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 Jan 2026
Annual Generation 656.9 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 | 35.4% Coal | 28.9% Wind | 15.1% Nuclear | 14% Solar | 4.6% 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 2,139
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
South Oak CreekWisconsin Electric Power CoOak Creek, WI2 TWhNov 1959Oct 2025 Subbituminous Coal : 99.7%
Dan E KarnConsumers Energy Co - (MI)Essexville, MI93 GWhOct 1959Oct 2025 Natural Gas : 93.1% Residual Fuel Oil : 6.9%
Independence Steam Electric StationEntergy Arkansas LLCNewark, AR6 TWhDec 1982Oct 2025 Subbituminous Coal : 99.8%
DegrayUSCE -Vickburg DistrictArkadelphia, AR214 GWhJan 1972Oct 2025 Water
High BridgeNorthern States Power Co - MinnesotaSt. Paul, MN3 TWhApr 2008Oct 2025 Natural Gas
George Neal SouthMidAmerican Energy CoSalix, IA2 TWhJun 1979Oct 2025 Subbituminous Coal : 99.0% Distillate Fuel Oil : 1.0%
Clinton Power StationConstellation NuclearClinton, IL8 TWhOct 1987Oct 2025 Nuclear
Big StoneOtter Tail Power CoBig Stone City, SD2 TWhApr 1975Oct 2025 Subbituminous Coal : 99.8%
Baldwin Energy ComplexDynegy Midwest Generation IncBaldwin, IL7 TWhJun 1970Oct 2025 Subbituminous Coal : 99.8%
John P MadgettDairyland Power CoopAlma, WI1 TWhOct 1979Oct 2025 Subbituminous Coal : 99.8%
St ClairDTE Electric CompanyEast China Twp, MI4 GWhJul 1953Oct 2025 Natural Gas
OttumwaInterstate Power and Light CoOttumwa, IA3 TWhApr 1981Oct 2025 Subbituminous Coal : 99.7%
T B Simon Power PlantMichigan State UniversityEast Lansing, MI247 GWhNov 1965Oct 2025 Natural Gas
CoyoteOtter Tail Power CoBeulah, ND2 TWhApr 1981Oct 2025 Lignite Coal : 99.7%
WarrickAGC Division of APGI IncNewburgh, IN3 TWhMar 1960Oct 2025 Bituminous Coal : 98.5% Natural Gas : 1.5%
MoselleCooperative EnergyMoselle, MS2 TWhJul 1970Oct 2025 Natural Gas
WilmarthNorthern States Power Co - MinnesotaMankato, MN98 GWhAug 1948Oct 2025 Non-biogenic Municipal Solid Waste : 54.3% Biogenic Municipal Solid Waste : 44.4% Natural Gas : 1.2%
EdgewaterWisconsin Power & Light CoSheboygan, WI2 TWhJun 1951Oct 2025 Subbituminous Coal : 99.9%
GeneseoCity of Geneseo - (IL)Geneseo, IL8 GWhJun 1957Oct 2025 Wind : 76.4% Solar : 21.9%
Greenwood (MI)DTE Electric CompanyAvoca, MI1 TWhJun 1979Oct 2025 Natural Gas
Valley (WI)Wisconsin Electric Power CoMilwaukee, WI357 GWhMay 1968Oct 2025 Natural Gas
City of Peru Plank Road Generating StationCity of Peru - (IL)Peru, IL18 GWhSep 1968Oct 2025 Water : 98.6% Distillate Fuel Oil : 1.1%
Riverside (MN)Northern States Power Co - MinnesotaMinneapolis, MN818 GWhMar 1987Oct 2025 Natural Gas
RantoulVillage of Rantoul - (IL)Rantoul, IL203 MWhDec 1950Oct 2025 Distillate Fuel Oil
R D GreenBig Rivers Electric CorpRobards, KY694 GWhNov 1979Oct 2025 Natural Gas
