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 1,101 to 1,200 of 2,137
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Magnet CoveArkansas Electric Coop CorpMalvern, AR4 TWhJun 2005Sep 2025 Natural Gas
Main Street (MI)Village of Sebewaing - (MI)Sebewaing, MI1 MWhMay 1947Dec 2023 Distillate Fuel Oil
Malmedal Solar GardenMalmedal Garden LLCStarbuck, MN2 GWhJun 2019Dec 2024 Solar
ManistiqueCloverland Electric Co-opManistique, MI1 GWhJun 1960Dec 2024 Distillate Fuel Oil
ManitowocManitowoc Public UtilitiesManitowoc, WI179 GWhMay 1955Sep 2025 Wood/Wood Waste Solids : 91.2% Petroleum Coke : 4.8% Bituminous Coal : 3.6%
Mankato Energy CenterMEC Holdings, LLCMankato, MN3 TWhJun 2006Dec 2024 Natural Gas
Mansfield MillIPC-Mansfield MillMansfield, LA811 GWhSep 1981Sep 2025 Natural Gas : 55.4% Black Liquor : 30.8% Wood/Wood Waste Solids : 11.8% Tire-derived Fuels : 2.0%
Maple FlatsInvenergy Services LLCLouisville, IL431 GWhOct 2024Sep 2025 Solar
Maple LakeGreat River EnergyMaple Lake, MN176 MWhApr 1978Dec 2024 Distillate Fuel Oil
Mapleton Community SolarMapleton Community SolarMapleton, MN5 GWhMay 2017Dec 2024 Solar
MarcelineCity of Marceline - (MO)Marceline, MO4 MWhJul 1989Dec 2024 Distillate Fuel Oil
Marigold Community Solar Garden, LLCNational Grid RenewablesWaterville, MN2 GWhDec 2020Dec 2024 Solar
MarionSouthern Illinois Power CoopMarion, IL762 GWhMay 1963Sep 2025 Bituminous Coal : 85.9% Natural Gas : 14.0%
Marion GardenExcelsior Energy CapitalFaribault, MN2 GWhOct 2020Dec 2024 Solar
Marion Solar 4b LLCPivot EnergySandoval, IL970 MWhApr 2024Dec 2024 Solar
Marion Solar LNGMarion Solar LLCIndianapolis, IN2 GWhSep 2015Dec 2024 Solar
MarklandDuke Energy Indiana, LLCFlorence, IN299 GWhDec 1966Dec 2024 Water
Marlow Solar, LLC CSGMarlow Solar, LLCBluford, IL4 GWhNov 2020Dec 2024 Solar
Marmas Solar CSGNational Grid RenewablesSt. Cloud, MN6 GWhMar 2018Dec 2024 Solar
Marquette Energy CenterCity of Marquette - (MI)Marquette, MI162 GWhJul 2017Dec 2024 Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
Marshall (IL)City of Marshall - (IL)Marshall, IL116 MWhMar 2002Dec 2024 Distillate Fuel Oil
Marshall (MI)City of Marshall - (MI)Marshall, MI704 MWhMay 1928Dec 2024 Water
Marshall (MN)City of Marshall - (MN)Marshall, MN60 MWhJun 1969Dec 2024 Distillate Fuel Oil
Marshall Solar Energy ProjectMarshall Solar Energy ProjectMarshall, MN96 GWhDec 2016Sep 2025 Solar
Marshall Solar Plus LLCWestern Minnesota Mun Pwr AgnyMarshall, MN539 MWhNov 2024Dec 2024 Solar
Marshall Wind 1 LLCMarshall Wind Farm, LLCMarshall, MN3 GWhNov 2007Dec 2024 Wind
Marshall Wind 2 LLCMarshall Wind Farm, LLCMarshall, MN6 GWhNov 2007Dec 2024 Wind
Marshall Wind 3 LLCMarshall Wind Farm, LLCMarshall, MN6 GWhNov 2007Dec 2024 Wind
Marshall Wind 4 LLCMarshall Wind Farm, LLCMarshall, MN6 GWhNov 2007Dec 2024 Wind
Marshall Wind 5 LLCMarshall Wind Farm, LLCMarshall, MN2 GWhNov 2007Dec 2024 Wind
Marshall Wind 6 LLCMarshall Wind Farm, LLCMarshall, MN3 GWhNov 2007Dec 2024 Wind
MarshalltownInterstate Power and Light CoMarshalltown, IA79 GWhMay 1978Dec 2024 Natural Gas
Marshalltown Generating StationInterstate Power and Light CoMarshalltown, IA3 TWhMar 2017Sep 2025 Natural Gas : 99.9%
