2. Balancing Authorities
  3. Midcontinent Independent System Operator, Inc.

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 101 to 200 of 2,137
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
West Campus Cogeneration FacilityMadison Gas & Electric CoMadison, WI282 GWhMar 2005Dec 2024 Natural Gas : 99.8%
West BendCity of West BendWest Bent, IA174 MWhNov 1954Dec 2024 Distillate Fuel Oil
Wellsburg Wind ProjectMidAmerican Energy CoWellsburg, IA469 GWhNov 2014Dec 2024 Wind
Wells ICCity of Wells - (MN)Wells, MN180 MWhOct 1950Dec 2024 Natural Gas : 64.3% Distillate Fuel Oil : 35.7%
Welcome Wind TurbineFederated Rural Electric AssnWelcome, MN6 GWhApr 2008Sep 2024 Wind
Webster Holdco Solar CSGWebster Holdco LLCWebster, MN7 GWhJun 2017Dec 2024 Solar
Webster Creek (Oak 2)Greenbacker Renewable Energy CorporationNew Lisbon, WI3 GWhNov 2023Dec 2024 Solar
Webster CityCity of Webster City - (IA)Webster City, IA809 MWhMar 1972Dec 2024 Distillate Fuel Oil
WebberConsumers Energy Co - (MI)Lyons, MI11 GWhDec 1906Dec 2024 Water
WCROC Wind FarmUniversity of Minnesota WCROCMorris, MN4 GWhFeb 2005Dec 2024 Wind
Way DamWisconsin Electric Power CoCrystal Falls, MI5 GWhNov 1949Dec 2024 Water
WaxdaleS.C. Johnson & Son, Inc.Sturtevant, WI36 GWhNov 2003Sep 2025 Natural Gas : 47.1% Landfill Gas : 32.3% Wind : 11.7% Solar : 8.9%
WaveSun Community SolarGenerate CapitalWaverly, MN8 GWhNov 2017Dec 2024 Solar
Waverly Municipal Electric North PlantWaverly Municipal Elec UtilityWaverly, IA232 MWhJul 1958Dec 2024 Distillate Fuel Oil : 55.1% Natural Gas : 44.9%
Waverly Community Wind ProjectWaverly Municipal Elec UtilityWaverly, IA6 GWhNov 2001Dec 2024 Wind
Wautoma SolarWisconsin Power & Light CoWautoma, WI187 GWhNov 2023Sep 2025 Solar
WausauWisconsin Public Service CorpWausau, WI19 GWhFeb 1921Dec 2024 Water
WatervlietEnergy Developments, Inc d/b/a EDLWatervliet, MI28 GWhJan 2013Dec 2024 Landfill Gas
Waterville CSG Solar Holdings LLCAltus Power America Management, LLCWaterville, MN8 GWhFeb 2018Sep 2025 Solar
Waterloo Solar, LLCAES Distributed EnergyWaterloo, IN592 MWhDec 2011Dec 2024 Solar
Waterloo Solar (IA)MidAmerican Energy CoWaterloo, IA6 GWhFeb 2022Dec 2024 Solar
Waterloo LundquistMidAmerican Energy CoWaterloo, IA38 MWhMar 2000Dec 2024 Distillate Fuel Oil
WaterlooCity of Waterloo - (IL)Waterloo, IL491 MWhMay 1946Dec 2024 Natural Gas : 68.9% Distillate Fuel Oil : 31.1%
Waterford Holdco CSGWaterford Holdco LLCWaterford, MN4 GWhOct 2017Dec 2024 Solar
Waterford 3Entergy Louisiana LLCKillona, LA8 TWhAug 1985Sep 2025 Nuclear
Waterford 1 & 2Entergy Louisiana LLCKillona, LA319 GWhJun 1975Dec 2024 Natural Gas : 99.5% Distillate Fuel Oil : 0.5%
Water Street StationCity of Bay City - (MI)Bay City, MI239 MWhJul 1980Dec 2024 Natural Gas : 86.5% Distillate Fuel Oil : 13.5%
Water Reclamation PlantCity of RochesterRochester, MN4 GWhFeb 2003Dec 2024 Other Biomass Gas
Waste Management Northern Oaks LFGTEWM Renewable Energy LLCHarrison, MI6 GWhOct 2010Dec 2024 Landfill Gas
Waste Management Eco Vista LFGTEWM Renewable Energy LLCSpringdale, AR22 GWhOct 2010Dec 2024 Natural Gas
Washington Parish Energy CenterEntergy Louisiana LLCBogalusa, LA394 GWhOct 2020Sep 2025 Natural Gas
Washington IslandWashington Island El Coop, IncWashington Island, WI9 MWhNov 1945Dec 2023 Distillate Fuel Oil
