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 1 to 100 of 2,269
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
EdgewaterWisconsin Power & Light CoSheboygan, WI2 TWhJun 1951May 2026 Subbituminous Coal : 99.8%
OttumwaInterstate Power and Light CoOttumwa, IA3 TWhApr 1981May 2026 Subbituminous Coal : 99.6%
High BridgeNorthern States Power Co - MinnesotaSt. Paul, MN3 TWhApr 2008May 2026 Natural Gas
DegrayUSCE -Vickburg DistrictArkadelphia, AR87 GWhJan 1972May 2026 Water
D B WilsonBig Rivers Electric CorpCentertown, KY2 TWhAug 1984May 2026 Bituminous Coal : 99.0% Distillate Fuel Oil : 1.0%
Dan E KarnConsumers Energy Co - (MI)Essexville, MI72 GWhOct 1959May 2026 Natural Gas : 93.2% Residual Fuel Oil : 6.8%
Clinton Power StationConstellation NuclearClinton, IL8 TWhOct 1987May 2026 Nuclear
Greenwood (MI)DTE Electric CompanyAvoca, MI2 TWhJun 1979May 2026 Natural Gas
Baldwin Energy ComplexDynegy Midwest Generation IncBaldwin, IL6 TWhJun 1970May 2026 Subbituminous Coal : 99.7%
ManitowocManitowoc Public UtilitiesManitowoc, WI178 GWhMay 1955May 2026 Wood/Wood Waste Solids : 88.2% Petroleum Coke : 6.6% Bituminous Coal : 4.9%
St ClairDTE Electric CompanyEast China Twp, MI7 GWhJul 1953May 2026 Distillate Fuel Oil : 52.4% Natural Gas : 47.6%
River BendEntergy Louisiana LLCSt. Francisville, LA8 TWhMay 1986May 2026 Nuclear
T B Simon Power PlantMichigan State UniversityEast Lansing, MI263 GWhNov 1965May 2026 Natural Gas
CoyoteOtter Tail Power CoBeulah, ND3 TWhApr 1981May 2026 Lignite Coal : 99.8%
WarrickAGC Division of APGI IncNewburgh, IN3 TWhMar 1960May 2026 Bituminous Coal : 98.3% Natural Gas : 1.7%
Little GypsyEntergy Louisiana LLCLa Place, LA964 GWhFeb 1961May 2026 Natural Gas
Elk RiverGreat River EnergyElk River, MN155 GWhDec 1950May 2026 Natural Gas : 90.8% Distillate Fuel Oil : 9.2%
Milton R YoungMinnkota Power Coop, IncCenter, ND4 TWhSep 1970May 2026 Lignite Coal : 99.8%
GeneseoCity of Geneseo - (IL)Geneseo, IL8 GWhJun 1957May 2026 Wind : 73.9% Solar : 21.1% Distillate Fuel Oil : 4.9%
Valley (WI)Wisconsin Electric Power CoMilwaukee, WI376 GWhMay 1968May 2026 Natural Gas
Big Cajun 2Louisiana Generating LLCNew Roads, LA2 TWhJun 1981May 2026 Subbituminous Coal : 69.2% Natural Gas : 30.8%
Waterford 3Entergy Louisiana LLCKillona, LA10 TWhAug 1985May 2026 Nuclear
City of Peru Plank Road Generating StationCity of Peru - (IL)Peru, IL21 GWhSep 1968May 2026 Water : 97.9% Distillate Fuel Oil : 1.8%
Independence Steam Electric StationEntergy Arkansas LLCNewark, AR7 TWhDec 1982May 2026 Subbituminous Coal : 99.9%
RantoulVillage of Rantoul - (IL)Rantoul, IL250 MWhDec 1950May 2026 Distillate Fuel Oil
Consumer Operations LLCGeorgia-Pacific Consumer Oper. Green Bay LLCGreen Bay, WI239 GWhDec 1953May 2026 Natural Gas
