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 Jan 2026
Annual Generation 656.9 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 | 35.4% Coal | 28.9% Wind | 15.1% Nuclear | 14% Solar | 4.6% 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 2,139
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Green River SolarGreen River Solar, LLCGuston, KY235 GWh-Oct 2025 Solar
Ragsdale Solar LLCRagsdale Solar, LLCCanton, MS233 GWhOct 2024Oct 2025 Solar
Crystal Lake 3 LLCCrystal Lake 3 LLCBritt, IA233 GWhNov 2009Oct 2025 Wind
International Paper Vicksburg MillInternational Paper Co-VicksbgVicksburg, MS233 GWhDec 1966Oct 2025 Black Liquor : 52.9% Natural Gas : 28.3% Wood/Wood Waste Solids : 18.8%
Quartz Solar, LLCQuartz Solar, LLCWynne, AR232 GWh-Oct 2025 Solar
Bayou Galion Solar ProjectBayou Galion Solar Project, LLCMer Rouge, LA230 GWhOct 2024Oct 2025 Solar
Dressor Plains Solar, LLCDressor Plains Solar, LLCHerrick, IL230 GWhAug 2021Oct 2025 Solar
Gratiot County Wind LLCInvenergy Services LLCBreckenridge, MI228 GWhApr 2012Dec 2024 Wind
Prairie Mist SolarPrairie Mist Solar Project, LLCMontrose, AR228 GWhAug 2024Oct 2025 Solar
Paris (WI)Wisconsin Electric Power CoUnion Grove, WI227 GWhFeb 1995Dec 2024 Natural Gas
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%
Consumer Operations LLCGeorgia-Pacific Consumer Oper. Green Bay LLCGreen Bay, WI224 GWhDec 1953Oct 2025 Natural Gas
Assembly Solar II LLCAssembly Solar II LLCLennon, MI224 GWhNov 2021Oct 2025 Solar
Bison 3 Wind Energy CenterALLETE, Inc.New Salem, ND223 GWhNov 2012Dec 2024 Wind
Gratiot Wind ParkDTE Electric CompanyBreckenridge, MI223 GWhOct 2011Oct 2025 Wind
Prairie State Solar ProjectPrairie State Solar, LLCSwanwick Township, IL222 GWhJun 2021Oct 2025 Solar
Bison 2 Wind Energy CenterALLETE, Inc.New Salem, ND219 GWhNov 2012Dec 2024 Wind
Happy Solar 1Lightsource Renewable Energy Asset Management, LLCSearcy, AR219 GWhSep 2023Oct 2025 Solar
Chicot SolarChicot Solar, LLCLake Village, AR216 GWhAug 2020Oct 2025 Solar
DegrayUSCE -Vickburg DistrictArkadelphia, AR214 GWhJan 1972Oct 2025 Water
Walnut Bend Solar Station PVWalnut Bend Solar StationMoro, AR213 GWhAug 2024Oct 2025 Solar
University of Illinois Abbott Power PltUniversity of IllinoisChampaign, IL211 GWhOct 1940Dec 2024 Natural Gas : 97.4% Bituminous Coal : 2.6%
Woodruff County SolarArkansas Electric Coop CorpAugusta, AR211 GWhSep 2024Oct 2025 Solar
University of MichiganUniversity of MichiganAnn Arbor, MI211 GWhDec 1974Oct 2025 Natural Gas
Roquette AmericaRoquette AmericaKeokuk, IA210 GWhJun 2004Oct 2025 Natural Gas
Crossett SolarCubico USA, LLCCrossett, AR208 GWhAug 2024Oct 2025 Solar
Atlantic Alumina, Gramercy OperationsAtalco Gramercy LLCGramercy, LA208 GWhJan 1958Dec 2024 Natural Gas
Hoosier Wind Project LLCAES IndianaGoodland, IN208 GWhOct 2009Dec 2023 Wind
