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 Oct 2026
Annual Generation 677.7 TWh
Power Plants3,095
Utilities1,372
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 | 37.1% Coal | 26.2% Wind | 15% Nuclear | 13.8% Solar | 6.1% Water | 1.4% Other Fuel | 0.5%

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 1,801 to 1,900 of 2,294
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
SIUCSouthern Illinois University CarbondaleCarbondale, IL9 GWhMay 1998Jul 2026 Bituminous Coal
Skalbeck SolarCascade Solar LLCSacred Heart, MN2 GWhOct 2022Dec 2025 Solar
Sky VoltSky Volt, LLCGreenfield, IA5 GWhJul 2012Dec 2025 Wind
SkylineSunStrong Management, LLCTaylorville, IL8 GWhOct 2024Dec 2025 Solar
Slayton SolarEcos Energy LLCSlayton, MN2 GWhDec 2012Dec 2025 Solar
Sleepy EyeSleepy Eye Public Utility CommSleepy Eye, MN42 MWhJun 1995Dec 2025 Distillate Fuel Oil
Smithland Hydroelectric PlantAmerican Mun Power-Ohio, IncSmithland, KY428 GWhJun 2017Jul 2026 Water
SMMPA Methane Energy FacilitySouthern Minnesota Mun P AgnyMora, MN3 GWhMar 2012Dec 2025 Landfill Gas
Sobania Community Solar LLCMadison Energy Holdings LLCClear Lake, MN2 GWhAug 2020Dec 2025 Solar
Solar Star Urbana Landfill CentralSolar Star Urbana Landfill Central, LLCUrbana, IL4 GWhOct 2021Dec 2025 Solar
Solar Star Urbana Landfill EastSolar Star Urbana Landfill East, LLCUrbana, IL4 GWhSep 2021Dec 2025 Solar
SolarClub 03Nautilus Solar SolutionsStarbuck, MN2 GWhAug 2023Dec 2025 Solar
SolarClub 10 LLCNautilus Solar SolutionsMonticello, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 15 LLCNautilus Solar SolutionsClear Lake, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 20 LLCNautilus Solar SolutionsWabasha, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 23 LLCNautilus Solar SolutionsLa Crescent, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 28 LLCNautilus Solar SolutionsGaylord, MN2 GWhNov 2020Dec 2025 Solar
SolarClub 30 (CSG)Nautilus Solar SolutionsEden Valley, MN2 GWhDec 2023Dec 2025 Solar
SolarClub 35 LLCNautilus Solar SolutionsMankato, MN2 GWhNov 2020Dec 2025 Solar
Soliloquoy Ridge LLCCHI Operations IncLake Benton, MN5 GWhDec 2000Dec 2024 Wind
Solway CTOtter Tail Power CoSolway, MN143 GWhApr 2003Dec 2025 Natural Gas : 99.5%
South Belleville Solar, LLCDimension Energy LLCSmithton Township, IL385 MWhOct 2025Dec 2025 Solar
South Central Electric CooperativeToday's Power, Inc.Arkadelphia, AR2 GWhJul 2019Dec 2025 Solar
South Fond Du LacWisconsin Power & Light CoFond du Lac, WI20 GWhApr 1993Dec 2025 Natural Gas : 99.8%
South Fork Wind FarmSouth Fork Wind, LLCRound Lake, MN54 GWhNov 2016Dec 2025 Wind
South GardenSouth Garden LLCWinstead, MN2 GWhJun 2023Dec 2025 Solar
South GenerationRedwood Falls Public Util CommRedwood Falls, MN281 MWhFeb 2003Dec 2025 Distillate Fuel Oil
South Oak CreekWisconsin Electric Power CoOak Creek, WI2 TWhNov 1959Jul 2026 Subbituminous Coal : 99.5%
South Plant (IA)Waverly Municipal Elec Utility - (IA)Waverly, IA71 MWhApr 2000Dec 2025 Distillate Fuel Oil
South StrawberryCity of Strawberry Point -(IA)Strawberry Point, IA16 MWhDec 2001Dec 2025 Distillate Fuel Oil
Southern Hills Wind FarmMidAmerican Energy CoCreston, IA809 GWhFeb 2021Jul 2026 Wind
Southern Minnesota Beet SugarSouthern Minnesota Beet SugarRenville, MN28 GWhAug 1976May 2026 Subbituminous Coal : 70.1% Natural Gas : 29.2% Residual Fuel Oil : 0.6%
