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 1 to 100 of 2,269
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
491 E 48th StreetCity of Holland - (MI)Holland, MI142 GWhApr 1992Dec 2025 Natural Gas
4710 HostingEpic Hosting, LLCRochester, MN63 MWhMay 2012Dec 2025 Distillate Fuel Oil
2662 Freeport Solar 1 CSG2662 Freeport Solar 1, LLCFreeport, IL3 GWhNov 2020Dec 2025 Solar
13 Mile Solar, LLC13 Mile Solar, LLCBattle Creek, MI4 GWhNov 2020Dec 2025 Solar
Zumbro Solar GardenZumbro Garden LLCKasson, MN2 GWhMar 2020Dec 2025 Solar
Zumbro Community Solar GardenZumbro Solar LLCZumbrota, MN2 GWhMar 2018Dec 2025 Solar
Zimmerman EnergyLandfill Energy SystemsArgos, IN41 GWhOct 2014May 2026 Landfill Gas
ZeuberToday's Power, Inc.Little Rock, AR7 GWhNov 2023Dec 2025 Solar
Zeeland Generating StationConsumers Energy Co - (MI)Zeeland, MI6 TWhMay 2001May 2026 Natural Gas
ZeelandCity of Zeeland - (MI)Zeeland, MI600 MWhDec 1956Dec 2025 Natural Gas : 89.2% Distillate Fuel Oil : 10.8%
Yorktown 2 SolarSoCore Energy LLCLyndon, IL4 GWhDec 2023Dec 2025 Solar
Yorktown 1 SolarSoCore Energy LLCLyndon, IL4 GWhDec 2023Dec 2025 Solar
Wyoming 2 CSG, LLCEcoplexus, IncWyoming, MN8 GWhFeb 2018Dec 2025 Solar
WyandotteWyandotte Municipal Serv Comm - (MI)Wyandotte, MI110 MWhDec 1947May 2026 Distillate Fuel Oil
WrightSun CSG, LLCSunStrong Management, LLCSt. Michael, MN8 GWhDec 2017Dec 2025 Solar
Wright Kirby 1-5 CSGStandard SolarMonticello, MN12 GWhMay 2019Dec 2025 Solar
Wright Cuddyer CSGMinnesota Solar CSG 1, LLCSt. Michael, MN5 GWhSep 2018Dec 2024 Solar
Worthington Generation LLCHoosier Energy R E C, IncWorthington, IN203 GWhMay 2000Dec 2025 Natural Gas
WorthingtonCity of Worthington - (MN)Worthington, MN6 GWhJan 2002Dec 2025 Wind : 99.3% Distillate Fuel Oil : 0.7%
Workman Road Solar Farm, LLCWorkman Road Solar Farm, LLCLake City, MI4 GWhNov 2020Dec 2025 Solar
Woodstock WindfarmRWE Clean EnergyWoodstock, MN37 GWhApr 1999Dec 2025 Wind
Woodruff Electric CooperativeToday's Power, Inc.Forrest City, AR2 GWhApr 2019Dec 2025 Solar
Woodruff County SolarArkansas Electric Coop CorpAugusta, AR176 GWhSep 2024May 2026 Solar
Woodbury SolarMN CSG 2, LLCWoodbury, MN4 GWhJun 2020Dec 2025 Solar
Wood CountyWisconsin Power & Light CoNekoosa, WI273 GWhNov 2022May 2026 Solar
Wolverine SolarWolverine Solar, LLCMaynard, MN2 GWhOct 2023Dec 2025 Solar
WolverineWolverine Wind Energy, LLCGreenfield, IA5 GWhSep 2010Dec 2025 Wind
Wollan Garden SolarAltus Power America Management, LLCStarbuck, MN2 GWhJun 2019Dec 2025 Solar
Wolf Wind Enterprises LLCMidwest Power Partners LLCRushmore, MN3 GWhApr 2006Dec 2025 Wind
Wolf Run SolarWolf Run Solar LLCChapin, IL305 GWhOct 2024May 2026 Solar
Wolf River (Chipewa 1)Greenbacker Renewable Energy CorporationStanley, WI3 GWhJan 2024Dec 2025 Solar
WissotaNorthern States Power Co - MinnesotaChippewa Falls, WI118 GWhDec 1916Dec 2025 Water
Wisconsin RapidsConsolidated Water Power CoWisconsin Rapids, WI46 GWhDec 1902Dec 2025 Water
WiotaWiota Wind Energy, LLC #1Wiota, IA5 GWhApr 2012Dec 2025 Wind
