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 601 to 700 of 2,139
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
REG Juhl Glenville Wind, LLCREG Juhl Glenville Wind, LLCAlbert Lea, MN9 GWhNov 2020Dec 2024 Wind
Redwood Falls WindSouthern Minnesota Mun P AgnyRedwood Falls, MN10 GWhNov 2004Dec 2024 Wind
Redwood FallsRedwood Falls Public Util CommRedwood Falls, MN3 GWhDec 1969Dec 2024 Water : 82.6% Natural Gas : 12.7% Distillate Fuel Oil : 4.7%
Red Wing Community SolarTerraform ArcadiaRed Wing, MN8 GWhNov 2016Dec 2024 Solar
Red WingNorthern States Power Co - MinnesotaRed Wing, MN127 GWhSep 1949Oct 2025 Non-biogenic Municipal Solid Waste : 52.3% Biogenic Municipal Solid Waste : 42.8% Wood/Wood Waste Solids : 4.1% Natural Gas : 0.8%
Red Rock Hydro PlantWestern Minnesota Mun Pwr AgnyPella, IA170 GWhApr 2021Oct 2025 Water
Red Pine Wind ProjectEDF Renewable Asset Holdings, Inc.Ivanhoe, MN748 GWhNov 2017Oct 2025 Wind
Red Maple SolarTerraform ArcadiaCleveland, MN5 GWhMay 2018Dec 2024 Solar
Red Lake Falls Community HybridConsolidated Edison Development Inc.Red Lake Falls, MN14 GWhNov 2020Dec 2024 Wind : 95.1% Solar : 4.9%
Red BudCity of Red Bud - (IL)Red Bud, IL121 MWhFeb 1959Dec 2024 Distillate Fuel Oil
Red Barn EnergyWisconsin Public Service CorpMontfort, WI247 GWhMar 2023Oct 2025 Wind
RC Thomas Hydroelectric ProjectEast Texas Electric Coop, IncLivingston, TX123 GWhJun 2020Oct 2025 Water
RATTS 1Ratts 1 Solar LLCPetersburg, IN24 GWh-Oct 2025 Solar
Rapids Energy CenterALLETE, Inc.Grand Rapids, MN40 GWhDec 1942Dec 2024 Natural Gas : 77.3% Water : 22.7%
Rapide CrocheCity of KaukaunaKaukana, WI17 GWhDec 1925Dec 2024 Water
Rantoul SolarAltorfer Inc.Rantoul, IL3 GWhNov 2016Dec 2024 Solar
RantoulVillage of Rantoul - (IL)Rantoul, IL203 MWhDec 1950Oct 2025 Distillate Fuel Oil
Randolph CSG PV1-5Ecoplexus, IncRandolph, MN5 GWhMay 2019Dec 2024 Solar
Rail Splitter Wind FarmRail Splitter Wind Farm LLCHopedale, IL278 GWhJul 2009Dec 2024 Wind
Ragsdale Solar LLCRagsdale Solar, LLCCanton, MS233 GWhOct 2024Oct 2025 Solar
Rafterville SolarRafterville Solar, LLCAtwater, MN2 GWhJun 2023Dec 2024 Solar
R S NelsonEntergy Louisiana LLCWestlake, LA2 TWhJan 1959Oct 2025 Subbituminous Coal : 99.6%
R M SchahferNorthern Indiana Pub Serv CoWheatfield, IN2 TWhNov 1976Oct 2025 Bituminous Coal : 93.7% Natural Gas : 6.3%
R M HeskettMontana-Dakota Utilities CoMandan, ND57 GWhOct 1954Oct 2025 Natural Gas
R D MorrowCooperative EnergyPurvis, MS3 TWhMar 1978Oct 2025 Natural Gas
R D GreenBig Rivers Electric CorpRobards, KY694 GWhNov 1979Oct 2025 Natural Gas
Quilt Block Wind Farm LLCQuilt Block Wind Farm LLCDarlington, WI382 GWhAug 2017Oct 2025 Wind
Quartz Solar, LLCQuartz Solar, LLCWynne, AR232 GWh-Oct 2025 Solar
Putnam Solar 1BPivot EnergyGranville, IL2 GWhMay 2024Dec 2024 Solar
Putnam Solar 1Pivot EnergyGranville, IL2 GWhApr 2024Dec 2024 Solar
Purdue UniversityPurdue UniversityWest Lafayette, IN87 GWhDec 1968Oct 2025 Natural Gas : 91.3% Bituminous Coal : 8.7%
Purdue CHPDuke Energy Indiana, LLCWest Lafayette, IN123 GWhFeb 2022Dec 2024 Natural Gas
Pullman Solar, LLCAES Distributed EnergyLee Township, MI38 GWhNov 2022Dec 2024 Solar
PulliamWisconsin Public Service CorpGreen Bay, WI111 GWhAug 1949Oct 2025 Natural Gas
