Midcontinent Independent System Operator, Inc.

Balancing Authority Summary Information

Midcontinent Independent System Operator, Inc. is ranked #2 out of 64 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 Jul 2026
Annual Generation 669.4 TWh
Power Plants3,038
Utilities1,345
Ranked #2 out of 64 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 37% Coal | 26.5% Wind | 14.9% Nuclear | 13.9% Solar | 5.7% Water | 1.4% 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 2,269
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
MarklandDuke Energy Indiana, LLCFlorence, IN253 GWhDec 1966Dec 2025 Water
Lake Winds Energy ParkConsumers Energy Co - (MI)Ludington, MI251 GWhOct 2012Dec 2025 Wind
Hancock County Wind Energy CenterFPL Energy Hancock County Wind, LLCGarner, IA250 GWhNov 2002May 2026 Wind
Calhoun County Solar ProjectAES Clean EnergySheridan Township, MI250 GWhFeb 2025May 2026 Solar
Macksburg Wind ProjectMidAmerican Energy CoMacksburg, IA249 GWhNov 2014Dec 2025 Wind
Port Arthur Texas RefineryTotal Petrochemicals USA IncPort Arthur, TX248 GWhJul 1988Dec 2025 Natural Gas : 71.8% Other Gas : 28.2%
Apple Blossom Wind FarmApple Blossom Wind, LLCPigeon, MI248 GWhOct 2017May 2026 Wind
Liberty County Solar ProjectLiberty County Solar Project, LLCDayton, TX248 GWhAug 2024May 2026 Solar
BrookfieldDTE Electric CompanyPigeon, MI247 GWhJan 2014May 2026 Wind
Sherco Solar IINorthern States Power Co - MinnesotaBecker, MN247 GWhAug 2025May 2026 Solar
Sigel Wind ParkDTE Electric CompanyHarbor Beach, MI246 GWhNov 2012May 2026 Wind
Pheasant Run Wind LLCPheasant Run Wind LLCPigeon, MI246 GWhNov 2013May 2026 Wind
Ragsdale Solar LLCRagsdale Solar, LLCCanton, MS242 GWhOct 2024May 2026 Solar
Consumer Operations LLCGeorgia-Pacific Consumer Oper. Green Bay LLCGreen Bay, WI239 GWhDec 1953May 2026 Natural Gas
Angus AnsonNorthern States Power Co - MinnesotaSioux Falls, SD239 GWhJul 1994Dec 2025 Natural Gas : 99.9%
Dearborn Energy CenterDTE Electric CompanyDearborn, MI237 GWhNov 2019Dec 2025 Natural Gas
Emily Solar, LLCRWE Clean EnergyCasey, IL235 GWhNov 2025May 2026 Solar
Lake Benton IALLETE Clean EnergyLake Benton, MN235 GWhJan 1998Dec 2025 Wind
University of MichiganUniversity of MichiganAnn Arbor, MI232 GWhDec 1974May 2026 Natural Gas
Chickadee G-3Chickadee 3-G Purchaser LLCBeaumont, TX231 GWhFeb 1987May 2026 Natural Gas : 98.3% Waste/Other Oil : 1.7%
Crystal Lake 3 LLCCrystal Lake 3 LLCBritt, IA231 GWhNov 2009May 2026 Wind
New Madrid Solar, LLCNew Madrid Solar, LLCMarston, MO230 GWhOct 2025May 2026 Solar
Dressor Plains Solar, LLCDressor Plains Solar, LLCHerrick, IL229 GWhAug 2021May 2026 Solar
Sauk Solar ParkDTE Electric CompanyUnion City, MI228 GWhDec 2024May 2026 Solar
Prairie Mist SolarPrairie Mist Solar Project, LLCMontrose, AR228 GWhAug 2024May 2026 Solar
Assembly Solar II LLCAssembly Solar II LLCLennon, MI226 GWhNov 2021May 2026 Solar
Prairie State Solar ProjectPrairie State Solar, LLCSwanwick Township, IL224 GWhJun 2021May 2026 Solar
CITGO Refinery PowerhouseCITGO Petroleum CorpSulphur, LA224 GWhDec 1941Dec 2025 Other Gas
Bayou Galion Solar ProjectBayou Galion Solar Project, LLCMer Rouge, LA219 GWhOct 2024May 2026 Solar
Blakely MountainUSCE -Vickburg DistrictRoyal, AR216 GWhAug 1955Dec 2025 Water
Paris (WI)Wisconsin Electric Power CoUnion Grove, WI215 GWhFeb 1995Dec 2025 Natural Gas
Happy Solar 1Lightsource Renewable Energy Asset Management, LLCSearcy, AR214 GWhSep 2023May 2026 Solar