Washington CountyWisconsin Electric Power CoWest Bend, WI4 GWhDec 2019Dec 2024 Solar
WasecaSunNational Grid RenewablesWaseca, MN9 GWhJan 2018Dec 2024 Solar
Waseca SolarEnel Green Power NA, Inc.Waseca, MN21 GWhNov 2016Dec 2024 Solar
Warsaw Solar CSGAltus Power America Management, LLCMorristown, MN5 GWhJun 2020Dec 2024 Solar
WarrickAGC Division of APGI IncNewburgh, IN3 TWhMar 1960Sep 2025 Bituminous Coal : 98.5% Natural Gas : 1.5%
Warren DPC SolarSoCore Energy LLCRoberts, WI4 GWhApr 2017Sep 2025 Solar
Warner LambertUniversity of Michigan NCampus ResearchAnn Arbor, MI24 GWhJul 1989Sep 2025 Natural Gas
Wapsipinicon Wind ProjectEDF Renewable Asset Holdings, Inc.Dexter, MN260 GWhJan 2009Dec 2024 Wind
Wapello Solar LLCWapello Solar LLCWapello, IA210 GWhFeb 2021Sep 2025 Solar
Walton Street SubstationCity of Farmington - (MO)Farmington, MO6 MWhDec 2002Dec 2024 Distillate Fuel Oil
Walter Scott Jr Energy CenterMidAmerican Energy CoCouncil Bluffs, IA6 TWhFeb 1954Sep 2025 Subbituminous Coal : 98.9% Distillate Fuel Oil : 0.9%
Walnut Wind FarmMidAmerican Energy CoWalnut, IA584 GWhNov 2008Dec 2024 Wind
Walnut Bend Solar Station PVWalnut Bend Solar StationMoro, AR227 GWhAug 2024Sep 2025 Solar
Walleye WindWalleye Wind, LLCBeaver Creek, MN472 GWhNov 2022Sep 2025 Wind
Walleye (Dunn 2)Greenbacker Renewable Energy CorporationColefax, WI3 GWhJan 2024Dec 2024 Solar
WalkertonIndiana Municipal Power AgencyWalkerton, IN2 GWhJun 2022Dec 2024 Solar
Walcott Solar CSGAltus Power America Management, LLCFaribault, MN9 GWhJun 2020Dec 2024 Solar
WakeSun LLCSunShare ManagementCold Spring, MN4 GWhDec 2016Dec 2024 Solar
Wabasha SolarWabasha Solar LLCWabasha, MN2 GWhJul 2019Dec 2024 Solar
Wabasha Holdco Solar CSGWabasha Holdco LLCWabasha, MN2 GWhFeb 2017Dec 2024 Solar
Wabash Valley Power IGCCWabash Valley Power Assn, IncTerre Haute, IN340 GWhNov 1953Sep 2025 Natural Gas
Volkman Road Solar Array HybridSouthern Indiana Gas & Elec CoEvansville, IN4 GWhOct 2018Dec 2024 Solar
Viresco Turtle LakeViresco Turtle LakeTurtle Lake, WI8 GWhAug 2013Dec 2024 Other Biomass Gas
ViolaVillage of Viola - (WI)Viola, WI5 MWhDec 2001Dec 2024 Distillate Fuel Oil
Villisca Municipal Power PlantCity of Villisca - (IA)Villisca, IA7 MWhMay 2003Dec 2024 Distillate Fuel Oil
Viking Solar CSGViking Solar, LLCPalmyra, IL5 GWhMay 2021Dec 2024 Solar
Vienna Wind FarmMidAmerican Energy CoMarshalltown, IA398 GWhOct 2012Dec 2024 Wind
Victory Wind FarmMidAmerican Energy CoWestside, IA378 GWhNov 2006Dec 2024 Wind
Victoria DamUpper Peninsula Power CompanyRockland, MI26 GWhDec 1930Dec 2024 Water
VestaburgWolverine Power Supply CoopVestaburg, MI2 GWhDec 1958Dec 2024 Natural Gas
Veseli Community Solar GardenVeseli Solar I LLCWebster, MN2 GWhJan 2018Dec 2024 Solar
Vermillion River_MN_GRE DEA-GMSoCore Energy LLCFarmington, MN5 GWhNov 2019Dec 2024 Solar
Vermillion Energy FacilityDuke Energy Ohio IncCayuga, IN728 GWhMay 2000Dec 2024 Natural Gas
Vermilion Solar 1, LLC CSGVermilion Solar 1, LLCDanville, IL3 GWhNov 2020Dec 2024 Solar
Veolia (Gum Springs)Today's Power, Inc.Arkadelphia, AR3 GWhJul 2024Dec 2024 Solar
Veolia ES Blackfoot Landfill FacilitySouthern Indiana Gas & Elec CoWinslow, IN7 GWhMay 2009Dec 2024 Landfill Gas
Venus Wind 3 LLCVenus Wind 3 LLCGrinnell, IA10 GWhFeb 2017Dec 2024 Wind
