2. Balancing Authorities
  3. Midcontinent Independent System Operator, Inc.

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 601 to 700 of 2,137
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Walton Street SubstationCity of Farmington - (MO)Farmington, MO6 MWhDec 2002Dec 2024 Distillate Fuel Oil
Elm Street Substation GeneratorsCity of Farmington - (MO)Farmington, MO22 MWhSep 2002Dec 2024 Distillate Fuel Oil
Bullhead Solar, LLCBullhead Solar, LLCFayette, MI4 GWhDec 2020Dec 2024 Solar
USS JJ Clay Solar LLC CSGStandard SolarFelton, MN2 GWhSep 2020Dec 2024 Solar
USS Horne North Solar LLC CSGStandard SolarFelton, MN2 GWhSep 2020Dec 2024 Solar
USS Horne South Solar LLC CSGStandard SolarFelton, MN2 GWhSep 2020Dec 2024 Solar
Fennimore SolarButter Solar, LLCFennimore, WI4 GWhAug 2019Dec 2024 Solar
FennimoreCity of Fennimore - (WI)Fennimore, WI27 MWhJan 1952Dec 2024 Distillate Fuel Oil
Hoot LakeOtter Tail Power CoFergus Falls, MN3 GWhAug 1914Dec 2024 Water
Hoot Lake SolarOtter Tail Power CoFergus Falls, MN73 GWhJul 2023Sep 2025 Solar
Rush IslandUnion Electric Co - (MO)Festus, MO603 GWhFeb 1976Sep 2024 Subbituminous Coal : 98.2% Distillate Fuel Oil : 1.8%
TES Filer City StationTES Filer City Station LPFiler City, MI316 GWhApr 1990Sep 2025 Bituminous Coal : 64.6% Natural Gas : 21.3% Wood/Wood Waste Solids : 14.1%
PCA, Filer City MillPCA, Filer City MillFiler City, MI91 GWhDec 1949Sep 2025 Natural Gas
O'Brien Solar FieldsMadison Gas & Electric CoFitchburg, WI38 GWhApr 2021Dec 2024 Solar
Tyto SolarMadison Gas & Electric CoFitchburg, WI11 GWhJan 2024Dec 2024 Solar
California Ridge Wind Energy LLCSunEdison LLCFithian, IL669 GWhNov 2012Sep 2025 Wind
Genesee Power Station LPNorthStar Clean EnergyFlint, MI96 GWhNov 1995Dec 2024 Wood/Wood Waste Solids : 99.9%
Blue Elk VII Solar, LLCBlue Elk VII Solar, LLCFlint, MI22 GWhOct 2023Dec 2024 Solar
Coldwater Solar, LLCColdwater Solar, LLCFlint, MI4 GWhNov 2020Dec 2024 Solar
Flora Site BCity of Flora - (IL)Flora, IL32 MWhNov 2001Dec 2024 Distillate Fuel Oil
Flora Site ACity of Flora - (IL)Flora, IL37 MWhNov 2001Dec 2024 Distillate Fuel Oil
IMEA FloraIllinois Municipal Elec AgencyFlora, IL48 MWhNov 2000Dec 2024 Distillate Fuel Oil
MarklandDuke Energy Indiana, LLCFlorence, IN299 GWhDec 1966Dec 2024 Water
BruleWisconsin Electric Power CoFlorence, WI16 GWhDec 1918Dec 2024 Water
PineWisconsin Electric Power CoFlorence, WI10 GWhMay 1922Dec 2024 Water
Twin Falls (WI)Wisconsin Electric Power CoFlorence, WI31 GWhJun 2016Dec 2024 Water
Caelum Community SolarCaelum Community SolarFoley, MN3 GWhSep 2017Dec 2024 Solar
Svihel Community Solar LLC CSGSvihel Community Solar LLCFoley, MN2 GWhMar 2021Dec 2024 Solar
Stevens Community Solar LLCMadison Energy Holdings LLCFoley, MN2 GWhSep 2020Dec 2024 Solar
Novel Novak Solar LLC CSGREA Investments, LLCFoley, MN1 GWhJul 2021Dec 2024 Solar
USS Foley Solar LLCUnited States Solar CorporationFoley, MN2 GWhJun 2022Dec 2024 Solar
LedgeviewGreenbacker Renewable Energy CorporationFond du Lac, WI2 GWhJul 2024Dec 2024 Solar
Fond du Lac Community SolarSoCore Energy LLCFond Du Lac, WI2 GWhNov 2021Dec 2024 Solar
ENGIE 2020 ProjectCo-WI1 LLCENGIE 2020 ProjectCo-WI1 LLCFond Du Lac, WI2 GWhNov 2021Dec 2024 Solar
