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 2,001 to 2,100 of 2,137
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Winfield SolarWinfield Solar I, LLCWinfield, MO140 GWh-Sep 2025 Solar
Winnebago County Landfill GasWinnebago CountyOshkosh, WI9 GWhJan 2000Dec 2024 Landfill Gas
Winona GardenWinona Garden LLCAltura, MN2 GWhOct 2023Dec 2024 Solar
Winona SolarWinona Solar I LLCAltura, MN2 GWhJul 2019Dec 2024 Solar
WiotaWiota Wind Energy, LLC #1Wiota, IA4 GWhApr 2012Dec 2024 Wind
Darien SolarWisconsin Electric Power CoDarien, WI265 GWh-Sep 2025 Solar
Badger Hollow IIWisconsin Electric Power CoCobb, WI200 GWhNov 2023Sep 2025 Solar
Twin Falls (WI)Wisconsin Electric Power CoFlorence, WI31 GWhJun 2016Dec 2024 Water
Rothschild Biomass Cogen FacilityWisconsin Electric Power CoRothschild, WI153 GWhOct 2013Dec 2024 Wood/Wood Waste Solids : 97.4% Natural Gas : 2.6%
Whitewater Generating StationWisconsin Electric Power CoWhitewater, WI863 GWhAug 1997Sep 2025 Natural Gas
Paris (WI)Wisconsin Electric Power CoUnion Grove, WI227 GWhFeb 1995Dec 2024 Natural Gas
Big Quinnesec 61Wisconsin Electric Power CoIron Mountain, MI4 GWhApr 1914Dec 2024 Water
Glacier HillsWisconsin Electric Power CoCambria, WI375 GWhNov 2011Sep 2025 Wind
BruleWisconsin Electric Power CoFlorence, WI16 GWhDec 1918Dec 2024 Water
Montfort Wind Energy CenterWisconsin Electric Power CoMontfort, WI56 GWhMay 2002Sep 2025 Wind
Chalk HillWisconsin Electric Power CoStephenson, MI14 GWhApr 1927Dec 2024 Water
Hemlock FallsWisconsin Electric Power CoCrystal Falls, MI6 GWhJul 1953Dec 2024 Water
KingsfordWisconsin Electric Power CoKingsford, MI25 GWhApr 1924Dec 2024 Water
Michigamme FallsWisconsin Electric Power CoCrystal Falls, MI23 GWhMay 1953Dec 2024 Water
AppletonWisconsin Electric Power CoAppleton, WI6 GWhJul 1916Dec 2024 Water
ConcordWisconsin Electric Power CoWatertown, WI175 GWhJun 1993Dec 2024 Natural Gas : 99.8%
Peavy FallsWisconsin Electric Power CoCrystal Falls, MI37 GWhDec 1942Dec 2024 Water
PineWisconsin Electric Power CoFlorence, WI10 GWhMay 1922Dec 2024 Water
Way DamWisconsin Electric Power CoCrystal Falls, MI5 GWhNov 1949Dec 2024 Water
White RapidsWisconsin Electric Power CoStephenson, MI30 GWhSep 1927Dec 2024 Water
Valley (WI)Wisconsin Electric Power CoMilwaukee, WI353 GWhMay 1968Sep 2025 Natural Gas
South Oak CreekWisconsin Electric Power CoOak Creek, WI2 TWhNov 1959Sep 2025 Subbituminous Coal : 99.7%
GermantownWisconsin Electric Power CoGermantown, WI28 GWhJun 1978Dec 2024 Natural Gas : 94.1% Distillate Fuel Oil : 5.9%
Elm Road Generating StationWisconsin Electric Power CoOak Creek, WI7 TWhJan 2010Sep 2025 Subbituminous Coal : 79.7% Bituminous Coal : 17.0% Natural Gas : 3.3%
Big Quinnesec 92Wisconsin Electric Power CoIron Mountain, MI89 GWhOct 1949Dec 2024 Water
Port Washington Generating StationWisconsin Electric Power CoPort Washington, WI7 TWhJun 2005Sep 2025 Natural Gas
Blue Sky Green Field Wind ProjectWisconsin Electric Power CoFond du Lac, WI341 GWhApr 2008Sep 2025 Wind
