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 1,701 to 1,800 of 2,137
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Southern Minnesota Beet SugarSouthern Minnesota Beet SugarRenville, MN24 GWhAug 1976Sep 2025 Subbituminous Coal : 70.9% Natural Gas : 28.5% Residual Fuel Oil : 0.6%
Southside SDEntegrity Solar Southside SD, LLCLittle Rock, AR2 GWhMay 2023Dec 2024 Solar
Southwestern Bell TelephoneAT&TSt. Louis, MO116 MWhJan 1992Aug 2025 Distillate Fuel Oil
Spartan Hills LLCCHI Operations IncLake Benton, MN5 GWhDec 2000Dec 2024 Wind
Spartan PV 1, LLCNJR Clean Energy Ventures CorporationEast Lansing, MI12 GWhNov 2017Dec 2024 Solar
Speedway Solar, LLCSpeedway Solar, LLCMorrison Town, IN154 GWh-Sep 2025 Solar
Spencer Gas TurbineCity of Spencer - (IA)Spencer, IA651 MWhDec 1969Dec 2024 Kerosene
Spica Community SolarSpica Community SolarLake Lillian, MN3 GWhJul 2017Dec 2024 Solar
Spiritwood StationGreat River EnergySpiritwood, ND154 GWhOct 2014Sep 2025 Natural Gas : 59.9% Refined Coal : 40.1%
Spooner Solar ArrayAEP Onsite Partners, LLCSpooner, WI4 GWhMay 2019Dec 2024 Solar
Spring Mill Solar RESHoosier Energy R E C, IncMitchell, IN2 GWhAug 2017Dec 2024 Solar
Spring Prairie Solar LLC CSGUnited States Solar CorporationGlyndon, MN1 GWhApr 2024Dec 2024 Solar
Spring Prairie Solar WI, LLCWisconsin Electric Power CoBurlington, WI4 GWhNov 2023May 2024 Solar
Spring ValleySpring Valley Pub Utils CommSpring Valley, MN157 MWhDec 1951Dec 2024 Distillate Fuel Oil : 78.5% Natural Gas : 21.5%
Springfield (MN)Springfield Public Utils Comm - (MN)Springfield, MN1 MWhMay 1994Dec 2024 Distillate Fuel Oil
Springfield Solar (WI)Wisconsin Power & Light CoLomira, WI203 GWhNov 2023Sep 2025 Solar
Spruce Ridge Gas RecoveryWM Renewable Energy LLCGlencoe, MN22 GWhMar 2008Dec 2024 Landfill Gas
St BonifaciusGreat River EnergySt. Bonifacius, MN2 GWhMay 1978Dec 2024 Distillate Fuel Oil
St. Charles Power PlantCity of St Charles - (MN)St. Charles, MN71 MWhNov 2004Dec 2024 Distillate Fuel Oil
St. Charles Power Station (LA)Entergy Louisiana LLCLa Place, LA6 TWhApr 2019Sep 2025 Natural Gas
St. Charles SolarButter Solar, LLCSt Charles Township, MN3 GWhAug 2019Dec 2024 Solar
St ClairDTE Electric CompanyEast China Twp, MI4 GWhJul 1953Sep 2025 Natural Gas
St. Clair Solar 3Pivot EnergyWashington Park, IL158 MWhMay 2024Dec 2024 Solar
St. Cloud HydroSt. Cloud Hydroelectric Generation FacilitySt Cloud, MN51 GWhMay 1988Dec 2024 Water
St. Cloud Solar CSGNational Grid RenewablesSt. Cloud, MN9 GWhMar 2018Dec 2024 Solar
St Croix FallsNorthern States Power Co - MinnesotaSt Croix Falls, WI105 GWhDec 1909Dec 2024 Water
St Francisville MillHood Container of Louisiana, LLCSt. Francisville, LA110 GWhFeb 1966Dec 2024 Black Liquor : 58.6% Natural Gas : 41.4%
St JamesCity of St James - (MN)St James, MN36 MWhJun 2002Dec 2024 Distillate Fuel Oil
St. James Solar (LA)St. James Solar, LLCVacherie, LA45 GWhJan 2023Dec 2024 Solar
St LouisCity of St Louis - (MI)St. Louis, MI29 MWhDec 1918Dec 2024 Water : 75.9% Distillate Fuel Oil : 24.1%
St. Mary Clean Energy CenterCleco Power LLCCenterville, LA201 GWhJul 2019Dec 2024 Waste Heat