DallmanCity of Springfield - (IL)Springfield, IL817 GWhMay 1968Oct 2025 Bituminous Coal : 99.5%
Arkansas Nuclear OneEntergy Arkansas LLCRussellville, AR15 TWhNov 1974Oct 2025 Nuclear
Sullivan (IL)City of Sullivan - (IL)Sullivan, IL245 MWhMay 1946Oct 2025 Distillate Fuel Oil
MeromHallador Power Company, LLCSullivan, IN5 TWhJan 1982Oct 2025 Bituminous Coal : 99.8%
MarionSouthern Illinois Power CoopMarion, IL751 GWhMay 1963Oct 2025 Bituminous Coal : 87.7% Natural Gas : 12.2%
Harding StreetAES IndianaIndianapolis, IN3 TWhMay 1958Oct 2025 Natural Gas
Eagle Valley (IN)AES IndianaMartinsville, IN6 TWhNov 1951Oct 2025 Natural Gas
CC Perry KCitizens Thermal EnergyIndianapolis, IN8 GWhDec 1924Oct 2025 Natural Gas
AES PetersburgAES IndianaPetersburg, IN5 TWhMay 1967Oct 2025 Bituminous Coal : 99.8%
Michigan CityNorthern Indiana Pub Serv CoMichigan City, IN1 TWhApr 1974Oct 2025 Subbituminous Coal : 77.7% Bituminous Coal : 20.3% Natural Gas : 2.0%
WyandotteWyandotte Municipal Serv CommWyandotte, MI47 MWhDec 1947Oct 2025 Distillate Fuel Oil
ManitowocManitowoc Public UtilitiesManitowoc, WI191 GWhMay 1955Oct 2025 Wood/Wood Waste Solids : 91.6% Petroleum Coke : 4.6% Bituminous Coal : 3.4%
CayugaDuke Energy Indiana, LLCCayuga, IN4 TWhSep 1970Oct 2025 Bituminous Coal : 99.5%
EdwardsportDuke Energy Indiana, LLCEdwardsport, IN4 TWhMay 2013Oct 2025 Coal-Derived Synthesis Gas : 46.6% Natural Gas : 44.4% Bituminous Coal : 9.1%
Port Washington Generating StationWisconsin Electric Power CoPort Washington, WI7 TWhJun 2005Oct 2025 Natural Gas
Lewis & ClarkMontana-Dakota Utilities CoRichland, MT8 GWhSep 1958Oct 2025 Natural Gas
F B CulleySouthern Indiana Gas & Elec CoNewburgh, IN1 TWhNov 1966Oct 2025 Bituminous Coal : 95.9% Natural Gas : 4.1%
Appleseed SolarAppleseed Solar, LLCLogansport, IN75 GWh-Oct 2025 Solar
Iowa Hydro LLCRenewable World Energies LLCMaquoketa, IA6 GWhDec 1923Oct 2025 Water
PulliamWisconsin Public Service CorpGreen Bay, WI111 GWhAug 1949Oct 2025 Natural Gas
Prairie CreekInterstate Power and Light CoCedar Rapids, IA90 GWhSep 1958Oct 2025 Subbituminous Coal : 64.4% Natural Gas : 35.6%
WilmotDTE Electric CompanyKingston Twp, MI341 MWhNov 1968Oct 2025 Distillate Fuel Oil
Walter Scott Jr Energy CenterMidAmerican Energy CoCouncil Bluffs, IA6 TWhFeb 1954Oct 2025 Subbituminous Coal : 99.0% Distillate Fuel Oil : 0.8%
State FarmState Farm InsuranceBloomington, IL26 MWhSep 1996Oct 2025 Distillate Fuel Oil
George Neal NorthMidAmerican Energy CoSergeant Bluff, IA2 TWhApr 1964Oct 2025 Subbituminous Coal : 99.2% Natural Gas : 0.8%
D B WilsonBig Rivers Electric CorpCentertown, KY2 TWhAug 1984Oct 2025 Bituminous Coal : 99.3% Distillate Fuel Oil : 0.7%
Burlington (IA)Interstate Power and Light CoBurlington, IA15 GWhMay 1968Oct 2025 Natural Gas