Wapello Solar LLCWapello Solar LLCWapello, IA206 GWhFeb 2021Oct 2025 Solar
Independence Wind FarmIndependence Wind Energy LLCManchester, IA206 GWhNov 2021Oct 2025 Wind
Elm Creek Wind II LLCAvangrid Power LLCTrimont, MN205 GWhNov 2010Dec 2024 Wind
Holliday Creek SolarMidAmerican Energy CoFort Dodge, IA205 GWhJun 2022Oct 2025 Solar
Morris SolarAES Clean EnergyKirksville, MO202 GWh-Oct 2025 Solar
Harvest 2Harvest II Windfarm, LLCElkton, MI202 GWhOct 2012Dec 2024 Wind
Point Beach SolarPoint Beach SolarTwo Creeks, WI202 GWhAug 2021Oct 2025 Solar
St. Mary Clean Energy CenterCleco Power LLCCenterville, LA201 GWhJul 2019Dec 2024 Waste Heat
Wildflower Solar, LLC (MS)Duke Energy Renewables ServicesDeSoto, MS201 GWhApr 2024Oct 2025 Solar
Shelby Energy CountyShelby County Energy Center, LLCNeoga, IL201 GWhMay 2000Dec 2024 Natural Gas
Lake Charles PolymersEquistar Chemicals LPWestlake, LA200 GWhAug 2011Oct 2025 Natural Gas
Wilton Wind II LLCWilton Wind II LLCWilton, ND200 GWhOct 2009Dec 2024 Wind
Springfield Solar (WI)Wisconsin Power & Light CoLomira, WI199 GWhNov 2023Oct 2025 Solar
Edison SaultCloverland Electric Co-opSault Ste. Marie, MI199 GWhJun 1901Dec 2024 Water
Sam Rayburn DamUSACE-Fort Worth DistrictJasper, TX199 GWhAug 1965Dec 2024 Water
Calhoun County Solar ProjectAES Clean EnergySheridan Township, MI198 GWh-Oct 2025 Solar
Badger Hollow IIWisconsin Electric Power CoCobb, WI198 GWhNov 2023Oct 2025 Solar
Osceola Windpower IIOsceola Windpower IIHarris, IA197 GWhAug 2008Oct 2025 Wind
MU Combined Heat and Power PlantCurators of the University of MissouriColumbia, MO197 GWhJun 1961Oct 2025 Natural Gas : 73.8% Wood/Wood Waste Solids : 23.6% Bituminous Coal : 2.6%
Fairbanks Wind ParkDTE Electric CompanyGarden, MI197 GWhDec 2021Oct 2025 Wind
Searcy Solar HybridSearcy Solar, LLCSearcy, AR196 GWhDec 2021Oct 2025 Solar
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
Cereal City Solar, LLCCereal City Solar, LLCBattle Creek, MI194 GWhNov 2023Oct 2025 Solar
Badger Hollow IWisconsin Public Service CorpMontfort, WI192 GWhOct 2021Oct 2025 Solar
Two Creeks SolarWisconsin Public Service CorpTwo Rivers, WI191 GWhOct 2020Oct 2025 Solar
Franklin County Wind FarmInterstate Power and Light CoIowa Falls, IA191 GWhNov 2012Dec 2024 Wind
ManitowocManitowoc Public UtilitiesManitowoc, WI191 GWhMay 1955Oct 2025 Wood/Wood Waste Solids : 91.6% Petroleum Coke : 4.6% Bituminous Coal : 3.4%
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-Oct 2025 Solar
Beebe 1ABeebe Renewable Energy, LLCIthaca, MI187 GWhNov 2012Dec 2024 Wind
Wautoma SolarWisconsin Power & Light CoWautoma, WI185 GWhNov 2023Oct 2025 Solar
Georgia-Pacific Corp - Nekoosa MillDomtar Industries IncNekoosa, WI184 GWhDec 1911Oct 2025 Black Liquor : 43.1% Natural Gas : 42.3% Water : 14.6%
Harvest Gold SolarHarvest Gold Solar Power, LLCIndianola, MS183 GWhJul 2024Oct 2025 Solar
