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 101 to 200 of 2,269
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
West Diesel Generation UnitCity of Pocahontas - (IA)Pocahontas, IA4 MWhMay 2006Dec 2025 Distillate Fuel Oil
West Campus Cogeneration FacilityMadison Gas & Electric CoMadison, WI305 GWhMar 2005Dec 2025 Natural Gas
West BendCity of West Bend - (IA)West Bent, IA68 MWhNov 1954Dec 2025 Distillate Fuel Oil
Wellsburg Wind ProjectMidAmerican Energy CoWellsburg, IA305 GWhNov 2014Dec 2025 Wind
Wells ICCity of Wells - (MN)Wells, MN437 MWhOct 1950Dec 2025 Natural Gas : 67.1% Distillate Fuel Oil : 32.9%
Welcome Wind TurbineFederated Rural Electric AssnWelcome, MN3 GWhApr 2008Dec 2025 Wind
Webster Holdco Solar CSGWebster Holdco LLCWebster, MN8 GWhJun 2017Dec 2025 Solar
Webster Creek (Oak 2)Greenbacker Renewable Energy CorporationNew Lisbon, WI3 GWhNov 2023Dec 2025 Solar
Webster CityCity of Webster City - (IA)Webster City, IA383 MWhMar 1972Dec 2025 Distillate Fuel Oil
WebberConsumers Energy Co - (MI)Lyons, MI10 GWhDec 1906Dec 2025 Water
WCROC Wind FarmUniversity of Minnesota WCROCMorris, MN1 GWhFeb 2005Dec 2025 Wind
Way DamWisconsin Electric Power CoCrystal Falls, MI6 GWhNov 1949Dec 2025 Water
WaxdaleS.C. Johnson & Son, Inc.Sturtevant, WI37 GWhNov 2003May 2026 Natural Gas : 43.5% Landfill Gas : 30.9% Wind : 17.2% Solar : 8.4%
WaveSun Community SolarGenerate CapitalWaverly, MN8 GWhNov 2017Dec 2025 Solar
Waverly Municipal Electric North PlantWaverly Municipal Elec Utility - (IA)Waverly, IA212 MWhJul 1958Dec 2025 Distillate Fuel Oil : 67.7% Natural Gas : 32.3%
Waverly Community Wind ProjectWaverly Municipal Elec Utility - (IA)Waverly, IA4 GWhNov 2001Dec 2025 Wind
Wautoma SolarWisconsin Power & Light CoWautoma, WI190 GWhNov 2023May 2026 Solar
WausauWisconsin Public Service CorpWausau, WI24 GWhFeb 1921Dec 2025 Water
WatervlietEnergy Developments, Inc d/b/a EDLWatervliet, MI26 GWhJan 2013Dec 2025 Landfill Gas
Waterville CSG Solar Holdings LLCAltus Power America Management, LLCWaterville, MN8 GWhFeb 2018May 2026 Solar
Waterloo Solar, LLCAES Distributed EnergyWaterloo, IN584 MWhDec 2011Jan 2025 Solar
Waterloo Solar (IA)MidAmerican Energy CoWaterloo, IA6 GWhFeb 2022Dec 2025 Solar
Waterloo LundquistMidAmerican Energy CoWaterloo, IA255 MWhMar 2000Dec 2025 Distillate Fuel Oil
WaterlooCity of Waterloo - (IL)Waterloo, IL751 MWhMay 1946Dec 2025 Natural Gas : 73.6% Distillate Fuel Oil : 26.4%
Waterford Holdco CSGWaterford Holdco LLCWaterford, MN4 GWhOct 2017Dec 2025 Solar
Waterford 3Entergy Louisiana LLCKillona, LA10 TWhAug 1985May 2026 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, MI1 GWhJul 1980Dec 2025 Natural Gas : 90.5% Distillate Fuel Oil : 9.5%
Water Reclamation PlantCity of Rochester - (MN)Rochester, MN4 GWhFeb 2003Dec 2025 Other Biomass Gas : 99.8%
Waste Management Northern Oaks LFGTEWM Renewable Energy LLCHarrison, MI9 GWhOct 2010Dec 2025 Landfill Gas
Waste Management Eco Vista LFGTEWM Renewable Energy LLCSpringdale, AR22 GWhOct 2010Dec 2024 Natural Gas