LouisaMidAmerican Energy CoMuscatine, IA4 TWhSep 1983Oct 2025 Subbituminous Coal : 99.2% Natural Gas : 0.8%
Brame Energy CenterCleco Power LLCLena, LA3 TWhMay 1975Oct 2025 Subbituminous Coal : 45.1% Natural Gas : 31.6% Petroleum Coke : 16.6% Bituminous Coal : 6.7%
CF Industries Yazoo City ComplexCF Industries Nitrogen LLCYazoo City, MS153 GWhJun 1984Oct 2025 Natural Gas
Covanta Hennepin EnergyCovanta Energy CoMinneapolis, MN170 GWhSep 1989Oct 2025 Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.7%
Emery StationInterstate Power and Light CoClear Lake, IA2 TWhApr 2004Oct 2025 Natural Gas
Escanaba MillBillerud Escanaba LLCEscanaba, MI467 GWhDec 1968Oct 2025 Black Liquor : 45.6% Natural Gas : 30.6% Wood/Wood Waste Solids : 23.1% Residual Fuel Oil : 0.7%
Anheuser-Busch St LouisAnheuser-Busch IncSt. Louis, MO42 GWhDec 1938Oct 2025 Natural Gas : 93.3% Other Biomass Gas : 6.7%
Consumer Operations LLCGeorgia-Pacific Consumer Oper. Green Bay LLCGreen Bay, WI224 GWhDec 1953Oct 2025 Natural Gas
Mosaic Phosphates Uncle SamMosaic Phosphates Co.Uncle Sam, LA41 GWhDec 1967Oct 2025 Waste Heat
Columbia (WI)Wisconsin Power & Light CoPardeville, WI6 TWhApr 1975Oct 2025 Subbituminous Coal : 99.9%
River BendEntergy Louisiana LLCSt. Francisville, LA7 TWhMay 1986Oct 2025 Nuclear
Monroe (MI)DTE Electric CompanyMonroe, MI16 TWhOct 1969Oct 2025 Subbituminous Coal : 74.1% Bituminous Coal : 16.5% Petroleum Coke : 9.1%
M L HibbardALLETE, Inc.Duluth, MN99 GWhMay 1949Oct 2025 Wood/Wood Waste Solids : 93.1% Subbituminous Coal : 6.0% Natural Gas : 0.8%
Monticello Nuclear FacilityNorthern States Power Co - MinnesotaMonticello, MN5 TWhMay 1971Oct 2025 Nuclear
Allen S KingNorthern States Power Co - MinnesotaOak Park Heights, MN723 GWhFeb 1958Oct 2025 Subbituminous Coal : 99.7%
Clay BoswellALLETE, Inc.Cohasset, MN6 TWhJun 1958Oct 2025 Subbituminous Coal : 99.7%
FermiDTE Electric CompanyFrenchtown Twp, MI10 TWhMar 1966Oct 2025 Nuclear
LabadieUnion Electric Co - (MO)Labadie, MO16 TWhMay 1970Oct 2025 Subbituminous Coal : 99.9%
Elk RiverGreat River EnergyElk River, MN76 GWhDec 1950Oct 2025 Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Red WingNorthern States Power Co - MinnesotaRed Wing, MN127 GWhSep 1949Oct 2025 Non-biogenic Municipal Solid Waste : 52.3% Biogenic Municipal Solid Waste : 42.8% Wood/Wood Waste Solids : 4.1% Natural Gas : 0.8%
R M HeskettMontana-Dakota Utilities CoMandan, ND57 GWhOct 1954Oct 2025 Natural Gas
Milton R YoungMinnkota Power Coop, IncCenter, ND4 TWhSep 1970Oct 2025 Lignite Coal : 99.9%
SiouxUnion Electric Co - (MO)West Alton, MO4 TWhApr 1967Oct 2025 Subbituminous Coal : 73.7% Bituminous Coal : 26.2%
Prairie IslandNorthern States Power Co - MinnesotaWelch, MN8 TWhJan 1974Oct 2025 Nuclear
J H CampbellConsumers Energy Co - (MI)West Olive, MI8 TWhSep 1962Oct 2025 Subbituminous Coal : 99.8%
