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 1,501 to 1,600 of 2,269
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
ViolaOneEnergy, Inc.Webster, WI65 MWhNov 2025Dec 2025 Solar
Next GenerationOneEnergy, Inc.Woodville, WI331 MWhSep 2025Dec 2025 Solar
Bancroft (MN)OneEnergy, Inc.Albert Lea, MN589 MWhSep 2025Dec 2025 Solar
Bridge CreekOneEnergy, Inc.Augusta, WI258 MWhOct 2025Dec 2025 Solar
Bright FutureOneEnergy, Inc.Hammond, WI361 MWhSep 2025Dec 2025 Solar
Elk Mound (PV)OneEnergy, Inc.Elk Mound, WI653 MWhAug 2025Dec 2025 Solar
Grand Meadow (PV)OneEnergy, Inc.Grand Meadow, MN425 MWhOct 2025Dec 2025 Solar
GreenfieldOneEnergy, Inc.Coon Valley, WI200 MWhOct 2025Dec 2025 Solar
HannibalOneEnergy, Inc.Gillman, WI378 MWhSep 2025Dec 2025 Solar
LuckOneEnergy, Inc.Luck, WI85 MWhNov 2025Dec 2025 Solar
Little CedarOneEnergy, Inc.Little Cedar, IA65 MWhNov 2025Dec 2025 Solar
Spooner Solar ArrayOnsite Partners, LLCSpooner, WI4 GWhMay 2019Dec 2024 Solar
Brainerd AirportOnsite Partners, LLCBrainerd, MN10 GWhNov 2022Dec 2024 Solar
Barron Solar ArrayOnsite Partners, LLCBarron, WI6 GWhJul 2021Dec 2025 Solar
Rice Lake Solar ArrayOnsite Partners, LLCRice Lake, WI7 GWhMay 2019Dec 2025 Solar
Porter Way Community Solar GardenOnsite Partners, LLCWaconia, MN5 GWhJan 2018May 2026 Solar
Bloomfield Municipal Utilities SolarOnsite Partners, LLCBloomfield, IA2 GWhMar 2019Dec 2024 Solar
Sherburne Community SolarOnsite Partners, LLCClear Lake, MN8 GWhFeb 2018May 2026 Solar
Lady Slipper Solar Array CSGOnsite Partners, LLCRed Wing, MN7 GWhSep 2019Dec 2025 Solar
Galesburg Solar ArrayOnsite Partners, LLCOquawka, IL3 GWhFeb 2020Dec 2024 Solar
Indy Solar I, LLCOnward EnergyIndianapolis, IN15 GWhNov 2013May 2026 Solar
Indy Solar II, LLCOnward EnergyIndianapolis, IN15 GWhNov 2013May 2026 Solar
Indy Solar III, LLCOnward EnergyIndianapolis, IN13 GWhNov 2013May 2026 Solar
Sumrall II Solar FarmOnward EnergySumrall, MS109 GWhNov 2017May 2026 Solar
Fort Polk (fka Johnson) - Chaffee WestOnyx Asset Services GroupFort Polk North, LA750 MWhOct 2025Dec 2025 Solar
Marathon Petroleum - Robinson RefineryOnyx Asset Services GroupRobinson, IL5 GWhMay 2025Dec 2025 Solar
Toyota BoshokuOnyx Asset Services GroupLawrenceville, IL5 GWhApr 2025Dec 2025 Solar
Fort Polk (fka Johnson) - Chaffee EastOnyx Asset Services GroupFort Polk North, LA644 MWhOct 2025Dec 2025 Solar
WheatlandOrigis Energy USA, IncWheatland, IN107 GWh-May 2026 Solar
Orion Community SolarOrion Community SolarSt. Joseph, MN4 GWhDec 2016Dec 2025 Solar
Benton County Wind FarmOrion Energy Group LLCEarl Park, IN343 GWhApr 2008Dec 2025 Wind
Ivanhoe Generation FacilityOrion Engineered CarbonsFranklin, LA72 GWhMar 2023Dec 2025 Waste Heat
OREG 3 IncOrmat Nevada IncTrimont, MN43 GWhJul 2010May 2026 Waste Heat
Osceola Windpower IIOsceola Windpower IIHarris, IA191 GWhAug 2008May 2026 Wind
Otsego Mill Power PlantOtsego Paper IncOtsego, MI163 GWhOct 1995Dec 2025 Natural Gas