WintonALLETE, Inc.Winton, MN18 GWhJul 1923Dec 2025 Water
WintersetCity of Winterset - (IA)Winterset, IA33 MWhJun 1956Dec 2025 Distillate Fuel Oil : 57.8% Natural Gas : 42.2%
Winters Spawn LLCCHI Operations IncLake Benton, MN5 GWhDec 2000Dec 2024 Wind
Winona SolarWinona Solar I LLCAltura, MN4 GWhJul 2019Dec 2025 Solar
Winona GardenWinona Garden LLCAltura, MN2 GWhOct 2023Dec 2025 Solar
Winona Community Solar One LLCMadison Energy Holdings LLCLa Crescent, MN2 GWhMay 2020Dec 2025 Solar
Winnebago Wind Power ProjectAvangrid Power LLCForest City, IA61 GWhAug 2008Dec 2025 Wind
Winnebago County Landfill GasWinnebago County - (WI)Oshkosh, WI3 GWhJan 2000Dec 2025 Landfill Gas
Winfield SolarWinfield Solar I, LLCWinfield, MO281 GWhApr 2025May 2026 Solar
Winegar CSGTerraform ArcadiaWaseca, MN2 GWhSep 2018Dec 2025 Solar
Windwalkers LLCRWE Clean EnergyKensett, IA2 GWhAug 2011Dec 2025 Wind
Windshare LLCGreenbacker Renewable Energy CorporationChandler, MN6 GWhFeb 2006Dec 2025 Wind
Windom Wind ProjectMidwest Power Partners LLCBingham Lake, MN32 GWhFeb 2006Dec 2025 Wind
WindomCity of Windom (MN)Windom, MN32 MWhMay 1980Dec 2025 Distillate Fuel Oil
Windcurrent Farms LLCWindcurrent Farms LLCWoodstock, MN5 GWhAug 2003Dec 2025 Wind
Wind TurbineMadison Gas & Electric CoCasco, WI12 GWhMay 1999Dec 2025 Wind
Wind GEMWind GEM, LLCStuart, IA5 GWhAug 2015Dec 2025 Wind
Wilton Wind II LLCWilton Wind II LLCWilton, ND201 GWhOct 2009Dec 2025 Wind
WiltonCity of Wilton - (IA)Wilton, IA8 MWhDec 1991Dec 2025 Distillate Fuel Oil
WilmotDTE Electric CompanyKingston Twp, MI2 GWhNov 1968Apr 2026 Distillate Fuel Oil
WilmarthNorthern States Power Co - MinnesotaMankato, MN97 GWhAug 1948May 2026 Non-biogenic Municipal Solid Waste : 53.8% Biogenic Municipal Solid Waste : 44.0% Natural Gas : 2.1%
Willmar Municipal SW SubstationWillmar Municipal Utilities (MN)Willmar, MN30 MWhMay 2000Dec 2025 Distillate Fuel Oil
Willmar Municipal East SubstationWillmar Municipal Utilities (MN)Willmar, MN32 MWhMay 2000Dec 2025 Distillate Fuel Oil
Willford Solar, LLCWillford Solar, LLCGladwin, MI41 GWhSep 2023Dec 2025 Solar
Wildwood Solar PlantWildwood Solar, LLCTutwiler, MS104 GWhNov 2025May 2026 Solar
Wildflower Solar, LLC (MS)Duke Energy Renewables ServicesDeSoto, MS200 GWhApr 2024May 2026 Solar
Whiting RefineryBP PLCWhiting, IN328 GWhDec 1947Dec 2025 Other Gas : 87.1% Natural Gas : 12.9%
Whiting Clean EnergyBP Alternative EnergyWhiting, IN3 TWhMar 2002May 2026 Natural Gas
WhitingConsolidated Water Power CoWhiting, WI16 GWhDec 1890Dec 2025 Water
Whitewater Generating StationWisconsin Electric Power CoWhitewater, WI441 GWhAug 1997May 2026 Natural Gas
Whiteside Solar 1 CSGWhiteside Solar 1, LLCFulton, IL4 GWhNov 2020Dec 2025 Solar
White Tail SolarWhite Tail Solar, LLCMilan, MI99 GWhOct 2025May 2026 Solar
White River (WI)Northern States Power Co - MinnesotaAshland, WI3 GWhDec 1906Dec 2025 Water
White River Medical CenterEntegrity Solar WRMC, LLCNewport, AR5 GWhSep 2023Dec 2024 Solar
White RapidsWisconsin Electric Power CoStephenson, MI33 GWhSep 1927Dec 2025 Water
