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 501 to 600 of 2,269
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Posey SolarSouthern Indiana Gas & Elec CoMount Vernon, IN405 GWhApr 2025May 2026 Solar
Prairie Creek SolarSol SystemsJacksonville, IL58 GWhOct 2023May 2026 Solar
Indiana Crossroads Wind Farm IIIndiana Crossroads Wind Farm II LLCWolcott, IN593 GWhNov 2024May 2026 Wind
Prescott Wind FarmPrescott Wind Energy LLCPrescott, IA162 GWhAug 2024May 2026 Wind
Umbriel SolarUmbriel Solar, LLCLivington, TX317 GWhSep 2023May 2026 Solar
Magnolia PowerMagnolia Power Holdings LLCPlaquemine, LA2 TWhNov 2025May 2026 Natural Gas
River Fork Solar, LLCRiver Fork Solar, LLCAlbion, MI291 GWhSep 2024May 2026 Solar
Quartz Solar, LLCRWE Clean EnergyWynne, AR299 GWhFeb 2025May 2026 Solar
Sunlight Road SolarSunlight Road Solar, LLCFranklinton, LA116 GWhOct 2024May 2026 Solar
Forgeview SolarForgeview Solar, LLCBlytheville, AR187 GWhNov 2025May 2026 Solar
Flat Fork SolarFlat Fork Solar, LLCWheatley, AR339 GWhJul 2025May 2026 Solar
Amite Solar, LLCAmite Solar, LLCRoseland, LA208 GWhFeb 2025May 2026 Solar
Bayou Galion Solar ProjectBayou Galion Solar Project, LLCMer Rouge, LA219 GWhOct 2024May 2026 Solar
Pleasant Creek Unit 1Interstate Power and Light CoPalo, IA98 GWhFeb 2024May 2026 Solar
Liberty County Solar ProjectLiberty County Solar Project, LLCDayton, TX248 GWhAug 2024May 2026 Solar
Unbridled SolarGeronimo PowerRobards, KY316 GWhFeb 2025May 2026 Solar
Louise SolarGeronimo PowerTaopi, MN91 GWhNov 2024May 2026 Solar
Fillmore County Solar ProjectGeronimo PowerSpring Valley, MN81 GWhNov 2024May 2026 Solar
Cavalry Solar HybridCavalry Energy Center LLCMonon, IN360 GWhApr 2024May 2026 Solar
Walnut Bend Solar Station PVEntergy Arkansas LLCMoro, AR205 GWhAug 2024May 2026 Solar
WilmotDTE Electric CompanyKingston Twp, MI2 GWhNov 1968Apr 2026 Distillate Fuel Oil
Kent County Waste to Energy FacilityKent County - (MI)Grand Rapids, MI94 GWhSep 1989Apr 2026 Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.6%
Southwestern Bell TelephoneAT&TSt. Louis, MO105 MWhJan 1992Apr 2026 Distillate Fuel Oil
Kindred SchoolKindred Public SchoolKindred, ND216 MWhSep 2001Apr 2026 Distillate Fuel Oil
Valley Queen CheeseValley Queen Cheese Factory, Inc.Milbank, SD20 MWhMar 2002Apr 2026 Distillate Fuel Oil
Iowa Lakes Community College Wind FarmIowa Lakes Community CollegeEstherville, IA374 MWhJan 2005Apr 2026 Wind
White BluffEntergy Arkansas LLCRedfield, AR4 TWhJul 1980Mar 2026 Subbituminous Coal : 99.5%
GRS Arbor HillsGas Recovery Systems IncNorthville, MI1 GWhMay 1996Mar 2026 Landfill Gas
MSC SebewaingMichigan Sugar CompanySebewaing, MI509 MWhSep 1979Mar 2026 Bituminous Coal : 67.9% Natural Gas : 32.1%
CarpenterEntergy Arkansas LLCHot Springs, AR147 GWhDec 1931Dec 2025 Water
Lake CatherineEntergy Arkansas LLCJones Mill, AR336 GWhMar 1970Dec 2025 Natural Gas
RemmelEntergy Arkansas LLCMalvern, AR46 GWhDec 1924Dec 2025 Water
Blakely MountainUSCE -Vickburg DistrictRoyal, AR216 GWhAug 1955Dec 2025 Water
Prairie RiverALLETE, Inc.Grand Rapids, MN2 GWhMar 1920Dec 2025 Water