DallmanCity of Springfield - (IL)Springfield, IL828 GWhMay 1968May 2026 Bituminous Coal : 99.5% Natural Gas : 0.5%
Arkansas Nuclear OneEntergy Arkansas LLCRussellville, AR14 TWhNov 1974May 2026 Nuclear
Sullivan (IL)City of Sullivan - (IL)Sullivan, IL462 MWhMay 1946May 2026 Distillate Fuel Oil
MeromHallador Power Company, LLCSullivan, IN4 TWhJan 1982May 2026 Bituminous Coal : 99.7%
MarionSouthern Illinois Power CoopMarion, IL798 GWhMay 1963May 2026 Bituminous Coal : 86.6% Natural Gas : 12.8% Distillate Fuel Oil : 0.6%
Harding StreetAES IndianaIndianapolis, IN4 TWhMay 1958May 2026 Natural Gas
Eagle Valley (IN)AES IndianaMartinsville, IN5 TWhNov 1951May 2026 Natural Gas
CC Perry KCitizens Thermal EnergyIndianapolis, IN15 GWhDec 1924May 2026 Natural Gas
AES PetersburgAES IndianaPetersburg, IN5 TWhMay 1967May 2026 Bituminous Coal : 99.8%
Michigan CityNorthern Indiana Pub Serv CoMichigan City, IN2 TWhApr 1974May 2026 Subbituminous Coal : 78.0% Bituminous Coal : 20.3% Natural Gas : 1.7%
WilmarthNorthern States Power Co - MinnesotaMankato, MN97 GWhAug 1948May 2026 Non-biogenic Municipal Solid Waste : 53.8% Biogenic Municipal Solid Waste : 44.0% Natural Gas : 2.1%
J H CampbellConsumers Energy Co - (MI)West Olive, MI5 TWhSep 1962May 2026 Subbituminous Coal : 99.6%
CayugaDuke Energy Indiana, LLCCayuga, IN4 TWhSep 1970May 2026 Bituminous Coal : 99.3%
EdwardsportDuke Energy Indiana, LLCEdwardsport, IN4 TWhMay 2013May 2026 Coal-Derived Synthesis Gas : 49.4% Natural Gas : 40.8% Bituminous Coal : 9.8%
PulliamWisconsin Public Service CorpGreen Bay, WI103 GWhAug 1949May 2026 Natural Gas
Sherburne CountyNorthern States Power Co - MinnesotaBecker, MN6 TWhMar 1976May 2026 Subbituminous Coal : 99.8%
F B CulleySouthern Indiana Gas & Elec CoNewburgh, IN1 TWhNov 1966May 2026 Bituminous Coal : 98.0% Natural Gas : 2.0%
Nine Mile PointEntergy Louisiana LLCWestwego, LA8 TWhOct 1955May 2026 Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
Iowa Hydro LLCZero6 Energy HydroMaquoketa, IA6 GWhDec 1923May 2026 Water
Belle RiverDTE Electric CompanyChina Twp, MI5 TWhOct 1981May 2026 Subbituminous Coal : 78.5% Natural Gas : 21.1%
Prairie CreekInterstate Power and Light CoCedar Rapids, IA83 GWhSep 1958May 2026 Subbituminous Coal : 62.1% Natural Gas : 37.9%
State FarmState Farm InsuranceBloomington, IL30 MWhSep 1996May 2026 Distillate Fuel Oil
Walter Scott Jr Energy CenterMidAmerican Energy CoCouncil Bluffs, IA7 TWhFeb 1954May 2026 Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.8%
George Neal SouthMidAmerican Energy CoSalix, IA2 TWhJun 1979May 2026 Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.9%
George Neal NorthMidAmerican Energy CoSergeant Bluff, IA2 TWhApr 1964May 2026 Subbituminous Coal : 98.8% Natural Gas : 1.2%
