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 501 to 600 of 2,269
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Shipsterns Solar, LLCShipsterns Solar, LLCAlbion, MI41 GWhSep 2023Dec 2025 Solar
Sheridan School Corporation SolarJohnson Melloh SolutionsSheridan, IN2 GWhMay 2016Dec 2025 Solar
Sherco Solar IINorthern States Power Co - MinnesotaBecker, MN247 GWhAug 2025May 2026 Solar
Sherco Solar INorthern States Power Co - MinnesotaClear Lake, MN421 GWhSep 2024May 2026 Solar
Sherburne Solar Holdings, LLCREA Investments, LLCPrinceton, MN4 GWhFeb 2021Dec 2025 Solar
Sherburne North Project CSGMadison Energy Investments LLCSt. Cloud, MN8 GWhJun 2018Sep 2025 Solar
Sherburne CountyNorthern States Power Co - MinnesotaBecker, MN6 TWhMar 1976May 2026 Subbituminous Coal : 99.8%
Sherburne Community Solar One LLC CSGMadison Energy Holdings LLCSaint Cloud, MN2 GWhNov 2019Dec 2025 Solar
Sherburne Community SolarOnsite Partners, LLCClear Lake, MN8 GWhFeb 2018May 2026 Solar
Shenandoah Hills Wind FarmMidAmerican Energy CoBlanchard, IA336 GWhNov 2025May 2026 Wind
ShenandoahMidAmerican Energy CoShenandoah, IA323 MWhMar 2000Dec 2025 Distillate Fuel Oil
Shell ChemicalShell Chemical LP - GeismarGeismar, LA585 GWhJul 2002Dec 2025 Natural Gas
Shelby Energy CountyShelby County Energy Center, LLCNeoga, IL184 GWhMay 2000Dec 2025 Natural Gas
Sheboygan FallsWisconsin Power & Light CoSheboygan, WI452 GWhMay 2005Dec 2025 Natural Gas
Shaokatan Hills LLCShaokatan Hills, LLC (Longroad)Hendricks, MN12 GWhJul 1999Dec 2024 Wind
Shane's Wind MachineShane's Wind Machine LLCRuthton, MN7 GWhJun 2006Jan 2025 Wind
Shamrock Solar LLCAltus Power America Management, LLCBlack River Falls, WI6 GWhNov 2021Dec 2025 Solar
Shakopee Met Council WTPOak Leaf Solar V LLCShakopee, MN2 GWhFeb 2016Dec 2025 Solar
Shakopee Energy ParkMinnesota Municipal Power AgnyShakopee, MN57 GWhJan 2017Dec 2025 Natural Gas
Severson GardenSeverson HoldCo LLCWaseca, MN2 GWhSep 2020Dec 2025 Solar
Settlers Trail Wind Farm LLCRWE Clean EnergySheldon, IL320 GWhSep 2011Dec 2025 Wind
SecurityTX LFG Energy, LPCleveland, TX6 GWhFeb 2003Dec 2024 Landfill Gas
Sebree Solar, LLCSebree Solar, LLCRobards, KY329 GWhAug 2025May 2026 Solar
Searcy Water IIEntegrity Solar SWU 2, LLCSearcy, AR4 GWhMay 2021Dec 2024 Solar
Searcy Water IEntegrity Solar SWU, LLCSearcy, AR834 MWhMay 2021Dec 2024 Solar
Searcy Solar HybridSearcy Solar, LLCSearcy, AR178 GWhDec 2021May 2026 Solar
SCS West Fairchild 011958 Danville, LLCArevon Energy, Inc.Danville, IL3 GWhJun 2021Dec 2025 Solar
SCS Galena 012589 Peoria, LLCArevon Energy, Inc.Peoria, IL4 GWhNov 2021Dec 2025 Solar
SCS COUNTY 012631 Champaign, LLCArevon Energy, Inc.Champaign, IL4 GWhAug 2021Dec 2025 Solar
SCS American Bottoms 009885 Sauget, LLCArevon Energy, Inc.Sauget, IL2 GWhJul 2020Dec 2025 Solar
Scottsburg Solar ParkIndiana Municipal Power AgencyScottsburg, IN11 GWhSep 2020Dec 2025 Solar
Scotland Solar RESHoosier Energy R E C, IncNewberry, IN1 GWhOct 2015Dec 2025 Solar