Washington Parish Energy CenterEntergy Louisiana LLCBogalusa, LA315 GWhOct 2020May 2026 Natural Gas
Washington IslandWashington Island El Coop, IncWashington Island, WI5 MWhNov 1945Dec 2025 Distillate Fuel Oil
Washington CountyWisconsin Electric Power CoWest Bend, WI4 GWhDec 2019Dec 2025 Solar
WasecaSunGeronimo PowerWaseca, MN9 GWhJan 2018Dec 2025 Solar
Waseca SolarEnel Green Power NA, Inc.Waseca, MN21 GWhNov 2016Dec 2025 Solar
Warsaw Solar CSGAltus Power America Management, LLCMorristown, MN4 GWhJun 2020Dec 2025 Solar
WarrickAGC Division of APGI IncNewburgh, IN3 TWhMar 1960May 2026 Bituminous Coal : 98.3% Natural Gas : 1.7%
Warren DPC SolarSoCore Energy LLCRoberts, WI4 GWhApr 2017May 2026 Solar
Warner LambertUniversity of Michigan NCampus ResearchAnn Arbor, MI24 GWhJul 1989May 2026 Natural Gas
Wapsipinicon Wind ProjectEDF Renewable Asset Holdings, Inc.Dexter, MN268 GWhJan 2009Dec 2025 Wind
Wapello Solar LLCWapello Solar LLCWapello, IA200 GWhFeb 2021May 2026 Solar
Walton Street SubstationCity of Farmington - (MO)Farmington, MO7 MWhDec 2002Dec 2025 Distillate Fuel Oil
Walter Scott Jr Energy CenterMidAmerican Energy CoCouncil Bluffs, IA7 TWhFeb 1954May 2026 Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.8%
Walnut Wind FarmMidAmerican Energy CoWalnut, IA558 GWhNov 2008Dec 2025 Wind
Walnut Bend Solar Station PVEntergy Arkansas LLCMoro, AR205 GWhAug 2024May 2026 Solar
Walleye WindWalleye Wind, LLCBeaver Creek, MN459 GWhNov 2022May 2026 Wind
Walleye (Dunn 2)Greenbacker Renewable Energy CorporationColefax, WI3 GWhJan 2024Dec 2025 Solar
WalkertonIndiana Municipal Power AgencyWalkerton, IN2 GWhJun 2022Dec 2025 Solar
Walcott Solar CSGAltus Power America Management, LLCFaribault, MN8 GWhJun 2020Dec 2025 Solar
WakeSun LLCSunShare ManagementCold Spring, MN5 GWhDec 2016Dec 2025 Solar
Wabasha SolarWabasha Solar LLCWabasha, MN6 GWhJul 2019Dec 2025 Solar
Wabasha Holdco Solar CSGWabasha Holdco LLCWabasha, MN3 GWhFeb 2017Dec 2025 Solar
Wabash Valley Power IGCCWabash Valley Power Assn, IncTerre Haute, IN482 GWhNov 1953May 2026 Natural Gas
Volkman Road Solar Array HybridSouthern Indiana Gas & Elec CoEvansville, IN3 GWhOct 2018Dec 2025 Solar
Viresco Turtle LakeViresco Turtle LakeTurtle Lake, WI8 GWhAug 2013Dec 2025 Other Biomass Gas
ViolaVillage of Viola - (WI)Viola, WI15 MWhDec 2001Dec 2025 Distillate Fuel Oil
ViolaOneEnergy, Inc.Webster, WI65 MWhNov 2025Dec 2025 Solar
Villisca Municipal Power PlantCity of Villisca - (IA)Villisca, IA22 MWhMay 2003Dec 2025 Distillate Fuel Oil
Viking Solar CSGViking Solar, LLCPalmyra, IL4 GWhMay 2021Dec 2025 Solar
Vienna Wind FarmMidAmerican Energy CoMarshalltown, IA622 GWhOct 2012Dec 2025 Wind
Victory Wind FarmMidAmerican Energy CoWestside, IA384 GWhNov 2006Dec 2025 Wind
Victoria DamUpper Peninsula Power CompanyRockland, MI54 GWhDec 1930Dec 2025 Water
VestaburgWolverine Power Supply CoopVestaburg, MI4 GWhDec 1958Dec 2025 Natural Gas
Veseli Community Solar GardenVeseli Solar I LLCWebster, MN2 GWhJan 2018Dec 2025 Solar
Vermillion River_MN_GRE DEA-GMSoCore Energy LLCFarmington, MN5 GWhNov 2019Dec 2025 Solar
