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 655.1 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 | 35.7% Coal | 29% Wind | 14.9% Nuclear | 13.9% Solar | 4.5% 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 2,137
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Lake HallieStandard SolarChippewa Falls, WI1 MWhNov 2024Dec 2024 Solar
Main Street (MI)Village of Sebewaing - (MI)Sebewaing, MI1 MWhMay 1947Dec 2023 Distillate Fuel Oil
Springfield (MN)Springfield Public Utils Comm - (MN)Springfield, MN1 MWhMay 1994Dec 2024 Distillate Fuel Oil
Plant FourCity of Marquette - (MI)Marquette, MI2 MWhApr 1979Dec 2024 Distillate Fuel Oil
Gilliam SouthCity of Stuart - (IA)Stuart, IA2 MWhJan 2001Dec 2024 Distillate Fuel Oil
HarlanHarlan Municipal Utilities - (IA)Harlan, IA2 MWhJun 2001Dec 2024 Distillate Fuel Oil
FairfaxCity of Fairfax - (MN)Fairfax, MN2 MWhJul 2001Dec 2024 Distillate Fuel Oil
ElroyCity of Elroy - (WI)Elroy, WI2 MWhApr 1973Dec 2024 Distillate Fuel Oil
Melrose 2Melrose Public UtilitiesMelrose, MN3 MWhFeb 2014Dec 2024 Distillate Fuel Oil
MarcelineCity of Marceline - (MO)Marceline, MO4 MWhJul 1989Dec 2024 Distillate Fuel Oil
RockfordCity of Rockford- (IA)Rockford, IA4 MWhJul 1951Dec 2024 Distillate Fuel Oil
Grand JunctionCity of Grand Junction - (IA)Grand Junction, IA4 MWhNov 1994Dec 2024 Distillate Fuel Oil
KahokaCity of KahokaKahoka, MO5 MWhDec 1940Dec 2024 Distillate Fuel Oil
PanoraCity of Panora - (IA)Panora, IA5 MWhDec 1987Dec 2024 Distillate Fuel Oil
ViolaVillage of Viola - (WI)Viola, WI5 MWhDec 2001Dec 2024 Distillate Fuel Oil
La FargeLa Farge Municipal Electric CoLa Farge, WI5 MWhSep 1990Dec 2024 Distillate Fuel Oil
GowrieGowrie Municipal UtilitiesGowrie, IA5 MWhDec 2012Dec 2024 Distillate Fuel Oil
Alliant SBD 9206 DonaldsonIndustrial Energy Applications IncCresco, IA6 MWhOct 1995Dec 2024 Distillate Fuel Oil
CaroThumb Electric Coop of MichCaro, MI6 MWhJul 1949Dec 2023 Distillate Fuel Oil
Lakefield UtilitiesCity of Lakefield - (MN)Lakefield, MN6 MWhJan 1985Dec 2024 Distillate Fuel Oil
Walton Street SubstationCity of Farmington - (MO)Farmington, MO6 MWhDec 2002Dec 2024 Distillate Fuel Oil
Peru (IN)City of Peru - (IN)Peru, IN6 MWhMay 1949Dec 2024 Distillate Fuel Oil
Evonik Industries AGEvonik Degussa CorporationLafayette, IN7 MWhApr 1992Dec 2024 Distillate Fuel Oil
EarlvilleCity of Earlville - (IA)Earlville, IA7 MWhJun 2001Dec 2024 Distillate Fuel Oil
McGregorCity of McGregor- (IA)McGregor, IA7 MWhNov 1941Dec 2024 Distillate Fuel Oil
Villisca Municipal Power PlantCity of Villisca - (IA)Villisca, IA7 MWhMay 2003Dec 2024 Distillate Fuel Oil
CashtonVillage of Cashton - (WI)Cashton, WI8 MWhJul 1932Dec 2024 Distillate Fuel Oil : 98.9% Natural Gas : 1.1%
CoggonCoggon Municipal Light PlantCoggon, IA8 MWhSep 1957Dec 2024 Distillate Fuel Oil
Stevens Community Medical CenterStevens Community Medical CenterMorris, MN8 MWhApr 2004Dec 2023 Distillate Fuel Oil
Alliant SBD 9205 A Y McDonaldIndustrial Energy Applications IncDubuque, IA9 MWhFeb 1990Dec 2024 Distillate Fuel Oil
Preston (IA)City of PrestonPreston, IA9 MWhNov 1968Dec 2024 Natural Gas : 89.7% Distillate Fuel Oil : 10.3%
Thomson Reuters Data Center Bldg ES101Ryan Companies US, Inc.Eagan, MN9 MWhApr 2009Aug 2024 Distillate Fuel Oil
WestbrookCity of WestbrookWestbrook, MN9 MWhSep 2003Dec 2024 Distillate Fuel Oil
Washington IslandWashington Island El Coop, IncWashington Island, WI9 MWhNov 1945Dec 2023 Distillate Fuel Oil
