2. Balancing Authorities
  3. California Independent System Operator

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 190.1 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 | 43.8% Solar | 24.9% Water | 11.4% Wind | 10.7% Nuclear | 9.7%

Map of California Independent System Operator

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for California Independent System Operator.

Create Your Account Today

Daily Net Generation for California Independent System Operator for the past 3 Years

List of All California Independent System Operator Power Plants

Displaying Results 1 to 100 of 1,285
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Blythe Energy IncAltaGas Blythe Operations IncBlythe, CA577 GWhNov 2003Mar 2025 Natural Gas
J S EastwoodSouthern California Edison CoShaver Lake, CA7 GWhNov 1987Mar 2025 Water
Elk Hills Power LLCElk Hills Power LLCTupman, CA3 TWhJun 2003Mar 2025 Natural Gas
Loma Linda University CogenLoma Linda UniversityLoma Linda, CA62 GWhJan 1980Mar 2025 Natural Gas
Richmond CogenChevron Products Company-RichmondRichmond, CA962 GWhJul 1992Mar 2025 Natural Gas : 97.1% Other Gas : 2.9%
Naval Hospital Medical CenterDepartment of the NavySan Diego, CA11 GWhNov 2003Mar 2025 Natural Gas
E F Oxnard Energy FacilityEF Oxnard, LLCOxnard, CA9 GWhMay 1990Mar 2025 Natural Gas
Encina Water Pollution ControlEncina Joint Powers AuthorityCarlsbad, CA14 GWhOct 2008Mar 2025 Other Biomass Gas : 96.0% Natural Gas : 4.0%
Southeast Kern River CogenChevron USA IncBakersfield, CA58 GWhJan 1989Mar 2025 Natural Gas
Caribou 2Pacific Gas & Electric Co.Belden, CA358 GWhOct 1958Mar 2025 Water
Western Power & Steam IncWestern Power and Steam II LLCBakersfield, CA20 GWhFeb 1990Mar 2025 Natural Gas
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA30 GWhFeb 1990Mar 2025 Natural Gas
Salinas River CogenerationSalinas River Cogeneration CoSan Ardo, CA256 GWhOct 1991Mar 2025 Natural Gas
Desert Star Energy CenterDesert Star Energy Center SDG&EBoulder City, NV784 GWhApr 2000Mar 2025 Natural Gas
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA416 GWhApr 1983Mar 2025 Water
Lockhart Solar PV, LLCTerra-Gen Operating Co-SolarHinkley, CA228 GWhNov 1989Mar 2025 Solar
Solano WindSacramento Municipal Util DistRio Vista, CA697 GWhMay 1994Mar 2025 Wind
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Mar 2025 Natural Gas : 85.1% Other Gas : 14.7%
Bear Mountain LimitedWCAC Operating CompanyBakersfield, CA29 GWhMar 1995Mar 2025 Natural Gas
ElectraPacific Gas & Electric Co.Jackson, CA252 GWhMay 1948Mar 2025 Water
HaasPacific Gas & Electric Co.Balch Camp, CA430 GWhNov 1958Mar 2025 Water
Geothermal 2Northern California Power AgnyMiddletown, CA303 GWhNov 1985Mar 2025 Geothermal
Municipal Cogen PlantPalm Springs City ofPalm Springs, CA7 GWhApr 1985Mar 2025 Natural Gas
Humboldt BayPacific Gas & Electric Co.Eureka, CA360 GWhAug 2010Mar 2025 Natural Gas : 99.6%
James B BlackPacific Gas & Electric Co.Big Bend, CA380 GWhNov 1965Mar 2025 Water
Live Oak LimitedWCAC Operating CompanyBakersfield, CA12 GWhFeb 1992Mar 2025 Natural Gas
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA3 TWhNov 1967Mar 2025 Natural Gas
Collierville PowerhouseNorthern California Power AgnyMurphys, CA496 GWhOct 1989Mar 2025 Water
CP Kelco San Diego PlantCP Kelco US Inc.San Diego, CA76 GWhSep 1983Mar 2025 Natural Gas
PE BerkeleyBerkeley Cogeneration FacilityBerkeley, CA156 GWhMay 1987Mar 2025 Natural Gas
King City Power PlantCalpine King City Cogen LLCKing City, CA42 GWhJan 1989Mar 2025 Natural Gas
Kaweah Delta District HospitalKaweah Delta HospitalVisalia, CA21 GWhSep 2008Mar 2025 Natural Gas
