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 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 1,901 to 2,000 of 2,139
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
USS Quail Solar LLCUnited States Solar CorporationMonticello, MN2 GWhDec 2021Aug 2024 Solar
USS Fair Park Solar LLC (CSG)United States Solar CorporationFaribault, MN2 GWhNov 2023Dec 2024 Solar
USS Danube Solar LLCUnited States Solar CorporationDanube, MN2 GWhNov 2021Dec 2024 Solar
USS Cosmo Solar LLC (CSG)United States Solar CorporationDanube, MN2 GWhNov 2023Dec 2024 Solar
MN East Regal LLC (CSG)United States Solar CorporationPaynesville, MN179 MWhJul 2024Dec 2024 Solar
USS Foley Solar LLCUnited States Solar CorporationFoley, MN2 GWhJun 2022Dec 2024 Solar
USS Peach Solar LLCUnited States Solar CorporationMankato, MN2 GWhJun 2022Dec 2024 Solar
USS Wells Creek Solar LLCUnited States Solar CorporationGoodhue, MN2 GWhDec 2022Dec 2024 Solar
USS Rosebud Solar LLCUnited States Solar CorporationMorgan, MN2 GWhJul 2022Dec 2024 Solar
MP CSG 1 LLCUnited States Solar CorporationWrenshall, MN2 GWhDec 2017Dec 2024 Solar
USS Wonder Solar LLCUnited States Solar CorporationBird Island, MN2 GWhJun 2023Dec 2024 Solar
USS Wolf Solar LLCUnited States Solar CorporationWood Lake, MN2 GWhJun 2023Dec 2024 Solar
USS Dressen Family Solar LLCUnited States Solar CorporationMayer, MN2 GWhJun 2023Dec 2024 Solar
Courtland CSG LLCUnited States Solar CorporationCourtland, MN2 GWhJun 2023Dec 2024 Solar
USS Golly Gee Solar LLCUnited States Solar CorporationClear Lake, MN2 GWhJun 2023Dec 2024 Solar
USS Jayhawk Solar LLC (CSG)United States Solar CorporationMankato, MN2 GWhNov 2023Dec 2024 Solar
USS Maverick Solar LLC (CSG)United States Solar CorporationGood Thunder, MN1 GWhNov 2023Dec 2024 Solar
USS Verbena Solar LLCUnited States Solar CorporationStewart, MN2 GWhSep 2022Dec 2024 Solar
Spring Prairie Solar LLC CSGUnited States Solar CorporationGlyndon, MN1 GWhApr 2024Dec 2024 Solar
USS Mesa Solar LLCUnited States Solar CorporationDanube, MN2 GWhDec 2022Dec 2024 Solar
USS Itasca Clean Energy Solar LLCUnited States Solar CorporationGrand Rapids, MN4 GWhJul 2022Dec 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
USS Rosewood Solar LLC (CSG)United States Solar CorporationMontevideo, MN544 MWhJul 2024Dec 2024 Solar
USS Slayton Solar LLC (CSG)United States Solar CorporationSlayton, MN627 MWhJul 2024Dec 2024 Solar
USS Riley Solar LLC (CSG)United States Solar CorporationMontevideo, MN2 GWhNov 2023Dec 2024 Solar
Granite City WorksUnited States Steel Granite City WorksGranite City, IL459 GWhMay 2010Oct 2025 Natural Gas : 50.8% Purchased Steam : 49.2%
Gary WorksUnited States Steel-GaryGary, IN867 GWhMar 1997Oct 2025 Blast Furnace Gas : 52.3% Natural Gas : 47.7%
University of Illinois Abbott Power PltUniversity of IllinoisChampaign, IL211 GWhOct 1940Dec 2024 Natural Gas : 97.4% Bituminous Coal : 2.6%
University of Iowa Main Power PlantUniversity of IowaIowa City, IA4 GWhDec 1946Sep 2024 Natural Gas : 51.7% Other Biomass Solids : 19.1% Wood/Wood Waste Solids : 18.4% Bituminous Coal : 10.8%
University of MichiganUniversity of MichiganAnn Arbor, MI211 GWhDec 1974Oct 2025 Natural Gas
Warner LambertUniversity of Michigan NCampus ResearchAnn Arbor, MI24 GWhJul 1989Oct 2025 Natural Gas
Univ Minnesota CHP PlantUniversity of Minnesota Central UtilitiesMinneapolis, MN166 GWhOct 2017Dec 2024 Natural Gas : 99.9%