WiltonCity of Wilton - (IA)Wilton, IA9 MWhDec 1991Dec 2024 Distillate Fuel Oil
Alliant SBD 9403 Aegon DCIndustrial Energy Applications IncCedar Rapids, IA10 MWhDec 1994Dec 2024 Distillate Fuel Oil
Alliant SBG 9802 ToyotaIndustrial Energy Applications IncCedar Rapids, IA10 MWhNov 1998Dec 2024 Natural Gas
DurantCity of Durant - (IA)Durant, IA10 MWhJun 1970Dec 2024 Distillate Fuel Oil
OgdenCity of Ogden - (IA)Ogden, IA10 MWhJun 1951Dec 2024 Distillate Fuel Oil
HalstadCity of Halstad - (MN)Halstad, MN11 MWhAug 2007Dec 2024 Distillate Fuel Oil
HopkintonCity of Hopkinton - (IA)Hopkinton, IA11 MWhAug 1973Dec 2024 Distillate Fuel Oil
UblyThumb Electric Coop of MichUbly, MI12 MWhMay 1938Dec 2024 Distillate Fuel Oil : 63.3% Natural Gas : 36.7%
HillsboroCity of Hillsboro - (ND)Hillsboro, ND12 MWhJun 2002Dec 2024 Distillate Fuel Oil
South StrawberryCity of Strawberry PointStrawberry Point, IA13 MWhDec 2001Dec 2024 Distillate Fuel Oil
AnitaCity of Anita - (IA)Anita, IA13 MWhSep 1939Dec 2024 Distillate Fuel Oil
Kenyon MunicipalKenyon Municipal UtilitiesKenyon, MN14 MWhJul 1997Dec 2024 Distillate Fuel Oil
Brooklyn City North PlantCity of Brooklyn - (IA)Brooklyn, IA14 MWhApr 2002Dec 2024 Distillate Fuel Oil
FitchburgMadison Gas & Electric CoMadison, WI14 MWhApr 1973Dec 2024 Natural Gas
Novel Froehle Solar LLCNovel Froehle Solar HQ LLCCold Spring, MN15 MWhNov 2024Dec 2024 Solar
LaFayette Solar WI, LLCWisconsin Electric Power CoElkhorn, WI15 MWhNov 2024Dec 2024 Solar
Dayton (IA)City of Dayton - (IA)Dayton, IA16 MWhSep 2000Dec 2024 Distillate Fuel Oil
Novel Milbradt Solar LLCNovel Milbradt Solar HQ LLCBelview, MN16 MWhNov 2024Dec 2024 Solar
BrooklynCity of Brooklyn - (IA)Brooklyn, IA18 MWhAug 2012Dec 2024 Distillate Fuel Oil
Alliant SBD 8602 Marion SubIndustrial Energy Applications IncMarion, IA19 MWhJul 1986Dec 2024 Distillate Fuel Oil
Alliant SBD0201 IngredionIndustrial Energy Applications IncCedar Rapids, IA19 MWhMay 2003Dec 2024 Distillate Fuel Oil
Sycamore (WI)Madison Gas & Electric CoMadison, WI19 MWhNov 1967Dec 2024 Natural Gas
Anderson EricksonAnderson Erickson DairyDes Moines, IA19 MWhMar 2000Dec 2024 Distillate Fuel Oil
New LisbonCity of New LisbonNew Lisbon, WI19 MWhDec 1965Dec 2024 Distillate Fuel Oil
Lake CrystalCity of Lake Crystal - (MN)Lake Crystal, MN20 MWhApr 1952Dec 2024 Distillate Fuel Oil
JanesvilleCity of Janesville - (MN)Janesville, MN20 MWhApr 1955Dec 2024 Distillate Fuel Oil : 97.0% Natural Gas : 3.0%
Elm Street Substation GeneratorsCity of Farmington - (MO)Farmington, MO22 MWhSep 2002Dec 2024 Distillate Fuel Oil
Willmar Municipal SW SubstationWillmar Municipal UtilitiesWillmar, MN22 MWhMay 2000Dec 2024 Distillate Fuel Oil
WindomCity of WindomWindom, MN23 MWhMay 1980Dec 2024 Distillate Fuel Oil
Hendricks Regional HealthHendricks Regional HealthDanville, IN23 MWhAug 1992Sep 2025 Distillate Fuel Oil
Willmar Municipal East SubstationWillmar Municipal UtilitiesWillmar, MN23 MWhMay 2000Dec 2024 Distillate Fuel Oil
West Diesel Generation UnitCity of Pocahontas - (IA)Pocahontas, IA23 MWhMay 2006Dec 2024 Distillate Fuel Oil
ArgyleCity of Argyle - (WI)Argyle, WI24 MWhDec 1928Dec 2024 Water : 87.5% Distillate Fuel Oil : 12.5%
Valley Queen CheeseValley Queen Cheese Factory, Inc.Milbank, SD24 MWhMar 2002Jun 2025 Distillate Fuel Oil
IBM WestRochester Public UtilitiesRochester, MN25 MWhSep 2005Dec 2024 Distillate Fuel Oil