Point Beach Nuclear PlantNextEra Energy Point Beach LLCTwo Rivers, WI10 TWhMay 1969Oct 2025 Nuclear
Muscatine Plant #1Board of Water Electric & CommunicationsMuscatine, IA727 GWhMar 1958Oct 2025 Subbituminous Coal : 99.7%
French IslandNorthern States Power Co - MinnesotaLa Cross, WI60 GWhDec 1939Oct 2025 Wood/Wood Waste Solids : 47.8% Non-biogenic Municipal Solid Waste : 28.2% Biogenic Municipal Solid Waste : 23.1%
New BadgerCity of KaukaunaKaukauna, WI47 GWhDec 2013Oct 2025 Water
Little GypsyEntergy Louisiana LLCLa Place, LA864 GWhFeb 1961Oct 2025 Natural Gas
White BluffEntergy Arkansas LLCRedfield, AR3 TWhJul 1980Oct 2025 Subbituminous Coal : 99.6%
Waterford 3Entergy Louisiana LLCKillona, LA8 TWhAug 1985Oct 2025 Nuclear
WestonWisconsin Public Service CorpRothschild, WI5 TWhNov 1954Oct 2025 Subbituminous Coal : 99.4% Natural Gas : 0.6%
SabineEntergy Texas Inc.Orange, TX3 TWhDec 1961Oct 2025 Natural Gas
R D MorrowCooperative EnergyPurvis, MS3 TWhMar 1978Oct 2025 Natural Gas
Big Cajun 2Louisiana Generating LLCNew Roads, LA2 TWhJun 1981Oct 2025 Subbituminous Coal : 69.0% Natural Gas : 31.0%
Coal CreekRainbow Energy CenterUnderwood, ND8 TWhMay 1979Oct 2025 Refined Coal : 99.9%
R M SchahferNorthern Indiana Pub Serv CoWheatfield, IN2 TWhNov 1976Oct 2025 Bituminous Coal : 93.7% Natural Gas : 6.3%
GibsonDuke Energy Indiana, LLCOwensville, IN11 TWhMar 1975Oct 2025 Bituminous Coal : 99.6%
Sherburne CountyNorthern States Power Co - MinnesotaBecker, MN7 TWhMar 1976Oct 2025 Subbituminous Coal : 99.9%
Grand GulfSystem Energy Resources, IncPort Gibson, MS11 TWhJun 1985Oct 2025 Nuclear
NewtonIllinois Power Generating CoNewton, IL4 TWhOct 1977Oct 2025 Subbituminous Coal : 99.9%
Lewis CreekEntergy Texas Inc.Willis, TX2 TWhNov 1970Oct 2025 Natural Gas
CallawayUnion Electric Co - (MO)Fulton, MO8 TWhNov 1984Oct 2025 Nuclear
Nine Mile PointEntergy Louisiana LLCWestwego, LA8 TWhOct 1955Oct 2025 Natural Gas
Louisiana 1Entergy Louisiana LLCBaton Rouge, LA3 TWhSep 1951Oct 2025 Natural Gas : 71.6% Other Gas : 28.4%
R S NelsonEntergy Louisiana LLCWestlake, LA2 TWhJan 1959Oct 2025 Subbituminous Coal : 99.6%
Coughlin Power StationCleco Power LLCSt Landry, LA4 TWhMar 1961Oct 2025 Natural Gas

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Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC872.9 TWh2,465
#2Midcontinent Independent System Operator, Inc.656.9 TWh2,831
#3Electric Reliability Council of Texas, Inc.484.7 TWh1,313
#5Southwest Power Pool300.6 TWh835
#6Southern Company Services, Inc. - Trans249.9 TWh417
#7California Independent System Operator184.8 TWh2,075
#9Tennessee Valley Authority161.0 TWh204
#10Florida Power & Light Co.149.6 TWh187
#12New York Independent System Operator132.6 TWh1,211
#13Duke Energy Carolinas111.6 TWh565