Schwinghamer Project CSGSchwinghamer Community Solar LLCAlbany, MN2 GWhNov 2019Dec 2025 Solar
Schultz CSGMadison Energy Investments LLCWebster, MN3 GWhOct 2018Sep 2025 Solar
Schulte 2 Community SolarSchulte 2 Community SolarLacon, IL4 GWhNov 2020Dec 2025 Solar
Schull CSGSchull CSG LLCMapleton, MN2 GWhOct 2021Dec 2025 Solar
Schueler Community SolarSchueler Community Solar LLCAnnandale, MN2 GWhJul 2020Dec 2025 Solar
School Sisters CSGSchool Sisters CSG LLCMankato, MN2 GWhApr 2018Dec 2025 Solar
Schmidt CSG 1SunVest Solar LLCBelleville, IL4 GWhNov 2024Dec 2025 Solar
ScanlonALLETE, Inc.Scanlon, MN7 GWhDec 1922Dec 2025 Water
Scandia CSGMadison Energy Investments LLCScandia, MN9 GWhDec 2017Sep 2025 Solar
Scandia Community Solar GardenScandia CSG LLCScandia, MN4 GWhJun 2018Dec 2024 Solar
Saxon FallsNorthern States Power Co - MinnesotaSaxon, WI9 GWhDec 1912Dec 2025 Water
Sauk Solar ParkDTE Electric CompanyUnion City, MI228 GWhDec 2024May 2026 Solar
Sauk DPC SolarSoCore Energy LLCWonewoc, WI2 GWhDec 2016Dec 2025 Solar
SAU TechToday's Power, Inc.Bearden, AR2 GWhJun 2019Dec 2025 Solar
Sartell Holdco CSGSartell Holdco LLCSartell, MN8 GWhApr 2019Dec 2025 Solar
Sartell DamEagle Creek Renewable Energy, LLCSartell, MN30 GWhFeb 1985Dec 2025 Water
Saratoga Wind FarmMadison Gas & Electric CoLime Springs, IA260 GWhJan 2019May 2026 Wind
Sappi Cloquet MillSappi Cloquet LLCCloquet, MN461 GWhDec 1928May 2026 Black Liquor : 62.8% Wood/Wood Waste Solids : 17.5% Natural Gas : 15.7% Water : 3.1%
Sapphire Sky Wind Energy LLCInvenergy Services LLCFarmer City, IL957 GWhNov 2021May 2026 Wind
Sandstone RapidsWisconsin Public Service CorpTown of Stephenson, WI10 GWhDec 1924Dec 2025 Water
SandovalSandoval Holdco, LLCCentralia, IL4 GWhFeb 2021Dec 2025 Solar
Sand Lake DPC SolarSoCore Energy LLCCenturia, WI2 GWhOct 2017Dec 2025 Solar
San Jacinto County Peaking FacilityEast Texas Electric Coop, IncShepherd, TX287 GWhJun 2001Dec 2025 Natural Gas
Sam Rayburn DamUSACE-Fort Worth DistrictJasper, TX208 GWhAug 1965Dec 2025 Water
Salt Creek WindSalt Creek Wind, LLCTraer, IA360 GWhNov 2025May 2026 Wind
Salt Creek Township Solar, LLCBirch Creek Power, LLCMason City, IL110 GWhDec 2024May 2026 Solar
Saint Marys Hospital Power PlantSt Mary's HospitalRochester, MN55 GWhDec 1970May 2026 Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Saint Marys FallsUSACE-Detroit DistrictSault Ste. Marie, MI156 GWhJun 1932Dec 2025 Water
Sagitta Community SolarGeronimo PowerClara City, MN2 GWhNov 2018Dec 2024 Solar
Sagamore Plant CogenerationTate & Lyle Ingredients Americas IncLafayette, IN20 GWhSep 1984May 2026 Natural Gas
SAF Hydroelectric LLCSAF Hydroelectric LLCMinneapolis, MN30 GWhNov 2011Dec 2025 Water
Sacred Heart CSG1, LLCNautilus Solar SolutionsSacred Heart, MN2 GWhJul 2021Dec 2025 Solar
Sac County Wind, LLCSac County WindSac City, IA321 GWhNov 2021May 2026 Wind
Sabine River OperationsThe Dow Chemical CompanyOrange, TX3 TWhDec 1947May 2026 Natural Gas : 99.5%