Prosperity WindProsperity Wind, LLCDeland, IL472 GWh-Oct 2025 Wind
Princeton (MN)Princeton Public Utils CommPrinceton, MN134 MWhAug 1953Dec 2024 Distillate Fuel Oil
Princeton (IL)City of Princeton - (IL)Princeton, IL434 MWhJun 1953Dec 2024 Natural Gas : 99.8%
Primrose Solar, LLCNational Grid RenewablesMankato, MN2 GWhMar 2021Dec 2024 Solar
Primient Decatur Plant CogenPrimary Products Ingredients Americas, LLCDecatur, IL254 GWhDec 1988Dec 2024 Natural Gas
PrimientPrimary Products Ingredients Americas, LLC d/b/a PrimientLafayette, IN406 GWhMay 2021Dec 2024 Natural Gas
PrickettUpper Peninsula Power CompanyPelkie, MI7 GWhOct 1931Dec 2024 Water
Preston (MN)Preston Public Utilities CommPreston, MN163 MWhDec 1948Dec 2024 Distillate Fuel Oil : 62.3% Natural Gas : 37.7%
Preston (IA)City of PrestonPreston, IA9 MWhNov 1968Dec 2024 Natural Gas : 89.7% Distillate Fuel Oil : 10.3%
Preston Garden (CSG)Preston Garden LLCFranklin, MN785 MWhJul 2024Dec 2024 Solar
Prescott Wind FarmPrescott Wind Energy LLCPrescott, IA142 GWhAug 2024Oct 2025 Wind
Prawer Project CSGPrawer Community Solar LLCClear Lake, MN2 GWhDec 2019Dec 2024 Solar
Prairie Wolf Solar LLCNational Grid RenewablesAshmore Township, IL376 GWhOct 2021Oct 2025 Solar
Prairie Wind FarmMidAmerican Energy CoMontezuma, IA587 GWhDec 2017Oct 2025 Wind
Prairie View I & II LFGTEWabash Valley Power Assn, IncWyatt, IN31 GWhSep 1994Dec 2023 Landfill Gas
Prairie State Solar ProjectPrairie State Solar, LLCSwanwick Township, IL222 GWhJun 2021Oct 2025 Solar
Prairie State Generating StationPrairie State Generating Co LLCMarissa, IL11 TWhMay 2012Oct 2025 Bituminous Coal : 99.8%
Prairie Star Wind FarmHigh Prairie Wind Farm II LLCGrand Meadow, MN298 GWhNov 2007Dec 2024 Wind
Prairie Rose Wind FarmEnel Green Power NA, Inc.Hardwick, MN435 GWhNov 2012Oct 2025 Wind
Prairie Ronde Solar FarmLightsource Renewable Energy Asset Management, LLCOpelousas, LA259 GWhOct 2024Oct 2025 Solar
Prairie RiverALLETE, Inc.Grand Rapids, MN2 GWhMar 1920Dec 2024 Water
Prairie Mist SolarPrairie Mist Solar Project, LLCMontrose, AR228 GWhAug 2024Oct 2025 Solar
Prairie IslandNorthern States Power Co - MinnesotaWelch, MN8 TWhJan 1974Oct 2025 Nuclear
Prairie Du SacWisconsin Power & Light CoPrairie du Sac, WI144 GWhSep 1915Dec 2024 Water
Prairie Creek SolarSol SystemsJacksonville, IL58 GWhOct 2023Oct 2025 Solar
Prairie CreekInterstate Power and Light CoCedar Rapids, IA90 GWhSep 1958Oct 2025 Subbituminous Coal : 64.4% Natural Gas : 35.6%
PPG RiversideWestlake 2 US LLCLake Charles, LA59 GWhAug 1947Jul 2025 Purchased Steam
PPG Powerhouse CWestlake 2 US LLCLake Charles, LA2 TWhJul 1977Oct 2025 Natural Gas : 99.6%
PPG Plant C CausticWestlake 2 US LLCLake Charles, LA14 GWhSep 1986Dec 2024 Natural Gas
Potato RapidsWisconsin Public Service CorpTown of Porterfield, WI4 GWhApr 1921Dec 2024 Water
Posey SolarSouthern Indiana Gas & Elec CoMount Vernon, IN238 GWh-Oct 2025 Solar
Portside EnergyPrimary Energy Recycling Holdings, LLCPortage, IN256 GWhAug 1997Dec 2024 Natural Gas
Porter Way Community Solar GardenAEP Onsite Partners, LLCWaconia, MN5 GWhJan 2018Oct 2025 Solar
Portage Solar PlantPortage Solar PlantPortage, WI23 GWhMay 2023Dec 2024 Solar
Portage SolarEcos Energy LLCValparaiso, IN1 GWhOct 2012Dec 2024 Solar
