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
Monroe (MI)DTE Electric CompanyMonroe, MI16 TWhOct 1969Oct 2025 Subbituminous Coal : 74.1% Bituminous Coal : 16.5% Petroleum Coke : 9.1%
LabadieUnion Electric Co - (MO)Labadie, MO16 TWhMay 1970Oct 2025 Subbituminous Coal : 99.9%
Arkansas Nuclear OneEntergy Arkansas LLCRussellville, AR15 TWhNov 1974Oct 2025 Nuclear
Grand GulfSystem Energy Resources, IncPort Gibson, MS11 TWhJun 1985Oct 2025 Nuclear
Prairie State Generating StationPrairie State Generating Co LLCMarissa, IL11 TWhMay 2012Oct 2025 Bituminous Coal : 99.8%
GibsonDuke Energy Indiana, LLCOwensville, IN11 TWhMar 1975Oct 2025 Bituminous Coal : 99.6%
Point Beach Nuclear PlantNextEra Energy Point Beach LLCTwo Rivers, WI10 TWhMay 1969Oct 2025 Nuclear
FermiDTE Electric CompanyFrenchtown Twp, MI10 TWhMar 1966Oct 2025 Nuclear
Midland Cogeneration VentureMidland Cogeneration VentureMidland, MI10 TWhMay 1989Oct 2025 Natural Gas
Union Power StationEntergy Arkansas LLCEl Dorado, AR9 TWhDec 2002Oct 2025 Natural Gas
Blue Water Energy CenterDTE Electric CompanyEast China, MI8 TWhMay 2022Oct 2025 Natural Gas
Clinton Power StationConstellation NuclearClinton, IL8 TWhOct 1987Oct 2025 Nuclear
Coal CreekRainbow Energy CenterUnderwood, ND8 TWhMay 1979Oct 2025 Refined Coal : 99.9%
J H CampbellConsumers Energy Co - (MI)West Olive, MI8 TWhSep 1962Oct 2025 Subbituminous Coal : 99.8%
Waterford 3Entergy Louisiana LLCKillona, LA8 TWhAug 1985Oct 2025 Nuclear
Nine Mile PointEntergy Louisiana LLCWestwego, LA8 TWhOct 1955Oct 2025 Natural Gas
Prairie IslandNorthern States Power Co - MinnesotaWelch, MN8 TWhJan 1974Oct 2025 Nuclear
CallawayUnion Electric Co - (MO)Fulton, MO8 TWhNov 1984Oct 2025 Nuclear
Belle RiverDTE Electric CompanyChina Twp, MI8 TWhOct 1981Sep 2025 Subbituminous Coal : 93.6% Natural Gas : 6.0%
Elm Road Generating StationWisconsin Electric Power CoOak Creek, WI7 TWhJan 2010Oct 2025 Subbituminous Coal : 79.4% Bituminous Coal : 17.5% Natural Gas : 3.1%
Sherburne CountyNorthern States Power Co - MinnesotaBecker, MN7 TWhMar 1976Oct 2025 Subbituminous Coal : 99.9%
Port Washington Generating StationWisconsin Electric Power CoPort Washington, WI7 TWhJun 2005Oct 2025 Natural Gas
River BendEntergy Louisiana LLCSt. Francisville, LA7 TWhMay 1986Oct 2025 Nuclear
Baldwin Energy ComplexDynegy Midwest Generation IncBaldwin, IL7 TWhJun 1970Oct 2025 Subbituminous Coal : 99.8%
Columbia (WI)Wisconsin Power & Light CoPardeville, WI6 TWhApr 1975Oct 2025 Subbituminous Coal : 99.9%
Lake Charles PowerEntergy Louisiana LLCWest Lake, LA6 TWhFeb 2020Oct 2025 Natural Gas
Walter Scott Jr Energy CenterMidAmerican Energy CoCouncil Bluffs, IA6 TWhFeb 1954Oct 2025 Subbituminous Coal : 99.0% Distillate Fuel Oil : 0.8%
Montgomery CountyEntergy Texas Inc.Willis, TX6 TWhDec 2020Oct 2025 Natural Gas
Acadia Energy CenterCleco Power LLCEunice, LA6 TWhJun 2002Oct 2025 Natural Gas
Clay BoswellALLETE, Inc.Cohasset, MN6 TWhJun 1958Oct 2025 Subbituminous Coal : 99.7%
St. Charles Power Station (LA)Entergy Louisiana LLCLa Place, LA6 TWhApr 2019Oct 2025 Natural Gas
Plaquemine Cogeneration PlantDow Chemical CoPlaquemine, LA6 TWhFeb 2004Oct 2025 Natural Gas : 97.7% Other Gas : 2.3%
Eagle Valley (IN)AES IndianaMartinsville, IN6 TWhNov 1951Oct 2025 Natural Gas
