Midcontinent Independent System Operator, Inc.

Balancing Authority Summary Information

Midcontinent Independent System Operator, Inc. is ranked #2 out of 65 balancing authorities in terms of total annual electricity generation.

Balancing AuthorityMidcontinent Independent System Operator, Inc.
States Arkansas Illinois Indiana Iowa Kentucky Louisiana Michigan Minnesota Mississippi Missouri Montana North Dakota South Dakota Texas Wisconsin
Last Update Nov 2025
Annual Generation 655.2 TWh
Power Plants2,831
Utilities1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 35.8% Coal | 29% Wind | 14.8% Nuclear | 13.9% Solar | 4.4% Water | 1.5% Other Fuel | 0.6%

Map of Midcontinent Independent System Operator, Inc.

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Daily Net Generation for Midcontinent Independent System Operator, Inc. for the past 3 Years

List of All Midcontinent Independent System Operator, Inc. Power Plants

Displaying Results 1 to 100 of 2,134
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Ada Cogeneration LPAda Cogeneration LLCAda, MI158 GWhSep 1990Dec 2024 Natural Gas
Ada DamEagle Creek Renewable Energy, LLCAda, MI2 GWhFeb 1984Dec 2024 Water
Morning Light Wind FarmMidAmerican Energy CoAdair, IA413 GWhSep 2012Dec 2024 Wind
Eclipse Wind FarmMidAmerican Energy CoAdair, IA830 GWhAug 2012Aug 2025 Wind
Adair Wind FarmMidAmerican Energy CoAdair, IA555 GWhNov 2008Dec 2024 Wind
Adams Wind FarmConsolidated Edison Development Inc.Adams, MN20 GWhAug 2003Dec 2024 Wind
Castle RockWisconsin River Power CompanyAdams, WI92 GWhJul 1950Dec 2024 Water
Adams PV PlantAdams PV Plant (WI)Adams, WI17 GWhJun 2023Dec 2024 Solar
Blue Elk IV Solar, LLCBlue Elk IV Solar, LLCAdrian, MI38 GWhNov 2023Dec 2024 Solar
Adrian Energy Associates LLCNextEra Renewable Fuels, LLCAdrian, MI8 GWhNov 1994Dec 2024 Landfill Gas
Novel MNDot Solar CSGREA Investments, LLCAfton, MN2 GWhOct 2020Dec 2024 Solar
SV CSG AFTON ISV CSG Afton I, LLCAfton, MN642 MWhJun 2024Dec 2024 Solar
Albany SolarEnel Green Power NA, Inc.Albany, MN19 GWhNov 2016Dec 2024 Solar
Stearns Community Solar One LLC CSGMadison Energy Holdings LLCAlbany, MN2 GWhNov 2019Dec 2024 Solar
Stearns Solar IStearns Solar I LLCAlbany, MN2 GWhAug 2019May 2024 Solar
FastSun 3 CSGAltus Power America Management, LLCAlbany, MN2 GWhNov 2019Dec 2024 Solar
Schwinghamer Project CSGSchwinghamer Community Solar LLCAlbany, MN2 GWhNov 2019Dec 2024 Solar
Novel Reber Solar CSGREA Investments, LLCAlbany, MN2 GWhOct 2019Dec 2024 Solar
Goose Lake MN DPC-GMENGIE Generation North America LLCAlbert Lea, MN3 GWhJan 2019Dec 2024 Solar
REG Juhl Glenville Wind, LLCREG Juhl Glenville Wind, LLCAlbert Lea, MN9 GWhNov 2020Dec 2024 Wind
River Fork Solar, LLCRiver Fork Solar, LLCAlbion, MI243 GWhSep 2024Aug 2025 Solar
Shipsterns Solar, LLCShipsterns Solar, LLCAlbion, MI35 GWhSep 2023Dec 2024 Solar
The Andersons Albion Ethanol LLCThe Andersons Albion Ethanol LLCAlbion, MI63 GWhJul 2006Dec 2024 Natural Gas
Leonardo Wind 1 LLCLeonardo Wind 1 LLCAlden, IA10 GWhNov 2016Dec 2024 Wind
D G HunterCity of Alexandria - (LA)Alexandria, LA69 GWhApr 1965Dec 2024 Natural Gas
AlexandriaCity of Alexandria - (MN)Alexandria, MN43 MWhDec 1947Dec 2024 Distillate Fuel Oil
Allegan DamConsumers Energy Co - (MI)Allegan, MI12 GWhDec 1934Dec 2024 Water
Grand Valley Solar GardensConsumers Energy Co - (MI)Allendale, MI4 GWhMar 2016Aug 2025 Solar