City of Milwaukee LandfillWisconsin Electric Power CoMilwaukee, WI4 GWhJan 2021Dec 2024 Solar
UW ParksideWisconsin Electric Power CoKenosha, WI4 GWhOct 2020Dec 2024 Solar
Washington CountyWisconsin Electric Power CoWest Bend, WI4 GWhDec 2019Dec 2024 Solar
Regal WareWisconsin Electric Power CoWest Bend, WI3 GWhMar 2021Dec 2024 Solar
Paris SolarWisconsin Electric Power CoUnion Grove, WI258 GWhNov 2024Sep 2025 Solar
Spring Prairie Solar WI, LLCWisconsin Electric Power CoBurlington, WI4 GWhNov 2023May 2024 Solar
Silver Lake Solar WI, LLCWisconsin Electric Power CoSalem, WI2 GWhNov 2023May 2024 Solar
Jones DairyWisconsin Electric Power CoFort Atkinson, WI4 GWhJun 2021Dec 2024 Solar
LaFayette Solar WI, LLCWisconsin Electric Power CoElkhorn, WI15 MWhNov 2024Dec 2024 Solar
CREEWisconsin Electric Power CoRacine, WI2 GWhJul 2021Dec 2024 Solar
ATIWisconsin Electric Power CoCudahy, WI4 GWhOct 2020Dec 2024 Solar
Jackson Solar WI, LLCWisconsin Electric Power CoCedarburg, WI4 GWhNov 2023May 2024 Solar
Hackbarth Solar WI, LLCWisconsin Electric Power CoFort Atkinson, WI30 MWhNov 2024Dec 2024 Solar
Bonduel Solar WI, LLCWisconsin Electric Power CoBonduel, WI1 GWhNov 2023Feb 2024 Solar
Auburn Solar WI, LLCWisconsin Electric Power CoCampbellsport, WI80 MWhNov 2024Dec 2024 Solar
Lannon StoneWisconsin Electric Power CoPewaukee, WI4 GWhNov 2021Dec 2024 Solar
Harley-Davison Powertrain OperationsWisconsin Electric Power CoMenomonee Falls, WI3 GWhSep 2020Dec 2024 Solar
Grant CountyWisconsin Power & Light CoTown of Potosi, WI375 GWhApr 2024Sep 2025 Solar
Cassville SolarWisconsin Power & Light CoCassville, WI98 GWhNov 2023Sep 2025 Solar
Crawfish RiverWisconsin Power & Light CoJefferson, WI131 GWhNov 2023Sep 2025 Solar
Beaver Dam SolarWisconsin Power & Light CoDodge, WI101 GWhNov 2023Sep 2025 Solar
Onion RiverWisconsin Power & Light CoSheboygan Cedar Grove, WI253 GWhNov 2023Sep 2025 Solar
Wood CountyWisconsin Power & Light CoNekoosa, WI277 GWhNov 2022Sep 2025 Solar
Springfield Solar (WI)Wisconsin Power & Light CoLomira, WI203 GWhNov 2023Sep 2025 Solar
North RockWisconsin Power & Light CoEdgerton, WI100 GWhSep 2022Sep 2025 Solar
Kohler SolarWisconsin Power & Light CoKohler, WI3 GWhMay 2022Dec 2024 Solar
Bear Creek (WI)Wisconsin Power & Light CoLone Rock, WI100 GWhAug 2022Sep 2025 Solar
Albany Solar (WI)Wisconsin Power & Light CoBroadhead, WI98 GWhNov 2023Sep 2025 Solar
Paddock SolarWisconsin Power & Light CoBeloit, WI135 GWhOct 2023Sep 2025 Solar
Wautoma SolarWisconsin Power & Light CoWautoma, WI187 GWhNov 2023Sep 2025 Solar
West Riverside Energy CenterWisconsin Power & Light CoBeloit, WI5 TWhApr 2020Sep 2025 Natural Gas : 99.9%
KossuthWisconsin Power & Light CoLu Verne, IA523 GWhSep 2020Sep 2025 Wind
Alliant Energy NeenahWisconsin Power & Light CoNeenah, WI740 GWhApr 2000Dec 2024 Natural Gas
KilbournWisconsin Power & Light CoWisconsin Dells, WI58 GWhJun 1926Dec 2024 Water
EdgewaterWisconsin Power & Light CoSheboygan, WI2 TWhJun 1951Sep 2025 Subbituminous Coal : 99.9%