UMM Wind TurbineUniversity of Minnesota Morris CampusMorris, MN4 GWhMay 2011Dec 2024 Wind
WCROC Wind FarmUniversity of Minnesota WCROCMorris, MN4 GWhFeb 2005Dec 2024 Wind
University of Northern IowaUniversity of Northern IowaCedar Falls, IA21 GWhOct 1982Oct 2025 Natural Gas : 76.8% Petroleum Coke : 16.2% Bituminous Coal : 6.9%
F.D. Kuester Generating StationUpper Michigan Energy Resources CompanyNegaunee, MI375 GWhFeb 2019Dec 2024 Natural Gas
A.J. Mihm Generating StationUpper Michigan Energy Resources CompanyPelkie, MI170 GWhFeb 2019Dec 2024 Natural Gas
HoistUpper Peninsula Power CompanyNegaunee, MI13 GWhJan 1988Dec 2024 Water
McClure DamUpper Peninsula Power CompanyMarquette, MI32 GWhJan 1988Dec 2024 Water
Victoria DamUpper Peninsula Power CompanyRockland, MI26 GWhDec 1930Dec 2024 Water
PrickettUpper Peninsula Power CompanyPelkie, MI7 GWhOct 1931Dec 2024 Water
Ursa Community SolarUrsa Community SolarFarmington, MN8 GWhDec 2016Dec 2024 Solar
Saint Marys FallsUSACE-Detroit DistrictSault Ste. Marie, MI155 GWhJun 1932Dec 2024 Water
Sam Rayburn DamUSACE-Fort Worth DistrictJasper, TX199 GWhAug 1965Dec 2024 Water
DegrayUSCE -Vickburg DistrictArkadelphia, AR214 GWhJan 1972Oct 2025 Water
Blakely MountainUSCE -Vickburg DistrictRoyal, AR158 GWhAug 1955Dec 2024 Water
USG Paper, LLC - Orange MillUSG Paper LLCOrange, TX239 GWhOct 1967Dec 2023 Black Liquor : 59.3% Wood/Wood Waste Solids : 39.8% Tire-derived Fuels : 0.9%
Valley Queen CheeseValley Queen Cheese Factory, Inc.Milbank, SD24 MWhMar 2002Jun 2025 Distillate Fuel Oil
Vega Community SolarVega Community SolarGlenwood, MN8 GWhSep 2017Dec 2024 Solar
Venus Wind 3 LLCVenus Wind 3 LLCGrinnell, IA10 GWhFeb 2017Dec 2024 Wind
Vermilion Solar 1, LLC CSGVermilion Solar 1, LLCDanville, IL3 GWhNov 2020Dec 2024 Solar
Veseli Community Solar GardenVeseli Solar I LLCWebster, MN2 GWhJan 2018Dec 2024 Solar
Viking Solar CSGViking Solar, LLCPalmyra, IL5 GWhMay 2021Dec 2024 Solar
CashtonVillage of Cashton - (WI)Cashton, WI8 MWhJul 1932Dec 2024 Distillate Fuel Oil : 98.9% Natural Gas : 1.1%
FreeburgVillage of Freeburg - (IL)Freeburg, IL122 MWhJul 1948Dec 2024 Distillate Fuel Oil
RantoulVillage of Rantoul - (IL)Rantoul, IL203 MWhDec 1950Oct 2025 Distillate Fuel Oil
Main Street (MI)Village of Sebewaing - (MI)Sebewaing, MI1 MWhMay 1947Dec 2023 Distillate Fuel Oil
Pine StreetVillage of Sebewaing - (MI)Sebewaing, MI14 GWhMay 1969Dec 2024 Natural Gas
ViolaVillage of Viola - (WI)Viola, WI5 MWhDec 2001Dec 2024 Distillate Fuel Oil
Viresco Turtle LakeViresco Turtle LakeTurtle Lake, WI8 GWhAug 2013Dec 2024 Other Biomass Gas
Coffeen Solar BESSVistra CorpCoffeen, IL80 GWhNov 2024Oct 2025 Solar
Baldwin Solar BESSVistra CorpBaldwin, IL132 GWhNov 2024Oct 2025 Solar
Wabash Valley Power IGCCWabash Valley Power Assn, IncTerre Haute, IN337 GWhNov 1953Oct 2025 Natural Gas
Clinton LFGTEWabash Valley Power Assn, IncClinton, IL16 GWhJan 2006Oct 2025 Landfill Gas
Oak Ridge LFGTEWabash Valley Power Assn, IncLogansport, IN26 GWhNov 2003Dec 2024 Landfill Gas
Deercroft I & II LFGTEWabash Valley Power Assn, IncMichigan City, IN19 GWhJul 1999Dec 2024 Landfill Gas
Prairie View I & II LFGTEWabash Valley Power Assn, IncWyatt, IN31 GWhSep 1994Dec 2023 Landfill Gas
Twin Bridges LFGTEWabash Valley Power Assn, IncDanville, IN6 GWhSep 1994Dec 2023 Landfill Gas
Liberty I & II LFGTEWabash Valley Power Assn, IncMonticello, IN27 GWhJul 2005Dec 2023 Landfill Gas