Pine River Solar ParkDTE Electric CompanyAlma, MI56 GWh-Aug 2025 Solar
John P MadgettDairyland Power CoopAlma, WI1 TWhOct 1979Aug 2025 Subbituminous Coal : 99.7%
Ninth Street Hydropower ProjectEagle Creek Renewable Energy, LLCAlpena, MI7 GWhAug 1990Dec 2024 Water
Four Mile Hydropower ProjectEagle Creek Renewable Energy, LLCAlpena, MI9 GWhAug 1990Dec 2024 Water
Norway Point Hydropower ProjectEagle Creek Renewable Energy, LLCAlpena, MI15 GWhAug 1990Dec 2024 Water
Alpena Cement PlantLafarge CorpAlpena, MI176 GWhDec 1951Aug 2025 Petroleum Coke : 82.5% Natural Gas : 17.5%
Decorative Panels IntlDecorative Panels International, Inc.Alpena, MI43 GWhOct 1957Dec 2023 Natural Gas : 79.6% Wood/Wood Waste Solids : 20.4%
AlseyPrairie Power, IncAlsey, IL39 GWhMay 1999Dec 2024 Natural Gas
Storm Lake 1ALLETE Clean EnergyAlta, IA85 GWhApr 1999Dec 2024 Wind
Storm Lake IIALLETE Clean EnergyAlta, IA114 GWhMar 1999Dec 2024 Wind
AltamontCity of Altamont - (IL)Altamont, IL56 MWhDec 2001Dec 2024 Distillate Fuel Oil
Winona GardenWinona Garden LLCAltura, MN2 GWhOct 2023Dec 2024 Solar
USS Bluff Country Solar CSGUnited States Solar CorporationAltura, MN2 GWhNov 2020Dec 2024 Solar
Winona SolarWinona Solar I LLCAltura, MN2 GWhJul 2019Dec 2024 Solar
NCAH Central Utility PlantNational Centers for Animal HealthAmes, IA3 GWhMay 1996Aug 2025 Natural Gas : 96.9% Distillate Fuel Oil : 3.1%
Michelangelo Wind 4 LLCMichelangelo Wind 4 LLCAmes, IA10 GWhNov 2016Dec 2024 Wind
Iowa State UniversityIowa State UniversityAmes, IA81 GWhSep 1960Aug 2025 Natural Gas
Ames GTCity of Ames - (IA)Ames, IA420 MWhApr 1972Dec 2024 Distillate Fuel Oil
Ames Electric Services Power PlantCity of Ames - (IA)Ames, IA306 GWhApr 1968Dec 2024 Natural Gas : 90.9% Other Biomass Solids : 9.1%
IA - City of Ames - Airport RoadForefront Power, LLCAmes, IA3 GWhNov 2020Dec 2024 Solar
ISU Customer Hosted 1MW Solar ProjectInterstate Power and Light CoAmes, IA2 GWhApr 2024Dec 2024 Solar
Green Energy MachineGreen Energy Machine, LLCAnita, IA7 GWhMay 2016Dec 2024 Wind
RosemanRoseman Energy, LLCAnita, IA7 GWhJan 2017Dec 2024 Wind
AnitaCity of Anita - (IA)Anita, IA13 MWhSep 1939Dec 2024 Distillate Fuel Oil
Peoples Generating StationNorth American Natural ResAnn Arbor, MI17 GWhAug 1995Dec 2023 Landfill Gas
Warner LambertUniversity of Michigan NCampus ResearchAnn Arbor, MI23 GWhJul 1989Aug 2025 Natural Gas
University of MichiganUniversity of MichiganAnn Arbor, MI205 GWhDec 1974Aug 2025 Natural Gas
Domino Farms SolarDTE Electric CompanyAnn Arbor, MI1 GWhAug 2015Aug 2025 Solar
Annandale SolarEnel Green Power NA, Inc.Annandale, MN12 GWhNov 2016Dec 2024 Solar
Schueler Community SolarSchueler Community Solar LLCAnnandale, MN2 GWhJul 2020Dec 2024 Solar
Antigo-Forrest Street Solar ProjectWisconsin Public Service CorpAntigo, WI279 MWhOct 2024Dec 2024 Solar
Apple Canyon Lake SolarACM Solar, LLC.Apple River, IL3 GWhNov 2020Dec 2024 Solar
Kimberly MillCity of KaukaunaAppleton, WI14 GWhDec 1925Dec 2024 Water
AppletonWisconsin Electric Power CoAppleton, WI6 GWhJul 1916Dec 2024 Water
Arcadia ElectricCity of Arcadia - (WI)Arcadia, WI150 MWhDec 1929Dec 2024 Distillate Fuel Oil : 67.3% Natural Gas : 32.7%
Arcadia SolarButter Solar, LLCArcadia, WI8 GWhAug 2019Dec 2024 Solar
Zimmerman EnergyLandfill Energy SystemsArgos, IN38 GWhOct 2014Aug 2025 Landfill Gas
ArgyleCity of Argyle - (WI)Argyle, WI24 MWhDec 1928Dec 2024 Water : 87.5% Distillate Fuel Oil : 12.5%
