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 655.2 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 | 35.8% Coal | 29% Wind | 14.8% Nuclear | 13.9% Solar | 4.4% 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 to 100 of 2,134
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
South Oak CreekWisconsin Electric Power CoOak Creek, WI2 TWhNov 1959Aug 2025 Subbituminous Coal : 99.6%
Dan E KarnConsumers Energy Co - (MI)Essexville, MI75 GWhOct 1959Aug 2025 Natural Gas : 93.7% Residual Fuel Oil : 6.3%
Independence Steam Electric StationEntergy Arkansas LLCNewark, AR6 TWhDec 1982Aug 2025 Subbituminous Coal : 99.8%
DegrayUSCE -Vickburg DistrictArkadelphia, AR207 GWhJan 1972Aug 2025 Water
High BridgeNorthern States Power Co - MinnesotaSt. Paul, MN3 TWhApr 2008Aug 2025 Natural Gas
George Neal SouthMidAmerican Energy CoSalix, IA1 TWhJun 1979Aug 2025 Subbituminous Coal : 99.0%
Clinton Power StationConstellation NuclearClinton, IL9 TWhOct 1987Aug 2025 Nuclear
Big StoneOtter Tail Power CoBig Stone City, SD2 TWhApr 1975Aug 2025 Subbituminous Coal : 99.8%
Baldwin Energy ComplexDynegy Midwest Generation IncBaldwin, IL7 TWhJun 1970Aug 2025 Subbituminous Coal : 99.8%
John P MadgettDairyland Power CoopAlma, WI1 TWhOct 1979Aug 2025 Subbituminous Coal : 99.7%
St ClairDTE Electric CompanyEast China Twp, MI4 GWhJul 1953Aug 2025 Natural Gas
OttumwaInterstate Power and Light CoOttumwa, IA3 TWhApr 1981Aug 2025 Subbituminous Coal : 99.7%
T B Simon Power PlantMichigan State UniversityEast Lansing, MI251 GWhNov 1965Aug 2025 Natural Gas
CoyoteOtter Tail Power CoBeulah, ND2 TWhApr 1981Aug 2025 Lignite Coal : 99.7%
WarrickAGC Division of APGI IncNewburgh, IN3 TWhMar 1960Aug 2025 Bituminous Coal : 98.5% Natural Gas : 1.5%
MoselleCooperative EnergyMoselle, MS2 TWhJul 1970Aug 2025 Natural Gas
WilmarthNorthern States Power Co - MinnesotaMankato, MN102 GWhAug 1948Aug 2025 Non-biogenic Municipal Solid Waste : 54.3% Biogenic Municipal Solid Waste : 44.5% Natural Gas : 1.2%
EdgewaterWisconsin Power & Light CoSheboygan, WI2 TWhJun 1951Aug 2025 Subbituminous Coal : 99.9%
GeneseoCity of Geneseo - (IL)Geneseo, IL8 GWhJun 1957Aug 2025 Wind : 76.0% Solar : 22.2%
Greenwood (MI)DTE Electric CompanyAvoca, MI928 GWhJun 1979Aug 2025 Natural Gas
Valley (WI)Wisconsin Electric Power CoMilwaukee, WI404 GWhMay 1968Aug 2025 Natural Gas
City of Peru Plank Road Generating StationCity of Peru - (IL)Peru, IL17 GWhSep 1968Aug 2025 Water : 98.5% Distillate Fuel Oil : 1.2%
Riverside (MN)Northern States Power Co - MinnesotaMinneapolis, MN1 TWhMar 1987Aug 2025 Natural Gas
RantoulVillage of Rantoul - (IL)Rantoul, IL199 MWhDec 1950Aug 2025 Distillate Fuel Oil
R D GreenBig Rivers Electric CorpRobards, KY714 GWhNov 1979Aug 2025 Natural Gas
DallmanCity of Springfield - (IL)Springfield, IL784 GWhMay 1968Aug 2025 Bituminous Coal : 99.6%