LouisaMidAmerican Energy CoMuscatine, IA4 TWhSep 1983May 2026 Subbituminous Coal : 99.3% Natural Gas : 0.7%
Burlington (IA)Interstate Power and Light CoBurlington, IA26 GWhMay 1968May 2026 Natural Gas
R D GreenBig Rivers Electric CorpRobards, KY581 GWhNov 1979May 2026 Natural Gas
CF Industries Yazoo City ComplexCF Industries Nitrogen LLCYazoo City, MS104 GWhJun 1984May 2026 Natural Gas
Covanta Hennepin EnergyCovanta Energy CoMinneapolis, MN195 GWhSep 1989May 2026 Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8%
Emery StationInterstate Power and Light CoClear Lake, IA2 TWhApr 2004May 2026 Natural Gas
Escanaba MillBillerud Escanaba LLCEscanaba, MI452 GWhDec 1968May 2026 Black Liquor : 45.8% Natural Gas : 31.6% Wood/Wood Waste Solids : 21.8% Residual Fuel Oil : 0.8%
Expander TurbineCleveland CliffsEast Chicago, IN85 GWhApr 1981May 2026 Blast Furnace Gas
Anheuser-Busch St LouisAnheuser-Busch IncSt. Louis, MO38 GWhDec 1938May 2026 Natural Gas : 93.0% Other Biomass Gas : 7.0%
Mosaic Phosphates Uncle SamMosaic Phosphates Co.Uncle Sam, LA102 GWhDec 1967May 2026 Waste Heat : 96.8% Natural Gas : 3.2%
Columbia (WI)Wisconsin Power & Light CoPardeville, WI6 TWhApr 1975May 2026 Subbituminous Coal : 99.9%
French IslandNorthern States Power Co - MinnesotaLa Cross, WI65 GWhDec 1939May 2026 Wood/Wood Waste Solids : 43.5% Non-biogenic Municipal Solid Waste : 25.3% Biogenic Municipal Solid Waste : 20.7% Distillate Fuel Oil : 10.2%
WyandotteWyandotte Municipal Serv Comm - (MI)Wyandotte, MI110 MWhDec 1947May 2026 Distillate Fuel Oil
Monroe (MI)DTE Electric CompanyMonroe, MI16 TWhOct 1969May 2026 Subbituminous Coal : 75.2% Bituminous Coal : 15.7% Petroleum Coke : 8.9%
M L HibbardALLETE, Inc.Duluth, MN98 GWhMay 1949May 2026 Wood/Wood Waste Solids : 91.1% Subbituminous Coal : 6.8% Natural Gas : 2.1%
Monticello Nuclear FacilityNorthern States Power Co - MinnesotaMonticello, MN5 TWhMay 1971May 2026 Nuclear
Allen S KingNorthern States Power Co - MinnesotaOak Park Heights, MN723 GWhFeb 1958May 2026 Subbituminous Coal : 99.4%
Clay BoswellALLETE, Inc.Cohasset, MN6 TWhJun 1958May 2026 Subbituminous Coal : 99.8%
FermiDTE Electric CompanyFrenchtown Twp, MI8 TWhMar 1966May 2026 Nuclear
LabadieUnion Electric Co - (MO)Labadie, MO15 TWhMay 1970May 2026 Subbituminous Coal : 99.9%
MoselleCooperative EnergyMoselle, MS2 TWhJul 1970May 2026 Natural Gas
Red WingNorthern States Power Co - MinnesotaRed Wing, MN132 GWhSep 1949May 2026 Non-biogenic Municipal Solid Waste : 53.4% Biogenic Municipal Solid Waste : 43.7% Wood/Wood Waste Solids : 2.3% Natural Gas : 0.6%
R M HeskettMontana-Dakota Utilities CoMandan, ND62 GWhOct 1954May 2026 Natural Gas
SabineEntergy Texas Inc.Orange, TX4 TWhDec 1961May 2026 Natural Gas