Independence Steam Electric StationEntergy Arkansas LLCNewark, AR6 TWhDec 1982Oct 2025 Subbituminous Coal : 99.8%
Zeeland Generating StationConsumers Energy Co - (MI)Zeeland, MI5 TWhMay 2001Oct 2025 Natural Gas
Cottonwood Energy Company LPNRG Cottonwood Tenant LLCDeweyville, TX5 TWhJun 2003Oct 2025 Natural Gas
AES PetersburgAES IndianaPetersburg, IN5 TWhMay 1967Oct 2025 Bituminous Coal : 99.8%
Taft Cogeneration FacilityOccidental Chemical CorporationHahnville, LA5 TWhJun 2002Oct 2025 Natural Gas : 98.8% Other Gas : 1.2%
MeromHallador Power Company, LLCSullivan, IN5 TWhJan 1982Oct 2025 Bituminous Coal : 99.8%
Monticello Nuclear FacilityNorthern States Power Co - MinnesotaMonticello, MN5 TWhMay 1971Oct 2025 Nuclear
WestonWisconsin Public Service CorpRothschild, WI5 TWhNov 1954Oct 2025 Subbituminous Coal : 99.4% Natural Gas : 0.6%
Sugar Creek PowerNorthern Indiana Pub Serv CoWest Terre Haute, IN5 TWhMay 2002Oct 2025 Natural Gas
West Riverside Energy CenterWisconsin Power & Light CoBeloit, WI4 TWhApr 2020Oct 2025 Natural Gas : 99.9%
ExxonMobil Beaumont RefineryExxonMobil Oil CorpBeaumont, TX4 TWhDec 1965Oct 2025 Natural Gas : 96.7% Other Gas : 3.3%
OuachitaEntergy Louisiana LLCSterlington, LA4 TWhJul 2002Oct 2025 Natural Gas
LouisaMidAmerican Energy CoMuscatine, IA4 TWhSep 1983Oct 2025 Subbituminous Coal : 99.2% Natural Gas : 0.8%
Plum Point Energy StationNRG Energy Services - Plum PointOsceola, AR4 TWhAug 2010Oct 2025 Subbituminous Coal : 99.9%
SiouxUnion Electric Co - (MO)West Alton, MO4 TWhApr 1967Oct 2025 Subbituminous Coal : 73.7% Bituminous Coal : 26.2%
Dearborn Industrial GenerationDearborn Industrial Gen IncDearborn, MI4 TWhMay 1999Oct 2025 Natural Gas : 88.1% Blast Furnace Gas : 11.9%
Milton R YoungMinnkota Power Coop, IncCenter, ND4 TWhSep 1970Oct 2025 Lignite Coal : 99.9%
NewtonIllinois Power Generating CoNewton, IL4 TWhOct 1977Oct 2025 Subbituminous Coal : 99.9%
Magnet CoveArkansas Electric Coop CorpMalvern, AR4 TWhJun 2005Oct 2025 Natural Gas
Fox Energy CenterWisconsin Public Service CorpWrightstown, WI4 TWhMay 2005Oct 2025 Natural Gas
EdwardsportDuke Energy Indiana, LLCEdwardsport, IN4 TWhMay 2013Oct 2025 Coal-Derived Synthesis Gas : 46.6% Natural Gas : 44.4% Bituminous Coal : 9.1%
Coughlin Power StationCleco Power LLCSt Landry, LA4 TWhMar 1961Oct 2025 Natural Gas
CayugaDuke Energy Indiana, LLCCayuga, IN4 TWhSep 1970Oct 2025 Bituminous Coal : 99.5%
Marshalltown Generating StationInterstate Power and Light CoMarshalltown, IA4 TWhMar 2017Oct 2025 Natural Gas : 99.9%
Perryville Power StationEntergy Louisiana LLCSterlington, LA3 TWhMay 2001Oct 2025 Natural Gas
SabineEntergy Texas Inc.Orange, TX3 TWhDec 1961Oct 2025 Natural Gas
Jack Fusco Energy CenterBrazos Valley EnergyThompsons, TX3 TWhApr 2003Oct 2025 Natural Gas
Riverside Energy CenterWisconsin Power & Light CoBeloit, WI3 TWhMay 2004Oct 2025 Natural Gas
White BluffEntergy Arkansas LLCRedfield, AR3 TWhJul 1980Oct 2025 Subbituminous Coal : 99.6%
Harding StreetAES IndianaIndianapolis, IN3 TWhMay 1958Oct 2025 Natural Gas
High BridgeNorthern States Power Co - MinnesotaSt. Paul, MN3 TWhApr 2008Oct 2025 Natural Gas
Carville Energy LLCCarville Energy LLCSt Gabriel, LA3 TWhMay 2003Oct 2025 Natural Gas
Louisiana 1Entergy Louisiana LLCBaton Rouge, LA3 TWhSep 1951Oct 2025 Natural Gas : 71.6% Other Gas : 28.4%