Arkansas Nuclear OneEntergy Arkansas LLCRussellville, AR15 TWhNov 1974Aug 2025 Nuclear
Sullivan (IL)City of Sullivan - (IL)Sullivan, IL248 MWhMay 1946Aug 2025 Distillate Fuel Oil
MeromHallador Power Company, LLCSullivan, IN5 TWhJan 1982Aug 2025 Bituminous Coal : 99.8%
MarionSouthern Illinois Power CoopMarion, IL763 GWhMay 1963Aug 2025 Bituminous Coal : 85.4% Natural Gas : 14.5%
Harding StreetAES IndianaIndianapolis, IN3 TWhMay 1958Aug 2025 Natural Gas
Eagle Valley (IN)AES IndianaMartinsville, IN6 TWhNov 1951Aug 2025 Natural Gas
CC Perry KCitizens Thermal EnergyIndianapolis, IN5 GWhDec 1924Aug 2025 Natural Gas
AES PetersburgAES IndianaPetersburg, IN4 TWhMay 1967Aug 2025 Bituminous Coal : 99.8%
Michigan CityNorthern Indiana Pub Serv CoMichigan City, IN1 TWhApr 1974Aug 2025 Subbituminous Coal : 77.8% Bituminous Coal : 20.2% Natural Gas : 2.0%
ManitowocManitowoc Public UtilitiesManitowoc, WI176 GWhMay 1955Aug 2025 Wood/Wood Waste Solids : 92.6% Petroleum Coke : 4.1% Bituminous Coal : 3.0%
CayugaDuke Energy Indiana, LLCCayuga, IN4 TWhSep 1970Aug 2025 Bituminous Coal : 99.6%
EdwardsportDuke Energy Indiana, LLCEdwardsport, IN4 TWhMay 2013Aug 2025 Natural Gas : 54.3% Coal-Derived Synthesis Gas : 38.6% Bituminous Coal : 7.0%
Port Washington Generating StationWisconsin Electric Power CoPort Washington, WI7 TWhJun 2005Aug 2025 Natural Gas
Lewis & ClarkMontana-Dakota Utilities CoRichland, MT7 GWhSep 1958Aug 2025 Natural Gas
F B CulleySouthern Indiana Gas & Elec CoNewburgh, IN1 TWhNov 1966Aug 2025 Bituminous Coal : 96.1% Natural Gas : 3.9%
Belle RiverDTE Electric CompanyChina Twp, MI8 TWhOct 1981Aug 2025 Subbituminous Coal : 93.4% Natural Gas : 6.2%
Iowa Hydro LLCRenewable World Energies LLCMaquoketa, IA6 GWhDec 1923Aug 2025 Water
PulliamWisconsin Public Service CorpGreen Bay, WI111 GWhAug 1949Aug 2025 Natural Gas
Prairie CreekInterstate Power and Light CoCedar Rapids, IA75 GWhSep 1958Aug 2025 Subbituminous Coal : 65.9% Natural Gas : 34.1%
WilmotDTE Electric CompanyKingston Twp, MI325 MWhNov 1968Aug 2025 Distillate Fuel Oil
Walter Scott Jr Energy CenterMidAmerican Energy CoCouncil Bluffs, IA6 TWhFeb 1954Aug 2025 Subbituminous Coal : 99.0% Distillate Fuel Oil : 0.8%
State FarmState Farm InsuranceBloomington, IL30 MWhSep 1996Aug 2025 Distillate Fuel Oil
George Neal NorthMidAmerican Energy CoSergeant Bluff, IA1 TWhApr 1964Aug 2025 Subbituminous Coal : 99.0% Natural Gas : 1.0%
D B WilsonBig Rivers Electric CorpCentertown, KY2 TWhAug 1984Aug 2025 Bituminous Coal : 99.4% Distillate Fuel Oil : 0.6%
Burlington (IA)Interstate Power and Light CoBurlington, IA11 GWhMay 1968Aug 2025 Natural Gas
LouisaMidAmerican Energy CoMuscatine, IA4 TWhSep 1983Aug 2025 Subbituminous Coal : 99.2% Natural Gas : 0.8%
