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 655.1 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 | 35.7% Coal | 29% Wind | 14.9% Nuclear | 13.9% Solar | 4.5% 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 401 to 500 of 2,137
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
International Paper Vicksburg MillInternational Paper Co-VicksbgVicksburg, MS233 GWhDec 1966Sep 2025 Black Liquor : 52.7% Natural Gas : 28.5% Wood/Wood Waste Solids : 18.8%
Unbridled SolarNational Grid RenewablesRobards, KY232 GWh-Sep 2025 Solar
Prairie State Solar ProjectPrairie State Solar, LLCSwanwick Township, IL231 GWhJun 2021Sep 2025 Solar
Gratiot County Wind LLCInvenergy Services LLCBreckenridge, MI228 GWhApr 2012Dec 2024 Wind
Walnut Bend Solar Station PVWalnut Bend Solar StationMoro, AR227 GWhAug 2024Sep 2025 Solar
Paris (WI)Wisconsin Electric Power CoUnion Grove, WI227 GWhFeb 1995Dec 2024 Natural Gas
Assembly Solar II LLCAssembly Solar II LLCLennon, MI227 GWhNov 2021Sep 2025 Solar
CITGO Refinery PowerhouseCITGO Petroleum CorpSulphur, LA226 GWhDec 1941Dec 2024 Other Gas
Port Arthur Texas RefineryTotal Petrochemicals USA IncPort Arthur, TX226 GWhJul 1988Dec 2024 Natural Gas : 75.0% Other Gas : 25.0%
Gratiot Wind ParkDTE Electric CompanyBreckenridge, MI225 GWhOct 2011Sep 2025 Wind
Prairie Mist SolarPrairie Mist Solar Project, LLCMontrose, AR225 GWhAug 2024Sep 2025 Solar
Blue Bird Solar, LLCBlue Bird Solar, LLCWarrenton, MO224 GWhNov 2024Sep 2025 Solar
Bison 3 Wind Energy CenterALLETE, Inc.New Salem, ND223 GWhNov 2012Dec 2024 Wind
Happy Solar 1Lightsource Renewable Energy Asset Management, LLCSearcy, AR221 GWhSep 2023Sep 2025 Solar
Chicot SolarChicot Solar, LLCLake Village, AR220 GWhAug 2020Sep 2025 Solar
Woodruff County SolarArkansas Electric Coop CorpAugusta, AR219 GWhSep 2024Sep 2025 Solar
Bison 2 Wind Energy CenterALLETE, Inc.New Salem, ND219 GWhNov 2012Dec 2024 Wind
Ragsdale Solar LLCRagsdale Solar, LLCCanton, MS214 GWhOct 2024Sep 2025 Solar
Bayou Galion Solar ProjectBayou Galion Solar Project, LLCMer Rouge, LA211 GWhOct 2024Sep 2025 Solar
University of Illinois Abbott Power PltUniversity of IllinoisChampaign, IL211 GWhOct 1940Dec 2024 Natural Gas : 97.4% Bituminous Coal : 2.6%
DegrayUSCE -Vickburg DistrictArkadelphia, AR211 GWhJan 1972Sep 2025 Water
Independence Wind FarmIndependence Wind Energy LLCManchester, IA211 GWhNov 2021Sep 2025 Wind
Wapello Solar LLCWapello Solar LLCWapello, IA210 GWhFeb 2021Sep 2025 Solar
Crossett SolarCubico USA, LLCCrossett, AR210 GWhAug 2024Sep 2025 Solar
Roquette AmericaRoquette AmericaKeokuk, IA209 GWhJun 2004Sep 2025 Natural Gas
Quartz Solar, LLCQuartz Solar, LLCWynne, AR209 GWh-Sep 2025 Solar
Holliday Creek SolarMidAmerican Energy CoFort Dodge, IA209 GWhJun 2022Sep 2025 Solar
University of MichiganUniversity of MichiganAnn Arbor, MI209 GWhDec 1974Sep 2025 Natural Gas
Atlantic Alumina, Gramercy OperationsAtalco Gramercy LLCGramercy, LA208 GWhJan 1958Dec 2024 Natural Gas
Hoosier Wind Project LLCAES IndianaGoodland, IN208 GWhOct 2009Dec 2023 Wind
Posey SolarSouthern Indiana Gas & Elec CoMount Vernon, IN207 GWh-Sep 2025 Solar
Searcy Solar HybridSearcy Solar, LLCSearcy, AR207 GWhDec 2021Sep 2025 Solar
Elm Creek Wind II LLCAvangrid Power LLCTrimont, MN205 GWhNov 2010Dec 2024 Wind
Point Beach SolarPoint Beach SolarTwo Creeks, WI204 GWhAug 2021Sep 2025 Solar