South Fond Du LacWisconsin Power & Light CoFond du Lac, WI5 GWhApr 1993Dec 2024 Natural Gas : 98.0% Distillate Fuel Oil : 2.0%
Bent Tree Wind Farm Phase 1Wisconsin Power & Light CoHartland, MN343 GWhJan 2011Dec 2024 Wind
Riverside Energy CenterWisconsin Power & Light CoBeloit, WI3 TWhMay 2004Sep 2025 Natural Gas
Columbia (WI)Wisconsin Power & Light CoPardeville, WI6 TWhApr 1975Sep 2025 Subbituminous Coal : 99.9%
Prairie Du SacWisconsin Power & Light CoPrairie du Sac, WI144 GWhSep 1915Dec 2024 Water
Cedar RidgeWisconsin Power & Light CoEden, WI175 GWhNov 2008Dec 2024 Wind
Sheboygan FallsWisconsin Power & Light CoSheboygan, WI642 GWhMay 2005Dec 2024 Natural Gas
MerrillWisconsin Public Service CorpMerrill, WI4 GWhFeb 1917Dec 2024 Water
Hat RapidsWisconsin Public Service CorpRhinelander, WI6 GWhMay 1923Dec 2024 Water
AlexanderWisconsin Public Service CorpMerrill, WI19 GWhDec 1924Dec 2024 Water
Sandstone RapidsWisconsin Public Service CorpTown of Stephenson, WI9 GWhDec 1924Dec 2024 Water
Johnson FallsWisconsin Public Service CorpTown of Stephenson, WI10 GWhJun 1923Dec 2024 Water
PulliamWisconsin Public Service CorpGreen Bay, WI109 GWhAug 1949Sep 2025 Natural Gas
Grandfather FallsWisconsin Public Service CorpIrma, WI80 GWhNov 1938Dec 2024 Water
West MarinetteWisconsin Public Service CorpPeshtigo, WI31 GWhMay 1971Dec 2024 Natural Gas
High Falls (WI)Wisconsin Public Service CorpTown of Stephenson, WI16 GWhJul 1910Dec 2024 Water
Caldron FallsWisconsin Public Service CorpTown of Stephenson, WI14 GWhOct 1924Dec 2024 Water
TomahawkWisconsin Public Service CorpTomahawk, WI11 GWhDec 1937Dec 2024 Water
Potato RapidsWisconsin Public Service CorpTown of Porterfield, WI4 GWhApr 1921Dec 2024 Water
Crane Creek Wind Energy CenterWisconsin Public Service CorpRiceville, IA302 GWhNov 2009Dec 2024 Wind
Fox Energy CenterWisconsin Public Service CorpWrightstown, WI4 TWhMay 2005Sep 2025 Natural Gas
WausauWisconsin Public Service CorpWausau, WI19 GWhFeb 1921Dec 2024 Water
Grand RapidsWisconsin Public Service CorpIngalls, MI32 GWhMay 1918Dec 2024 Water
Forward Wind Energy CenterWisconsin Public Service CorpBrownsville, WI146 GWhJun 2008Sep 2025 Wind
De Pere Energy CenterWisconsin Public Service CorpDe Pere, WI138 GWhMay 1999Dec 2024 Natural Gas : 68.9% Distillate Fuel Oil : 31.1%
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
Antigo-Forrest Street Solar ProjectWisconsin Public Service CorpAntigo, WI279 MWhOct 2024Dec 2024 Solar
Red Barn EnergyWisconsin Public Service CorpMontfort, WI252 GWhMar 2023Sep 2025 Wind
Hodag SolarWisconsin Public Service CorpRhinelander, WI13 GWhDec 2021Dec 2024 Solar
Two Creeks SolarWisconsin Public Service CorpTwo Rivers, WI194 GWhOct 2020Sep 2025 Solar
Badger Hollow IWisconsin Public Service CorpMontfort, WI195 GWhOct 2021Sep 2025 Solar
PetenwellWisconsin River Power CompanyNecedah, WI108 GWhJul 1949Dec 2024 Water

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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