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
Monroe (MI)DTE Electric CompanyMonroe, MI15 TWhOct 1969Aug 2025 Subbituminous Coal : 74.1% Bituminous Coal : 16.5% Petroleum Coke : 9.2%
LabadieUnion Electric Co - (MO)Labadie, MO15 TWhMay 1970Aug 2025 Subbituminous Coal : 99.9%
Arkansas Nuclear OneEntergy Arkansas LLCRussellville, AR15 TWhNov 1974Aug 2025 Nuclear
Grand GulfSystem Energy Resources, IncPort Gibson, MS11 TWhJun 1985Aug 2025 Nuclear
Prairie State Generating StationPrairie State Generating Co LLCMarissa, IL11 TWhMay 2012Aug 2025 Bituminous Coal : 99.8%
GibsonDuke Energy Indiana, LLCOwensville, IN10 TWhMar 1975Aug 2025 Bituminous Coal : 99.6%
FermiDTE Electric CompanyFrenchtown Twp, MI10 TWhMar 1966Aug 2025 Nuclear
Point Beach Nuclear PlantNextEra Energy Point Beach LLCTwo Rivers, WI10 TWhMay 1969Aug 2025 Nuclear
Midland Cogeneration VentureMidland Cogeneration VentureMidland, MI10 TWhMay 1989Aug 2025 Natural Gas
Clinton Power StationConstellation NuclearClinton, IL9 TWhOct 1987Aug 2025 Nuclear
J H CampbellConsumers Energy Co - (MI)West Olive, MI9 TWhSep 1962Aug 2025 Subbituminous Coal : 99.2% Bituminous Coal : 0.6%
Union Power StationEntergy Arkansas LLCEl Dorado, AR9 TWhDec 2002Aug 2025 Natural Gas
Coal CreekRainbow Energy CenterUnderwood, ND8 TWhMay 1979Aug 2025 Refined Coal : 99.9%
Blue Water Energy CenterDTE Electric CompanyEast China, MI8 TWhMay 2022Aug 2025 Natural Gas
Waterford 3Entergy Louisiana LLCKillona, LA8 TWhAug 1985Aug 2025 Nuclear
Nine Mile PointEntergy Louisiana LLCWestwego, LA8 TWhOct 1955Aug 2025 Natural Gas
CallawayUnion Electric Co - (MO)Fulton, MO8 TWhNov 1984Aug 2025 Nuclear
Elm Road Generating StationWisconsin Electric Power CoOak Creek, WI8 TWhJan 2010Aug 2025 Subbituminous Coal : 78.7% Bituminous Coal : 18.2% Natural Gas : 3.1%
Prairie IslandNorthern States Power Co - MinnesotaWelch, MN8 TWhJan 1974Aug 2025 Nuclear
Belle RiverDTE Electric CompanyChina Twp, MI8 TWhOct 1981Aug 2025 Subbituminous Coal : 93.4% Natural Gas : 6.2%
Port Washington Generating StationWisconsin Electric Power CoPort Washington, WI7 TWhJun 2005Aug 2025 Natural Gas
Sherburne CountyNorthern States Power Co - MinnesotaBecker, MN7 TWhMar 1976Aug 2025 Subbituminous Coal : 99.9%
River BendEntergy Louisiana LLCSt. Francisville, LA7 TWhMay 1986Aug 2025 Nuclear
Baldwin Energy ComplexDynegy Midwest Generation IncBaldwin, IL7 TWhJun 1970Aug 2025 Subbituminous Coal : 99.8%
Lake Charles PowerEntergy Louisiana LLCWest Lake, LA7 TWhFeb 2020Aug 2025 Natural Gas
Montgomery CountyEntergy Texas Inc.Willis, TX7 TWhDec 2020Aug 2025 Natural Gas
Columbia (WI)Wisconsin Power & Light CoPardeville, WI6 TWhApr 1975Aug 2025 Subbituminous Coal : 99.9%
Walter Scott Jr Energy CenterMidAmerican Energy CoCouncil Bluffs, IA6 TWhFeb 1954Aug 2025 Subbituminous Coal : 99.0% Distillate Fuel Oil : 0.8%
Acadia Energy CenterCleco Power LLCEunice, LA6 TWhJun 2002Aug 2025 Natural Gas
St. Charles Power Station (LA)Entergy Louisiana LLCLa Place, LA6 TWhApr 2019Aug 2025 Natural Gas
Eagle Valley (IN)AES IndianaMartinsville, IN6 TWhNov 1951Aug 2025 Natural Gas
Independence Steam Electric StationEntergy Arkansas LLCNewark, AR6 TWhDec 1982Aug 2025 Subbituminous Coal : 99.8%
Clay BoswellALLETE, Inc.Cohasset, MN5 TWhJun 1958Aug 2025 Subbituminous Coal : 99.7%
Cottonwood Energy Company LPNRG Cottonwood Tenant LLCDeweyville, TX5 TWhJun 2003Aug 2025 Natural Gas