Wabasha Holdco Solar CSGWabasha Holdco LLCWabasha, MN2 GWhFeb 2017Dec 2024 Solar
Wabasha SolarWabasha Solar LLCWabasha, MN2 GWhJul 2019Dec 2024 Solar
Walleye WindWalleye Wind, LLCBeaver Creek, MN476 GWhNov 2022Oct 2025 Wind
Walnut Bend Solar Station PVWalnut Bend Solar StationMoro, AR213 GWhAug 2024Oct 2025 Solar
Wapello Solar LLCWapello Solar LLCWapello, IA206 GWhFeb 2021Oct 2025 Solar
Washington IslandWashington Island El Coop, IncWashington Island, WI9 MWhNov 1945Dec 2023 Distillate Fuel Oil
Waterford Holdco CSGWaterford Holdco LLCWaterford, MN4 GWhOct 2017Dec 2024 Solar
Waverly Municipal Electric North PlantWaverly Municipal Elec UtilityWaverly, IA232 MWhJul 1958Dec 2024 Distillate Fuel Oil : 55.1% Natural Gas : 44.9%
South Plant (IA)Waverly Municipal Elec UtilityWaverly, IA51 MWhApr 2000Dec 2024 Distillate Fuel Oil
Waverly Community Wind ProjectWaverly Municipal Elec UtilityWaverly, IA6 GWhNov 2001Dec 2024 Wind
Webster Holdco Solar CSGWebster Holdco LLCWebster, MN7 GWhJun 2017Dec 2024 Solar
Western Michigan University Power PlantWestern Michigan UniversityKalamazoo, MI70 GWhJul 1997Dec 2024 Natural Gas
Red Rock Hydro PlantWestern Minnesota Mun Pwr AgnyPella, IA170 GWhApr 2021Oct 2025 Water
Marshall Solar Plus LLCWestern Minnesota Mun Pwr AgnyMarshall, MN539 MWhNov 2024Dec 2024 Solar
PPG Powerhouse CWestlake 2 US LLCLake Charles, LA2 TWhJul 1977Oct 2025 Natural Gas : 99.6%
RS CogenWestlake 2 US LLCLake Charles, LA3 TWhNov 2002Oct 2025 Natural Gas
PPG RiversideWestlake 2 US LLCLake Charles, LA59 GWhAug 1947Jul 2025 Purchased Steam
PPG Plant C CausticWestlake 2 US LLCLake Charles, LA14 GWhSep 1986Dec 2024 Natural Gas
Westlake PlaquemineWestlake Chemicals & Vinyls LLCPlaquemine, LA2 TWhApr 1997Oct 2025 Natural Gas : 98.2% Other Gas : 1.8%
Westridge Windfarm LLCWestridge Windfarm LLCWoodstock, MN288 MWhOct 2003Dec 2024 Wind
Westrock Hodge (LA)Westrock (LA)Hodge, LA466 GWhNov 1952Dec 2024 Black Liquor : 50.4% Natural Gas : 35.5% Wood/Wood Waste Solids : 14.2%
WestRock (TX)WestRock (TX)Evadale, TX415 GWhMay 1954Dec 2024 Black Liquor : 58.9% Wood/Wood Waste Solids : 22.0% Natural Gas : 19.1%
Westside SolarWestside Solar, LLC (Ecofin)Rochester, MN17 GWhNov 2022Dec 2024 Solar
White Oak Energy LLCWhite Oak Energy LLCCarlock, IL376 GWhMay 2011Dec 2024 Wind
Whiteside Solar 1 CSGWhiteside Solar 1, LLCFulton, IL2 GWhNov 2020Dec 2024 Solar
Willford Solar, LLCWillford Solar, LLCGladwin, MI34 GWhSep 2023Dec 2024 Solar
Willmar Municipal East SubstationWillmar Municipal UtilitiesWillmar, MN23 MWhMay 2000Dec 2024 Distillate Fuel Oil
Willmar Municipal SW SubstationWillmar Municipal UtilitiesWillmar, MN22 MWhMay 2000Dec 2024 Distillate Fuel Oil
WillmarWillmar Municipal UtilitiesWillmar, MN5 GWhAug 1956Jul 2024 Wind
Wilton Wind II LLCWilton Wind II LLCWilton, ND200 GWhOct 2009Dec 2024 Wind

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#60Alcoa Power Generating, Inc. - Yadkin Division643.5 GWh4
#27Associated Electric Cooperative, Inc.23.9 TWh47
#13Duke Energy Carolinas111.6 TWh565
#52Duke Energy Progress West4.3 TWh10
#24Louisville Gas and Electric Company and Kentucky Utilities Company34.2 TWh25
#1PJM Interconnection, LLC872.9 TWh2,465
#6Southern Company Services, Inc. - Trans249.9 TWh417
#5Southwest Power Pool300.6 TWh835
#51Southwestern Power Administration5.0 TWh34
#9Tennessee Valley Authority161.0 TWh204

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