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
Monroe (MI)DTE Electric CompanyMonroe, MI16 TWhOct 1969May 2026 Subbituminous Coal : 75.2% Bituminous Coal : 15.7% Petroleum Coke : 8.9%
LabadieUnion Electric Co - (MO)Labadie, MO15 TWhMay 1970May 2026 Subbituminous Coal : 99.9%
Arkansas Nuclear OneEntergy Arkansas LLCRussellville, AR14 TWhNov 1974May 2026 Nuclear
Union Power StationEntergy Arkansas LLCEl Dorado, AR12 TWhDec 2002May 2026 Natural Gas
Prairie State Generating StationPrairie State Generating Co LLCMarissa, IL12 TWhMay 2012May 2026 Bituminous Coal : 99.8%
GibsonDuke Energy Indiana, LLCOwensville, IN11 TWhMar 1975May 2026 Bituminous Coal : 99.6%
Point Beach Nuclear PlantNextEra Energy Point Beach LLCTwo Rivers, WI10 TWhMay 1969May 2026 Nuclear
Grand GulfSystem Energy Resources, IncPort Gibson, MS10 TWhJun 1985May 2026 Nuclear
Midland Cogeneration VentureMidland Cogeneration VentureMidland, MI10 TWhMay 1989May 2026 Natural Gas
Waterford 3Entergy Louisiana LLCKillona, LA10 TWhAug 1985May 2026 Nuclear
CallawayUnion Electric Co - (MO)Fulton, MO9 TWhNov 1984May 2026 Nuclear
Prairie IslandNorthern States Power Co - MinnesotaWelch, MN9 TWhJan 1974May 2026 Nuclear
Clinton Power StationConstellation NuclearClinton, IL8 TWhOct 1987May 2026 Nuclear
River BendEntergy Louisiana LLCSt. Francisville, LA8 TWhMay 1986May 2026 Nuclear
Nine Mile PointEntergy Louisiana LLCWestwego, LA8 TWhOct 1955May 2026 Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
FermiDTE Electric CompanyFrenchtown Twp, MI8 TWhMar 1966May 2026 Nuclear
Coal CreekRainbow Energy CenterUnderwood, ND8 TWhMay 1979May 2026 Refined Coal : 99.9%
Blue Water Energy CenterDTE Electric CompanyEast China, MI8 TWhMay 2022May 2026 Natural Gas
Elm Road Generating StationWisconsin Electric Power CoOak Creek, WI8 TWhJan 2010May 2026 Subbituminous Coal : 86.7% Bituminous Coal : 10.5% Natural Gas : 2.8%
Independence Steam Electric StationEntergy Arkansas LLCNewark, AR7 TWhDec 1982May 2026 Subbituminous Coal : 99.9%
Port Washington Generating StationWisconsin Electric Power CoPort Washington, WI7 TWhJun 2005May 2026 Natural Gas
Walter Scott Jr Energy CenterMidAmerican Energy CoCouncil Bluffs, IA7 TWhFeb 1954May 2026 Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.8%
Lake Charles PowerEntergy Louisiana LLCWest Lake, LA7 TWhFeb 2020May 2026 Natural Gas
Acadia Energy CenterCleco Power LLCEunice, LA7 TWhJun 2002May 2026 Natural Gas
Sherburne CountyNorthern States Power Co - MinnesotaBecker, MN6 TWhMar 1976May 2026 Subbituminous Coal : 99.8%
Baldwin Energy ComplexDynegy Midwest Generation IncBaldwin, IL6 TWhJun 1970May 2026 Subbituminous Coal : 99.7%
Zeeland Generating StationConsumers Energy Co - (MI)Zeeland, MI6 TWhMay 2001May 2026 Natural Gas
Montgomery CountyEntergy Texas Inc.Willis, TX6 TWhDec 2020May 2026 Natural Gas
Clay BoswellALLETE, Inc.Cohasset, MN6 TWhJun 1958May 2026 Subbituminous Coal : 99.8%
Plaquemine Cogeneration PlantDow Chemical CoPlaquemine, LA6 TWhFeb 2004May 2026 Natural Gas : 97.4% Other Gas : 2.6%
Taft Cogeneration FacilityOccidental Chemical CorporationHahnville, LA6 TWhJun 2002May 2026 Natural Gas : 97.8% Other Gas : 2.2%
Columbia (WI)Wisconsin Power & Light CoPardeville, WI6 TWhApr 1975May 2026 Subbituminous Coal : 99.9%
Eagle Valley (IN)AES IndianaMartinsville, IN5 TWhNov 1951May 2026 Natural Gas