MolineMidAmerican Energy CoMoline, IL21 GWhDec 1941Dec 2025 Water : 97.0% Natural Gas : 3.0%
RocktonEagle Creek Renewable Energy, LLCRockton, IL6 GWhDec 1928Dec 2025 Water
VeniceUnion Electric Co - (MO)Venice, IL18 GWhMay 2002Dec 2025 Natural Gas
BreeseCity of Breese - (IL)Breese, IL539 MWhNov 1953Dec 2025 Distillate Fuel Oil
BushnellCity of Bushnell - (IL)Bushnell, IL78 MWhMay 1940Dec 2025 Distillate Fuel Oil
CarlyleCity of Carlyle - (IL)Carlyle, IL208 MWhJul 1964Dec 2025 Distillate Fuel Oil
Farmer CityCity of Farmer City - (IL)Farmer City, IL59 MWhMar 1951Dec 2025 Distillate Fuel Oil
FreeburgVillage of Freeburg - (IL)Freeburg, IL145 MWhJul 1948Dec 2025 Distillate Fuel Oil
HighlandCity of Highland - (IL)Highland, IL222 MWhFeb 1967Dec 2025 Distillate Fuel Oil
McLeansboroCity of McLeansboro - (IL)McLeansboro, IL42 MWhNov 1950Dec 2025 Distillate Fuel Oil
Marshall (IL)City of Marshall - (IL)Marshall, IL167 MWhMar 2002Dec 2025 Distillate Fuel Oil
Princeton (IL)City of Princeton - (IL)Princeton, IL813 MWhJun 1953Dec 2025 Natural Gas : 99.8%
Red BudCity of Red Bud - (IL)Red Bud, IL262 MWhFeb 1959Dec 2025 Distillate Fuel Oil
ReynoldsCity of Springfield - (IL)Springfield, IL179 MWhOct 1970Dec 2025 Distillate Fuel Oil
WaterlooCity of Waterloo - (IL)Waterloo, IL751 MWhMay 1946Dec 2025 Natural Gas : 73.6% Distillate Fuel Oil : 26.4%
Norway (IN)Northern Indiana Pub Serv CoMonticello, IN12 GWhMay 1923Dec 2025 Water
MarklandDuke Energy Indiana, LLCFlorence, IN253 GWhDec 1966Dec 2025 Water
NoblesvilleDuke Energy Indiana, LLCNoblesville, IN2 TWhAug 1950Dec 2025 Natural Gas
MarshalltownInterstate Power and Light CoMarshalltown, IA20 GWhMay 1978Dec 2025 Natural Gas
Coralville GTMidAmerican Energy CoCoralville, IA2 GWhMay 1970Dec 2025 Natural Gas
River HillsMidAmerican Energy CoDes Moines, IA2 GWhApr 1966Dec 2025 Natural Gas
Merl ParrMidAmerican Energy CoCharles City, IA3 GWhApr 1969Dec 2025 Natural Gas
KeokukUnion Electric Co - (MO)Keokuk, IA962 GWhJul 1913Dec 2025 Water
Ames Electric Services Power PlantCity of Ames - (IA)Ames, IA285 GWhApr 1968Dec 2025 Natural Gas : 91.0% Other Biomass Solids : 9.0%
AnitaCity of Anita - (IA)Anita, IA77 MWhSep 1939Dec 2025 Distillate Fuel Oil
AtlanticAtlantic Municipal Utilities (IA)Atlantic, IA115 MWhAug 1966Dec 2025 Natural Gas
BancroftBancroft Municipal Utilities - (IA)Bancroft, IA22 MWhDec 1947Dec 2025 Distillate Fuel Oil
BellevueCity of Bellevue - (IA)Bellevue, IA10 MWhJun 1947Dec 2025 Distillate Fuel Oil
BrooklynCity of Brooklyn - (IA)Brooklyn, IA14 MWhAug 2012Dec 2025 Distillate Fuel Oil
CascadeCascade Municipal Utilities - (IA)Cascade, IA31 MWhMar 1951Dec 2025 Distillate Fuel Oil
Gas Turbine (IA)Cedar Falls UtilitiesCedar Falls, IA1 GWhDec 1967Dec 2025 Natural Gas
CoggonCoggon Municipal Light Plant - (IA)Coggon, IA38 MWhSep 1957Dec 2025 Distillate Fuel Oil
CorningCity of Corning - (IA)Corning, IA6 MWhMay 1975Dec 2025 Distillate Fuel Oil
Dayton (IA)City of Dayton - (IA)Dayton, IA2 MWhSep 2000Dec 2025 Distillate Fuel Oil
Forest City Light PlantCity of Forest City- (IA)Forest City, IA392 MWhDec 1945Dec 2025 Distillate Fuel Oil