Gratiot Wind ParkDTE Electric CompanyBreckenridge, MI214 GWhOct 2011May 2026 Wind
International Paper Vicksburg MillInternational Paper Co-VicksbgVicksburg, MS214 GWhDec 1966May 2026 Black Liquor : 54.1% Natural Gas : 29.8% Wood/Wood Waste Solids : 16.1%
Chicot SolarChicot Solar, LLCLake Village, AR213 GWhAug 2020May 2026 Solar
Montpelier Electric Generating StationKimura Power LLCPoneto, IN213 GWhMay 2001May 2026 Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Red Rock Hydro PlantWestern Minnesota Mun Pwr AgnyPella, IA213 GWhApr 2021May 2026 Water
Badger Hollow IIWisconsin Electric Power CoCobb, WI213 GWhNov 2023May 2026 Solar
Spiritwood StationGreat River EnergySpiritwood, ND213 GWhOct 2014May 2026 Natural Gas : 58.1% Refined Coal : 41.9%
University of Illinois Abbott Power PltUniversity of IllinoisChampaign, IL213 GWhOct 1940Dec 2025 Natural Gas : 97.0% Bituminous Coal : 3.0%
Atlantic Alumina, Gramercy OperationsAtalco Gramercy LLCGramercy, LA208 GWhJan 1958Dec 2024 Natural Gas
Sam Rayburn DamUSACE-Fort Worth DistrictJasper, TX208 GWhAug 1965Dec 2025 Water
Indiana Harbor WestCleveland CliffsEast Chicago, IN208 GWhSep 1939Dec 2025 Natural Gas
Amite Solar, LLCAmite Solar, LLCRoseland, LA208 GWhFeb 2025May 2026 Solar
Roquette AmericaRoquette AmericaKeokuk, IA208 GWhJun 2004May 2026 Natural Gas
Crossett SolarCubico USA, LLCCrossett, AR207 GWhAug 2024May 2026 Solar
Springfield Solar (WI)Wisconsin Power & Light CoLomira, WI206 GWhNov 2023May 2026 Solar
Alpena Cement PlantLafarge CorpAlpena, MI206 GWhDec 1951May 2026 Petroleum Coke : 86.8% Natural Gas : 13.2%
Walnut Bend Solar Station PVEntergy Arkansas LLCMoro, AR205 GWhAug 2024May 2026 Solar
Holliday Creek SolarMidAmerican Energy CoFort Dodge, IA205 GWhJun 2022May 2026 Solar
Independence Wind FarmIndependence Wind Energy LLCManchester, IA205 GWhNov 2021May 2026 Wind
ConcordWisconsin Electric Power CoWatertown, WI203 GWhJun 1993Dec 2025 Natural Gas : 98.9% Distillate Fuel Oil : 1.1%
Worthington Generation LLCHoosier Energy R E C, IncWorthington, IN203 GWhMay 2000Dec 2025 Natural Gas
Wilton Wind II LLCWilton Wind II LLCWilton, ND201 GWhOct 2009Dec 2025 Wind
Badger Hollow IWisconsin Public Service CorpMontfort, WI201 GWhOct 2021May 2026 Solar
MU Combined Heat and Power PlantCurators of the University of MissouriColumbia, MO200 GWhJun 1961May 2026 Natural Gas : 77.2% Wood/Wood Waste Solids : 20.4% Bituminous Coal : 2.4%
Wildflower Solar, LLC (MS)Duke Energy Renewables ServicesDeSoto, MS200 GWhApr 2024May 2026 Solar
Wapello Solar LLCWapello Solar LLCWapello, IA200 GWhFeb 2021May 2026 Solar
Harvest 2Harvest II Windfarm, LLCElkton, MI199 GWhOct 2012Dec 2025 Wind
Cereal City Solar, LLCCereal City Solar, LLCBattle Creek, MI199 GWhNov 2023May 2026 Solar
ThomsonALLETE, Inc.Carlton, MN198 GWhDec 1906Dec 2025 Water
Point Beach SolarPoint Beach SolarTwo Creeks, WI198 GWhAug 2021May 2026 Solar
Bison I Wind Energy CenterALLETE, Inc.New Salem, ND196 GWhNov 2010Dec 2025 Wind
Jeffers Wind 20 LLCNorthern States Power Co - MinnesotaJeffers, MN196 GWhSep 2008Dec 2025 Wind
Syl LaskinALLETE, Inc.Hoyt Lakes, MN196 GWhMay 1953Dec 2025 Natural Gas
Lake Charles PolymersEquistar Chemicals LPWestlake, LA195 GWhAug 2011May 2026 Natural Gas
Covanta Hennepin EnergyCovanta Energy CoMinneapolis, MN195 GWhSep 1989May 2026 Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8%
Harvest Gold SolarHarvest Gold Solar Power, LLCIndianola, MS193 GWhJul 2024May 2026 Solar
Elm Creek Wind LLCAvangrid Power LLCTrimont, MN192 GWhNov 2008Dec 2025 Wind