Marshfield Utilities Gas PlantCity of Marshfield - (WI)Marshfield, WI4 GWhMay 2011Dec 2024 Natural Gas
Maston Garden SolarMaston Garden LLCKasson, MN2 GWhApr 2020Dec 2024 Solar
May Shannon Solar, LLCMay Shannon Solar, LLCClio, MI4 GWhNov 2020Dec 2024 Solar
Maywood Photovoltaic ProjectENI New Energy US IncIndianapolis, IN11 GWhFeb 2014Dec 2024 Solar
McClellan (AR)Arkansas Electric Coop CorpCamden, AR43 GWhApr 1972Dec 2024 Natural Gas : 92.3% Distillate Fuel Oil : 7.7%
McClure DamUpper Peninsula Power CompanyMarquette, MI32 GWhJan 1988Dec 2024 Water
McDonald Solar Farm, LLCCypress Creek RenewablesWest Terre Haute, IN8 GWhNov 2015Dec 2024 Solar
McDonough Solar 1, LLC CSGMcDonough Solar 1, LLCBlandinsville, IL4 GWhNov 2020Dec 2024 Solar
McGregorCity of McGregor- (IA)McGregor, IA7 MWhNov 1941Dec 2024 Distillate Fuel Oil
McKinley Wind ParkDTE Electric CompanyPigeon, MI52 GWhNov 2012Sep 2025 Wind
McLeod Community Solar One LLC CSGMadison Energy Holdings LLCStewart, MN2 GWhNov 2019Dec 2024 Solar
Meadow Lake Wind Farm VI LLCMeadow Lake Wind Farm VI LLCRemington, IN640 GWhOct 2018Sep 2025 Wind
Meadow RidgeMeadow Ridge Wind Energy, LLCGreenfield, IA5 GWhJun 2012Dec 2024 Wind
Medford DPC SolarSoCore Energy LLCMedford, WI3 GWhJan 2017Sep 2025 Solar
Medin 2 Community Solar LLC CSGMedin 2 Community Solar LLCCenter City, MN2 GWhJul 2021Dec 2024 Solar
Medin CSGMadison Energy Holdings LLCCenter City, MN2 GWhNov 2021Dec 2024 Solar
Meeker Community Solar One LLC CSGMadison Energy Holdings LLCDassel, MN2 GWhNov 2019Dec 2024 Solar
MelroseMelrose Public UtilitiesMelrose, MN49 MWhJun 1945Dec 2024 Distillate Fuel Oil
Melrose 2Melrose Public UtilitiesMelrose, MN3 MWhFeb 2014Dec 2024 Distillate Fuel Oil
Menominee Mill MarinetteEagle Creek Renewable Energy, LLCMenominee, MI12 GWhDec 1923Sep 2025 Water
MenomonieNorthern States Power Co - MinnesotaMenomonie, WI24 GWhDec 1957Dec 2024 Water
Meridian Wind ParkDTE Electric CompanyMerrill, MI501 GWhMar 2023Sep 2025 Wind
Merl ParrMidAmerican Energy CoCharles City, IA432 MWhApr 1969Dec 2024 Natural Gas
MeromHallador Power Company, LLCSullivan, IN5 TWhJan 1982Sep 2025 Bituminous Coal : 99.8%
Merricourt Wind Energy CenterOtter Tail Power CoKulm, ND603 GWhNov 2020Sep 2025 Wind
MerrillWisconsin Public Service CorpMerrill, WI4 GWhFeb 1917Dec 2024 Water
Metro Gas RecoveryWM Renewable Energy LLCFranklin, WI37 GWhNov 1985Dec 2024 Landfill Gas
Metro Methane Recovery FacilityWM Renewable Energy LLCMitchellville, IA80 GWhDec 1997Sep 2025 Landfill Gas
MexicoUnion Electric Co - (MO)Mexico, MO767 MWhAug 1978Dec 2024 Distillate Fuel Oil
Michael SolarSoCore Energy LLCFreeport, MN7 GWhNov 2017Dec 2024 Solar
Michelangelo Wind 1 LLCMichelangelo Wind 1 LLCHuxley, IA8 GWhFeb 2017Dec 2024 Wind
Michelangelo Wind 3 LLCMichelangelo Wind 3 LLCHuxley, IA9 GWhJan 2017Dec 2024 Wind
Michelangelo Wind 4 LLCMichelangelo Wind 4 LLCAmes, IA10 GWhNov 2016Dec 2024 Wind
Michigamme FallsWisconsin Electric Power CoCrystal Falls, MI23 GWhMay 1953Dec 2024 Water
Michigan CityNorthern Indiana Pub Serv CoMichigan City, IN1 TWhApr 1974Sep 2025 Subbituminous Coal : 78.0% Bituminous Coal : 20.3% Natural Gas : 1.7%
