 Geothermal
Ormond BeachOrmond Beach Power, LLCOxnard, CA39 GWhJul 1971Jan 2025 Natural Gas
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA750 GWhNov 1972Feb 2025 Water
Panoche PeakerWellhead Services, IncFirebaugh, CA2 GWhJul 1973Dec 2023 Natural Gas
EllwoodEllwood Power, LLCGoleta, CA4 GWhJul 1974Dec 2023 Natural Gas
Green Power IFPL Energy Green PowerNorth Palm Springs, CA318 MWhJun 1975Dec 2022 Wind
GlenarmCity of Pasadena - (CA)Pasadena, CA41 GWhDec 1975Dec 2023 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 2023 Natural Gas
Martinez Sulfuric Acid Regeneration PltEco Services Corp.Martinez, CA16 GWhDec 1977Dec 2023 Waste Heat
Dynegy Oakland Power PlantDynegy Oakland, LLCOakland, CA4 GWhOct 1978Feb 2025 Jet Fuel
Coleman PHPacific Gas & Electric Co.Anderson, CA34 GWhMay 1979Dec 2023 Water
SouthPacific Gas & Electric Co.Manton, CA18 GWhNov 1979Dec 2023 Water
Loma Linda University CogenLoma Linda UniversityLoma Linda, CA59 GWhJan 1980Feb 2025 Natural Gas
Volta 1Pacific Gas & Electric Co.Manton, CA3 GWhMar 1980Sep 2023 Water
Lake MathewsMetropolitan Water District of S CARiverside, CA5 GWhJul 1980Oct 2023 Water
RollinsNevada Irrigation DistrictColfax, CA73 GWhJul 1980Dec 2023 Water
Foothill FeederMetropolitan Water District of S CACastaic, CA20 GWhMar 1981Dec 2023 Water
San DimasMetropolitan Water District of S CASan Dimas, CA25 GWhMay 1981Nov 2023 Water
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CA5 GWhJul 1981Feb 2025 Other Biomass Gas : 92.6% Natural Gas : 7.4%
Yorba LindaMetropolitan Water District of S CAYorba Linda, CA5 GWhOct 1981Sep 2023 Water
Volta 2Pacific Gas & Electric Co.Manton, CA3 GWhOct 1981Dec 2023 Water
Victory Garden (Tehachapi)Wind Stream Operations LLCTehachapi, CA25 GWhNov 1981Dec 2023 Wind
ParkerMerced Irrigation DistrictSnelling, CA4 GWhMar 1982Oct 2023 Water
Santa Clara CogenCity of Santa Clara - (CA)Santa Clara, CA15 GWhMay 1982Dec 2023 Natural Gas
Oak Creek Energy Systems ITerra-Gen Operating Co-WindMojave, CA38 GWhMay 1982Dec 2023 Wind
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA487 GWhJun 1982Feb 2025 Natural Gas
Taft 26C CogenChevron USA IncTaft, CA55 GWhJun 1982Feb 2025 Natural Gas
Cymric 36W CogenChevron USA IncMcKittrick, CA54 GWhSep 1982Dec 2023 Natural Gas
W E WarneCalifornia Dept. of Water ResourcesGorman, CA217 GWhOct 1982Dec 2023 Water
B Braun MedicalB Braun Medical IncIrvine, CA27 GWhOct 1982Dec 2023 Natural Gas
Geothermal 1Northern California Power AgnyMiddletown, CA352 GWhDec 1982Feb 2025 Geothermal
San Gorgonio Farms Wind FarmSan Gorgonio Farms IncWhitewater, CA62 GWhFeb 1983Dec 2023 Wind
Frankenheimer Power PlantTurlock Irrigation DistrictOakdale, CA3 GWhFeb 1983Oct 2023 Water
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA420 GWhApr 1983Feb 2025 Water
PerrisMetropolitan Water District of S CAPerris, CA5 GWhApr 1983Dec 2023 Water
Monticello DamSolano Irrigation DistrictWinters, CA32 GWhMay 1983Dec 2023 Water
Gosselin Hydro PlantHumboldt Bay Mun Water DistRuth, CA6 GWhMay 1983Apr 2023 Water
CamancheEast Bay Municipal Util DistClements & Wallace, CA58 GWhJun 1983Dec 2023 Water
Sly CreekSouth Feather Water and Power AgencyForbestown, CA41 GWhJun 1983Dec 2023 Water
TemescalMetropolitan Water District of S CACorona, CA7 GWhJun 1983Dec 2023 Water
CoronaMetropolitan Water District of S CACorona, CA4 GWhJul 1983Dec 2023 Water
Grossmont HospitalSharp Grossmont HospitalLa Mesa, CA27 GWhJul 1983Dec 2023 Natural Gas
