Midcontinent Independent System Operator, Inc.

Balancing Authority Summary Information

Midcontinent Independent System Operator, Inc. is ranked #2 out of 64 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 Jul 2026
Annual Generation 669.4 TWh
Power Plants3,038
Utilities1,345
Ranked #2 out of 64 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 37% Coal | 26.5% Wind | 14.9% Nuclear | 13.9% Solar | 5.7% Water | 1.4% 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 401 to 500 of 2,269
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Story CityCity of Story City - (IA)Story City, IA315 MWhDec 1963Dec 2025 Distillate Fuel Oil : 87.0% Natural Gas : 13.0%
Storm Lake IIALLETE Clean EnergyAlta, IA115 GWhMar 1999Dec 2025 Wind
Storm Lake 1ALLETE Clean EnergyAlta, IA87 GWhApr 1999Dec 2025 Wind
Stoney Corners Wind FarmDTE Sustainable GenerationMcBain, MI125 GWhNov 2009Dec 2025 Wind
Stoneray Power Partners, LLCEDF Renewable Asset Holdings, Inc.Woodstock, MN363 GWhJan 2019May 2026 Wind
Stoneheart Solar, LLCStoneheart Solar, LLCSaginaw, MI4 GWhNov 2020Dec 2025 Solar
Stockton (MN)Altus Power America Management, LLCWinona, MN4 GWhOct 2021Dec 2025 Solar
StilesOconto Electric CooperativeOconto Falls, WI5 GWhFeb 1949Dec 2025 Water
Stewart CSG1, LLCNautilus Solar SolutionsStewart, MN2 GWhJul 2021Dec 2025 Solar
Stevens Point MillPixelle Specialty Solution, LLCStevens Point, WI14 GWhJan 2002Dec 2025 Natural Gas
Stevens PointConsolidated Water Power CoStevens Point, WI26 GWhDec 1917Dec 2025 Water
Stevens Community Solar LLCMadison Energy Holdings LLCFoley, MN2 GWhSep 2020Dec 2025 Solar
Sterlington SolarEntergy Louisiana LLCSterlington, LA37 GWh-May 2026 Solar
Stearns Solar IStearns Solar I LLCAlbany, MN2 GWhAug 2019Dec 2025 Solar
Stearns Community Solar One LLC CSGMadison Energy Holdings LLCAlbany, MN2 GWhNov 2019Dec 2025 Solar
StauntonCypress Creek RenewablesBrazil, IN6 GWhNov 2018Dec 2025 Solar
State FarmState Farm InsuranceBloomington, IL30 MWhSep 1996May 2026 Distillate Fuel Oil
State CenterCity of State Center - (IA)State Center, IA153 MWhJul 1972Dec 2025 Distillate Fuel Oil : 72.4% Natural Gas : 27.6%
Star GardenStar Garden LLCStarbuck, MN2 GWhJan 2020Dec 2025 Solar
Star City School DistrictToday's Power, Inc.Star City, AR2 GWhAug 2021Dec 2025 Solar
Stahl Wind EnergyStahl Wind Energy, LLC (Longroad)Pipestone, MN2 GWhNov 2004Dec 2025 Wind
STAG St. Paul Project CSGSTAG St. Paul Community Solar LLCSaint Paul, MN1 GWhDec 2019Dec 2025 Solar
St. Paul Intl Airport Red & Blue ParkingMetropolitan Airports CommissionSt. Paul, MN2 GWhNov 2015May 2026 Solar
St Paul CogenerationSt Paul Cogeneration LLCSt. Paul, MN75 GWhMar 2003Dec 2025 Wood/Wood Waste Solids : 82.4% Natural Gas : 17.6%
St. Olaf Wind TurbineSt. Olaf CollegeNorthfield, MN2 GWhAug 2006Dec 2025 Wind
St. Olaf StandBy GeneratorsSt. Olaf CollegeNorthfield, MN116 MWhMay 1999Dec 2025 Distillate Fuel Oil
St. Mary Clean Energy CenterCleco Power LLCCenterville, LA181 GWhJul 2019Dec 2025 Waste Heat
St LouisCity of St Louis - (MI)St. Louis, MI8 MWhDec 1918Dec 2025 Distillate Fuel Oil
St. James Solar (LA)St. James Solar, LLCVacherie, LA50 GWhJan 2023Dec 2025 Solar
St JamesCity of St James - (MN)St James, MN93 MWhJun 2002Dec 2025 Distillate Fuel Oil
St Francisville MillHood Container of Louisiana, LLCSt. Francisville, LA110 GWhFeb 1966Dec 2024 Black Liquor : 58.6% Natural Gas : 41.4%
St Croix FallsNorthern States Power Co - MinnesotaSt Croix Falls, WI80 GWhDec 1909Dec 2025 Water