DegrayUSCE -Vickburg DistrictArkadelphia, AR207 GWhJan 1972Aug 2025 Water
Veolia (Gum Springs)Today's Power, Inc.Arkadelphia, AR3 GWhJul 2024Dec 2024 Solar
South Central Electric CooperativeToday's Power, Inc.Arkadelphia, AR2 GWhJul 2019Dec 2024 Solar
Clearwater Paper APP CBClearwater Paper CorporationArkansas City, AR126 GWhOct 1977Dec 2024 Black Liquor : 61.7% Natural Gas : 38.1%
White River (WI)Northern States Power Co - MinnesotaAshland, WI4 GWhDec 1906Dec 2024 Water
Bay FrontNorthern States Power Co - MinnesotaAshland, WI160 GWhDec 1948Dec 2024 Wood/Wood Waste Solids : 95.3% Tire-derived Fuels : 4.1% Natural Gas : 0.6%
Polaris Solar ParkDTE Electric CompanyAshley, MI46 GWh-Aug 2025 Solar
Tatanka Wind Power LLCAcciona Wind Energy USA LLCAshley, ND463 GWhDec 2007Aug 2025 Wind
Prairie Wolf Solar LLCNational Grid RenewablesAshmore Township, IL376 GWhOct 2021Aug 2025 Solar
Otter Creek Ethanol Poet - AshtonOtter Creek Ethanol LLC - Poet AshtonAshton, IA43 GWhFeb 2004Aug 2025 Natural Gas
The GSI Group LLC at AssumptionLuminace Solar Illinois 2, LLCAssumption, IL2 GWhDec 2020Dec 2024 Solar
Astoria StationOtter Tail Power CoAstoria, SD401 GWhMar 2021Aug 2025 Natural Gas
Athens MN CONXSoCore Energy LLCAthens, MN10 GWhNov 2018Dec 2024 Solar
AtlanticAtlantic Municipal UtilitiesAtlantic, IA110 MWhAug 1966Dec 2024 Natural Gas
USS Turkey Solar LLC CSGStandard SolarAtwater, MN2 GWhDec 2019Dec 2024 Solar
Atwater SolarEnel Green Power NA, Inc.Atwater, MN8 GWhNov 2016Dec 2024 Solar
Rafterville SolarRafterville Solar, LLCAtwater, MN2 GWhJun 2023Dec 2024 Solar
Heartland Divide IIHeartland Divide IIAudubon, IA805 GWhFeb 2022Aug 2025 Wind
Woodruff County SolarArkansas Electric Coop CorpAugusta, AR202 GWhSep 2024Aug 2025 Solar
Agassiz Beach LLCCHI Operations IncAverill, MN4 GWhJan 2001Dec 2024 Wind
Greenwood (MI)DTE Electric CompanyAvoca, MI928 GWhJun 1979Aug 2025 Natural Gas
Greenwood Solar FarmDTE Electric CompanyAvoca, MI2 GWhDec 2015Aug 2025 Solar
Diamond Willow Wind FacilityMontana-Dakota Utilities CoBaker, MT86 GWhNov 2007Dec 2024 Wind
Timmerman (CSG)Elora LLCBalaton, MN2 GWhNov 2022Dec 2024 Solar
Baldwin Solar BESSVistra CorpBaldwin, IL107 GWhNov 2024Aug 2025 Solar
Baldwin Energy ComplexDynegy Midwest Generation IncBaldwin, IL7 TWhJun 1970Aug 2025 Subbituminous Coal : 99.8%
TecheCleco Power LLCBaldwin, LA21 GWhJun 1953Dec 2024 Natural Gas
Georgetown (Polk Burnett)Greenbacker Renewable Energy CorporationBalsam Lake, WI4 GWhOct 2023Dec 2024 Solar
BancroftBancroft Municipal UtilitiesBancroft, IA96 MWhDec 1947Dec 2024 Distillate Fuel Oil
BarronCity of Barron - (WI)Barron, WI342 MWhJul 1923Dec 2024 Water
Barron Solar ArrayAEP Onsite Partners, LLCBarron, WI6 GWhJul 2021Dec 2024 Solar
Rugby Wind Power ProjectAvangrid Power LLCBarton, ND335 GWhNov 2009Dec 2024 Wind
LSU CogenLSU and A&M CollegeBaton Rouge, LA870 MWhNov 2004Aug 2025 Natural Gas
Formosa PlasticsFormosa Plastics CorpBaton Rouge, LA402 GWhApr 1985Dec 2024 Natural Gas

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC870.3 TWh2,465
#2Midcontinent Independent System Operator, Inc.655.2 TWh2,831
#4Electric Reliability Council of Texas, Inc.484.6 TWh1,313
#5Southwest Power Pool299.8 TWh835
#6Southern Company Services, Inc. - Trans250.6 TWh417
#7California Independent System Operator188.1 TWh2,075
#9Tennessee Valley Authority161.5 TWh204
#10Florida Power & Light Co.148.6 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.7 TWh565