Pit 4Pacific Gas & Electric Co.Big Bend, CA388 GWhJun 1955Mar 2025 Water
Pit 5Pacific Gas & Electric Co.Big Bend, CA472 GWhMar 1944Mar 2025 Water
Pit 7Pacific Gas & Electric Co.Montgomery Creek, CA319 GWhAug 1965Mar 2025 Water
PoePacific Gas & Electric Co.Storrie, CA315 GWhSep 1958Mar 2025 Water
Rock CreekPacific Gas & Electric Co.Storrie, CA609 GWhFeb 1950Mar 2025 Water
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA468 GWhFeb 1984Mar 2025 Geothermal
Humboldt Sawmill CompanyMendocino Forest ProductsScotia, CA111 GWhDec 1937Mar 2025 Wood/Wood Waste Solids : 99.7%
Coso Finance PartnersCoso Operating Co LLCInyokern, CA375 GWhJun 1987Mar 2025 Geothermal
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA24 GWhMar 1987Mar 2025 Natural Gas
Gas Utilization FacilityCity of San DiegoSan Diego, CA32 GWhMay 1985Mar 2025 Other Biomass Gas
Berry CogenBerry Petroleum CoTaft, CA14 GWhNov 1986Mar 2025 Natural Gas
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Mar 2025 Geothermal
Argus Cogen PlantSearles Valley Minerals Operations Inc.Trona, CA256 GWhNov 1947Mar 2025 Bituminous Coal : 94.3% Natural Gas : 5.7%
Pine FlatKings River Conservation DistPiedra, CA449 GWhDec 1983Mar 2025 Water
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA75 GWhAug 1983Mar 2025 Other Gas : 80.9% Waste Heat : 19.1%
Wheelabrator ShastaShasta Sustainable Resource Management, Inc.Anderson, CA278 GWhSep 1987Mar 2025 Wood/Wood Waste Solids
Delta Energy CenterDelta Energy Center LLCPittsburg, CA3 TWhApr 2002Mar 2025 Natural Gas
Crockett Cogen ProjectCrockett CogenerationCrockett, CA1 TWhNov 1995Mar 2025 Natural Gas
Saint Agnes Medical CenterSaint Agnes Medical CenterFresno, CA26 GWhApr 2001Mar 2025 Natural Gas
Big Creek 3Southern California Edison CoAuberry, CA587 GWhAug 1923Mar 2025 Water
Big Creek 4Southern California Edison CoNorth Fork, CA357 GWhMay 1951Mar 2025 Water
Kern River Eastridge CogenChevron USA IncBakersfield, CA215 GWhMay 1988Mar 2025 Natural Gas
Big Creek 2ASouthern California Edison CoAuberry, CA326 GWhJul 1928Mar 2025 Water
Taft 26C CogenChevron USA IncTaft, CA52 GWhJun 1982Mar 2025 Natural Gas
Biola University HybridBiola UniversityLa Mirada, CA12 GWhMar 1990Mar 2025 Natural Gas
Goal Line LPGoal Line LPEscondido, CA11 GWhJul 1994Mar 2025 Natural Gas
Midway Sunset CogenMidway-Sunset Cogeneration CoFellows, CA255 GWhApr 1989Mar 2025 Natural Gas
Dixie ValleyOrmat Nevada IncFallon, NV303 GWhMay 1988Mar 2025 Geothermal
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA476 GWhNov 1985Mar 2025 Natural Gas
La Paloma Generating PlantCXA La Paloma LLCMcKittrick, CA2 TWhDec 2002Mar 2025 Natural Gas
Geothermal 1Northern California Power AgnyMiddletown, CA389 GWhDec 1982Mar 2025 Geothermal
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987Mar 2025 Natural Gas : 99.6%
Childrens HospitalDTE San Diego COGEN Inc.San Diego, CA26 GWhMar 2000Mar 2025 Natural Gas
Pebbly Beach Generating Station HybridSouthern California Edison CoAvalon, CA29 GWhJun 1958Mar 2025 Distillate Fuel Oil : 94.6% Gaseous Propane : 5.4%
Metcalf Energy CenterCalpine Corp - Metcalf Energy CenterSan Jose, CA2 TWhMay 2005Mar 2025 Natural Gas
Mammoth PoolSouthern California Edison CoNorth Fork, CA394 GWhFeb 1960Mar 2025 Water
Ormond BeachOrmond Beach Power, LLCOxnard, CA45 GWhJul 1971Mar 2025 Natural Gas
Big Creek Water WorksBig Creek Water Works LtdHyampom, CA12 GWhDec 1986Mar 2025 Water
New-Indy Ontario MillNew-Indy Ontario LLCOntario, CA246 GWhMay 1985Mar 2025 Natural Gas
Greenleaf 2 Power PlantGreenleaf Energy LLCYuba City, CA33 GWhSep 1989Mar 2025 Natural Gas