Brame Energy CenterCleco Power LLCLena, LA2 TWhMay 1975Aug 2025 Subbituminous Coal : 53.1% Natural Gas : 31.7% Petroleum Coke : 11.2% Bituminous Coal : 4.0%
CF Industries Yazoo City ComplexCF Industries Nitrogen LLCYazoo City, MS145 GWhJun 1984Aug 2025 Natural Gas
Covanta Hennepin EnergyCovanta Energy CoMinneapolis, MN169 GWhSep 1989Aug 2025 Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.6%
Emery StationInterstate Power and Light CoClear Lake, IA2 TWhApr 2004Aug 2025 Natural Gas
Escanaba MillBillerud Escanaba LLCEscanaba, MI474 GWhDec 1968Aug 2025 Black Liquor : 44.9% Natural Gas : 31.5% Wood/Wood Waste Solids : 23.0% Residual Fuel Oil : 0.7%
Anheuser-Busch St LouisAnheuser-Busch IncSt. Louis, MO42 GWhDec 1938Aug 2025 Natural Gas : 93.1% Other Biomass Gas : 6.9%
Consumer Operations LLCGeorgia-Pacific Consumer Oper. Green Bay LLCGreen Bay, WI232 GWhDec 1953Aug 2025 Natural Gas
Mosaic Phosphates Uncle SamMosaic Phosphates Co.Uncle Sam, LA14 GWhDec 1967Aug 2025 Waste Heat
Columbia (WI)Wisconsin Power & Light CoPardeville, WI6 TWhApr 1975Aug 2025 Subbituminous Coal : 99.9%
River BendEntergy Louisiana LLCSt. Francisville, LA7 TWhMay 1986Aug 2025 Nuclear
Monroe (MI)DTE Electric CompanyMonroe, MI15 TWhOct 1969Aug 2025 Subbituminous Coal : 74.1% Bituminous Coal : 16.5% Petroleum Coke : 9.2%
M L HibbardALLETE, Inc.Duluth, MN94 GWhMay 1949Aug 2025 Wood/Wood Waste Solids : 92.5% Subbituminous Coal : 6.6% Natural Gas : 1.0%
Monticello Nuclear FacilityNorthern States Power Co - MinnesotaMonticello, MN5 TWhMay 1971Aug 2025 Nuclear
Allen S KingNorthern States Power Co - MinnesotaOak Park Heights, MN721 GWhFeb 1958Aug 2025 Subbituminous Coal : 99.7%
Clay BoswellALLETE, Inc.Cohasset, MN5 TWhJun 1958Aug 2025 Subbituminous Coal : 99.7%
FermiDTE Electric CompanyFrenchtown Twp, MI10 TWhMar 1966Aug 2025 Nuclear
LabadieUnion Electric Co - (MO)Labadie, MO15 TWhMay 1970Aug 2025 Subbituminous Coal : 99.9%
Elk RiverGreat River EnergyElk River, MN69 GWhDec 1950Aug 2025 Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Red WingNorthern States Power Co - MinnesotaRed Wing, MN126 GWhSep 1949Aug 2025 Non-biogenic Municipal Solid Waste : 52.5% Biogenic Municipal Solid Waste : 43.0% Wood/Wood Waste Solids : 3.8% Natural Gas : 0.8%
R M HeskettMontana-Dakota Utilities CoMandan, ND51 GWhOct 1954Aug 2025 Natural Gas
Milton R YoungMinnkota Power Coop, IncCenter, ND4 TWhSep 1970Aug 2025 Lignite Coal : 99.8%
SiouxUnion Electric Co - (MO)West Alton, MO4 TWhApr 1967Aug 2025 Subbituminous Coal : 73.2% Bituminous Coal : 26.7%
Prairie IslandNorthern States Power Co - MinnesotaWelch, MN8 TWhJan 1974Aug 2025 Nuclear
J H CampbellConsumers Energy Co - (MI)West Olive, MI9 TWhSep 1962Aug 2025 Subbituminous Coal : 99.2% Bituminous Coal : 0.6%
Point Beach Nuclear PlantNextEra Energy Point Beach LLCTwo Rivers, WI10 TWhMay 1969Aug 2025 Nuclear