St. Cloud Solar CSGGeronimo PowerSt. Cloud, MN8 GWhMar 2018Dec 2025 Solar
St. Cloud HydroSt. Cloud Hydroelectric Generation FacilitySt Cloud, MN46 GWhMay 1988Dec 2025 Water
St. Clair Solar 5Pivot EnergyLebanon, IL2 GWhJun 2025Dec 2025 Solar
St. Clair Solar 3Pivot EnergyWashington Park, IL4 GWhMay 2024Dec 2025 Solar
St ClairDTE Electric CompanyEast China Twp, MI7 GWhJul 1953May 2026 Distillate Fuel Oil : 52.4% Natural Gas : 47.6%
St. Charles SolarGreen Street Power PartnersSt Charles Township, MN3 GWhAug 2019Dec 2025 Solar
St. Charles Power Station (LA)Entergy Louisiana LLCLa Place, LA5 TWhApr 2019May 2026 Natural Gas
St. Charles Power PlantCity of St Charles - (MN)St. Charles, MN75 MWhNov 2004Dec 2025 Distillate Fuel Oil
St BonifaciusGreat River EnergySt. Bonifacius, MN3 GWhMay 1978Dec 2025 Distillate Fuel Oil
Spruce Ridge Gas RecoveryWM Renewable Energy LLCGlencoe, MN25 GWhMar 2008Dec 2025 Landfill Gas
Springfield Solar (WI)Wisconsin Power & Light CoLomira, WI206 GWhNov 2023May 2026 Solar
Springfield (MN)Springfield Public Utils Comm - (MN)Springfield, MN15 MWhMay 1994Dec 2025 Distillate Fuel Oil
Spring ValleySpring Valley Pub Utils CommSpring Valley, MN227 MWhDec 1951Dec 2025 Distillate Fuel Oil : 82.2% Natural Gas : 17.8%
Spring Prairie Solar WI, LLCWisconsin Electric Power CoBurlington, WI13 GWhNov 2023Dec 2025 Solar
Spring Prairie Solar LLC CSGUnited States Solar CorporationGlyndon, MN2 GWhApr 2024Dec 2025 Solar
Spring Mill Solar RESHoosier Energy R E C, IncMitchell, IN1 GWhAug 2017Dec 2025 Solar
Spring Brook Solar WI, LLCWisconsin Electric Power CoWhitewater, WI630 MWhSep 2025Dec 2025 Solar
Spooner Solar ArrayOnsite Partners, LLCSpooner, WI4 GWhMay 2019Dec 2024 Solar
Split Rail Solar Energy LLCInvenergy Services LLCWarrenton, MO102 GWh-May 2026 Solar
Spiritwood StationGreat River EnergySpiritwood, ND213 GWhOct 2014May 2026 Natural Gas : 58.1% Refined Coal : 41.9%
Spica Community SolarSpica Community SolarLake Lillian, MN3 GWhJul 2017Dec 2025 Solar
Spencer Gas TurbineCity of Spencer - (IA)Spencer, IA86 MWhDec 1969Dec 2025 Kerosene
Speedway Solar, LLCSpeedway Solar, LLCMorrison Town, IN379 GWhMay 2025May 2026 Solar
Spartan PV 1, LLCNJR Clean Energy Ventures CorporationEast Lansing, MI12 GWhNov 2017Dec 2024 Solar
Spartan Hills LLCCHI Operations IncLake Benton, MN5 GWhDec 2000Dec 2024 Wind
Southwestern Bell TelephoneAT&TSt. Louis, MO105 MWhJan 1992Apr 2026 Distillate Fuel Oil
Southside SDEntegrity Solar Southside SD, LLCLittle Rock, AR2 GWhMay 2023Dec 2024 Solar
Southern Minnesota Beet SugarSouthern Minnesota Beet SugarRenville, MN28 GWhAug 1976May 2026 Subbituminous Coal : 70.1% Natural Gas : 29.2% Residual Fuel Oil : 0.6%
Southern Hills Wind FarmMidAmerican Energy CoCreston, IA808 GWhFeb 2021May 2026 Wind
South StrawberryCity of Strawberry Point -(IA)Strawberry Point, IA13 MWhDec 2001Dec 2024 Distillate Fuel Oil
South Plant (IA)Waverly Municipal Elec Utility - (IA)Waverly, IA71 MWhApr 2000Dec 2025 Distillate Fuel Oil
South Oak CreekWisconsin Electric Power CoOak Creek, WI2 TWhNov 1959May 2026 Subbituminous Coal : 99.5%
South GenerationRedwood Falls Public Util CommRedwood Falls, MN281 MWhFeb 2003Dec 2025 Distillate Fuel Oil
South GardenSouth Garden LLCWinstead, MN2 GWhJun 2023Dec 2025 Solar
South Fork Wind FarmSouth Fork Wind, LLCRound Lake, MN54 GWhNov 2016Dec 2025 Wind
South Fond Du LacWisconsin Power & Light CoFond du Lac, WI20 GWhApr 1993Dec 2025 Natural Gas : 99.8%