Plaquemine Cogeneration PlantDow Chemical CoPlaquemine, LA5 TWhFeb 2004Aug 2025 Natural Gas : 98.0% Other Gas : 2.0%
Zeeland Generating StationConsumers Energy Co - (MI)Zeeland, MI5 TWhMay 2001Aug 2025 Natural Gas
MeromHallador Power Company, LLCSullivan, IN5 TWhJan 1982Aug 2025 Bituminous Coal : 99.8%
Taft Cogeneration FacilityOccidental Chemical CorporationHahnville, LA5 TWhJun 2002Aug 2025 Natural Gas : 98.8% Other Gas : 1.2%
West Riverside Energy CenterWisconsin Power & Light CoBeloit, WI5 TWhApr 2020Aug 2025 Natural Gas : 99.9%
Monticello Nuclear FacilityNorthern States Power Co - MinnesotaMonticello, MN5 TWhMay 1971Aug 2025 Nuclear
WestonWisconsin Public Service CorpRothschild, WI5 TWhNov 1954Aug 2025 Subbituminous Coal : 99.5% Natural Gas : 0.5%
ExxonMobil Beaumont RefineryExxonMobil Oil CorpBeaumont, TX5 TWhDec 1965Aug 2025 Natural Gas : 97.0% Other Gas : 3.0%
Sugar Creek PowerNorthern Indiana Pub Serv CoWest Terre Haute, IN5 TWhMay 2002Aug 2025 Natural Gas
AES PetersburgAES IndianaPetersburg, IN4 TWhMay 1967Aug 2025 Bituminous Coal : 99.8%
OuachitaEntergy Louisiana LLCSterlington, LA4 TWhJul 2002Aug 2025 Natural Gas
Plum Point Energy StationNRG Energy Services - Plum PointOsceola, AR4 TWhAug 2010Aug 2025 Subbituminous Coal : 99.9%
LouisaMidAmerican Energy CoMuscatine, IA4 TWhSep 1983Aug 2025 Subbituminous Coal : 99.2% Natural Gas : 0.8%
Milton R YoungMinnkota Power Coop, IncCenter, ND4 TWhSep 1970Aug 2025 Lignite Coal : 99.8%
Dearborn Industrial GenerationDearborn Industrial Gen IncDearborn, MI4 TWhMay 1999Aug 2025 Natural Gas : 84.2% Blast Furnace Gas : 15.8%
SiouxUnion Electric Co - (MO)West Alton, MO4 TWhApr 1967Aug 2025 Subbituminous Coal : 73.2% Bituminous Coal : 26.7%
SabineEntergy Texas Inc.Orange, TX4 TWhDec 1961Aug 2025 Natural Gas
CayugaDuke Energy Indiana, LLCCayuga, IN4 TWhSep 1970Aug 2025 Bituminous Coal : 99.6%
Fox Energy CenterWisconsin Public Service CorpWrightstown, WI4 TWhMay 2005Aug 2025 Natural Gas
Coughlin Power StationCleco Power LLCSt Landry, LA4 TWhMar 1961Aug 2025 Natural Gas
NewtonIllinois Power Generating CoNewton, IL4 TWhOct 1977Aug 2025 Subbituminous Coal : 99.9%
EdwardsportDuke Energy Indiana, LLCEdwardsport, IN4 TWhMay 2013Aug 2025 Natural Gas : 54.3% Coal-Derived Synthesis Gas : 38.6% Bituminous Coal : 7.0%
Perryville Power StationEntergy Louisiana LLCSterlington, LA3 TWhMay 2001Aug 2025 Natural Gas
Magnet CoveArkansas Electric Coop CorpMalvern, AR3 TWhJun 2005Aug 2025 Natural Gas
Marshalltown Generating StationInterstate Power and Light CoMarshalltown, IA3 TWhMar 2017Aug 2025 Natural Gas : 99.9%
Jack Fusco Energy CenterBrazos Valley EnergyThompsons, TX3 TWhApr 2003Aug 2025 Natural Gas
Riverside Energy CenterWisconsin Power & Light CoBeloit, WI3 TWhMay 2004Aug 2025 Natural Gas
Sabine River OperationsThe Dow Chemical CompanyOrange, TX3 TWhDec 1947Aug 2025 Natural Gas : 99.1% Other Gas : 0.9%
White BluffEntergy Arkansas LLCRedfield, AR3 TWhJul 1980Aug 2025 Subbituminous Coal : 99.6%
WarrickAGC Division of APGI IncNewburgh, IN3 TWhMar 1960Aug 2025 Bituminous Coal : 98.5% Natural Gas : 1.5%
Harding StreetAES IndianaIndianapolis, IN3 TWhMay 1958Aug 2025 Natural Gas
Carville Energy LLCCarville Energy LLCSt Gabriel, LA3 TWhMay 2003Aug 2025 Natural Gas
Hinds Energy FacilityEntergy Mississippi LLCJackson, MS3 TWhApr 2001Aug 2025 Natural Gas