St. Olaf StandBy GeneratorsSt. Olaf CollegeNorthfield, MN31 MWhMay 1999Dec 2024 Distillate Fuel Oil
St. Olaf Wind TurbineSt. Olaf CollegeNorthfield, MN3 GWhAug 2006Dec 2024 Wind
St Paul CogenerationSt Paul Cogeneration LLCSt. Paul, MN151 GWhMar 2003Dec 2024 Wood/Wood Waste Solids : 82.2% Natural Gas : 17.8%
St. Paul Intl Airport Red & Blue ParkingMetropolitan Airports CommissionSt. Paul, MN3 GWhNov 2015Sep 2025 Solar
STAG St. Paul Project CSGSTAG St. Paul Community Solar LLCSaint Paul, MN1 GWhDec 2019Dec 2024 Solar
Stahl Wind EnergyStahl Wind Energy, LLC (Longroad)Pipestone, MN2 GWhNov 2004Nov 2024 Wind
Star City School DistrictToday's Power, Inc.Star City, AR3 GWhAug 2021Dec 2024 Solar
Star GardenStar Garden LLCStarbuck, MN2 GWhJan 2020Dec 2024 Solar
State CenterCity of State Center - (IA)State Center, IA75 MWhJul 1972Dec 2024 Distillate Fuel Oil : 63.9% Natural Gas : 36.1%
State FarmState Farm InsuranceBloomington, IL26 MWhSep 1996Sep 2025 Distillate Fuel Oil
StauntonCypress Creek RenewablesBrazil, IN7 GWhNov 2018Dec 2024 Solar
Stearns Community Solar One LLC CSGMadison Energy Holdings LLCAlbany, MN2 GWhNov 2019Dec 2024 Solar
Stearns Solar IStearns Solar I LLCAlbany, MN2 GWhAug 2019May 2024 Solar
Stevens Community Medical CenterStevens Community Medical CenterMorris, MN8 MWhApr 2004Dec 2023 Distillate Fuel Oil
Stevens Community Solar LLCMadison Energy Holdings LLCFoley, MN2 GWhSep 2020Dec 2024 Solar
Stevens PointConsolidated Water Power CoStevens Point, WI29 GWhDec 1917Dec 2024 Water
Stevens Point MillPixelle Specialty Solution, LLCStevens Point, WI13 GWhJan 2002Dec 2024 Natural Gas
Stewart CSG1, LLCNautilus Solar SolutionsStewart, MN2 GWhJul 2021Dec 2024 Solar
StilesOconto Electric CooperativeOconto Falls, WI6 GWhFeb 1949Dec 2024 Water
Stockton (MN)Greenbacker Renewable Energy CorporationWinona, MN4 GWhOct 2021Dec 2024 Solar
Stoneheart Solar, LLCStoneheart Solar, LLCSaginaw, MI4 GWhNov 2020Dec 2024 Solar
Stoneray Power Partners, LLCEDF Renewable Asset Holdings, Inc.Woodstock, MN366 GWhJan 2019Sep 2025 Wind
Stoney Corners Wind FarmDTE Sustainable GenerationMcBain, MI127 GWhNov 2009Dec 2024 Wind
Storm Lake 1ALLETE Clean EnergyAlta, IA85 GWhApr 1999Dec 2024 Wind
Storm Lake IIALLETE Clean EnergyAlta, IA114 GWhMar 1999Dec 2024 Wind
Story CityCity of Story City - (IA)Story City, IA97 MWhDec 1963Dec 2024 Distillate Fuel Oil : 89.6% Natural Gas : 10.4%
Story City Wind ProjectHamilton Wind Energy LLCStory City, IA5 GWhSep 2010Dec 2024 Wind
Straight Garden SolarStraight Garden LLCFaribault, MN2 GWhFeb 2020Dec 2024 Solar
Strandness GardenStrandness Garden LLCStarbuck, MN2 GWhJan 2020Dec 2024 Solar
Strawberry Point DPC SolarSoCore Energy LLCStrawberry Point, IA2 GWhOct 2017Dec 2024 Solar
Streeter StationCedar Falls UtilitiesCedar Falls, IA8 GWhAug 1963Dec 2024 Natural Gas : 94.0% Bituminous Coal : 6.0%
StrobusGreenbacker Renewable Energy CorporationMerrillan, WI3 GWhAug 2021Dec 2024 Solar
Stromland SolarGreenbacker Renewable Energy CorporationCochrane, WI6 GWhNov 2021Dec 2024 Solar