Osceola Windpower IIOsceola Windpower IIHarris, IA191 GWhAug 2008May 2026 Wind
Wautoma SolarWisconsin Power & Light CoWautoma, WI190 GWhNov 2023May 2026 Solar
FPL Energy Oliver Wind II LLCFPL Energy Oliver County Wind II LLCCenter, ND189 GWhNov 2007Dec 2025 Wind
Elm Creek Wind II LLCAvangrid Power LLCTrimont, MN187 GWhNov 2010Dec 2025 Wind
Forgeview SolarForgeview Solar, LLCBlytheville, AR187 GWhNov 2025May 2026 Solar
Beebe 1ABeebe Renewable Energy, LLCIthaca, MI186 GWhNov 2012Dec 2025 Wind
Two Creeks SolarWisconsin Public Service CorpTwo Rivers, WI185 GWhOct 2020May 2026 Solar
Ada Cogeneration LPAda Cogeneration LLCAda, MI185 GWhSep 1990Dec 2025 Natural Gas
Cedar RidgeWisconsin Power & Light CoEden, WI185 GWhNov 2008Dec 2025 Wind
A.J. Mihm Generating StationUpper Michigan Energy Resources CompanyPelkie, MI185 GWhFeb 2019Dec 2025 Natural Gas
Shelby Energy CountyShelby County Energy Center, LLCNeoga, IL184 GWhMay 2000Dec 2025 Natural Gas
Grayling Generating StationNorthStar Clean EnergyGrayling, MI182 GWhApr 1992Dec 2025 Wood/Wood Waste Solids
Fairbanks Wind ParkDTE Electric CompanyGarden, MI182 GWhDec 2021May 2026 Wind
FPL Energy Oliver Wind I LLCFPL Energy Oliver County WindCenter, ND182 GWhNov 2006Dec 2025 Wind
St. Mary Clean Energy CenterCleco Power LLCCenterville, LA181 GWhJul 2019Dec 2025 Waste Heat
Edison SaultCloverland Electric Co-opSault Ste. Marie, MI181 GWhJun 1901Dec 2025 Water
FPL Energy Burleigh County WindFPL Energy Burleigh County Wind LLCWilton, ND180 GWhNov 2005Dec 2025 Wind
De Pere Energy CenterWisconsin Public Service CorpDe Pere, WI180 GWhMay 1999Dec 2025 Natural Gas : 59.9% Distillate Fuel Oil : 40.1%
Pleasantville Solar ParkPleasantville Solar Park LLCIpava, IL179 GWhOct 2025May 2026 Solar
ManitowocManitowoc Public UtilitiesManitowoc, WI178 GWhMay 1955May 2026 Wood/Wood Waste Solids : 88.2% Petroleum Coke : 6.6% Bituminous Coal : 4.9%
Searcy Solar HybridSearcy Solar, LLCSearcy, AR178 GWhDec 2021May 2026 Solar
Bay FrontNorthern States Power Co - MinnesotaAshland, WI177 GWhDec 1948Dec 2025 Wood/Wood Waste Solids : 95.1% Tire-derived Fuels : 4.2% Natural Gas : 0.7%
Woodruff County SolarArkansas Electric Coop CorpAugusta, AR176 GWhSep 2024May 2026 Solar
North Star Solar ProjectNorth Star Solar PV LLCNorth Branch, MN175 GWhNov 2016May 2026 Solar
Langdon Wind II LLCFPL Energy Langdon Wind LLCOsnabrock, ND175 GWhAug 2008Dec 2025 Wind
RATTS 1Ratts 1 Solar LLCPetersburg, IN174 GWhSep 2025May 2026 Solar
Elk Wind FarmGreenbacker Renewable Energy CorporationGreeley, IA173 GWhNov 2011Dec 2025 Wind
Langdon Wind Energy CenterOtter Tail Power CoLangdon, ND173 GWhNov 2007Dec 2025 Wind
Univ Minnesota CHP PlantUniversity of Minnesota Central UtilitiesMinneapolis, MN172 GWhOct 2017Dec 2025 Natural Gas : 99.7%
Hawkeye Wind FarmGreenbacker Renewable Energy CorporationSumner, IA171 GWhSep 2012Dec 2025 Wind
Cadillac Renewable EnergyCadillac Renewable Energy LLCCadillac, MI169 GWhJul 1993Dec 2025 Wood/Wood Waste Solids

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC882.8 TWh2,652
#2Midcontinent Independent System Operator, Inc.669.4 TWh3,038
#3Electric Reliability Council of Texas, Inc.494.1 TWh1,471
#5Southwest Power Pool306.8 TWh856
#6Southern Company Services, Inc. - Trans253.5 TWh422
#7California Independent System Operator169.4 TWh2,135
#9Tennessee Valley Authority163.4 TWh207
#10Florida Power & Light Co.152.2 TWh187
#12New York Independent System Operator134.3 TWh1,299
#13Duke Energy Carolinas112.6 TWh577