Fairbanks Wind ParkDTE Electric CompanyGarden, MI203 GWhDec 2021Sep 2025 Wind
Springfield Solar (WI)Wisconsin Power & Light CoLomira, WI203 GWhNov 2023Sep 2025 Solar
Harvest 2Harvest II Windfarm, LLCElkton, MI202 GWhOct 2012Dec 2024 Wind
Wildflower Solar, LLC (MS)Duke Energy Renewables ServicesDeSoto, MS201 GWhApr 2024Sep 2025 Solar
St. Mary Clean Energy CenterCleco Power LLCCenterville, LA201 GWhJul 2019Dec 2024 Waste Heat
Shelby Energy CountyShelby County Energy Center, LLCNeoga, IL201 GWhMay 2000Dec 2024 Natural Gas
Lake Charles PolymersEquistar Chemicals LPWestlake, LA201 GWhAug 2011Sep 2025 Natural Gas
Badger Hollow IIWisconsin Electric Power CoCobb, WI200 GWhNov 2023Sep 2025 Solar
Green River SolarGreen River Solar, LLCGuston, KY200 GWh-Sep 2025 Solar
Wilton Wind II LLCWilton Wind II LLCWilton, ND200 GWhOct 2009Dec 2024 Wind
Edison SaultCloverland Electric Co-opSault Ste. Marie, MI199 GWhJun 1901Dec 2024 Water
Sam Rayburn DamUSACE-Fort Worth DistrictJasper, TX199 GWhAug 1965Dec 2024 Water
Osceola Windpower IIOsceola Windpower IIHarris, IA197 GWhAug 2008Sep 2025 Wind
Cereal City Solar, LLCCereal City Solar, LLCBattle Creek, MI197 GWhNov 2023Sep 2025 Solar
MU Combined Heat and Power PlantCurators of the University of MissouriColumbia, MO196 GWhJun 1961Sep 2025 Natural Gas : 73.6% Wood/Wood Waste Solids : 23.7% Bituminous Coal : 2.6%
Jeffers Wind 20 LLCNorthern States Power Co - MinnesotaJeffers, MN195 GWhSep 2008Dec 2024 Wind
Worthington Generation LLCHoosier Energy R E C, IncWorthington, IN195 GWhMay 2000Dec 2024 Natural Gas
Hardin County Peaking FacilityEntergy Texas Inc.Kountze, TX195 GWhJun 2001Dec 2024 Natural Gas
Badger Hollow IWisconsin Public Service CorpMontfort, WI195 GWhOct 2021Sep 2025 Solar
Two Creeks SolarWisconsin Public Service CorpTwo Rivers, WI194 GWhOct 2020Sep 2025 Solar
Harvest Gold SolarHarvest Gold Solar Power, LLCIndianola, MS193 GWhJul 2024Sep 2025 Solar
Franklin County Wind FarmInterstate Power and Light CoIowa Falls, IA191 GWhNov 2012Dec 2024 Wind
SumpterWolverine Power Supply CoopBelleville, MI190 GWhJun 2002Dec 2024 Natural Gas
FPL Energy Burleigh County WindFPL Energy Burleigh County Wind LLCWilton, ND190 GWhNov 2005Dec 2024 Wind
Sauk Solar ParkDTE Electric CompanyUnion City, MI188 GWh-Sep 2025 Solar
Wautoma SolarWisconsin Power & Light CoWautoma, WI187 GWhNov 2023Sep 2025 Solar
Beebe 1ABeebe Renewable Energy, LLCIthaca, MI187 GWhNov 2012Dec 2024 Wind
Georgia-Pacific Corp - Nekoosa MillDomtar Industries IncNekoosa, WI186 GWhDec 1911Sep 2025 Black Liquor : 43.1% Natural Gas : 42.5% Water : 14.4%
North Star Solar ProjectNorth Star Solar PV LLCNorth Branch, MN181 GWhNov 2016Sep 2025 Solar
FPL Energy Oliver Wind II LLCFPL Energy Oliver County Wind II LLCCenter, ND181 GWhNov 2007Dec 2024 Wind
ManitowocManitowoc Public UtilitiesManitowoc, WI179 GWhMay 1955Sep 2025 Wood/Wood Waste Solids : 91.2% Petroleum Coke : 4.8% Bituminous Coal : 3.6%
Calhoun County Solar ProjectAES Clean EnergySheridan Township, MI179 GWh-Sep 2025 Solar
Elk Wind FarmGreenbacker Renewable Energy CorporationGreeley, IA178 GWhNov 2011Dec 2024 Wind
Alpena Cement PlantLafarge CorpAlpena, MI177 GWhDec 1951Sep 2025 Petroleum Coke : 83.7% Natural Gas : 16.3%
FPL Energy Oliver Wind I LLCFPL Energy Oliver County WindCenter, ND177 GWhNov 2006Dec 2024 Wind