Otter Creek Ethanol Poet - AshtonOtter Creek Ethanol LLC - Poet AshtonAshton, IA45 GWhFeb 2004May 2026 Natural Gas
Astoria StationOtter Tail Power CoAstoria, SD530 GWhMar 2021May 2026 Natural Gas
Hoot Lake SolarOtter Tail Power CoFergus Falls, MN71 GWhJul 2023May 2026 Solar
Ashtabula Wind III LLCOtter Tail Power CoLuverne, ND120 GWhNov 2010Dec 2025 Wind
JamestownOtter Tail Power CoJamestown, ND1 GWhApr 1976Dec 2025 Distillate Fuel Oil
Solway CTOtter Tail Power CoSolway, MN143 GWhApr 2003Dec 2025 Natural Gas : 99.5%
Hoot LakeOtter Tail Power CoFergus Falls, MN4 GWhAug 1914Dec 2025 Water
CoyoteOtter Tail Power CoBeulah, ND3 TWhApr 1981May 2026 Lignite Coal : 99.8%
Lake PrestonOtter Tail Power CoLake Preston, SD135 MWhMay 1978Dec 2025 Distillate Fuel Oil
Big StoneOtter Tail Power CoBig Stone City, SD2 TWhApr 1975May 2026 Subbituminous Coal : 99.8%
Merricourt Wind Energy CenterOtter Tail Power CoKulm, ND562 GWhNov 2020May 2026 Wind
Langdon Wind Energy CenterOtter Tail Power CoLangdon, ND173 GWhNov 2007Dec 2025 Wind
Ashtabula Wind Energy CenterOtter Tail Power CoLuverne, ND89 GWhSep 2008Dec 2025 Wind
Luverne Wind Energy CenterOtter Tail Power CoLuverne, ND151 GWhAug 2009Dec 2025 Wind
DeRidder MillPackaging Corporation of AmericaDeRidder, LA405 GWhSep 1969Dec 2025 Black Liquor : 44.6% Wood/Wood Waste Solids : 37.8% Natural Gas : 17.6%
Palmer Community Solar LLC CSGPalmer Community Solar LLCNorth Branch, MN2 GWhJul 2021Dec 2025 Solar
Paynesville Community SolarPaynesville Community SolarPaynesville, MN8 GWhNov 2016Dec 2025 Solar
Packaging of America Tomahawk MillPCA-Tomahawk MillTomahawk, WI113 GWhDec 1919Dec 2025 Wood/Wood Waste Solids : 35.4% Natural Gas : 35.0% Black Liquor : 18.0% Water : 11.0% Other Biomass Solids : 0.6%
PCA, Filer City MillPCA, Filer City MillFiler City, MI92 GWhDec 1949May 2026 Natural Gas
Pearl River Solar Park LLCPearl River Solar Park, LLCMorton, MS428 GWhJun 2024May 2026 Solar
Pegasus Community SolarPegasus Community SolarBrooten, MN3 GWhJul 2017Dec 2025 Solar
Pegasus WindPegasus Wind, LLCReese, MI378 GWhNov 2019May 2026 Wind
Pepin GardenPepin Garden LLCKellogg, MN2 GWhOct 2023Dec 2025 Solar
Petersburg Energy CenterPetersburg Energy Center, LLCPetersburg, IN122 GWh-May 2026 Solar
Pheasant Run Wind LLCPheasant Run Wind LLCPigeon, MI246 GWhNov 2013May 2026 Wind
Phoenix Solar South Farms LLC Solar FarmPhoenix Solar South Farms LLCChampaign, IL6 GWhNov 2015May 2026 Solar
Pine Bluff Energy CenterPine Bluff Energy LLCPine Bluff, AR943 GWhJul 2001May 2026 Natural Gas
Pine Island Solar CSGPine Island Holdco, LLCPine Island, MN6 GWhJan 2017Dec 2025 Solar
Pioneer Prairie Wind FarmPioneer Prairie Wind Farm I, LLCMcIntire, IA845 GWhSep 2008May 2026 Wind
Marion Solar 4b LLCPivot EnergySandoval, IL4 GWhApr 2024Dec 2025 Solar
Edgar Solar 1Pivot EnergyParis, IL5 GWhFeb 2025Dec 2025 Solar
LaSalle Solar 1Pivot EnergyRansom, IL2 GWhApr 2025Dec 2025 Solar
Kankakee Solar 1Pivot EnergyBourbonnais, IL4 GWhApr 2024Dec 2025 Solar