Michigan Power LPMichigan Power Limited PartnershipLudington, MI1 TWhSep 1995Dec 2024 Natural Gas
Michigan Wind 1Michigan Wind 1, LLCUbly, MI158 GWhNov 2008Dec 2024 Wind
Michigan Wind 2Michigan Wind 2, LLCMinden City, MI327 GWhNov 2011Dec 2024 Wind
Midcontinent Solar, LLCMidcontinent Solar, LLCOwosso, MI37 GWhSep 2023Dec 2024 Solar
Middlebury SolarEcos Energy LLCMiddlebury, IN457 MWhOct 2012Oct 2024 Solar
Middleton Airport SolarMadison Gas & Electric CoMiddleton, WI8 GWhJun 2020Dec 2024 Solar
Middleton Biogas Solar, LLCMiddleton Biogas Solar, LLCMiddleton, WI2 GWhApr 2022Dec 2024 Solar
Midland Cogeneration VentureMidland Cogeneration VentureMidland, MI10 TWhMay 1989Sep 2025 Natural Gas
Milam Gas RecoveryWM Illinois Renewable Energy LLCEast St. Lois, IL19 GWhMar 1991Dec 2024 Natural Gas
Miles City GTMontana-Dakota Utilities CoMiles City, MT331 MWhApr 1972Dec 2024 Natural Gas : 97.0% Distillate Fuel Oil : 3.0%
Milton R YoungMinnkota Power Coop, IncCenter, ND4 TWhSep 1970Sep 2025 Lignite Coal : 99.8%
Minden Wind ParkDTE Electric CompanyMinden City, MI111 GWhNov 2012Sep 2025 Wind
MinnDakota Wind LLCAvangrid Power LLCIvanhoe, MN283 GWhDec 2007Dec 2024 Wind
Minnesota Breeze LLCMidwest Power Partners LLCRushmore, MN2 GWhApr 2006Dec 2024 Wind
Minnesota RiverMinnesota Municipal Power AgnyChaska, MN6 GWhApr 2001Dec 2024 Natural Gas
MinwindCommunity Renewables, LLCLuverne, MN276 MWhSep 2002Dec 2024 Wind
MioConsumers Energy Co - (MI)Mio, MI14 GWhDec 1915Dec 2024 Water
MMSD Jones Island WastewaterMilwaukee Metro Sewerage DistMilwaukee, WI74 GWhDec 1970Sep 2025 Natural Gas : 79.4% Landfill Gas : 19.3% Distillate Fuel Oil : 1.3%
MMSD South Shore WastewaterMilwaukee Metro Sewerage DistOak Creek, WI26 GWhJul 2000Dec 2024 Other Biomass Gas : 88.7% Natural Gas : 11.3%
MN Buffalo Lake 212-1 LLC (CSG)United States Solar CorporationBuffalo Lake, MN2 GWhNov 2023Dec 2024 Solar
MN Buffalo Lake 212-2 LLC (CSG)United States Solar CorporationBuffalo Lake, MN2 GWhNov 2023Dec 2024 Solar
MN CSG 2019-16 LLCMN CSG 2019-16 LLCMankato, MN2 GWhMay 2022Dec 2024 Solar
MN CSG 2019-38 DE LLCMN CSG 2019-38 DE LLCCleveland, MN2 GWhOct 2022Dec 2024 Solar
MN East Regal LLC (CSG)United States Solar CorporationPaynesville, MN179 MWhJul 2024Dec 2024 Solar
MNDOT Standby GenerationState of Minnesota Department of AdministrationSt. Paul, MN38 MWhJun 1995Aug 2025 Distillate Fuel Oil
MoberlyUnion Electric Co - (MO)Moberly, MO34 MWhJul 1978Dec 2024 Distillate Fuel Oil
MolineMidAmerican Energy CoMoline, IL19 GWhDec 1941Dec 2024 Water : 94.4% Natural Gas : 5.6%
Monroe (MI)DTE Electric CompanyMonroe, MI16 TWhOct 1969Sep 2025 Subbituminous Coal : 74.0% Bituminous Coal : 16.6% Petroleum Coke : 9.2%
Montevideo Solar LLC, CSGMontevideo Solar LLCMontevideo, MN10 GWhDec 2018Dec 2024 Solar
MontezumaCity of Montezuma - (IA)Montezuma, IA119 MWhJul 1940Dec 2024 Distillate Fuel Oil : 63.8% Natural Gas : 36.2%
Montfort Wind Energy CenterWisconsin Electric Power CoMontfort, WI56 GWhMay 2002Sep 2025 Wind
Montgomery CountyEntergy Texas Inc.Willis, TX7 TWhDec 2020Aug 2025 Natural Gas

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