GowrieGowrie Municipal Utilities - (IA)Gowrie, IA3 MWhDec 2012Dec 2025 Distillate Fuel Oil
GraettingerCity of Graettinger - (IA)Graettinger, IA49 MWhJul 1957Dec 2025 Distillate Fuel Oil
Grand JunctionCity of Grand Junction - (IA)Grand Junction, IA41 MWhNov 1994Dec 2025 Distillate Fuel Oil
Grundy Center City Light PlantGrundy Center Mun Light & PowerGrundy Center, IA109 MWhOct 1963Dec 2025 Distillate Fuel Oil
HarlanHarlan Municipal Utilities - (IA)Harlan, IA1 MWhJun 2001Dec 2025 Distillate Fuel Oil
Lake ParkCity of Lake Park - (IA)Lake Park, IA16 MWhMar 2005Dec 2025 Distillate Fuel Oil
Lake MillsCity of Lake Mills - (IA)Lake Mills, IA99 MWhDec 1955Dec 2025 Distillate Fuel Oil
Lamoni Municipal UtilitiesCity of Lamoni - (IA)Lamoni, IA45 MWhFeb 1940Dec 2025 Distillate Fuel Oil
La PorteLa Porte City UtilitiesLa Porte City, IA162 MWhNov 2000Dec 2025 Distillate Fuel Oil
LenoxCity of Lenox - (IA)Lenox, IA55 MWhAug 1948Dec 2025 Distillate Fuel Oil
McGregorCity of McGregor- (IA)McGregor, IA11 MWhNov 1941Dec 2025 Distillate Fuel Oil
MontezumaCity of Montezuma - (IA)Montezuma, IA115 MWhJul 1940Dec 2025 Distillate Fuel Oil : 67.9% Natural Gas : 32.1%
OgdenCity of Ogden - (IA)Ogden, IA73 MWhJun 1951Dec 2025 Distillate Fuel Oil
Osage (IA)City of Osage - (IA)Osage, IA5 GWhAug 1963Dec 2025 Wind : 81.8% Solar : 18.2%
Ottumwa City ofCity of Ottumwa - (IA)Ottumwa, IA3 GWhJul 1931Dec 2025 Water
Preston (IA)City of Preston - (IA)Preston, IA9 MWhNov 1968Dec 2025 Natural Gas : 85.1% Distillate Fuel Oil : 14.9%
RockfordCity of Rockford- (IA)Rockford, IA6 MWhJul 1951Dec 2025 Distillate Fuel Oil
Sibley OneCity of Sibley - (IA)Sibley, IA174 MWhAug 1971Dec 2025 Distillate Fuel Oil : 65.0% Natural Gas : 35.0%
Spencer Gas TurbineCity of Spencer - (IA)Spencer, IA86 MWhDec 1969Dec 2025 Kerosene
State CenterCity of State Center - (IA)State Center, IA153 MWhJul 1972Dec 2025 Distillate Fuel Oil : 72.4% Natural Gas : 27.6%
Story CityCity of Story City - (IA)Story City, IA315 MWhDec 1963Dec 2025 Distillate Fuel Oil : 87.0% Natural Gas : 13.0%
SumnerCity of Sumner - (IA)Sumner, IA55 MWhJul 1956Dec 2025 Distillate Fuel Oil
Traer MainCity of Traer - (IA)Traer, IA65 MWhDec 1962Dec 2025 Distillate Fuel Oil : 98.5% Natural Gas : 1.5%
Villisca Municipal Power PlantCity of Villisca - (IA)Villisca, IA22 MWhMay 2003Dec 2025 Distillate Fuel Oil
Webster CityCity of Webster City - (IA)Webster City, IA383 MWhMar 1972Dec 2025 Distillate Fuel Oil
West BendCity of West Bend - (IA)West Bent, IA68 MWhNov 1954Dec 2025 Distillate Fuel Oil
West LibertyCity of West Liberty - (IA)West Liberty, IA234 MWhSep 1974Dec 2025 Distillate Fuel Oil
WiltonCity of Wilton - (IA)Wilton, IA8 MWhDec 1991Dec 2025 Distillate Fuel Oil
WintersetCity of Winterset - (IA)Winterset, IA33 MWhJun 1956Dec 2025 Distillate Fuel Oil : 57.8% Natural Gas : 42.2%
Summit LakeCentral Iowa Power CooperativeCreston, IA109 GWhFeb 1951Dec 2025 Natural Gas : 99.8%
TecheCleco Power LLCBaldwin, LA6 GWhJun 1953Dec 2025 Natural Gas

Surrounding Balancing Authorities

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