Clinton Solar 4bPivot EnergyCarlyle, IL2 GWhMay 2025Dec 2025 Solar
Marion Solar 2Pivot EnergySandoval, IL2 GWhDec 2024Dec 2025 Solar
Clinton Solar 2bPivot EnergyCentralia, IL4 GWhOct 2024Dec 2025 Solar
St. Clair Solar 5Pivot EnergyLebanon, IL2 GWhJun 2025Dec 2025 Solar
Bureau Solar 1Pivot EnergyPrinceton, IL2 GWhAug 2025Dec 2025 Solar
LaSalle Solar 6Pivot EnergyOttawa, IL582 MWhOct 2025Dec 2025 Solar
Peoria Solar 3Pivot EnergyDunlap, IL219 MWhNov 2025Dec 2025 Solar
Pivot Energy Minnesota Solar 10Pivot EnergyGreenwald, MN1 GWhMay 2023Dec 2025 Solar
Clinton Solar 2Pivot EnergyCentralia, IL4 GWhDec 2024Dec 2025 Solar
Pivot Energy Minnesota Solar 1Pivot EnergyClinton Falls, MN2 GWhMay 2023Dec 2025 Solar
Putnam Solar 1Pivot EnergyGranville, IL4 GWhApr 2024Dec 2025 Solar
Kankakee Solar 3Pivot EnergyManteno, IL3 GWhOct 2024Dec 2025 Solar
St. Clair Solar 3Pivot EnergyWashington Park, IL4 GWhMay 2024Dec 2025 Solar
Putnam Solar 1BPivot EnergyGranville, IL4 GWhMay 2024Dec 2025 Solar
Stevens Point MillPixelle Specialty Solution, LLCStevens Point, WI14 GWhJan 2002Dec 2025 Natural Gas
Port Allen (LA)Placid Refining Co LLCPort Allen, LA50 GWhApr 1990Dec 2025 Natural Gas
Pleasantville Solar ParkPleasantville Solar Park LLCIpava, IL179 GWhOct 2025May 2026 Solar
Poet Bioprocessing EmmetsburgPoet Bioprocessing EmmetsburgEmmetsburg, IA18 GWhNov 2023Dec 2025 Natural Gas : 84.7% Other Biomass Solids : 15.3%
POET Biorefining - GowriePOET Biorefining - GowrieGowrie, IA2 GWhOct 2018Dec 2025 Natural Gas
POET Biorefining - HudsonPOET Biorefining - HudsonHudson, SD11 GWhApr 2019Dec 2025 Natural Gas
POET Biorefining - JewellPOET Biorefining - JewellJewell, IA11 GWhFeb 2019Dec 2025 Natural Gas
POET Biorefining - North Manchester, LLCPOET Biorefining - North Manchester, LLCNorth Manchester, IN17 GWhMay 2017Dec 2025 Natural Gas
POET Biorefining Caro, LLCPOET Biorefining Caro, LLCCaro, MI13 GWhMay 2018Dec 2025 Natural Gas
POET Biorefining Lake CrystalPOET Biorefining Lake CrystalLake Crystal, MN7 GWhMar 2005May 2026 Natural Gas : 81.1% Distillate Fuel Oil : 18.9%
POET Biorefining LLC - CorningPOET Biorefining LLC - CorningCorning, IA14 GWhSep 2018Dec 2025 Natural Gas
POET Biorefining - ChancellorPOET Biorefining- ChancellorChancellor, SD28 GWhJul 2018Dec 2025 Wood/Wood Waste Solids : 70.4% Natural Gas : 25.9% Landfill Gas : 3.8%
POET Biorefining - ShelbyvillePOET Biorefining- ShelbyvilleShelbyville, IN34 GWhMay 2020Dec 2025 Natural Gas
POET Biorefining-Hanlontown, LLCPOET Biorefining-Hanlontown, LLCHanlontown, IA13 GWhDec 2018Dec 2025 Natural Gas
Point Beach SolarPoint Beach SolarTwo Creeks, WI198 GWhAug 2021May 2026 Solar
Portage Solar PlantPortage Solar PlantPortage, WI21 GWhMay 2023Dec 2025 Solar
Prairie Mist SolarPrairie Mist Solar Project, LLCMontrose, AR228 GWhAug 2024May 2026 Solar
AlseyPrairie Power, IncAlsey, IL35 GWhMay 1999Dec 2025 Natural Gas : 99.8%

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