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 501 to 600 of 2,137
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Searcy Solar HybridSearcy Solar, LLCSearcy, AR207 GWhDec 2021Sep 2025 Solar
SCS West Fairchild 011958 Danville, LLCArevon Energy, Inc.Danville, IL3 GWhJun 2021Dec 2024 Solar
SCS Galena 012589 Peoria, LLCArevon Energy, Inc.Peoria, IL4 GWhNov 2021Dec 2024 Solar
SCS COUNTY 012631 Champaign, LLCArevon Energy, Inc.Champaign, IL4 GWhAug 2021Dec 2024 Solar
SCS American Bottoms 009885 Sauget, LLCArevon Energy, Inc.Sauget, IL2 GWhJul 2020Dec 2024 Solar
Scottsburg Solar ParkIndiana Municipal Power AgencyScottsburg, IN12 GWhSep 2020Dec 2024 Solar
Scotland Solar RESHoosier Energy R E C, IncNewberry, IN2 GWhOct 2015Dec 2024 Solar
Schwinghamer Project CSGSchwinghamer Community Solar LLCAlbany, MN2 GWhNov 2019Dec 2024 Solar
Schultz CSGDG Minnesota CSG, LLCWebster, MN3 GWhOct 2018Dec 2024 Solar
Schulte 2 Community SolarSchulte 2 Community SolarLacon, IL4 GWhNov 2020Dec 2024 Solar
Schull CSGSchull CSG LLCMapleton, MN2 GWhOct 2021Dec 2024 Solar
Schueler Community SolarSchueler Community Solar LLCAnnandale, MN2 GWhJul 2020Dec 2024 Solar
School Sisters CSGSchool Sisters CSG LLCMankato, MN2 GWhApr 2018Dec 2024 Solar
ScanlonALLETE, Inc.Scanlon, MN7 GWhDec 1922Dec 2024 Water
Scandia CSGDG Minnesota CSG, LLCScandia, MN9 GWhDec 2017Dec 2024 Solar
Scandia Community Solar GardenScandia CSG LLCScandia, MN4 GWhJun 2018Dec 2024 Solar
Saxon FallsNorthern States Power Co - MinnesotaSaxon, WI8 GWhDec 1912Dec 2024 Water
Sauk Solar ParkDTE Electric CompanyUnion City, MI188 GWh-Sep 2025 Solar
Sauk DPC SolarSoCore Energy LLCWonewoc, WI1 GWhDec 2016Dec 2024 Solar
SAU TechToday's Power, Inc.Bearden, AR2 GWhJun 2019Dec 2024 Solar
Sartell Holdco CSGSartell Holdco LLCSartell, MN9 GWhApr 2019Dec 2024 Solar
Sartell DamEagle Creek Renewable Energy, LLCSartell, MN29 GWhFeb 1985Dec 2024 Water
Saratoga Wind FarmMadison Gas & Electric CoLime Springs, IA272 GWhJan 2019Sep 2025 Wind
Sappi Cloquet MillSappi Cloquet LLCCloquet, MN448 GWhDec 1928Sep 2025 Black Liquor : 64.5% Wood/Wood Waste Solids : 17.7% Natural Gas : 13.6% Water : 3.5%
Sapphire Sky Wind Energy LLCInvenergy Services LLCFarmer City, IL937 GWhNov 2021Sep 2025 Wind
Sandstone RapidsWisconsin Public Service CorpTown of Stephenson, WI9 GWhDec 1924Dec 2024 Water
SandovalSandoval Holdco, LLCCentralia, IL4 GWhFeb 2021Dec 2024 Solar
Sand Lake DPC SolarSoCore Energy LLCCenturia, WI2 GWhOct 2017Dec 2024 Solar
San Jacinto County Peaking FacilityEast Texas Electric Coop, IncShepherd, TX140 GWhJun 2001Dec 2024 Natural Gas
Sam Rayburn DamUSACE-Fort Worth DistrictJasper, TX199 GWhAug 1965Dec 2024 Water
Salt Creek Township Solar, LLCBirch Creek Power, LLCMason City, IL86 GWh-Sep 2025 Solar
Saint Marys Hospital Power PlantSt Mary's HospitalRochester, MN57 GWhDec 1970Sep 2025 Natural Gas : 99.4% Distillate Fuel Oil : 0.6%
Saint Marys FallsUSACE-Detroit DistrictSault Ste. Marie, MI155 GWhJun 1932Dec 2024 Water
