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 1,301 to 1,400 of 2,137
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
IMPA Huntingburg Solar ParkIndiana Municipal Power AgencyHuntingburg, IN3 GWhAug 2016Dec 2024 Solar
FastSun 4 CSGAltus Power America Management, LLCHugo, MN2 GWhMay 2021Dec 2024 Solar
POET Biorefining - HudsonPOET Biorefining - HudsonHudson, SD17 GWhApr 2019Dec 2024 Natural Gas
Laskin SolarALLETE, Inc.Hoyt Lakes, MN8 GWhNov 2022Dec 2024 Solar
Syl LaskinALLETE, Inc.Hoyt Lakes, MN172 GWhMay 1953Dec 2024 Natural Gas
Hazel Solar, LLCHazel Solar, LLCHoward City, MI4 GWhJan 2021Dec 2024 Solar
CarpenterEntergy Arkansas LLCHot Springs, AR102 GWhDec 1931Dec 2024 Water
HopkintonCity of Hopkinton - (IA)Hopkinton, IA11 MWhAug 1973Dec 2024 Distillate Fuel Oil
Rail Splitter Wind FarmRail Splitter Wind Farm LLCHopedale, IL278 GWhJul 2009Dec 2024 Wind
Holland Energy ParkCity of HollandHolland, MI893 GWhMay 2017Dec 2024 Natural Gas
491 E 48th StreetCity of HollandHolland, MI92 GWhApr 1992Dec 2024 Natural Gas
HolcombeNorthern States Power Co - MinnesotaHolcombe, WI93 GWhDec 1949Dec 2024 Water
Westrock Hodge (LA)Westrock (LA)Hodge, LA466 GWhNov 1952Dec 2024 Black Liquor : 50.4% Natural Gas : 35.5% Wood/Wood Waste Solids : 14.2%
Hobart Solar, LLCAES Distributed EnergyHobart, IN215 MWhOct 2012Nov 2024 Solar
Grand Casino Hinckley SolarDG Central 1, LLCHinckley, MN6 GWhApr 2022Dec 2024 Solar
Crescent Wind ParkConsumers Energy Co - (MI)Hillsdale, MI350 GWhJan 2021Sep 2025 Wind
HillsdaleHillsdale Board of Public WksHillsdale, MI196 MWhFeb 1947Dec 2024 Natural Gas : 89.6% Distillate Fuel Oil : 10.4%
American Crystal Sugar HillsboroAmerican Crystal Sugar CoHillsboro, ND87 GWhAug 1990Dec 2024 Subbituminous Coal
HillsboroCity of Hillsboro - (ND)Hillsboro, ND12 MWhJun 2002Dec 2024 Distillate Fuel Oil
HighlandCity of HighlandHighland, IL187 MWhFeb 1967Dec 2024 Distillate Fuel Oil
HibbingHibbing Public Utilities CommHibbing, MN36 GWhMar 1965Dec 2024 Natural Gas : 60.1% Wood/Wood Waste Solids : 38.2% Bituminous Coal : 1.7%
Thunder Spirit Wind, LLCMontana-Dakota Utilities CoHettinger, ND523 GWhNov 2015Dec 2024 Wind
Cargill Salt HerseyCargill Salt HerseyHersey, MI318 MWhAug 1998Dec 2023 Natural Gas
George JohnsonWolverine Power Supply CoopHersey, MI34 GWhAug 1993Dec 2024 Natural Gas
Clendenin A Community Solar, LLC CSGClendenin A Community Solar, LLCHerrin, IL3 GWhJun 2021Dec 2024 Solar
Lukuc B Community Solar LLC CSGLukuc B Community Solar LLCHerrin, IL4 GWhJun 2021Dec 2024 Solar
Dressor Plains Solar, LLCDressor Plains Solar, LLCHerrick, IL234 GWhAug 2021Sep 2025 Solar
Blazing Star Wind Farm 1Northern States Power Co - MinnesotaHendricks, MN836 GWhMar 2020Sep 2025 Wind
Blazing Star 2 Wind FarmNorthern States Power Co - MinnesotaHendricks, MN834 GWhDec 2020Sep 2025 Wind
Autumn Hills LLCCHI Operations IncHendricks, MN4 GWhJan 2001Dec 2024 Wind
Jack River LLCCHI Operations IncHendricks, MN4 GWhJan 2001Dec 2024 Wind
Tsar Nicholas LLCCHI Operations IncHendricks, MN4 GWhJan 2001Dec 2024 Wind