South Fond Du LacWisconsin Power & Light CoFond du Lac, WI5 GWhApr 1993Dec 2024 Natural Gas : 98.0% Distillate Fuel Oil : 2.0%
Blue Sky Green Field Wind ProjectWisconsin Electric Power CoFond du Lac, WI341 GWhApr 2008Sep 2025 Wind
Pomeroy Wind FarmMidAmerican Energy CoFonda, IA972 GWhNov 2007Sep 2025 Wind
FontanelleForward Fontanelle Power, LLCFontanelle, IA6 GWhJul 2012Dec 2024 Wind
Foxtail Wind, LLCFoxtail Wind, LLCForbes, ND607 GWhDec 2019Sep 2025 Wind
Ford County Wind Farm LLCFord RidgeFord County, IL471 GWhFeb 2022Sep 2025 Wind
Forest City SolarButter Solar, LLCForest City, IA5 GWhAug 2019Dec 2024 Solar
Winnebago Wind Power ProjectAvangrid Power LLCForest City, IA59 GWhAug 2008Dec 2024 Wind
Forest City Light PlantCity of Forest City- (IA)Forest City, IA225 MWhDec 1945Dec 2024 Distillate Fuel Oil
Woodruff Electric CooperativeToday's Power, Inc.Forrest City, AR2 GWhApr 2019Dec 2024 Solar
Forrest City- Eldridge RoadGreenbacker Renewable Energy CorporationForrest City, AR2 GWhMar 2021Dec 2024 Solar
Forrest City- Prison SiteGreenbacker Renewable Energy CorporationForrest City, AR2 GWhMar 2021Dec 2024 Solar
Hackbarth Solar WI, LLCWisconsin Electric Power CoFort Atkinson, WI30 MWhNov 2024Dec 2024 Solar
Jones DairyWisconsin Electric Power CoFort Atkinson, WI4 GWhJun 2021Dec 2024 Solar
Holliday Creek SolarMidAmerican Energy CoFort Dodge, IA209 GWhJun 2022Sep 2025 Solar
FountainGreenbacker Renewable Energy CorporationFountain, MN6 GWhOct 2021Dec 2024 Solar
Hardy Hills Solar Energy LLCHardy Hills Solar LLCFrankfort, IN362 GWhFeb 2024Sep 2025 Solar
Ivanhoe Generation FacilityOrion Engineered CarbonsFranklin, LA53 GWhMar 2023Dec 2024 Waste Heat
Preston Garden (CSG)Preston Garden LLCFranklin, MN785 MWhJul 2024Dec 2024 Solar
USS Catfish Solar LLCUnited States Solar CorporationFranklin, MN2 GWhDec 2022Dec 2024 Solar
USS Franklin Solar LLCUnited States Solar CorporationFranklin, MN2 GWhDec 2022Dec 2024 Solar
Metro Gas RecoveryWM Renewable Energy LLCFranklin, WI37 GWhNov 1985Dec 2024 Landfill Gas
Sunlight Road SolarSunlight Road Solar, LLCFranklinton, LA106 GWhOct 2024Sep 2025 Solar
Iris Solar LLCIris Solar LLCFranklinton, LA115 GWhSep 2022Sep 2025 Solar
FreeburgVillage of Freeburg - (IL)Freeburg, IL122 MWhJul 1948Dec 2024 Distillate Fuel Oil
2662 Freeport Solar 1 CSG2662 Freeport Solar 1, LLCFreeport, IL4 GWhNov 2020Dec 2024 Solar
Cedarville (IL)Generate CapitalFreeport, IL1 GWhApr 2024Dec 2024 Solar
Michael SolarSoCore Energy LLCFreeport, MN7 GWhNov 2017Dec 2024 Solar
FermiDTE Electric CompanyFrenchtown Twp, MI10 TWhMar 1966Sep 2025 Nuclear
Frontenac Holdco LLC, CSGFrontenac Holdco LLCFrontenac, MN9 GWhFeb 2019Dec 2024 Solar
Cattail (CSG)Cattail Solar, LLCFulton, IL3 GWhMay 2022Dec 2024 Solar
Whiteside Solar 1 CSGWhiteside Solar 1, LLCFulton, IL2 GWhNov 2020Dec 2024 Solar
USS KVPV Solar LLC CSGStandard SolarFulton, MN2 GWhSep 2020Dec 2024 Solar
CallawayUnion Electric Co - (MO)Fulton, MO8 TWhNov 1984Sep 2025 Nuclear
Garden 1 Solar ParkDTE Sustainable GenerationGarden Township, MI1 GWhAug 2016Dec 2024 Solar
Garden 2 Solar ParkDTE Sustainable GenerationGarden Township, MI2 GWhMay 2022Dec 2024 Solar
Heritage Garden Wind Farm I LLCDTE Sustainable GenerationGarden, MI75 GWhAug 2012Dec 2024 Wind