Southside SDEntegrity Solar Southside SD, LLCLittle Rock, AR2 GWhMay 2023Dec 2025 Solar
Southwestern Bell TelephoneAT&TSt. Louis, MO58 MWhJan 1992Jul 2026 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 2025 Solar
Speedway Solar, LLCSpeedway Solar, LLCMorrison Town, IN388 GWhMay 2025Jul 2026 Solar
Spencer Gas TurbineCity of Spencer - (IA)Spencer, IA86 MWhDec 1969Dec 2025 Kerosene
Spica Community SolarSpica Community SolarLake Lillian, MN3 GWhJul 2017Dec 2025 Solar
Spiritwood StationGreat River EnergySpiritwood, ND263 GWhOct 2014Jul 2026 Natural Gas : 60.6% Refined Coal : 39.4%
Split Rail Solar Energy LLCInvenergy Services LLCWarrenton, MO171 GWh-Jun 2026 Solar
Spooner Solar ArrayOnsite Partners, LLCSpooner, WI3 GWhMay 2019Dec 2025 Solar
Spring Brook Solar WI, LLCWisconsin Electric Power CoWhitewater, WI630 MWhSep 2025Dec 2025 Solar
Spring Mill Solar RESHoosier Energy R E C, IncMitchell, IN1 GWhAug 2017Dec 2025 Solar
Spring Prairie Solar LLC CSGUnited States Solar CorporationGlyndon, MN2 GWhApr 2024Dec 2025 Solar
Spring Prairie Solar WI, LLCWisconsin Electric Power CoBurlington, WI13 GWhNov 2023Dec 2025 Solar
Spring ValleySpring Valley Pub Utils CommSpring Valley, MN227 MWhDec 1951Dec 2025 Distillate Fuel Oil : 82.2% Natural Gas : 17.8%
Springfield (MN)Springfield Public Utils Comm - (MN)Springfield, MN15 MWhMay 1994Dec 2025 Distillate Fuel Oil
Springfield Solar (WI)Wisconsin Power & Light CoLomira, WI208 GWhNov 2023Jul 2026 Solar
Spruce Ridge Gas RecoveryWM Renewable Energy LLCGlencoe, MN25 GWhMar 2008Dec 2025 Landfill Gas
St BonifaciusGreat River EnergySt. Bonifacius, MN3 GWhMay 1978Sep 2025 Distillate Fuel Oil
St. Charles Power PlantCity of St Charles - (MN)St. Charles, MN75 MWhNov 2004Dec 2025 Distillate Fuel Oil
St. Charles Power Station (LA)Entergy Louisiana LLCLa Place, LA5 TWhApr 2019Jul 2026 Natural Gas
St. Charles SolarGreen Street Power PartnersSt Charles Township, MN3 GWhAug 2019Dec 2025 Solar
St ClairDTE Electric CompanyEast China Twp, MI7 GWhJul 1953Jul 2026 Distillate Fuel Oil : 51.3% Natural Gas : 48.7%
St. Clair Solar 3Pivot EnergyWashington Park, IL4 GWhMay 2024Dec 2025 Solar
St. Clair Solar 5Pivot EnergyLebanon, IL2 GWhJun 2025Dec 2025 Solar
St. Cloud HydroSt. Cloud Hydroelectric Generation FacilitySt Cloud, MN46 GWhMay 1988Dec 2025 Water
St. Cloud Solar CSGGeronimo PowerSt. Cloud, MN8 GWhMar 2018Dec 2025 Solar
St Croix FallsNorthern States Power Co - MinnesotaSt Croix Falls, WI80 GWhDec 1909Dec 2025 Water
St Francisville MillHood Container of Louisiana, LLCSt. Francisville, LA116 GWhFeb 1966Dec 2025 Black Liquor : 60.5% Natural Gas : 39.5%
St JamesCity of St James - (MN)St James, MN93 MWhJun 2002Dec 2025 Distillate Fuel Oil
St. James Solar (LA)St. James Solar, LLCVacherie, LA50 GWhJan 2023Dec 2025 Solar
St LouisCity of St Louis - (MI)St. Louis, MI8 MWhDec 1918Dec 2025 Distillate Fuel Oil
St. Mary Clean Energy CenterCleco Power LLCCenterville, LA181 GWhJul 2019Dec 2025 Waste Heat
St. Olaf StandBy GeneratorsSt. Olaf CollegeNorthfield, MN116 MWhMay 1999Dec 2025 Distillate Fuel Oil
St. Olaf Wind TurbineSt. Olaf CollegeNorthfield, MN2 GWhAug 2006Dec 2025 Wind
St Paul CogenerationSt Paul Cogeneration LLCSt. Paul, MN75 GWhMar 2003Dec 2025 Wood/Wood Waste Solids : 82.4% Natural Gas : 17.6%