Speedway Solar, LLCSpeedway Solar, LLCMorrison Town, IN182 GWh-Oct 2025 Solar
FPL Energy Oliver Wind II LLCFPL Energy Oliver County Wind II LLCCenter, ND181 GWhNov 2007Dec 2024 Wind
Alpena Cement PlantLafarge CorpAlpena, MI179 GWhDec 1951Oct 2025 Petroleum Coke : 84.8% Natural Gas : 15.2%
North Star Solar ProjectNorth Star Solar PV LLCNorth Branch, MN179 GWhNov 2016Oct 2025 Solar
Elk Wind FarmGreenbacker Renewable Energy CorporationGreeley, IA178 GWhNov 2011Dec 2024 Wind
New Orleans PowerEntergy New Orleans, LLCNew Orleans, LA177 GWhApr 2020Oct 2025 Natural Gas
FPL Energy Oliver Wind I LLCFPL Energy Oliver County WindCenter, ND177 GWhNov 2006Dec 2024 Wind
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
Red Rock Hydro PlantWestern Minnesota Mun Pwr AgnyPella, IA170 GWhApr 2021Oct 2025 Water
A.J. Mihm Generating StationUpper Michigan Energy Resources CompanyPelkie, MI170 GWhFeb 2019Dec 2024 Natural Gas
Covanta Hennepin EnergyCovanta Energy CoMinneapolis, MN170 GWhSep 1989Oct 2025 Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.7%
Univ Minnesota CHP PlantUniversity of Minnesota Central UtilitiesMinneapolis, MN166 GWhOct 2017Dec 2024 Natural Gas : 99.9%
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
Grayling Generating StationNorthStar Clean EnergyGrayling, MI165 GWhApr 1992Dec 2024 Wood/Wood Waste Solids : 99.8%
Cerro Gordo Wind FarmCerro Gordo Wind FarmUnion, IA163 GWhJul 2020Oct 2025 Wind
Assembly Solar IIIAssembly Solar III, LLCLennon, MI163 GWhDec 2021Oct 2025 Solar
Marquette Energy CenterCity of Marquette - (MI)Marquette, MI162 GWhJul 2017Dec 2024 Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
Spiritwood StationGreat River EnergySpiritwood, ND161 GWhOct 2014Oct 2025 Natural Gas : 58.4% Refined Coal : 41.6%
Winfield SolarWinfield Solar I, LLCWinfield, MO160 GWh-Oct 2025 Solar
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
Saint Marys FallsUSACE-Detroit DistrictSault Ste. Marie, MI155 GWhJun 1932Dec 2024 Water
Rippey Wind FarmGreenbacker Renewable Energy CorporationGrand Junction, IA154 GWhJul 2012Dec 2024 Wind
Mulligan Solar, LLCMulligan SolarBroadwell, IL154 GWhJun 2022Oct 2025 Solar
CF Industries Yazoo City ComplexCF Industries Nitrogen LLCYazoo City, MS153 GWhJun 1984Oct 2025 Natural Gas
Amite Solar, LLCAmite Solar, LLCRoseland, LA153 GWh-Oct 2025 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC872.9 TWh2,465
#2Midcontinent Independent System Operator, Inc.656.9 TWh2,831
#3Electric Reliability Council of Texas, Inc.484.7 TWh1,313
#5Southwest Power Pool300.6 TWh835
#6Southern Company Services, Inc. - Trans249.9 TWh417
#7California Independent System Operator184.8 TWh2,075
#9Tennessee Valley Authority161.0 TWh204
#10Florida Power & Light Co.149.6 TWh187
#12New York Independent System Operator132.6 TWh1,211
#13Duke Energy Carolinas111.6 TWh565