J H CampbellConsumers Energy Co - (MI)West Olive, MI5 TWhSep 1962May 2026 Subbituminous Coal : 99.6%
Dearborn Industrial GenerationDearborn Industrial Gen IncDearborn, MI5 TWhMay 1999May 2026 Natural Gas : 96.5% Blast Furnace Gas : 3.5%
Cottonwood Energy Company LPCottonwood Energy Company LPDeweyville, TX5 TWhJun 2003May 2026 Natural Gas
Belle RiverDTE Electric CompanyChina Twp, MI5 TWhOct 1981May 2026 Subbituminous Coal : 78.5% Natural Gas : 21.1%
Monticello Nuclear FacilityNorthern States Power Co - MinnesotaMonticello, MN5 TWhMay 1971May 2026 Nuclear
AES PetersburgAES IndianaPetersburg, IN5 TWhMay 1967May 2026 Bituminous Coal : 99.8%
St. Charles Power Station (LA)Entergy Louisiana LLCLa Place, LA5 TWhApr 2019May 2026 Natural Gas
MeromHallador Power Company, LLCSullivan, IN4 TWhJan 1982May 2026 Bituminous Coal : 99.7%
OuachitaEntergy Louisiana LLCSterlington, LA4 TWhJul 2002May 2026 Natural Gas
LouisaMidAmerican Energy CoMuscatine, IA4 TWhSep 1983May 2026 Subbituminous Coal : 99.3% Natural Gas : 0.7%
West Riverside Energy CenterWisconsin Power & Light CoBeloit, WI4 TWhApr 2020May 2026 Natural Gas : 99.9%
Fox Energy CenterWisconsin Public Service CorpWrightstown, WI4 TWhMay 2005May 2026 Natural Gas
WestonWisconsin Public Service CorpRothschild, WI4 TWhNov 1954May 2026 Subbituminous Coal : 99.3% Natural Gas : 0.7%
Harding StreetAES IndianaIndianapolis, IN4 TWhMay 1958May 2026 Natural Gas
Jack Fusco Energy CenterBrazos Valley EnergyThompsons, TX4 TWhApr 2003May 2026 Natural Gas
ExxonMobil Beaumont RefineryExxonMobil Oil CorpBeaumont, TX4 TWhDec 1965May 2026 Natural Gas : 96.6% Other Gas : 3.4%
Milton R YoungMinnkota Power Coop, IncCenter, ND4 TWhSep 1970May 2026 Lignite Coal : 99.8%
SiouxUnion Electric Co - (MO)West Alton, MO4 TWhApr 1967May 2026 Subbituminous Coal : 78.0% Bituminous Coal : 21.9%
Sugar Creek PowerNorthern Indiana Pub Serv CoWest Terre Haute, IN4 TWhMay 2002May 2026 Natural Gas
Perryville Power StationEntergy Louisiana LLCSterlington, LA4 TWhMay 2001May 2026 Natural Gas
Magnet CoveArkansas Electric Coop CorpMalvern, AR4 TWhJun 2005May 2026 Natural Gas
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%
SabineEntergy Texas Inc.Orange, TX4 TWhDec 1961May 2026 Natural Gas
White BluffEntergy Arkansas LLCRedfield, AR4 TWhJul 1980Mar 2026 Subbituminous Coal : 99.5%
Riverside Energy CenterWisconsin Power & Light CoBeloit, WI4 TWhMay 2004May 2026 Natural Gas
OttumwaInterstate Power and Light CoOttumwa, IA3 TWhApr 1981May 2026 Subbituminous Coal : 99.6%
Coughlin Power StationCleco Power LLCSt Landry, LA3 TWhMar 1961May 2026 Natural Gas
NewtonIllinois Power Generating CoNewton, IL3 TWhOct 1977May 2026 Subbituminous Coal : 99.8%
High BridgeNorthern States Power Co - MinnesotaSt. Paul, MN3 TWhApr 2008May 2026 Natural Gas
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%
Hot Spring Generating FacilityEntergy Arkansas LLCMalvern, AR3 TWhMay 2002May 2026 Natural Gas
Marshalltown Generating StationInterstate Power and Light CoMarshalltown, IA3 TWhMar 2017May 2026 Natural Gas : 99.9%
WarrickAGC Division of APGI IncNewburgh, IN3 TWhMar 1960May 2026 Bituminous Coal : 98.3% Natural Gas : 1.7%
R D MorrowCooperative EnergyPurvis, MS3 TWhMar 1978May 2026 Natural Gas
AttalaEntergy Mississippi LLCSallis, MS3 TWhFeb 2001May 2026 Natural Gas
