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%

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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 2,001 to 2,100 of 2,137
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
WarrickAGC Division of APGI IncNewburgh, IN3 TWhMar 1960Sep 2025 Bituminous Coal : 98.5% Natural Gas : 1.5%
Warsaw Solar CSGAltus Power America Management, LLCMorristown, MN5 GWhJun 2020Dec 2024 Solar
Waseca SolarEnel Green Power NA, Inc.Waseca, MN21 GWhNov 2016Dec 2024 Solar
WasecaSunNational Grid RenewablesWaseca, MN9 GWhJan 2018Dec 2024 Solar
Washington CountyWisconsin Electric Power CoWest Bend, WI4 GWhDec 2019Dec 2024 Solar
Washington IslandWashington Island El Coop, IncWashington Island, WI9 MWhNov 1945Dec 2023 Distillate Fuel Oil
Washington Parish Energy CenterEntergy Louisiana LLCBogalusa, LA394 GWhOct 2020Sep 2025 Natural Gas
Waste Management Eco Vista LFGTEWM Renewable Energy LLCSpringdale, AR22 GWhOct 2010Dec 2024 Natural Gas
Waste Management Northern Oaks LFGTEWM Renewable Energy LLCHarrison, MI6 GWhOct 2010Dec 2024 Landfill Gas
Water Reclamation PlantCity of RochesterRochester, MN4 GWhFeb 2003Dec 2024 Other Biomass Gas
Water Street StationCity of Bay City - (MI)Bay City, MI239 MWhJul 1980Dec 2024 Natural Gas : 86.5% Distillate Fuel Oil : 13.5%
Waterford 1 & 2Entergy Louisiana LLCKillona, LA319 GWhJun 1975Dec 2024 Natural Gas : 99.5% Distillate Fuel Oil : 0.5%
Waterford 3Entergy Louisiana LLCKillona, LA8 TWhAug 1985Sep 2025 Nuclear
Waterford Holdco CSGWaterford Holdco LLCWaterford, MN4 GWhOct 2017Dec 2024 Solar
WaterlooCity of Waterloo - (IL)Waterloo, IL491 MWhMay 1946Dec 2024 Natural Gas : 68.9% Distillate Fuel Oil : 31.1%
Waterloo LundquistMidAmerican Energy CoWaterloo, IA38 MWhMar 2000Dec 2024 Distillate Fuel Oil
Waterloo Solar (IA)MidAmerican Energy CoWaterloo, IA6 GWhFeb 2022Dec 2024 Solar
Waterloo Solar, LLCAES Distributed EnergyWaterloo, IN592 MWhDec 2011Dec 2024 Solar
Waterville CSG Solar Holdings LLCAltus Power America Management, LLCWaterville, MN8 GWhFeb 2018Sep 2025 Solar
WatervlietEnergy Developments, Inc d/b/a EDLWatervliet, MI28 GWhJan 2013Dec 2024 Landfill Gas
WausauWisconsin Public Service CorpWausau, WI19 GWhFeb 1921Dec 2024 Water
Wautoma SolarWisconsin Power & Light CoWautoma, WI187 GWhNov 2023Sep 2025 Solar
Waverly Community Wind ProjectWaverly Municipal Elec UtilityWaverly, IA6 GWhNov 2001Dec 2024 Wind
Waverly Municipal Electric North PlantWaverly Municipal Elec UtilityWaverly, IA232 MWhJul 1958Dec 2024 Distillate Fuel Oil : 55.1% Natural Gas : 44.9%
WaveSun Community SolarGenerate CapitalWaverly, MN8 GWhNov 2017Dec 2024 Solar
WaxdaleS.C. Johnson & Son, Inc.Sturtevant, WI36 GWhNov 2003Sep 2025 Natural Gas : 47.1% Landfill Gas : 32.3% Wind : 11.7% Solar : 8.9%
Way DamWisconsin Electric Power CoCrystal Falls, MI5 GWhNov 1949Dec 2024 Water
WCROC Wind FarmUniversity of Minnesota WCROCMorris, MN4 GWhFeb 2005Dec 2024 Wind
WebberConsumers Energy Co - (MI)Lyons, MI11 GWhDec 1906Dec 2024 Water
Webster CityCity of Webster City - (IA)Webster City, IA809 MWhMar 1972Dec 2024 Distillate Fuel Oil
Webster Creek (Oak 2)Greenbacker Renewable Energy CorporationNew Lisbon, WI3 GWhNov 2023Dec 2024 Solar