Sagitta Community SolarNational Grid RenewablesClara City, MN2 GWhNov 2018Dec 2024 Solar
Sagamore Plant CogenerationTate & Lyle Ingredients Americas IncLafayette, IN17 GWhSep 1984Sep 2025 Natural Gas
SAF Hydroelectric LLCSAF Hydroelectric LLCMinneapolis, MN29 GWhNov 2011Dec 2024 Water
Sacred Heart CSG1, LLCNautilus Solar SolutionsSacred Heart, MN2 GWhJul 2021Dec 2024 Solar
Sac County Wind, LLCSac County WindSac City, IA315 GWhNov 2021Sep 2025 Wind
Sabine River OperationsThe Dow Chemical CompanyOrange, TX3 TWhDec 1947Sep 2025 Natural Gas : 99.3% Other Gas : 0.7%
SabineEntergy Texas Inc.Orange, TX4 TWhDec 1961Sep 2025 Natural Gas
SABIC Innovative Plastics Mt. VernonSABIC IP Mt. Vernon, LLCMount Vernon, IN386 GWhMay 1996Sep 2025 Natural Gas
S&P Windfarm LLCBrewsterBrewster, MN4 GWhNov 2003Dec 2024 Wind
Ruthton Ridge LLCCHI Operations IncLake Benton, MN5 GWhDec 2000Dec 2024 Wind
Rushford VillageGreenbacker Renewable Energy CorporationRushford Village, MN2 GWhOct 2021Dec 2024 Solar
Rush IslandUnion Electric Co - (MO)Festus, MO603 GWhFeb 1976Sep 2024 Subbituminous Coal : 98.2% Distillate Fuel Oil : 1.8%
Rugby Wind Power ProjectAvangrid Power LLCBarton, ND335 GWhNov 2009Dec 2024 Wind
RS CogenWestlake 2 US LLCLake Charles, LA3 TWhNov 2002Sep 2025 Natural Gas
Round Grove 2SoCore Energy LLCLyndon, IL5 GWhOct 2021Dec 2024 Solar
Round Grove 1SoCore Energy LLCLyndon, IL4 GWhOct 2021Dec 2024 Solar
Rothschild Biomass Cogen FacilityWisconsin Electric Power CoRothschild, WI153 GWhOct 2013Dec 2024 Wood/Wood Waste Solids : 97.4% Natural Gas : 2.6%
Rosewater Wind FarmRosewater Wind Farm LLCChalmers, IN308 GWhNov 2020Sep 2025 Wind
Rosemount Community SolarRosemount Community SolarRosemount, MN8 GWhNov 2016Dec 2024 Solar
RosemanRoseman Energy, LLCAnita, IA7 GWhJan 2017Dec 2024 Wind
Roquette AmericaRoquette AmericaKeokuk, IA209 GWhJun 2004Sep 2025 Natural Gas
Rollingstone Holdco CSGRollingstone Holdco LLCRollingstone, MN8 GWhJul 2019Dec 2024 Solar
Rolling Hills Wind FarmMidAmerican Energy CoMassena, IA2 TWhNov 2011Sep 2025 Wind
RogersConsumers Energy Co - (MI)Big Rapids, MI16 GWhDec 1921Dec 2024 Water
Roeder Family Wind Farm LLCConsolidated Edison Development Inc.Manly, IA5 GWhAug 2011Dec 2024 Wind
Rockville Solar II, LLCGreenbacker Renewable Energy CorporationIndianapolis, IN812 MWhJul 2014Dec 2024 Solar
Rockville Solar I LLCGreenbacker Renewable Energy CorporationIndianapolis, IN3 GWhMar 2014Dec 2024 Solar
RocktonEagle Creek Renewable Energy, LLCRockton, IL6 GWhDec 1928Dec 2024 Water
RockGen Energy CenterDairyland Power CoopCambridge, WI510 GWhMay 2001Sep 2025 Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Rockford SolarRockford Solar, LLCRockford, IL4 GWhNov 2021Dec 2024 Solar
Rockford CS 2Rockford CS 2, LLCRockford, IL4 GWhMar 2021Dec 2024 Solar
Rockford CS 1Rockford CS 1, LLCRockford, IL4 GWhMar 2021Dec 2024 Solar
RockfordCity of Rockford- (IA)Rockford, IA4 MWhJul 1951Dec 2024 Distillate Fuel Oil