Plum Point Energy StationNRG Energy Services - Plum PointOsceola, AR3 TWhAug 2010May 2026 Subbituminous Coal : 99.7%
RS CogenWestlake 2 US LLCLake Charles, LA3 TWhNov 2002May 2026 Natural Gas
Louisiana 1Entergy Louisiana LLCBaton Rouge, LA3 TWhSep 1951May 2026 Natural Gas : 71.5% Other Gas : 28.5%
Carville Energy LLCCarville Energy LLCSt Gabriel, LA3 TWhMay 2003May 2026 Natural Gas
Holland Energy FacilityNAES Corporation - (WA)Beecher City, IL3 TWhAug 2002May 2026 Natural Gas
Whiting Clean EnergyBP Alternative EnergyWhiting, IN3 TWhMar 2002May 2026 Natural Gas
Sabine River OperationsThe Dow Chemical CompanyOrange, TX3 TWhDec 1947May 2026 Natural Gas : 99.5%
CoyoteOtter Tail Power CoBeulah, ND3 TWhApr 1981May 2026 Lignite Coal : 99.8%
Mankato Energy CenterMEC Holdings, LLCMankato, MN3 TWhJun 2006Dec 2025 Natural Gas
Emery StationInterstate Power and Light CoClear Lake, IA2 TWhApr 2004May 2026 Natural Gas
R S NelsonEntergy Louisiana LLCWestlake, LA2 TWhJan 1959May 2026 Subbituminous Coal : 99.6%
Hinds Energy FacilityEntergy Mississippi LLCJackson, MS2 TWhApr 2001May 2026 Natural Gas
Lewis CreekEntergy Texas Inc.Willis, TX2 TWhNov 1970May 2026 Natural Gas
Magnolia PowerMagnolia Power Holdings LLCPlaquemine, LA2 TWhNov 2025May 2026 Natural Gas
South Oak CreekWisconsin Electric Power CoOak Creek, WI2 TWhNov 1959May 2026 Subbituminous Coal : 99.5%
Jackson Generating StationConsumers Energy Co - (MI)Jackson, MI2 TWhJun 2002May 2026 Natural Gas
EdgewaterWisconsin Power & Light CoSheboygan, WI2 TWhJun 1951May 2026 Subbituminous Coal : 99.8%
Greater Des MoinesMidAmerican Energy CoPleasant Hill, IA2 TWhApr 2003Dec 2025 Natural Gas
Orient Wind FarmMidAmerican Energy CoOrient, IA2 TWhNov 2018May 2026 Wind
Dow St Charles OperationsDow Chemical Co - St CharlesTaft, LA2 TWhNov 1996May 2026 Natural Gas : 99.0% Other Gas : 1.0%
Michigan CityNorthern Indiana Pub Serv CoMichigan City, IN2 TWhApr 1974May 2026 Subbituminous Coal : 78.0% Bituminous Coal : 20.3% Natural Gas : 1.7%
Big StoneOtter Tail Power CoBig Stone City, SD2 TWhApr 1975May 2026 Subbituminous Coal : 99.8%
George Neal SouthMidAmerican Energy CoSalix, IA2 TWhJun 1979May 2026 Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.9%
Greenwood (MI)DTE Electric CompanyAvoca, MI2 TWhJun 1979May 2026 Natural Gas
D B WilsonBig Rivers Electric CorpCentertown, KY2 TWhAug 1984May 2026 Bituminous Coal : 99.0% Distillate Fuel Oil : 1.0%
NoblesvilleDuke Energy Indiana, LLCNoblesville, IN2 TWhAug 1950Dec 2025 Natural Gas
Big Cajun 2Louisiana Generating LLCNew Roads, LA2 TWhJun 1981May 2026 Subbituminous Coal : 69.2% Natural Gas : 30.8%
George Neal NorthMidAmerican Energy CoSergeant Bluff, IA2 TWhApr 1964May 2026 Subbituminous Coal : 98.8% Natural Gas : 1.2%
Motiva Enterprises Port Arthur RefineryMotiva Enterprises LLCPort Arthur, TX2 TWhMay 1957May 2026 Natural Gas : 90.5% Other Gas : 9.5%
Rolling Hills Wind FarmMidAmerican Energy CoMassena, IA2 TWhNov 2011May 2026 Wind
MoselleCooperative EnergyMoselle, MS2 TWhJul 1970May 2026 Natural Gas

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Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC882.8 TWh2,652
#2Midcontinent Independent System Operator, Inc.669.4 TWh3,038
#3Electric Reliability Council of Texas, Inc.494.1 TWh1,471
#5Southwest Power Pool306.8 TWh856
#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