St. Paul Intl Airport Red & Blue ParkingMetropolitan Airports CommissionSt. Paul, MN2 GWhNov 2015Jun 2026 Solar
STAG St. Paul Project CSGSTAG St. Paul Community Solar LLCSaint Paul, MN1 GWhDec 2019Dec 2025 Solar
Stahl Wind EnergyStahl Wind Energy, LLC (Longroad)Pipestone, MN2 GWhNov 2004Dec 2025 Wind
Star City School DistrictToday's Power, Inc.Star City, AR2 GWhAug 2021Dec 2025 Solar
Star GardenStar Garden LLCStarbuck, MN2 GWhJan 2020Dec 2025 Solar
State CenterCity of State Center - (IA)State Center, IA153 MWhJul 1972Dec 2025 Distillate Fuel Oil : 72.4% Natural Gas : 27.6%
State FarmState Farm InsuranceBloomington, IL30 MWhSep 1996Jul 2026 Distillate Fuel Oil
StauntonCypress Creek RenewablesBrazil, IN6 GWhNov 2018Dec 2025 Solar
Stearns Community Solar One LLC CSGMadison Energy Holdings LLCAlbany, MN2 GWhNov 2019Dec 2025 Solar
Stearns Solar IStearns Solar I LLCAlbany, MN2 GWhAug 2019Dec 2025 Solar
Sterlington SolarEntergy Louisiana LLCSterlington, LA60 GWh-Jul 2026 Solar
Stevens Community Solar LLCMadison Energy Holdings LLCFoley, MN2 GWhSep 2020Dec 2025 Solar
Stevens PointConsolidated Water Power CoStevens Point, WI26 GWhDec 1917Dec 2025 Water
Stevens Point MillPixelle Specialty Solution, LLCStevens Point, WI14 GWhJan 2002Dec 2025 Natural Gas
Stewart CSG1, LLCNautilus Solar SolutionsStewart, MN2 GWhJul 2021Dec 2025 Solar
StilesOconto Electric CooperativeOconto Falls, WI5 GWhFeb 1949Dec 2025 Water
Stockton (MN)Altus Power America Management, LLCWinona, MN4 GWhOct 2021Dec 2025 Solar
Stoneheart Solar, LLCStoneheart Solar, LLCSaginaw, MI4 GWhNov 2020Dec 2025 Solar
Stoneray Power Partners, LLCEDF Renewable Asset Holdings, Inc.Woodstock, MN358 GWhJan 2019Jul 2026 Wind
Stoney Corners Wind FarmDTE Sustainable GenerationMcBain, MI125 GWhNov 2009Dec 2025 Wind
Storm Lake 1ALLETE Clean EnergyAlta, IA87 GWhApr 1999Dec 2025 Wind
Storm Lake IIALLETE Clean EnergyAlta, IA115 GWhMar 1999Dec 2025 Wind
Story CityCity of Story City - (IA)Story City, IA315 MWhDec 1963Dec 2025 Distillate Fuel Oil : 87.0% Natural Gas : 13.0%
Story City Wind ProjectHamilton Wind Energy LLCStory City, IA5 GWhSep 2010Dec 2025 Wind
Straight Garden SolarStraight Garden LLCFaribault, MN2 GWhFeb 2020Dec 2025 Solar
Strandness GardenStrandness Garden LLCStarbuck, MN2 GWhJan 2020Dec 2025 Solar
Strawberry Point DPC SolarSoCore Energy LLCStrawberry Point, IA2 GWhOct 2017Dec 2025 Solar
Streeter StationCedar Falls UtilitiesCedar Falls, IA14 GWhAug 1963Dec 2025 Natural Gas : 96.4% Bituminous Coal : 3.6%
Strix SolarMadison Gas & Electric CoFitchburg, WI9 GWhDec 2024Dec 2025 Solar
StrobusAltus Power America Management, LLCMerrillan, WI3 GWhAug 2021Dec 2025 Solar
Stromland SolarAltus Power America Management, LLCCochrane, WI5 GWhNov 2021Dec 2025 Solar
Studenski Community Solar LLC CSGStudenski Community Solar LLCSauk Rapids, MN2 GWhMar 2021Dec 2025 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC890.9 TWh2,806
#2Midcontinent Independent System Operator, Inc.677.7 TWh3,095
#3Electric Reliability Council of Texas, Inc.506.3 TWh1,487
#5Southwest Power Pool314.5 TWh876
#6Southern Company Services, Inc. - Trans259.3 TWh423
#7California Independent System Operator168.7 TWh2,170
#9Tennessee Valley Authority166.2 TWh209
#10Florida Power & Light Co.153.0 TWh188
#12New York Independent System Operator134.1 TWh1,334
#13Duke Energy Carolinas113.4 TWh578