Fairbanks Wind ParkDTE Electric CompanyGarden, MI203 GWhDec 2021Sep 2025 Wind
Hancock County Wind Energy CenterFPL Energy Hancock County Wind, LLCGarner, IA252 GWhNov 2002Sep 2025 Wind
Hawkeye Power Partners LLCHawkeye Power Partners LLCGarner, IA176 GWhMar 1999Dec 2024 Wind
USS Kass Solar LLCStandard SolarGarvin, MN2 GWhDec 2020Dec 2024 Solar
Gary WorksUnited States Steel-GaryGary, IN784 GWhMar 1997Sep 2025 Blast Furnace Gas : 51.3% Natural Gas : 48.6%
Gas City Solar ParkIndiana Municipal Power AgencyGas City, IN4 GWhMay 2020Dec 2024 Solar
Livingston Generating StationCMS Generation MI Power LLCGaylord, MI20 GWhMay 1999Dec 2024 Natural Gas
Gaylord - WolverineWolverine Power Supply CoopGaylord, MI23 GWhMay 2001Dec 2024 Natural Gas
Mud Garden SolarMud Garden LLCGaylord, MN2 GWhFeb 2020Dec 2024 Solar
Titlow Garden LLC CSGTitlow Garden LLCGaylord, MN2 GWhDec 2022Dec 2024 Solar
SolarClub 28 LLCNautilus Solar SolutionsGaylord, MN2 GWhNov 2020Dec 2024 Solar
GeismarBASF CorporationGeismar, LA514 GWhJun 1985Dec 2024 Natural Gas : 63.1% Other Gas : 36.9%
Shell ChemicalShell Chemical LP - GeismarGeismar, LA572 GWhJul 2002Dec 2024 Natural Gas
Geismar CogenAir Liquide Large Industries U S LPGeismar, LA586 GWhDec 1999Dec 2024 Natural Gas
GeneseoCity of Geneseo - (IL)Geneseo, IL8 GWhJun 1957Sep 2025 Wind : 75.9% Solar : 22.4%
GermantownWisconsin Electric Power CoGermantown, WI28 GWhJun 1978Dec 2024 Natural Gas : 94.1% Distillate Fuel Oil : 5.9%
Omega Hills Gas RecoveryWM Renewable Energy LLCGermantown, WI80 GWhNov 1985Sep 2025 Landfill Gas
Gibbon SolarGreen Street Power PartnersGibbon, MN6 GWhMay 2019Dec 2024 Solar
Gibson City Energy Center LLCGibson City Energy Center LLCGibson City, IL109 GWhMay 2000Dec 2024 Natural Gas
Willford Solar, LLCWillford Solar, LLCGladwin, MI34 GWhSep 2023Dec 2024 Solar
Big FallsNorthern States Power Co - MinnesotaGlen Fora, WI36 GWhDec 1921Dec 2024 Water
Glen Ullin Station 6Montana-Dakota Utilities CoGlen Ullin, ND38 GWhJun 2009Dec 2024 Waste Heat
Glen Ullin Energy CenterALLETE Clean EnergyGlen Ullin, ND427 GWhNov 2019Sep 2025 Wind
Plato CSG1, LLCNautilus Solar SolutionsGlencoe, MN2 GWhDec 2020Dec 2024 Solar
Spruce Ridge Gas RecoveryWM Renewable Energy LLCGlencoe, MN22 GWhMar 2008Dec 2024 Landfill Gas
GlencoeGlencoe Light & Power CommGlencoe, MN182 MWhMay 1957Dec 2024 Distillate Fuel Oil : 99.8%
Glendive GTMontana-Dakota Utilities CoGlendive, MT3 GWhMay 1979Dec 2024 Natural Gas : 89.5% Distillate Fuel Oil : 10.5%
AlconaConsumers Energy Co - (MI)Glennie, MI26 GWhDec 1923Dec 2024 Water
Freeborn Wind FarmNorthern States Power Co - MinnesotaGlenville, MN720 GWhApr 2021Sep 2025 Wind

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#61Alcoa Power Generating, Inc. - Yadkin Division696.7 GWh4
#27Associated Electric Cooperative, Inc.23.6 TWh47
#13Duke Energy Carolinas112.5 TWh565
#52Duke Energy Progress West4.3 TWh10
#24Louisville Gas and Electric Company and Kentucky Utilities Company34.4 TWh25
#1PJM Interconnection, LLC870.7 TWh2,465
#6Southern Company Services, Inc. - Trans250.9 TWh417
#5Southwest Power Pool299.9 TWh835
#49Southwestern Power Administration5.2 TWh34
#9Tennessee Valley Authority161.6 TWh204

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