Lewis CreekEntergy Texas Inc.Willis, TX2 TWhNov 1970May 2026 Natural Gas
SiouxUnion Electric Co - (MO)West Alton, MO4 TWhApr 1967May 2026 Subbituminous Coal : 78.0% Bituminous Coal : 21.9%
Prairie IslandNorthern States Power Co - MinnesotaWelch, MN9 TWhJan 1974May 2026 Nuclear
Muscatine Plant #1Board of Water Electric & CommunicationsMuscatine, IA766 GWhMar 1958May 2026 Subbituminous Coal : 99.7%
Point Beach Nuclear PlantNextEra Energy Point Beach LLCTwo Rivers, WI10 TWhMay 1969May 2026 Nuclear
South Oak CreekWisconsin Electric Power CoOak Creek, WI2 TWhNov 1959May 2026 Subbituminous Coal : 99.5%
New BadgerCity of Kaukauna (WI)Kaukauna, WI44 GWhDec 2013May 2026 Water
Boise Cascade International FallsBoise White Paper LLCInternational Falls, MN333 GWhDec 1926May 2026 Black Liquor : 63.4% Natural Gas : 22.5% Wood/Wood Waste Solids : 12.8% Sludge Waste : 1.3%
John P MadgettDairyland Power CoopAlma, WI1 TWhOct 1979May 2026 Subbituminous Coal : 99.5%
WestonWisconsin Public Service CorpRothschild, WI4 TWhNov 1954May 2026 Subbituminous Coal : 99.3% Natural Gas : 0.7%
Port Washington Generating StationWisconsin Electric Power CoPort Washington, WI7 TWhJun 2005May 2026 Natural Gas
Grand GulfSystem Energy Resources, IncPort Gibson, MS10 TWhJun 1985May 2026 Nuclear
R D MorrowCooperative EnergyPurvis, MS3 TWhMar 1978May 2026 Natural Gas
Coal CreekRainbow Energy CenterUnderwood, ND8 TWhMay 1979May 2026 Refined Coal : 99.9%
Lewis & ClarkMontana-Dakota Utilities CoRichland, MT12 GWhSep 1958May 2026 Natural Gas
GibsonDuke Energy Indiana, LLCOwensville, IN11 TWhMar 1975May 2026 Bituminous Coal : 99.6%
Big StoneOtter Tail Power CoBig Stone City, SD2 TWhApr 1975May 2026 Subbituminous Coal : 99.8%
R M SchahferNorthern Indiana Pub Serv CoWheatfield, IN1 TWhNov 1976May 2026 Bituminous Coal : 94.1% Natural Gas : 5.9%
NewtonIllinois Power Generating CoNewton, IL3 TWhOct 1977May 2026 Subbituminous Coal : 99.8%
Brame Energy CenterCleco Power LLCLena, LA3 TWhMay 1975May 2026 Subbituminous Coal : 47.5% Natural Gas : 36.5% Petroleum Coke : 11.3% Bituminous Coal : 4.7%
CallawayUnion Electric Co - (MO)Fulton, MO9 TWhNov 1984May 2026 Nuclear
A B BrownSouthern Indiana Gas & Elec CoMount Vernon, IN700 GWhFeb 1979May 2026 Natural Gas
Louisiana 1Entergy Louisiana LLCBaton Rouge, LA3 TWhSep 1951May 2026 Natural Gas : 71.5% Other Gas : 28.5%
R S NelsonEntergy Louisiana LLCWestlake, LA2 TWhJan 1959May 2026 Subbituminous Coal : 99.6%
Coughlin Power StationCleco Power LLCSt Landry, LA3 TWhMar 1961May 2026 Natural Gas

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#1PJM Interconnection, LLC882.8 TWh2,652
#2Midcontinent Independent System Operator, Inc.669.4 TWh3,038
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#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