State FarmState Farm InsuranceBloomington, IL26 MWhSep 1996Sep 2025 Distillate Fuel Oil
Overall Road StationCity of Farmington - (MO)Farmington, MO26 MWhFeb 2003Dec 2024 Distillate Fuel Oil
FennimoreCity of Fennimore - (WI)Fennimore, WI27 MWhJan 1952Dec 2024 Distillate Fuel Oil
St LouisCity of St Louis - (MI)St. Louis, MI29 MWhDec 1918Dec 2024 Water : 75.9% Distillate Fuel Oil : 24.1%
4710 HostingEpic Hosting, LLCRochester, MN29 MWhMay 2012Dec 2024 Distillate Fuel Oil
Hackbarth Solar WI, LLCWisconsin Electric Power CoFort Atkinson, WI30 MWhNov 2024Dec 2024 Solar
La PorteLa Porte City UtilitiesLa Porte City, IA30 MWhNov 2000Dec 2024 Distillate Fuel Oil
Corewell Health Dearborn CampusCorewell Health Dearborn CampusDearborn, MI30 MWhDec 1978Dec 2023 Distillate Fuel Oil
St. Olaf StandBy GeneratorsSt. Olaf CollegeNorthfield, MN31 MWhMay 1999Dec 2024 Distillate Fuel Oil
Elk River City ofCity of Elk RiverElk River, MN32 MWhFeb 1948Dec 2023 Distillate Fuel Oil
Flora Site BCity of Flora - (IL)Flora, IL32 MWhNov 2001Dec 2024 Distillate Fuel Oil
MoberlyUnion Electric Co - (MO)Moberly, MO34 MWhJul 1978Dec 2024 Distillate Fuel Oil
WintersetCity of Winterset - (IA)Winterset, IA35 MWhJun 1956Dec 2024 Natural Gas : 55.9% Distillate Fuel Oil : 44.1%
MSC CroswellMichigan Sugar CompanyCroswell, MI36 MWhSep 1948Jan 2025 Natural Gas
West Group Data CenterRyan Companies US, Inc.Eagan, MN36 MWhApr 2005Sep 2025 Distillate Fuel Oil
St JamesCity of St James - (MN)St James, MN36 MWhJun 2002Dec 2024 Distillate Fuel Oil
Flora Site ACity of Flora - (IL)Flora, IL37 MWhNov 2001Dec 2024 Distillate Fuel Oil
Waterloo LundquistMidAmerican Energy CoWaterloo, IA38 MWhMar 2000Dec 2024 Distillate Fuel Oil
Sibley No TwoCity of Sibley - (IA)Sibley, IA38 MWhNov 1987Dec 2024 Distillate Fuel Oil : 67.1% Natural Gas : 32.9%
MNDOT Standby GenerationState of Minnesota Department of AdministrationSt. Paul, MN38 MWhJun 1995Aug 2025 Distillate Fuel Oil
Lake MillsCity of Lake MillsLake Mills, IA38 MWhDec 1955Dec 2024 Distillate Fuel Oil
West LibertyCity of West Liberty - (IA)West Liberty, IA38 MWhSep 1974Dec 2024 Distillate Fuel Oil
Knoxville IndustrialMidAmerican Energy CoKnoxville, IA39 MWhMar 2000Dec 2024 Distillate Fuel Oil
TrumanCity of TrumanTruman, MN39 MWhAug 1938Dec 2024 Distillate Fuel Oil
LenoxCity of Lenox - (IA)Lenox, IA39 MWhAug 1948Dec 2024 Distillate Fuel Oil
Alliant SBD 9201 NorplexIndustrial Energy Applications IncPostville, IA40 MWhNov 1988Sep 2025 Distillate Fuel Oil
Thomson Reuters Data Center Bldg HRyan Companies US, Inc.Eagan, MN41 MWhDec 2006Nov 2024 Distillate Fuel Oil
Sibley OneCity of Sibley - (IA)Sibley, IA42 MWhAug 1971Dec 2024 Distillate Fuel Oil : 58.9% Natural Gas : 41.1%
ChathamCity of Lowell - (MI)Lowell, MI42 MWhAug 2013Dec 2024 Natural Gas
AlexandriaCity of Alexandria - (MN)Alexandria, MN43 MWhDec 1947Dec 2024 Distillate Fuel Oil
ShenandoahMidAmerican Energy CoShenandoah, IA44 MWhMar 2000Dec 2024 Distillate Fuel Oil

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC870.7 TWh2,465
#2Midcontinent Independent System Operator, Inc.655.1 TWh2,831
#4Electric Reliability Council of Texas, Inc.485.0 TWh1,313
#5Southwest Power Pool299.9 TWh835
#6Southern Company Services, Inc. - Trans250.9 TWh417
#7California Independent System Operator188.0 TWh2,075
#9Tennessee Valley Authority161.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.5 TWh565