Studenski Community Solar LLC CSGStudenski Community Solar LLCSauk Rapids, MN2 GWhMar 2021Dec 2024 Solar
Sturgeon GardenSturgeon Garden LLCGoodhue, MN2 GWhNov 2023Dec 2024 Solar
Stuttgart SolarStuttgart Solar, LLCStuttgart, AR155 GWhDec 2017Sep 2025 Solar
Sugar Creek PowerNorthern Indiana Pub Serv CoWest Terre Haute, IN4 TWhMay 2002Sep 2025 Natural Gas
Sugar Creek Wind One LLCSugar Creek Wind One LLCTBD, IL643 GWhOct 2020Sep 2025 Wind
Sullivan B Community Solar LLCSullivan B Community Solar LLCMacomb, IL3 GWhNov 2020Dec 2024 Solar
Sullivan (IL)City of Sullivan - (IL)Sullivan, IL255 MWhMay 1946Sep 2025 Distillate Fuel Oil
Summit LakeCentral Iowa Power CooperativeCreston, IA70 GWhFeb 1951Dec 2024 Natural Gas : 99.9%
SumnerCity of Sumner - (IA)Sumner, IA175 MWhJul 1956Dec 2024 Distillate Fuel Oil
SumpterWolverine Power Supply CoopBelleville, MI190 GWhJun 2002Dec 2024 Natural Gas
Sumpter Energy AssociatesNextEra Renewable Fuels, LLCBelleville, MI63 GWhJun 1992Dec 2024 Landfill Gas
Sumrall II Solar FarmOnward EnergySumrall, MS110 GWhNov 2017Sep 2025 Solar
Sun River LLCCHI Operations IncHendricks, MN4 GWhJan 2001Dec 2024 Wind
SunE Feely 1 CSG, LLCEcoplexus, IncFarmington, MN8 GWhAug 2018Dec 2024 Solar
SunE Stolee CSG, LLCEcoplexus, IncKenyon, MN5 GWhFeb 2018Dec 2024 Solar
Sunflower CountySunflower County Solar Project, LLCRuleville, MS143 GWhAug 2022Sep 2025 Solar
Sunlight Road SolarSunlight Road Solar, LLCFranklinton, LA106 GWhOct 2024Sep 2025 Solar
Sunrise Community SolarSunrise Community SolarNorth Branch, MN8 GWhNov 2016Dec 2024 Solar
Sunset Breeze LLCMidwest Power Partners LLCRushmore, MN2 GWhApr 2006Dec 2024 Wind
Superior FallsNorthern States Power Co - MinnesotaIronwood, MI7 GWhDec 1916Dec 2024 Water
Surbrook Solar, LLCSurbrook Solar, LLCRives Junction, MI3 GWhAug 2024Dec 2024 Solar
SV CSG AFTON ISV CSG Afton I, LLCAfton, MN642 MWhJun 2024Dec 2024 Solar
SV CSG Barrass Farms II LLSV CSG Barrass Farms II LLCMarion, IL4 GWhAug 2023Dec 2024 Solar
Svihel Community Solar LLC CSGSvihel Community Solar LLCFoley, MN2 GWhMar 2021Dec 2024 Solar
Swan GardenSwan Garden LLCVillard, MN2 GWhSep 2021Dec 2024 Solar
Sycamore (IA)MidAmerican Energy CoJohnston, IA10 GWhJul 1974Dec 2024 Natural Gas
Sycamore (WI)Madison Gas & Electric CoMadison, WI19 MWhNov 1967Dec 2024 Natural Gas
Syl LaskinALLETE, Inc.Hoyt Lakes, MN172 GWhMay 1953Dec 2024 Natural Gas
SylvanALLETE, Inc.Pillager, MN11 GWhDec 1912Dec 2024 Water
Sylvan SolarALLETE, Inc.Pillager, MN25 GWhJun 2023Dec 2024 Solar
SylvarenaCooperative EnergyRaleigh, MS294 GWhJun 2003Dec 2024 Natural Gas
Syncarpha Clara City CSG I (Stamer)Clara City CSG I, LLCClara City, MN2 GWhNov 2018Dec 2024 Solar
Syncarpha Dodge 1 CSGSolar Provider Group MN I LLCDodge Center, MN2 GWhApr 2019Dec 2024 Solar
Syncarpha Prinsburg CSG (Ledeboer)Prinsburg CSG I, LLCPrinsburg, MN2 GWhNov 2018Dec 2024 Solar
T B Simon Power PlantMichigan State UniversityEast Lansing, MI250 GWhNov 1965Sep 2025 Natural Gas
T J Labbe Electric GeneratingLafayette Utilities SystemLafayette, LA28 GWhJul 2005Dec 2024 Natural Gas

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