Rock Lake CTGreat River EnergyPine City, MN270 MWhMar 1978Dec 2024 Distillate Fuel Oil
Rock County Wind Fuel, LLCRock County Wind Fuel, LLCLuverne, MN20 GWhApr 2020Dec 2024 Wind
Rock Aetna Power PartnersNorthern States Power Co - MinnesotaWoodstock, MN82 GWhNov 2022Dec 2024 Wind
Rochester HydroRochester Public UtilitiesMazeppa, MN10 GWhAug 1984Dec 2024 Water
Robert A ReidBig Rivers Electric CorpRobards, KY21 GWhDec 1965Aug 2024 Natural Gas
Roberds Garden CSGRoberds Garden LLCFaribault, MN2 GWhAug 2019Dec 2024 Solar
RJC II Community Solar GardenRJC II CSG LLCOwatonna, MN2 GWhMay 2018Dec 2024 Solar
RJC I CSGRJC I CSG LLCOwatonna, MN2 GWhJun 2018Dec 2024 Solar
RJC CSG, LLCMadison Energy Holdings LLCOwatonna,, MN2 GWhMay 2021Dec 2024 Solar
Riverview Energy SystemsRiverview Energy SystemsRiverview, MI1 GWhDec 1987Dec 2024 Landfill Gas
Riverside (MN)Northern States Power Co - MinnesotaMinneapolis, MN1 TWhMar 1987Sep 2025 Natural Gas
Riverside Energy CenterWisconsin Power & Light CoBeloit, WI3 TWhMay 2004Sep 2025 Natural Gas
Rivercrest SDEntegrity Solar Rivercrest SD, LLCWilson, AR2 GWhFeb 2022Dec 2024 Solar
River HillsMidAmerican Energy CoDes Moines, IA1 GWhApr 1966Dec 2024 Natural Gas
River Fork Solar, LLCRiver Fork Solar, LLCAlbion, MI274 GWhSep 2024Sep 2025 Solar
River BendEntergy Louisiana LLCSt. Francisville, LA7 TWhMay 1986Sep 2025 Nuclear
Rippey Wind FarmGreenbacker Renewable Energy CorporationGrand Junction, IA154 GWhJul 2012Dec 2024 Wind
Riley Generating StationCity of Zeeland - (MI)Zeeland, MI169 MWhJun 2006Dec 2024 Natural Gas
RidgewindRidgewind Power Partners LLCWoodstock, MN81 GWhDec 2010Dec 2024 Wind
RidgeviewWM Renewable Energy LLCWhitelaw, WI36 GWhAug 2002Dec 2024 Landfill Gas
Ridge FarmRidge Farm Solar 1 LLCRidge Farm, IL4 GWhNov 2020Dec 2024 Solar
Richmond CSGSoCore Energy LLCRichmond, MN9 GWhNov 2017Dec 2024 Solar
Richland Township Solar, LLCBirch Creek Power, LLCWashburn, IL62 GWh-Sep 2025 Solar
Richland (IA)Interstate Power and Light CoOdebolt, IA491 GWhAug 2020Sep 2025 Wind
Richland Center Renewable Energy LLCRichland Center Renewable Energy LLCRichland Center, WI6 GWhFeb 2013Dec 2024 Other Biomass Gas
Rice Lake Solar ArrayAEP Onsite Partners, LLCRice Lake, WI7 GWhMay 2019Dec 2024 Solar
Rhinelander MillAhlstrom-MunksjoRhinelander, WI6 GWhNov 1917Sep 2025 Water
ReynoldsCity of Springfield - (IL)Springfield, IL81 MWhOct 1970Dec 2024 Distillate Fuel Oil
Rensselaer Solar Site 2Indiana Municipal Power AgencyRensselaer, IN8 GWhNov 2018Dec 2024 Solar
Rengstorf Solar CSGNational Grid RenewablesCoutland, MN9 GWhOct 2017Dec 2024 Solar
Renewable Energy Center at BJHUnion Electric Co - (MO)St Louis, MO846 MWhSep 2019Dec 2024 Solar
Renaissance Power PlantDTE Electric CompanyCarson City, MI1 TWhFeb 2002Sep 2025 Natural Gas
RemmelEntergy Arkansas LLCMalvern, AR30 GWhDec 1924Dec 2024 Water
Regal WareWisconsin Electric Power CoWest Bend, WI3 GWhMar 2021Dec 2024 Solar

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