Port Washington Generating StationWisconsin Electric Power CoPort Washington, WI7 TWhJun 2005Oct 2025 Natural Gas
Port Edwards MillDomtar Industries IncPort Edwards, WI40 GWhDec 1912Oct 2025 Water
Port Arthur Texas RefineryTotal Petrochemicals USA IncPort Arthur, TX226 GWhJul 1988Dec 2024 Natural Gas : 75.0% Other Gas : 25.0%
Port Allen (LA)Placid Refining Co LLCPort Allen, LA43 GWhApr 1990Dec 2024 Natural Gas
Popple Creek (Clark 1)Greenbacker Renewable Energy CorporationColby, WI4 GWhJan 2024Dec 2024 Solar
PopeSun CSG, LLCCypress Creek RenewablesStarbuck, MN8 GWhNov 2017Dec 2024 Solar
Pomeroy Wind FarmMidAmerican Energy CoFonda, IA966 GWhNov 2007Oct 2025 Wind
Polaris Wind ParkDTE Electric CompanyNorth Star Township, MI443 GWhApr 2020Oct 2025 Wind
Polaris Solar ParkDTE Electric CompanyAshley, MI46 GWh-Oct 2025 Solar
Point Beach SolarPoint Beach SolarTwo Creeks, WI202 GWhAug 2021Oct 2025 Solar
Point Beach Nuclear PlantNextEra Energy Point Beach LLCTwo Rivers, WI10 TWhMay 1969Oct 2025 Nuclear
POET Biorefining - ShelbyvillePOET Biorefing- ShelbyvilleShelbyville, IN35 GWhMay 2020Dec 2024 Natural Gas
POET Biorefining - North Manchester, LLCPOET Biorefining - North Manchester, LLCNorth Manchester, IN17 GWhMay 2017Dec 2024 Natural Gas
POET Biorefining LLC - CorningPOET Biorefining LLC - CorningCorning, IA14 GWhSep 2018Dec 2024 Natural Gas
POET Biorefining Lake CrystalPOET Biorefining Lake CrystalLake Crystal, MN7 GWhMar 2005Oct 2025 Natural Gas : 83.6% Distillate Fuel Oil : 16.4%
POET Biorefining - JewellPOET Biorefining - JewellJewell, IA22 GWhFeb 2019Dec 2024 Natural Gas
POET Biorefining - HudsonPOET Biorefining - HudsonHudson, SD17 GWhApr 2019Dec 2024 Natural Gas
POET Biorefining-Hanlontown, LLCPOET Biorefining-Hanlontown, LLCHanlontown, IA12 GWhDec 2018Dec 2024 Natural Gas
POET Biorefining - GowriePOET Biorefining - GowrieGowrie, IA21 GWhOct 2018Dec 2024 Natural Gas
POET Biorefining - ChancellorPOET Biorefining- ChancellorChancellor, SD28 GWhJul 2018Dec 2024 Wood/Wood Waste Solids : 69.3% Natural Gas : 28.2% Landfill Gas : 2.5%
POET Biorefining Caro, LLCPOET Biorefining Caro, LLCCaro, MI14 GWhMay 2018Dec 2024 Natural Gas
Poet Bioprocessing EmmetsburgPoet Bioprocessing EmmetsburgEmmetsburg, IA18 GWhNov 2023Dec 2024 Natural Gas : 83.1% Other Biomass Solids : 16.9%
Pocahontas Prairie Wind FarmMidAmerican Energy CoPomeroy, IA382 GWhJan 2012Dec 2024 Wind
Plymouth WindMidAmerican Energy CoRemsen, IA777 GWhDec 2021Oct 2025 Wind
Plum Point Energy StationNRG Energy Services - Plum PointOsceola, AR4 TWhAug 2010Oct 2025 Subbituminous Coal : 99.9%
Pleasant Valley Wind FarmNorthern States Power Co - MinnesotaDexter, MN770 GWhJul 2015Dec 2024 Wind
Pleasant Valley (MN)Great River EnergyDexter, MN86 GWhApr 2001Dec 2024 Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Pleasant HillMidAmerican Energy CoPleasant Hill, IA22 GWhMay 1990Dec 2024 Natural Gas : 99.9%
Pleasant Creek Unit 2Interstate Power and Light CoPalo, IA256 GWhNov 2024Oct 2025 Solar
Pleasant Creek Unit 1Interstate Power and Light CoPalo, IA97 GWhFeb 2024Oct 2025 Solar
Platt SolarCannon River LLCHadley, MN2 GWhDec 2022Dec 2024 Solar

Surrounding Balancing Authorities

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