Shaokatan Hills LLCShaokatan Hills, LLC (Longroad)Hendricks, MN12 GWhJul 1999Dec 2024 Wind
Lakota Ridge LLCLakota Ridge, LLC (Longroad)Hendricks, MN17 GWhMar 1999Dec 2024 Wind
Jessica Mills LLCCHI Operations IncHendricks, MN4 GWhJan 2001Dec 2024 Wind
Julia Hills LLCCHI Operations IncHendricks, MN4 GWhJan 2001Dec 2024 Wind
Sun River LLCCHI Operations IncHendricks, MN4 GWhJan 2001Dec 2024 Wind
Kramer Solar CSGNational Grid RenewablesHector, MN6 GWhNov 2017Dec 2024 Solar
TregoNorthern States Power Co - MinnesotaHayward, WI7 GWhDec 1926Dec 2024 Water
Hayfield Solar I LLC CSGREA Investments, LLCHayfield, MN2 GWhJan 2021Dec 2024 Solar
Hayfield Solar III LLC CSGREA Investments, LLCHayfield, MN2 GWhJan 2021Dec 2024 Solar
Dodge Renewables 2Dodge Renewables 2, LLCHayfield, MN2 GWhAug 2022Dec 2024 Solar
Kentucky MillsDomtar Paper Company LLCHawesville, KY286 GWhMay 2001Dec 2024 Black Liquor : 77.7% Wood/Wood Waste Solids : 22.3%
Cannelton Hydroelectric PlantAmerican Mun Power-Ohio, IncHawesville, KY416 GWhDec 2015Dec 2024 Water
Hastings SolarEnel Green Power NA, Inc.Hastings, MN9 GWhNov 2016Dec 2024 Solar
GRE Marshan SolarSoCore Energy LLCHastings, MN2 GWhOct 2017Dec 2024 Solar
Hastings City HydroelectricHastings Lock & DamHastings, MN13 GWhDec 1991Dec 2024 Water
Alden Road Harvard Solar 1Alden Road Harvard Solar 1, LLCHarvard, IL4 GWhNov 2020Dec 2024 Solar
USS Solar Way LLC CSGStandard SolarHartland, MN2 GWhOct 2020Dec 2024 Solar
USS All In Solar LLC CSGStandard SolarHartland, MN2 GWhSep 2020Dec 2024 Solar
Bent Tree Wind Farm Phase 1Wisconsin Power & Light CoHartland, MN343 GWhJan 2011Dec 2024 Wind
Waste Management Northern Oaks LFGTEWM Renewable Energy LLCHarrison, MI6 GWhOct 2010Dec 2024 Landfill Gas
Osceola Windpower IIOsceola Windpower IIHarris, IA197 GWhAug 2008Sep 2025 Wind
HarlanHarlan Municipal Utilities - (IA)Harlan, IA2 MWhJun 2001Dec 2024 Distillate Fuel Oil
Prairie Rose Wind FarmEnel Green Power NA, Inc.Hardwick, MN414 GWhNov 2012Sep 2025 Wind
Big Turtle Wind Farm, LLCDTE Sustainable GenerationHarbor Beach, MI70 GWhNov 2014Dec 2024 Wind
Sigel Wind ParkDTE Electric CompanyHarbor Beach, MI257 GWhNov 2012Sep 2025 Wind
Big Turtle Wind Farm 2DTE Electric CompanyHarbor Beach, MI107 GWhSep 2016Dec 2024 Wind
POET Biorefining-Hanlontown, LLCPOET Biorefining-Hanlontown, LLCHanlontown, IA12 GWhDec 2018Dec 2024 Natural Gas
Franklin County SolarMidAmerican Energy CoHampton, IA12 GWhDec 2021Dec 2024 Solar
General DynamicsToday's Power, Inc.Hampton, AR4 GWhOct 2020Dec 2024 Solar
Hampton MN GRESoCore Energy LLCHampton Township, MN4 GWhSep 2018Dec 2024 Solar
USS Martha Solar (CSG)United States Solar CorporationHamburg, MN2 GWhDec 2023Dec 2024 Solar
Ashley-Chicot SolarToday's Power, Inc.Hamburg, AR2 GWhJul 2018Dec 2024 Solar
HalstadCity of Halstad - (MN)Halstad, MN11 MWhAug 2007Dec 2024 Distillate Fuel Oil
Taft Cogeneration FacilityOccidental Chemical CorporationHahnville, LA5 TWhJun 2002Sep 2025 Natural Gas : 98.8% Other Gas : 1.2%