Vermillion Energy FacilityDuke Energy Ohio IncCayuga, IN422 GWhMay 2000Dec 2025 Natural Gas
Vermilion Solar 1, LLC CSGVermilion Solar 1, LLCDanville, IL4 GWhNov 2020Dec 2025 Solar
Veolia (Gum Springs)Today's Power, Inc.Arkadelphia, AR10 GWhJul 2024Dec 2025 Solar
Veolia ES Blackfoot Landfill FacilitySouthern Indiana Gas & Elec CoWinslow, IN4 GWhMay 2009Dec 2025 Landfill Gas
Venus Wind 3 LLCNovis Renewables, LLCGrinnell, IA9 GWhFeb 2017Dec 2025 Wind
Venice Resources Gas RecoveryWM Renewable Energy LLCLennon, MI13 GWhFeb 1992Dec 2025 Landfill Gas
VeniceUnion Electric Co - (MO)Venice, IL18 GWhMay 2002Dec 2025 Natural Gas
Velva Windfarm LLCAcciona Wind Energy USA LLCVelva, ND20 GWhNov 2005Dec 2025 Wind
Vega Community SolarVega Community SolarGlenwood, MN8 GWhSep 2017Dec 2025 Solar
Vandalia Renewable Energy CenterUnion Electric Co - (MO)Vandalia, MO46 GWhOct 2025May 2026 Solar
Valparaiso Solar, LLCAES Distributed EnergyValparaiso, IN427 MWhNov 2012Oct 2025 Solar
Valley (WI)Wisconsin Electric Power CoMilwaukee, WI376 GWhMay 1968May 2026 Natural Gas
Valley View Transmission LLCRWE Clean EnergyChandler, MN4 GWhJun 2011Dec 2025 Wind
Valley Queen CheeseValley Queen Cheese Factory, Inc.Milbank, SD20 MWhMar 2002Apr 2026 Distillate Fuel Oil
UW ParksideWisconsin Electric Power CoKenosha, WI4 GWhOct 2020Dec 2025 Solar
UW Kegonsa Customer Hosted SolarWisconsin Power & Light CoStoughton, WI2 GWhApr 2025Dec 2025 Solar
USS Wonder Solar LLCUnited States Solar CorporationBird Island, MN2 GWhJun 2023Dec 2025 Solar
USS Wolf Solar LLCUnited States Solar CorporationWood Lake, MN2 GWhJun 2023Dec 2025 Solar
USS Wildcat Solar LLCUnited States Solar CorporationGoodhue, MN2 GWhOct 2021Dec 2025 Solar
USS White Cloud LLC CSGStandard SolarSt. Cloud, MN2 GWhOct 2019Dec 2025 Solar
USS Westeros Solar LLC CSGStandard SolarBelle Plaine, MN2 GWhMay 2020Dec 2025 Solar
USS Wells Creek Solar LLCUnited States Solar CorporationGoodhue, MN2 GWhDec 2022Dec 2025 Solar
USS Webster Solar CSGStandard SolarWebster, MN2 GWhApr 2019Dec 2025 Solar
USS Water Town Solar LLC CSGUnited States Solar CorporationWaterville, MN2 GWhOct 2021Dec 2025 Solar
USS Water Fowl Solar LLC CSGUnited States Solar CorporationSilver Lake, MN807 MWhAug 2022Dec 2025 Solar
USS Water City Solar LLC CSGUnited States Solar CorporationWaterville, MN2 GWhSep 2021Dec 2025 Solar
USS Viceroy Solar LLC CSGUnited States Solar CorporationBrooten, MN2 GWhDec 2020Dec 2025 Solar
USS Verde Solar LLC CSGStandard SolarMorgan, MN2 GWhSep 2020Dec 2025 Solar
USS Verbena Solar LLCUnited States Solar CorporationStewart, MN2 GWhSep 2022Sep 2025 Solar
USS University Park SolarUnited States Solar CorporationUniversity Park, IL3 GWhApr 2025Dec 2025 Solar
USS Turkey Solar LLC CSGStandard SolarAtwater, MN2 GWhDec 2019Dec 2025 Solar
USS Sunrise Solar LLC CSGStandard SolarTaylors Falls, MN1 GWhMay 2020Dec 2025 Solar
USS Steamboat Solar LLC CSGStandard SolarMorgan, MN2 GWhMar 2021Dec 2025 Solar
USS Solar Way LLC CSGStandard SolarHartland, MN2 GWhOct 2020Dec 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