White Oak Energy LLCWhite Oak Energy LLCCarlock, IL400 GWhMay 2011Dec 2025 Wind
White BluffEntergy Arkansas LLCRedfield, AR4 TWhJul 1980Mar 2026 Subbituminous Coal : 99.5%
Whistling Winds DPC SolarSoCore Energy LLCNew Lisbon, WI2 GWhMay 2017May 2026 Solar
Whispering Willow Wind Farm - EastInterstate Power and Light CoIowa Falls, IA405 GWhNov 2009Dec 2025 Wind
Whispering Willow NorthInterstate Power and Light CoLatimer, IA719 GWhDec 2019May 2026 Wind
WhillockArkansas Electric Coop CorpMorrilton, AR131 GWhSep 1993Dec 2025 Water
WheatonNorthern States Power Co - MinnesotaEau Claire, WI17 GWhDec 1972May 2025 Natural Gas : 97.4% Distillate Fuel Oil : 2.6%
Wheatland Generating FacilityDuke Energy Indiana, LLCWheatland, IN153 GWhMay 2000Dec 2025 Natural Gas
WheatlandOrigis Energy USA, IncWheatland, IN107 GWh-May 2026 Solar
Wever Solar (150MW)Interstate Power and Light CoWever, IA278 GWhOct 2024May 2026 Solar
Westside SolarWestside Solar, LLC (Ecofin)Rochester, MN19 GWhNov 2022Dec 2025 Solar
Westside Energy StationRochester Public UtilitiesRochester, MN57 GWhFeb 2018Dec 2025 Natural Gas
WestRock (TX)WestRock (TX)Evadale, TX415 GWhMay 1954Dec 2024 Black Liquor : 58.9% Wood/Wood Waste Solids : 22.0% Natural Gas : 19.1%
Westrock Hodge (LA)Westrock (LA)Hodge, LA489 GWhNov 1952Dec 2025 Black Liquor : 51.3% Natural Gas : 35.6% Wood/Wood Waste Solids : 13.1%
Westridge Windfarm LLCWestridge Windfarm LLCWoodstock, MN4 GWhOct 2003Dec 2025 Wind
Westport Community Solar, LLCGeronimo PowerLake Lillian, MN2 GWhDec 2020Dec 2025 Solar
Weston RICEWisconsin Public Service CorpKronenwetter, WI144 GWhJun 2023Dec 2025 Natural Gas
WestonWisconsin Public Service CorpRothschild, WI4 TWhNov 1954May 2026 Subbituminous Coal : 99.3% Natural Gas : 0.7%
Westlake PlaquemineWestlake Chemicals & Vinyls LLCPlaquemine, LA1 TWhApr 1997May 2026 Natural Gas : 99.0% Other Gas : 1.0%
Western Michigan University Power PlantWestern Michigan UniversityKalamazoo, MI81 GWhJul 1997Dec 2025 Natural Gas
Western Michigan Solar GardensConsumers Energy Co - (MI)Kalamazoo, MI2 GWhJul 2016May 2026 Solar
WestbrookCity of Westbrook - (MN)Westbrook, MN10 MWhSep 2003Dec 2025 Distillate Fuel Oil
West Waconia SolarEnel Green Power NA, Inc.Norwood Young America, MN16 GWhNov 2016Dec 2025 Solar
West Riverside Energy CenterWisconsin Power & Light CoBeloit, WI4 TWhApr 2020May 2026 Natural Gas : 99.9%
West Memphis Solar StationEntergy Arkansas LLCCrawfordsville, AR316 GWhNov 2024May 2026 Solar
West Marinette 34Madison Gas & Electric CoPeshtigo, WI85 GWhMay 2000Dec 2025 Natural Gas
West MarinetteWisconsin Public Service CorpPeshtigo, WI90 GWhMay 1971Dec 2025 Natural Gas
West LibertyCity of West Liberty - (IA)West Liberty, IA234 MWhSep 1974Dec 2025 Distillate Fuel Oil
West Group Data CenterCADC MSP01, LLCEagan, MN34 MWhApr 2005May 2026 Distillate Fuel Oil
West Faribault SolarEnel Green Power NA, Inc.Faribault, MN10 GWhNov 2016Dec 2025 Solar
West Dubuque SolarInterstate Power and Light CoDubuque, IA6 GWhAug 2017Dec 2025 Solar

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