New Orleans PowerEntergy New Orleans, LLCNew Orleans, LA176 GWhApr 2020Sep 2025 Natural Gas
Elm Creek Wind LLCAvangrid Power LLCTrimont, MN176 GWhNov 2008Dec 2024 Wind
Hawkeye Power Partners LLCHawkeye Power Partners LLCGarner, IA176 GWhMar 1999Dec 2024 Wind
ConcordWisconsin Electric Power CoWatertown, WI175 GWhJun 1993Dec 2024 Natural Gas : 99.8%
Cedar RidgeWisconsin Power & Light CoEden, WI175 GWhNov 2008Dec 2024 Wind
Hawkeye Wind FarmGreenbacker Renewable Energy CorporationSumner, IA173 GWhSep 2012Dec 2024 Wind
Syl LaskinALLETE, Inc.Hoyt Lakes, MN172 GWhMay 1953Dec 2024 Natural Gas
Langdon Wind II LLCFPL Energy Langdon Wind LLCOsnabrock, ND171 GWhAug 2008Dec 2024 Wind
Morris SolarAES Clean EnergyKirksville, MO171 GWh-Sep 2025 Solar
A.J. Mihm Generating StationUpper Michigan Energy Resources CompanyPelkie, MI170 GWhFeb 2019Dec 2024 Natural Gas
Univ Minnesota CHP PlantUniversity of Minnesota Central UtilitiesMinneapolis, MN166 GWhOct 2017Dec 2024 Natural Gas : 99.9%
Covanta Hennepin EnergyCovanta Energy CoMinneapolis, MN166 GWhSep 1989Sep 2025 Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.7%
Bison I Wind Energy CenterALLETE, Inc.New Salem, ND166 GWhNov 2010Dec 2024 Wind
Otsego Mill Power PlantOtsego Paper IncOtsego, MI165 GWhOct 1995Dec 2024 Natural Gas
Cerro Gordo Wind FarmCerro Gordo Wind FarmUnion, IA165 GWhJul 2020Sep 2025 Wind
Grayling Generating StationNorthStar Clean EnergyGrayling, MI165 GWhApr 1992Dec 2024 Wood/Wood Waste Solids : 99.8%
Red Rock Hydro PlantWestern Minnesota Mun Pwr AgnyPella, IA165 GWhApr 2021Sep 2025 Water
Assembly Solar IIIAssembly Solar III, LLCLennon, MI164 GWhDec 2021Sep 2025 Solar
Marquette Energy CenterCity of Marquette - (MI)Marquette, MI162 GWhJul 2017Dec 2024 Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
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%
Blakely MountainUSCE -Vickburg DistrictRoyal, AR158 GWhAug 1955Dec 2024 Water
Ada Cogeneration LPAda Cogeneration LLCAda, MI158 GWhSep 1990Dec 2024 Natural Gas
Michigan Wind 1Michigan Wind 1, LLCUbly, MI158 GWhNov 2008Dec 2024 Wind
Mulligan Solar, LLCMulligan SolarBroadwell, IL157 GWhJun 2022Sep 2025 Solar
Saint Marys FallsUSACE-Detroit DistrictSault Ste. Marie, MI155 GWhJun 1932Dec 2024 Water
Stuttgart SolarStuttgart Solar, LLCStuttgart, AR155 GWhDec 2017Sep 2025 Solar
Rippey Wind FarmGreenbacker Renewable Energy CorporationGrand Junction, IA154 GWhJul 2012Dec 2024 Wind
Spiritwood StationGreat River EnergySpiritwood, ND154 GWhOct 2014Sep 2025 Natural Gas : 59.9% Refined Coal : 40.1%
Speedway Solar, LLCSpeedway Solar, LLCMorrison Town, IN154 GWh-Sep 2025 Solar
CF Industries Yazoo City ComplexCF Industries Nitrogen LLCYazoo City, MS153 GWhJun 1984Sep 2025 Natural Gas
Rothschild Biomass Cogen FacilityWisconsin Electric Power CoRothschild, WI153 GWhOct 2013Dec 2024 Wood/Wood Waste Solids : 97.4% Natural Gas : 2.6%

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC870.7 TWh2,465
#2Midcontinent Independent System Operator, Inc.655.1 TWh2,831
#4Electric Reliability Council of Texas, Inc.485.0 TWh1,313
#5Southwest Power Pool299.9 TWh835
#6Southern Company Services, Inc. - Trans250.9 TWh417
#7California Independent System Operator188.0 TWh2,075
#9Tennessee Valley Authority161.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.5 TWh565