Webster Holdco Solar CSGWebster Holdco LLCWebster, MN7 GWhJun 2017Dec 2024 Solar
Welcome Wind TurbineFederated Rural Electric AssnWelcome, MN6 GWhApr 2008Sep 2024 Wind
Wells ICCity of Wells - (MN)Wells, MN180 MWhOct 1950Dec 2024 Natural Gas : 64.3% Distillate Fuel Oil : 35.7%
Wellsburg Wind ProjectMidAmerican Energy CoWellsburg, IA469 GWhNov 2014Dec 2024 Wind
West BendCity of West BendWest Bent, IA174 MWhNov 1954Dec 2024 Distillate Fuel Oil
West Campus Cogeneration FacilityMadison Gas & Electric CoMadison, WI282 GWhMar 2005Dec 2024 Natural Gas : 99.8%
West Diesel Generation UnitCity of Pocahontas - (IA)Pocahontas, IA23 MWhMay 2006Dec 2024 Distillate Fuel Oil
West Dubuque SolarInterstate Power and Light CoDubuque, IA6 GWhAug 2017Dec 2024 Solar
West Faribault SolarEnel Green Power NA, Inc.Faribault, MN10 GWhNov 2016Dec 2024 Solar
West Group Data CenterRyan Companies US, Inc.Eagan, MN36 MWhApr 2005Sep 2025 Distillate Fuel Oil
West Group Data Center FRyan Companies US, Inc.Eagan, MN50 MWhMay 2004Nov 2024 Distillate Fuel Oil
West LibertyCity of West Liberty - (IA)West Liberty, IA38 MWhSep 1974Dec 2024 Distillate Fuel Oil
West MarinetteWisconsin Public Service CorpPeshtigo, WI31 GWhMay 1971Dec 2024 Natural Gas
West Marinette 34Madison Gas & Electric CoPeshtigo, WI44 GWhMay 2000Dec 2024 Natural Gas
West Memphis Solar StationEntergy Arkansas LLCCrawfordsville, AR315 GWhNov 2024Sep 2025 Solar
West Riverside Energy CenterWisconsin Power & Light CoBeloit, WI5 TWhApr 2020Sep 2025 Natural Gas : 99.9%
West Waconia SolarEnel Green Power NA, Inc.Norwood Young America, MN16 GWhNov 2016Dec 2024 Solar
WestbrookCity of WestbrookWestbrook, MN9 MWhSep 2003Dec 2024 Distillate Fuel Oil
Western Michigan Solar GardensConsumers Energy Co - (MI)Kalamazoo, MI2 GWhJul 2016Sep 2025 Solar
Western Michigan University Power PlantWestern Michigan UniversityKalamazoo, MI70 GWhJul 1997Dec 2024 Natural Gas
Westlake PlaquemineWestlake Chemicals & Vinyls LLCPlaquemine, LA2 TWhApr 1997Sep 2025 Natural Gas : 98.5% Other Gas : 1.5%
WestonWisconsin Public Service CorpRothschild, WI5 TWhNov 1954Sep 2025 Subbituminous Coal : 99.5% Natural Gas : 0.5%
Weston RICEWisconsin Public Service CorpKronenwetter, WI85 GWhJun 2023Dec 2024 Natural Gas
Westport Community Solar, LLCNational Grid RenewablesLake Lillian, MN2 GWhDec 2020Dec 2024 Solar
Westridge Windfarm LLCWestridge Windfarm LLCWoodstock, MN288 MWhOct 2003Dec 2024 Wind
Westrock Hodge (LA)Westrock (LA)Hodge, LA466 GWhNov 1952Dec 2024 Black Liquor : 50.4% Natural Gas : 35.5% Wood/Wood Waste Solids : 14.2%
WestRock (TX)WestRock (TX)Evadale, TX415 GWhMay 1954Dec 2024 Black Liquor : 58.9% Wood/Wood Waste Solids : 22.0% Natural Gas : 19.1%
Westside Energy StationRochester Public UtilitiesRochester, MN37 GWhFeb 2018Dec 2024 Natural Gas
Westside SolarWestside Solar, LLC (Ecofin)Rochester, MN17 GWhNov 2022Dec 2024 Solar
Wever Solar (150MW)Interstate Power and Light CoWever, IA244 GWhOct 2024Sep 2025 Solar
Wheatland Generating FacilityDuke Energy Indiana, LLCWheatland, IN131 GWhMay 2000Dec 2024 Natural Gas
WheatonNorthern States Power Co - MinnesotaEau Claire, WI19 GWhDec 1972Dec 2024 Natural Gas : 96.6% Distillate Fuel Oil : 3.4%
WhillockArkansas Electric Coop CorpMorrilton, AR139 GWhSep 1993Dec 2024 Water