Louisiana 1Entergy Louisiana LLCBaton Rouge, LA3 TWhSep 1951Aug 2025 Natural Gas : 72.1% Other Gas : 27.9%
Whiting Clean EnergyBP Alternative EnergyWhiting, IN3 TWhMar 2002Aug 2025 Natural Gas
High BridgeNorthern States Power Co - MinnesotaSt. Paul, MN3 TWhApr 2008Aug 2025 Natural Gas
OttumwaInterstate Power and Light CoOttumwa, IA3 TWhApr 1981Aug 2025 Subbituminous Coal : 99.7%
Mankato Energy CenterMEC Holdings, LLCMankato, MN3 TWhJun 2006Dec 2024 Natural Gas
Hot Spring Generating FacilityEntergy Arkansas LLCMalvern, AR3 TWhMay 2002Aug 2025 Natural Gas
RS CogenWestlake 2 US LLCLake Charles, LA3 TWhNov 2002Aug 2025 Natural Gas
R D MorrowCooperative EnergyPurvis, MS3 TWhMar 1978Aug 2025 Natural Gas
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%
D B WilsonBig Rivers Electric CorpCentertown, KY2 TWhAug 1984Aug 2025 Bituminous Coal : 99.4% Distillate Fuel Oil : 0.6%
AttalaEntergy Mississippi LLCSallis, MS2 TWhFeb 2001Aug 2025 Natural Gas
Black DogNorthern States Power Co - MinnesotaBurnsville, MN2 TWhSep 1954Dec 2024 Natural Gas
Emery StationInterstate Power and Light CoClear Lake, IA2 TWhApr 2004Aug 2025 Natural Gas
Greater Des MoinesMidAmerican Energy CoPleasant Hill, IA2 TWhApr 2003Dec 2024 Natural Gas
Big Cajun 2Louisiana Generating LLCNew Roads, LA2 TWhJun 1981Aug 2025 Subbituminous Coal : 69.7% Natural Gas : 30.3%
South Oak CreekWisconsin Electric Power CoOak Creek, WI2 TWhNov 1959Aug 2025 Subbituminous Coal : 99.6%
Dow St Charles OperationsDow Chemical Co - St CharlesTaft, LA2 TWhNov 1996Aug 2025 Natural Gas : 99.2% Other Gas : 0.8%
Jackson Generating StationConsumers Energy Co - (MI)Jackson, MI2 TWhJun 2002Aug 2025 Natural Gas
Big StoneOtter Tail Power CoBig Stone City, SD2 TWhApr 1975Aug 2025 Subbituminous Coal : 99.8%
Lewis CreekEntergy Texas Inc.Willis, TX2 TWhNov 1970Aug 2025 Natural Gas
EdgewaterWisconsin Power & Light CoSheboygan, WI2 TWhJun 1951Aug 2025 Subbituminous Coal : 99.9%
CoyoteOtter Tail Power CoBeulah, ND2 TWhApr 1981Aug 2025 Lignite Coal : 99.7%
R S NelsonEntergy Louisiana LLCWestlake, LA2 TWhJan 1959Aug 2025 Subbituminous Coal : 99.6%
Orient Wind FarmMidAmerican Energy CoOrient, IA2 TWhNov 2018Aug 2025 Wind
NoblesvilleDuke Energy Indiana, LLCNoblesville, IN2 TWhAug 1950Dec 2024 Natural Gas
PPG Powerhouse CWestlake 2 US LLCLake Charles, LA2 TWhJul 1977Aug 2025 Natural Gas : 99.4% Other Gas : 0.6%
MoselleCooperative EnergyMoselle, MS2 TWhJul 1970Aug 2025 Natural Gas
Highland Wind Project (IA)MidAmerican Energy CoPrimghar, IA2 TWhMay 2015Aug 2025 Wind
R M SchahferNorthern Indiana Pub Serv CoWheatfield, IN2 TWhNov 1976Aug 2025 Bituminous Coal : 93.7% Natural Gas : 6.3%
Motiva Enterprises Port Arthur RefineryMotiva Enterprises LLCPort Arthur, TX2 TWhMay 1957Aug 2025 Natural Gas : 91.0% Other Gas : 9.0%
Rolling Hills Wind FarmMidAmerican Energy CoMassena, IA2 TWhNov 2011Aug 2025 Wind
F B CulleySouthern Indiana Gas & Elec CoNewburgh, IN1 TWhNov 1966Aug 2025 Bituminous Coal : 96.1% Natural Gas : 3.9%
George Neal NorthMidAmerican Energy CoSergeant Bluff, IA1 TWhApr 1964Aug 2025 Subbituminous Coal : 99.0% Natural Gas : 1.0%

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC870.3 TWh2,465
#2Midcontinent Independent System Operator, Inc.655.2 TWh2,831
#4Electric Reliability Council of Texas, Inc.484.6 TWh1,313
#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