SabineEntergy Texas Inc.Orange, TX4 TWhDec 1961May 2026 Natural Gas
SABIC Innovative Plastics Mt. VernonSABIC IP Mt. Vernon, LLCMount Vernon, IN580 GWhMay 1996May 2026 Natural Gas
S&P Windfarm LLCBrewsterBrewster, MN5 GWhNov 2003Dec 2025 Wind
Ruthton Ridge LLCCHI Operations IncLake Benton, MN5 GWhDec 2000Dec 2024 Wind
Rushford VillageAltus Power America Management, LLCRushford Village, MN2 GWhOct 2021Dec 2025 Solar
Rugby Wind Power ProjectAvangrid Power LLCBarton, ND348 GWhNov 2009Dec 2025 Wind
RS CogenWestlake 2 US LLCLake Charles, LA3 TWhNov 2002May 2026 Natural Gas
Round Grove 2SoCore Energy LLCLyndon, IL5 GWhOct 2021Dec 2025 Solar
Round Grove 1SoCore Energy LLCLyndon, IL4 GWhOct 2021Dec 2025 Solar
Rothschild Biomass Cogen FacilityWisconsin Electric Power CoRothschild, WI166 GWhOct 2013Dec 2025 Wood/Wood Waste Solids : 94.7% Natural Gas : 5.3%
Rosewater Wind FarmRosewater Wind Farm LLCChalmers, IN317 GWhNov 2020May 2026 Wind
Rosemount Community SolarRosemount Community SolarRosemount, MN8 GWhNov 2016Dec 2025 Solar
RosemanRoseman Energy, LLCAnita, IA7 GWhJan 2017Dec 2025 Wind
Roquette AmericaRoquette AmericaKeokuk, IA208 GWhJun 2004May 2026 Natural Gas
Rollingstone Holdco CSGRollingstone Holdco LLCRollingstone, MN8 GWhJul 2019Dec 2025 Solar
Rolling Hills Wind FarmMidAmerican Energy CoMassena, IA2 TWhNov 2011May 2026 Wind
RogersConsumers Energy Co - (MI)Big Rapids, MI21 GWhDec 1921Dec 2025 Water
Roeder Family Wind Farm LLCRWE Clean EnergyManly, IA5 GWhAug 2011Dec 2025 Wind
Rocky Mountain Elk Solar Community SolarRocky Mountain Elk Solar, LLCSheffield, IL108 MWhNov 2025Dec 2025 Solar
Rockville Solar II, LLCCleanCapital HoldingsIndianapolis, IN912 MWhJul 2014Dec 2025 Solar
Rockville Solar I LLCCleanCapital HoldingsIndianapolis, IN2 GWhMar 2014Dec 2025 Solar
RocktonEagle Creek Renewable Energy, LLCRockton, IL6 GWhDec 1928Dec 2025 Water
RockGen Energy CenterDairyland Power CoopCambridge, WI625 GWhMay 2001May 2026 Natural Gas : 98.1% Distillate Fuel Oil : 1.9%
Rockford SolarRockford Solar, LLCRockford, IL4 GWhNov 2021Dec 2025 Solar
Rockford PlantSoCore Energy LLCRockford, IL3 GWhNov 2024Dec 2025 Solar
Rockford CS 2Rockford CS 2, LLCRockford, IL4 GWhMar 2021Dec 2025 Solar
Rockford CS 1Rockford CS 1, LLCRockford, IL4 GWhMar 2021Dec 2025 Solar
RockfordCity of Rockford- (IA)Rockford, IA6 MWhJul 1951Dec 2025 Distillate Fuel Oil
Rock LakeSolar WI, LLCWisconsin Electric Power CoWaterloo, WI318 MWhOct 2025Dec 2025 Solar
Rock Lake CTGreat River EnergyPine City, MN449 MWhMar 1978Dec 2025 Distillate Fuel Oil
Rock County Wind Fuel, LLCRock County Wind Fuel, LLCLuverne, MN17 GWhApr 2020Dec 2025 Wind
Rock County Customer Hosted SolarWisconsin Power & Light CoJanesville, WI2 GWhMar 2025Dec 2025 Solar
Rock Aetna Power PartnersNorthern States Power Co - MinnesotaWoodstock, MN84 GWhNov 2022Dec 2025 Wind
Rochester HydroRochester Public UtilitiesMazeppa, MN22 GWhAug 1984Dec 2025 Water

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