Whispering Willow NorthInterstate Power and Light CoLatimer, IA729 GWhDec 2019Sep 2025 Wind
Whispering Willow Wind Farm - EastInterstate Power and Light CoIowa Falls, IA425 GWhNov 2009Dec 2024 Wind
Whistling Winds DPC SolarSoCore Energy LLCNew Lisbon, WI2 GWhMay 2017Sep 2025 Solar
White BluffEntergy Arkansas LLCRedfield, AR3 TWhJul 1980Sep 2025 Subbituminous Coal : 99.5%
White Oak Energy LLCWhite Oak Energy LLCCarlock, IL376 GWhMay 2011Dec 2024 Wind
White RapidsWisconsin Electric Power CoStephenson, MI30 GWhSep 1927Dec 2024 Water
White River Medical CenterEntegrity Solar WRMC, LLCNewport, AR5 GWhSep 2023Dec 2024 Solar
White River (WI)Northern States Power Co - MinnesotaAshland, WI4 GWhDec 1906Dec 2024 Water
Whiteside Solar 1 CSGWhiteside Solar 1, LLCFulton, IL2 GWhNov 2020Dec 2024 Solar
Whitewater Generating StationWisconsin Electric Power CoWhitewater, WI863 GWhAug 1997Sep 2025 Natural Gas
WhitingConsolidated Water Power CoWhiting, WI25 GWhDec 1890Dec 2024 Water
Whiting Clean EnergyBP Alternative EnergyWhiting, IN3 TWhMar 2002Sep 2025 Natural Gas
Whiting RefineryBP PLCWhiting, IN360 GWhDec 1947Dec 2024 Other Gas : 81.0% Natural Gas : 19.0%
Wildflower Solar, LLC (MS)Duke Energy Renewables ServicesDeSoto, MS201 GWhApr 2024Sep 2025 Solar
Willford Solar, LLCWillford Solar, LLCGladwin, MI34 GWhSep 2023Dec 2024 Solar
WillmarWillmar Municipal UtilitiesWillmar, MN5 GWhAug 1956Jul 2024 Wind
Willmar Municipal East SubstationWillmar Municipal UtilitiesWillmar, MN23 MWhMay 2000Dec 2024 Distillate Fuel Oil
Willmar Municipal SW SubstationWillmar Municipal UtilitiesWillmar, MN22 MWhMay 2000Dec 2024 Distillate Fuel Oil
WilmarthNorthern States Power Co - MinnesotaMankato, MN100 GWhAug 1948Sep 2025 Non-biogenic Municipal Solid Waste : 54.3% Biogenic Municipal Solid Waste : 44.4% Natural Gas : 1.3%
WilmotDTE Electric CompanyKingston Twp, MI353 MWhNov 1968Sep 2025 Distillate Fuel Oil
WiltonCity of Wilton - (IA)Wilton, IA9 MWhDec 1991Dec 2024 Distillate Fuel Oil
Wilton Wind II LLCWilton Wind II LLCWilton, ND200 GWhOct 2009Dec 2024 Wind
Wind GEMWind GEM, LLCStuart, IA5 GWhAug 2015Dec 2024 Wind
Wind TurbineMadison Gas & Electric CoCasco, WI13 GWhMay 1999Dec 2024 Wind
Windcurrent Farms LLCWindcurrent Farms LLCWoodstock, MN5 GWhAug 2003Dec 2024 Wind
WindomCity of WindomWindom, MN23 MWhMay 1980Dec 2024 Distillate Fuel Oil
Windom Wind ProjectMidwest Power Partners LLCBingham Lake, MN33 GWhFeb 2006Dec 2024 Wind
Windshare LLCGreenbacker Renewable Energy CorporationChandler, MN11 GWhFeb 2006Dec 2024 Wind
Windwalkers LLCConsolidated Edison Development Inc.Kensett, IA3 GWhAug 2011Oct 2024 Wind
Winegar CSGTerraform ArcadiaWaseca, MN2 GWhSep 2018Dec 2024 Solar
Winfield SolarWinfield Solar I, LLCWinfield, MO140 GWh-Sep 2025 Solar
Winnebago County Landfill GasWinnebago CountyOshkosh, WI9 GWhJan 2000Dec 2024 Landfill Gas
Winnebago Wind Power ProjectAvangrid Power LLCForest City, IA59 GWhAug 2008Dec 2024 Wind
Winona Community Solar One LLCMadison Energy Holdings LLCLa Crescent, MN2 GWhMay 2020Dec 2024 Solar
Winona GardenWinona Garden LLCAltura, MN2 GWhOct 2023Dec 2024 Solar
Winona SolarWinona Solar I LLCAltura, MN2 GWhJul 2019Dec 2024 Solar

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