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA76 GWhAug 1983Feb 2025 Other Gas : 81.7% Waste Heat : 18.3%
Indian Valley Dam Hydro ProjectYolo County Flood Control WCDClearlake Oaks, CA6 GWhSep 1983Sep 2023 Water
CP Kelco San Diego PlantCP Kelco US Inc.San Diego, CA76 GWhSep 1983Feb 2025 Natural Gas
Phillips 66 Carbon PlantPhillips 66 CompanyRodeo, CA50 GWhNov 1983Jun 2023 Waste Heat
Sonoma California GeothermalGeysers Power Co LLCMiddletown, CA432 GWhNov 1983Dec 2023 Geothermal
East Winds ProjectTerra-Gen Operating Co-WindPalm Springs, CA5 GWhNov 1983Dec 2023 Wind
Terra-Gen VG Wind LLCTerra-Gen Operating Co-WindTehachapi, CA5 GWhDec 1983Dec 2023 Wind
Pine FlatKings River Conservation DistPiedra, CA485 GWhDec 1983Sep 2024 Water
Ridgetop Energy LLCTerra-Gen Operating Co-WindMojave, CA31 GWhDec 1983Dec 2023 Wind
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA467 GWhFeb 1984Feb 2025 Geothermal
Rio HondoMetropolitan Water District of S CASouth Gate, CA2 GWhFeb 1984Aug 2023 Water
Combie SouthNevada Irrigation DistrictAuburn, CA7 GWhMar 1984Dec 2023 Water
US BoraxU S Borax IncBoron, CA267 GWhJun 1984Feb 2025 Natural Gas
Tehachapi Wind Resource ICalWind Resources IncTehachapi, CA13 GWhNov 1984Dec 2023 Wind
Three Forks Water Power ProjectGrizzly Mountain RanchZenia, CA3 GWhNov 1984Dec 2023 Water
Cameron Ridge LLCTerra-Gen Operating Co-WindMojave, CA125 GWhNov 1984Dec 2023 Wind
Sunray 2Sunray Energy 2, LLCDaggett, CA57 GWhNov 1984Dec 2023 Solar
San Jose CogenerationSan Jose State University Fclts Dev &OpsSan Jose, CA34 GWhNov 1984Feb 2025 Natural Gas
Mammoth G1Ormat Nevada IncMammoth lakes, CA58 GWhNov 1984Dec 2023 Geothermal
San Antonio Regional HospitalSan Antonio Regional HospitalUpland, CA11 GWhDec 1984Dec 2023 Natural Gas
Karen Avenue Wind FarmSan Gorgonio Farms IncNorth Palm Springs, CA29 GWhDec 1984Dec 2023 Wind
85 BWind Wall 1 LLCTehachapi, CA87 GWhDec 1984Dec 2023 Wind
85 AWind Wall 1 LLCTehachapi, CA63 GWhDec 1984Dec 2023 Wind
Site 980 65Madera-Chowchilla Power AuthMadera, CA6 GWhJan 1985Nov 2023 Water
Scott FlatNevada Irrigation DistrictNevada City, CA5 GWhJan 1985Oct 2023 Water
Sacramento Municipal Util DistSouth Sutter Water DistrictSacramento, CA24 GWhJan 1985Aug 2023 Water
Friant Hydro FacilityFriant Power AuthorityFriant, CA106 GWhMar 1985Dec 2023 Water
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA18 TWhApr 1985Feb 2025 Nuclear
Municipal Cogen PlantPalm Springs City ofPalm Springs, CA7 GWhApr 1985Feb 2025 Natural Gas
New-Indy Ontario MillNew-Indy Ontario LLCOntario, CA247 GWhMay 1985Feb 2025 Natural Gas
Gas Utilization FacilityCity of San DiegoSan Diego, CA32 GWhMay 1985Feb 2025 Other Biomass Gas
Red MountainMetropolitan Water District of S CAFallbrook, CA23 GWhMay 1985Dec 2023 Water
Kern River CogenerationKern River Cogeneration CoBakersfield, CA238 GWhJun 1985Jan 2025 Natural Gas
WWTP Power Generation StationEast Bay Municipal Util DistOakland, CA29 GWhJul 1985Feb 2025 Other Biomass Gas : 98.8% Distillate Fuel Oil : 1.2%

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.474.5 TWh1,139
#5Southwest Power Pool296.3 TWh762
#6Southern Company Services, Inc. - Trans252.3 TWh393
#7California Independent System Operator189.5 TWh1,943
#8Tennessee Valley Authority158.9 TWh170
#10Florida Power & Light Co.148.5 TWh159
#12New York Independent System Operator130.9 TWh1,100
#13Duke Energy Carolinas111.3 TWh556
#15ISO New England103.6 TWh1,487
#16Bonneville Power Administration83.0 TWh158