Venice Resources Gas RecoveryWM Renewable Energy LLCLennon, MI11 GWhFeb 1992Dec 2024 Landfill Gas
VeniceUnion Electric Co - (MO)Venice, IL27 GWhMay 2002Dec 2024 Natural Gas
Velva Windfarm LLCAcciona Wind Energy USA LLCVelva, ND25 GWhNov 2005Dec 2024 Wind
Vega Community SolarVega Community SolarGlenwood, MN8 GWhSep 2017Dec 2024 Solar
Valparaiso Solar, LLCAES Distributed EnergyValparaiso, IN1 GWhNov 2012Sep 2024 Solar
Valley (WI)Wisconsin Electric Power CoMilwaukee, WI353 GWhMay 1968Sep 2025 Natural Gas
Valley View Transmission LLCConsolidated Edison Development Inc.Chandler, MN8 GWhJun 2011Dec 2024 Wind
Valley Queen CheeseValley Queen Cheese Factory, Inc.Milbank, SD24 MWhMar 2002Jun 2025 Distillate Fuel Oil
UW ParksideWisconsin Electric Power CoKenosha, WI4 GWhOct 2020Dec 2024 Solar
USS Wonder Solar LLCUnited States Solar CorporationBird Island, MN2 GWhJun 2023Dec 2024 Solar
USS Wolf Solar LLCUnited States Solar CorporationWood Lake, MN2 GWhJun 2023Dec 2024 Solar
USS Wildcat Solar LLCUnited States Solar CorporationGoodhue, MN2 GWhOct 2021Dec 2024 Solar
USS White Cloud LLC CSGStandard SolarSt. Cloud, MN2 GWhOct 2019Dec 2024 Solar
USS Westeros Solar LLC CSGStandard SolarBelle Plaine, MN2 GWhMay 2020Dec 2024 Solar
USS Wells Creek Solar LLCUnited States Solar CorporationGoodhue, MN2 GWhDec 2022Dec 2024 Solar
USS Webster Solar CSGStandard SolarWebster, MN2 GWhApr 2019Dec 2024 Solar
USS Water Town Solar LLC CSGUnited States Solar CorporationWaterville, MN2 GWhOct 2021Dec 2024 Solar
USS Water Fowl Solar LLC CSGUnited States Solar CorporationSilver Lake, MN908 MWhAug 2022Dec 2024 Solar
USS Water City Solar LLC CSGUnited States Solar CorporationWaterville, MN2 GWhSep 2021Dec 2024 Solar
USS Viceroy Solar LLC CSGUnited States Solar CorporationBrooten, MN3 GWhDec 2020Dec 2024 Solar
USS Verde Solar LLC CSGStandard SolarMorgan, MN2 GWhSep 2020Dec 2024 Solar
USS Verbena Solar LLCUnited States Solar CorporationStewart, MN2 GWhSep 2022Dec 2024 Solar
USS Turkey Solar LLC CSGStandard SolarAtwater, MN2 GWhDec 2019Dec 2024 Solar
USS Sunrise Solar LLC CSGStandard SolarTaylors Falls, MN1 GWhMay 2020Dec 2024 Solar
USS Steamboat Solar LLC CSGStandard SolarMorgan, MN2 GWhMar 2021Dec 2024 Solar
USS Solar Way LLC CSGStandard SolarHartland, MN2 GWhOct 2020Dec 2024 Solar
USS Solar Sources LLC CSGStandard SolarScandia, MN2 GWhSep 2020Dec 2024 Solar
USS Solar Rapids CSGUnited States Solar CorporationSauk Rapids, MN2 GWhDec 2018Dec 2024 Solar
USS Solar Dawn CSGUnited States Solar CorporationNorth Branch, MN2 GWhNov 2018Dec 2024 Solar
USS Solar BrickStandard SolarStandard City, IL5 GWhMay 2021Dec 2024 Solar
USS Slayton Solar LLC (CSG)United States Solar CorporationSlayton, MN627 MWhJul 2024Dec 2024 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#61Alcoa Power Generating, Inc. - Yadkin Division696.7 GWh4
#27Associated Electric Cooperative, Inc.23.6 TWh47
#13Duke Energy Carolinas112.5 TWh565
#52Duke Energy Progress West4.3 TWh10
#24Louisville Gas and Electric Company and Kentucky Utilities Company34.4 TWh25
#1PJM Interconnection, LLC870.7 TWh2,465
#6Southern Company Services, Inc. - Trans250.9 TWh417
#5Southwest Power Pool299.9 TWh835
#49Southwestern Power Administration5.2 TWh34
#9Tennessee Valley Authority161.6 TWh204

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