South Central Electric CooperativeToday's Power, Inc.Arkadelphia, AR2 GWhJul 2019Dec 2025 Solar
South Belleville Solar, LLCDimension Energy LLCSmithton Township, IL385 MWhOct 2025Dec 2025 Solar
Solway CTOtter Tail Power CoSolway, MN143 GWhApr 2003Dec 2025 Natural Gas : 99.5%
Soliloquoy Ridge LLCCHI Operations IncLake Benton, MN5 GWhDec 2000Dec 2024 Wind
SolarClub 35 LLCNautilus Solar SolutionsMankato, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 30 (CSG)Nautilus Solar SolutionsEden Valley, MN2 GWhDec 2023Dec 2025 Solar
SolarClub 28 LLCNautilus Solar SolutionsGaylord, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 23 LLCNautilus Solar SolutionsLa Crescent, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 20 LLCNautilus Solar SolutionsWabasha, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 15 LLCNautilus Solar SolutionsClear Lake, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 10 LLCNautilus Solar SolutionsMonticello, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 03Nautilus Solar SolutionsStarbuck, MN2 GWhAug 2023Dec 2025 Solar
Solar Star Urbana Landfill EastSolar Star Urbana Landfill East, LLCUrbana, IL4 GWhSep 2021Dec 2025 Solar
Solar Star Urbana Landfill CentralSolar Star Urbana Landfill Central, LLCUrbana, IL4 GWhOct 2021Dec 2025 Solar
Sobania Community Solar LLCMadison Energy Holdings LLCClear Lake, MN2 GWhAug 2020Dec 2025 Solar
SMMPA Methane Energy FacilitySouthern Minnesota Mun P AgnyMora, MN3 GWhMar 2012Dec 2025 Landfill Gas
Smithland Hydroelectric PlantAmerican Mun Power-Ohio, IncSmithland, KY421 GWhJun 2017May 2026 Water
Sleepy EyeSleepy Eye Public Utility CommSleepy Eye, MN131 MWhJun 1995Dec 2024 Distillate Fuel Oil
Slayton SolarEcos Energy LLCSlayton, MN2 GWhDec 2012Dec 2025 Solar
Sky VoltSky Volt, LLCGreenfield, IA5 GWhJul 2012Dec 2025 Wind
Skalbeck SolarCascade Solar LLCSacred Heart, MN2 GWhOct 2022Dec 2025 Solar
SIUCSouthern Illinois University CarbondaleCarbondale, IL9 GWhMay 1998May 2026 Bituminous Coal
SiouxUnion Electric Co - (MO)West Alton, MO4 TWhApr 1967May 2026 Subbituminous Coal : 78.0% Bituminous Coal : 21.9%
Silver Lake Solar WI, LLCWisconsin Electric Power CoSalem, WI9 GWhNov 2023Dec 2025 Solar
Silver Lake GardenExcelsior Energy CapitalWaseca, MN2 GWhDec 2020Dec 2025 Solar
Silver CreekCooperative EnergyPrentiss, MS282 GWhMay 2003Dec 2025 Natural Gas
Sigel Wind ParkDTE Electric CompanyHarbor Beach, MI246 GWhNov 2012May 2026 Wind
Siems Solar Project CSGSiems Community Solar LLCMazeppa, MN2 GWhJul 2020Dec 2025 Solar
Sidney A Murray Jr HydroelectricFirst National Bank-CommerceVidalia, LA989 GWhApr 1990Dec 2025 Water
Sibley OneCity of Sibley - (IA)Sibley, IA174 MWhAug 1971Dec 2025 Distillate Fuel Oil : 65.0% Natural Gas : 35.0%
Sibley No TwoCity of Sibley - (IA)Sibley, IA37 MWhNov 1987Dec 2025 Natural Gas : 90.9% Distillate Fuel Oil : 9.1%
Shirley WindDuke Energy Renewables ServicesDenmark, WI57 GWhOct 2010Dec 2025 Wind

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC882.8 TWh2,652
#2Midcontinent Independent System Operator, Inc.669.4 TWh3,038
#3Electric Reliability Council of Texas, Inc.494.1 TWh1,471
#5Southwest Power Pool306.8 TWh856
#6Southern Company Services, Inc. - Trans253.5 TWh422
#7California Independent System Operator169.4 TWh2,135
#9Tennessee Valley Authority163.4 TWh207
#10Florida Power & Light Co.152.2 TWh187
#12New York Independent System Operator134.3 TWh1,299
#13Duke Energy Carolinas112.6 TWh577