Trimbelle (Pierce Pepin)Greenbacker Renewable Energy CorporationHager City, WI3 GWhJan 2024Dec 2024 Solar
Platt SolarCannon River LLCHadley, MN2 GWhDec 2022Dec 2024 Solar
Leo Community SolarNational Grid RenewablesHadley, MN2 GWhNov 2018Dec 2024 Solar
Cataract (MI)Cataract Hydro, LLCGwinn, MI5 GWhJan 1988Dec 2024 Water
Green River SolarGreen River Solar, LLCGuston, KY200 GWh-Sep 2025 Solar
Grinnell CollegeAzimuth 180 Solar Electric, LLCGrinnell, IA2 GWhMar 2024Dec 2024 Solar
Venus Wind 3 LLCVenus Wind 3 LLCGrinnell, IA10 GWhFeb 2017Dec 2024 Wind
GriffithAltus Power America Management, LLCGriffith, IN3 GWhFeb 2013Dec 2024 Solar
Delta's Edge SolarCubico USA, LLCGreenwood, MS142 GWhOct 2023Sep 2025 Solar
Hurricane Creek Lift StationJohnson County Rural E M CGreenwood, IN143 MWhAug 2004Dec 2024 Distillate Fuel Oil
Pivot Energy Minnesota Solar 10Pivot EnergyGreenwald, MN1 GWhMay 2023Dec 2024 Solar
Gerald AndrusEntergy Mississippi LLCGreenville, MS435 GWhDec 1974Aug 2024 Natural Gas : 99.9%
Decatur Co. Solar RES (IN)Hoosier Energy R E C, IncGreensburg, IN1 GWhAug 2017Dec 2024 Solar
Greenfield WindGreenfield Wind Power, LLCGreenfield, IA5 GWhJul 2012Dec 2024 Wind
Meadow RidgeMeadow Ridge Wind Energy, LLCGreenfield, IA5 GWhJun 2012Dec 2024 Wind
WolverineWolverine Wind Energy, LLCGreenfield, IA5 GWhSep 2010Dec 2024 Wind
Arbor Hill Wind FarmMidAmerican Energy CoGreenfield, IA1 TWhNov 2018Sep 2025 Wind
Sky VoltSky Volt, LLCGreenfield, IA5 GWhJul 2012Dec 2024 Wind
North Generation PlantCity of Greenfield - (IA)Greenfield, IA105 MWhDec 2001Dec 2024 Distillate Fuel Oil
Downtown Generation PlantCity of Greenfield - (IA)Greenfield, IA58 MWhJun 2020Dec 2024 Distillate Fuel Oil
Arbor Hill SolarMidAmerican Energy CoGreenfield, IA46 GWhDec 2021Sep 2025 Solar
PulliamWisconsin Public Service CorpGreen Bay, WI109 GWhAug 1949Sep 2025 Natural Gas
Consumer Operations LLCGeorgia-Pacific Consumer Oper. Green Bay LLCGreen Bay, WI235 GWhDec 1953Sep 2025 Natural Gas
Elk Wind FarmGreenbacker Renewable Energy CorporationGreeley, IA178 GWhNov 2011Dec 2024 Wind
Grayling Generating StationNorthStar Clean EnergyGrayling, MI165 GWhApr 1992Dec 2024 Wood/Wood Waste Solids : 99.8%
Letts Creek Solar, LLCAES Distributed EnergyGrass Lake, MI28 GWhNov 2022Dec 2024 Solar
Putnam Solar 1Pivot EnergyGranville, IL2 GWhApr 2024Dec 2024 Solar
Putnam Solar 1BPivot EnergyGranville, IL2 GWhMay 2024Dec 2024 Solar
Crater Community SolarCrater Community SolarGranite Falls, MN5 GWhNov 2017Dec 2024 Solar
Granite FallsCity of Granite Falls - (MN)Granite Falls, MN3 GWhJul 1932Dec 2024 Water
Granite City WorksUnited States Steel Granite City WorksGranite City, IL438 GWhMay 2010Sep 2025 Natural Gas : 50.8% Purchased Steam : 49.2%
USS Itasca Clean Energy Solar LLCUnited States Solar CorporationGrand Rapids, MN4 GWhJul 2022Dec 2024 Solar
Rapids Energy CenterALLETE, Inc.Grand Rapids, MN40 GWhDec 1942Dec 2024 Natural Gas : 77.3% Water : 22.7%
Prairie RiverALLETE, Inc.Grand Rapids, MN2 GWhMar 1920Dec 2024 Water

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