Muscatine Plant #1Board of Water Electric & CommunicationsMuscatine, IA733 GWhMar 1958Aug 2025 Subbituminous Coal : 99.7%
French IslandNorthern States Power Co - MinnesotaLa Cross, WI61 GWhDec 1939Aug 2025 Wood/Wood Waste Solids : 45.5% Non-biogenic Municipal Solid Waste : 27.8% Biogenic Municipal Solid Waste : 22.8% Distillate Fuel Oil : 3.6%
New BadgerCity of KaukaunaKaukauna, WI48 GWhDec 2013Aug 2025 Water
Little GypsyEntergy Louisiana LLCLa Place, LA784 GWhFeb 1961Aug 2025 Natural Gas
White BluffEntergy Arkansas LLCRedfield, AR3 TWhJul 1980Aug 2025 Subbituminous Coal : 99.6%
Waterford 3Entergy Louisiana LLCKillona, LA8 TWhAug 1985Aug 2025 Nuclear
WestonWisconsin Public Service CorpRothschild, WI5 TWhNov 1954Aug 2025 Subbituminous Coal : 99.5% Natural Gas : 0.5%
SabineEntergy Texas Inc.Orange, TX4 TWhDec 1961Aug 2025 Natural Gas
R D MorrowCooperative EnergyPurvis, MS3 TWhMar 1978Aug 2025 Natural Gas
Big Cajun 2Louisiana Generating LLCNew Roads, LA2 TWhJun 1981Aug 2025 Subbituminous Coal : 69.7% Natural Gas : 30.3%
Coal CreekRainbow Energy CenterUnderwood, ND8 TWhMay 1979Aug 2025 Refined Coal : 99.9%
R M SchahferNorthern Indiana Pub Serv CoWheatfield, IN2 TWhNov 1976Aug 2025 Bituminous Coal : 93.7% Natural Gas : 6.3%
GibsonDuke Energy Indiana, LLCOwensville, IN10 TWhMar 1975Aug 2025 Bituminous Coal : 99.6%
Sherburne CountyNorthern States Power Co - MinnesotaBecker, MN7 TWhMar 1976Aug 2025 Subbituminous Coal : 99.9%
Grand GulfSystem Energy Resources, IncPort Gibson, MS11 TWhJun 1985Aug 2025 Nuclear
NewtonIllinois Power Generating CoNewton, IL4 TWhOct 1977Aug 2025 Subbituminous Coal : 99.9%
Lewis CreekEntergy Texas Inc.Willis, TX2 TWhNov 1970Aug 2025 Natural Gas
CallawayUnion Electric Co - (MO)Fulton, MO8 TWhNov 1984Aug 2025 Nuclear
Nine Mile PointEntergy Louisiana LLCWestwego, LA8 TWhOct 1955Aug 2025 Natural Gas
Louisiana 1Entergy Louisiana LLCBaton Rouge, LA3 TWhSep 1951Aug 2025 Natural Gas : 72.1% Other Gas : 27.9%
R S NelsonEntergy Louisiana LLCWestlake, LA2 TWhJan 1959Aug 2025 Subbituminous Coal : 99.6%
Coughlin Power StationCleco Power LLCSt Landry, LA4 TWhMar 1961Aug 2025 Natural Gas
A B BrownSouthern Indiana Gas & Elec CoMount Vernon, IN337 GWhFeb 1979Aug 2025 Natural Gas

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RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC870.3 TWh2,465
#2Midcontinent Independent System Operator, Inc.655.2 TWh2,831
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#5Southwest Power Pool299.8 TWh835
#6Southern Company Services, Inc. - Trans250.6 TWh417
#7California Independent System Operator188.1 TWh2,075
#9Tennessee Valley Authority161.5 TWh204
#10Florida Power & Light Co.148.6 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.7 TWh565