California Institute of TechnologyCalifornia Institute-TechnologyPasadena, CA59 GWhJul 2003Mar 2025 Natural Gas
Mountainview Generating StationSouthern California Edison CoRedlands, CA2 TWhNov 2005Mar 2025 Natural Gas
Dynegy Oakland Power PlantDynegy Oakland, LLCOakland, CA2 GWhOct 1978Mar 2025 Jet Fuel
San Jose CogenerationSan Jose State University Fclts Dev &OpsSan Jose, CA34 GWhNov 1984Mar 2025 Natural Gas
Dion R HolmCity & County of San FranciscoGroveland, CA497 GWhJul 1960Mar 2025 Water
MoccasinCity & County of San FranciscoMoccasin, CA278 GWhJul 1969Mar 2025 Water
R C KirkwoodCity & County of San FranciscoGroveland, CA417 GWhJan 1967Mar 2025 Water
Chalk Cliff LimitedWCAC Operating CompanyBakersfield, CA11 GWhFeb 1990Mar 2025 Natural Gas
US BoraxU S Borax IncBoron, CA271 GWhJun 1984Mar 2025 Natural Gas
San Diego State UniversitySan Diego State UniversitySan Diego, CA49 GWhAug 2002Mar 2025 Natural Gas : 97.9% Solar : 2.1%
Coso Power DevelopersCoso Operating Co LLCInyokern, CA308 GWhOct 1989Mar 2025 Geothermal
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA2 TWhSep 2009Mar 2025 Natural Gas
Pastoria Energy Facility, LLCCalpine Corp - Pastoria Energy CenterLebec, CA4 TWhApr 2005Mar 2025 Natural Gas
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CA5 GWhJul 1981Mar 2025 Other Biomass Gas : 93.4% Natural Gas : 6.6%
High Desert Power PlantMRP Generation Holdings, LLCVictorville, CA4 TWhMar 2003Mar 2025 Natural Gas
Painted Hills Wind ParkTerra-Gen Operating Co-WindWhitewater, CA171 GWhOct 1985Mar 2025 Wind
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA484 GWhJun 1982Mar 2025 Natural Gas
Martinez RefiningMartinez Refining CoMartinez, CA788 GWhOct 1995Mar 2025 Natural Gas : 96.0% Other Gas : 4.0%
Middle ForkPlacer County Water AgencyForesthill, CA458 GWhSep 1966Mar 2025 Water
Puente Hills Energy RecoveryLos Angeles County SanitationWhittier, CA158 GWhSep 1986Mar 2025 Landfill Gas
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA18 TWhApr 1985Mar 2025 Nuclear
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA750 GWhNov 1972Mar 2025 Water
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Mar 2025 Water
ThermalitoCalifornia Dept. of Water ResourcesOroville, CA340 GWhJan 1968Mar 2025 Water
ColgateYuba County Water AgencyDobbins, CA1 TWhSep 1969Mar 2025 Water
Berry Cogen Tanne Hills 18Berry Petroleum CoMaricopa, CA139 GWhNov 1986Mar 2025 Natural Gas
McKittrick LimitedWCAC Operating CompanyBakersfield, CA10 GWhSep 1991Mar 2025 Natural Gas
Pacific-Ultrapower Chinese StationIHI Power Services CorpJamestown, CA147 GWhSep 1986Mar 2025 Wood/Wood Waste Solids : 99.6%

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#26Arizona Public Service Company22.9 TWh75
#55Arlington Valley, LLC3.4 TWh1
#35Balancing Authority of Northern California15.1 TWh83
#48Imperial Irrigation District5.9 TWh65
#32Los Angeles Department of Water and Power17.6 TWh120
#22Nevada Power Company38.3 TWh136
#54New Harquahala Generating Company, LLC3.5 TWh1
#18Salt River Project Agricultural Improvement and Power District58.7 TWh45
#58Turlock Irrigation District2.1 TWh11
#44Western Area Power Administration - Desert Southwest Region8.2 TWh30

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.476.0 TWh1,139
#5Southwest Power Pool297.0 TWh762
#6Southern Company Services, Inc. - Trans251.8 TWh393
#7California Independent System Operator190.1 TWh1,943
#8Tennessee Valley Authority158.8 TWh170
#10Florida Power & Light Co.148.3 TWh159
#12New York Independent System Operator130.6 TWh1,100
#13Duke Energy Carolinas111.4 TWh556
#15ISO New England103.2 TWh1,487
#16Bonneville Power Administration82.2 TWh158