WarrickAGC Division of APGI IncNewburgh, IN3 TWhMar 1960Oct 2025 Bituminous Coal : 98.5% Natural Gas : 1.5%
Sabine River OperationsThe Dow Chemical CompanyOrange, TX3 TWhDec 1947Oct 2025 Natural Gas : 99.3% Other Gas : 0.7%
OttumwaInterstate Power and Light CoOttumwa, IA3 TWhApr 1981Oct 2025 Subbituminous Coal : 99.7%
Whiting Clean EnergyBP Alternative EnergyWhiting, IN3 TWhMar 2002Oct 2025 Natural Gas
Mankato Energy CenterMEC Holdings, LLCMankato, MN3 TWhJun 2006Dec 2024 Natural Gas
RS CogenWestlake 2 US LLCLake Charles, LA3 TWhNov 2002Oct 2025 Natural Gas
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%
R D MorrowCooperative EnergyPurvis, MS3 TWhMar 1978Oct 2025 Natural Gas
Hot Spring Generating FacilityEntergy Arkansas LLCMalvern, AR2 TWhMay 2002Oct 2025 Natural Gas
Hinds Energy FacilityEntergy Mississippi LLCJackson, MS2 TWhApr 2001Oct 2025 Natural Gas
Big Cajun 2Louisiana Generating LLCNew Roads, LA2 TWhJun 1981Oct 2025 Subbituminous Coal : 69.0% Natural Gas : 31.0%
D B WilsonBig Rivers Electric CorpCentertown, KY2 TWhAug 1984Oct 2025 Bituminous Coal : 99.3% Distillate Fuel Oil : 0.7%
Black DogNorthern States Power Co - MinnesotaBurnsville, MN2 TWhSep 1954Dec 2024 Natural Gas
Emery StationInterstate Power and Light CoClear Lake, IA2 TWhApr 2004Oct 2025 Natural Gas
South Oak CreekWisconsin Electric Power CoOak Creek, WI2 TWhNov 1959Oct 2025 Subbituminous Coal : 99.7%
Greater Des MoinesMidAmerican Energy CoPleasant Hill, IA2 TWhApr 2003Dec 2024 Natural Gas
AttalaEntergy Mississippi LLCSallis, MS2 TWhFeb 2001Oct 2025 Natural Gas
CoyoteOtter Tail Power CoBeulah, ND2 TWhApr 1981Oct 2025 Lignite Coal : 99.7%
EdgewaterWisconsin Power & Light CoSheboygan, WI2 TWhJun 1951Oct 2025 Subbituminous Coal : 99.9%
Big StoneOtter Tail Power CoBig Stone City, SD2 TWhApr 1975Oct 2025 Subbituminous Coal : 99.8%
Lewis CreekEntergy Texas Inc.Willis, TX2 TWhNov 1970Oct 2025 Natural Gas
Dow St Charles OperationsDow Chemical Co - St CharlesTaft, LA2 TWhNov 1996Oct 2025 Natural Gas : 99.2% Other Gas : 0.8%
R S NelsonEntergy Louisiana LLCWestlake, LA2 TWhJan 1959Oct 2025 Subbituminous Coal : 99.6%
Jackson Generating StationConsumers Energy Co - (MI)Jackson, MI2 TWhJun 2002Oct 2025 Natural Gas
NoblesvilleDuke Energy Indiana, LLCNoblesville, IN2 TWhAug 1950Dec 2024 Natural Gas
Orient Wind FarmMidAmerican Energy CoOrient, IA2 TWhNov 2018Oct 2025 Wind
PPG Powerhouse CWestlake 2 US LLCLake Charles, LA2 TWhJul 1977Oct 2025 Natural Gas : 99.6%
George Neal NorthMidAmerican Energy CoSergeant Bluff, IA2 TWhApr 1964Oct 2025 Subbituminous Coal : 99.2% Natural Gas : 0.8%
MoselleCooperative EnergyMoselle, MS2 TWhJul 1970Oct 2025 Natural Gas
Highland Wind Project (IA)MidAmerican Energy CoPrimghar, IA2 TWhMay 2015Oct 2025 Wind
Motiva Enterprises Port Arthur RefineryMotiva Enterprises LLCPort Arthur, TX2 TWhMay 1957Oct 2025 Natural Gas : 90.9% Other Gas : 9.1%
R M SchahferNorthern Indiana Pub Serv CoWheatfield, IN2 TWhNov 1976Oct 2025 Bituminous Coal : 93.7% Natural Gas : 6.3%
Rolling Hills Wind FarmMidAmerican Energy CoMassena, IA2 TWhNov 2011Oct 2025 Wind
George Neal SouthMidAmerican Energy CoSalix, IA2 TWhJun 1979Oct 2025 Subbituminous Coal : 99.0% Distillate Fuel Oil : 1.0%

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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