2. Balancing Authorities
  3. Midcontinent Independent System Operator, Inc.

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 Jan 2026
Annual Generation 656.9 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 | 35.4% Coal | 28.9% Wind | 15.1% Nuclear | 14% Solar | 4.6% 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 to 100 of 2,139
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Indiana Crossroads Wind Farm IIIndiana Crossroads Wind Farm II LLCWolcott, IN585 GWhNov 2024Oct 2025 Wind
Paris SolarWisconsin Electric Power CoUnion Grove, WI279 GWhNov 2024Oct 2025 Solar
Auburn Solar WI, LLCWisconsin Electric Power CoCampbellsport, WI80 MWhNov 2024Dec 2024 Solar
Coffeen Solar BESSVistra CorpCoffeen, IL80 GWhNov 2024Oct 2025 Solar
Twin Lakes Solar LLCTwin Lakes Solar LLCMonticello, IN322 GWhNov 2024Oct 2025 Solar
Louise SolarNational Grid RenewablesTaopi, MN89 GWhNov 2024Oct 2025 Solar
Fillmore County Solar ProjectNational Grid RenewablesSpring Valley, MN79 GWhNov 2024Oct 2025 Solar
Pleasant Creek Unit 2Interstate Power and Light CoPalo, IA256 GWhNov 2024Oct 2025 Solar
Marshall Solar Plus LLCWestern Minnesota Mun Pwr AgnyMarshall, MN539 MWhNov 2024Dec 2024 Solar
Boomtown Renewable Energy CenterUnion Electric Co - (MO)Carmi, IL271 GWhNov 2024Oct 2025 Solar
Baldwin Solar BESSVistra CorpBaldwin, IL132 GWhNov 2024Oct 2025 Solar
Cass County Renewable Energy CenterUnion Electric Co - (MO)Beardstown, IL303 GWhNov 2024Oct 2025 Solar
Lake HallieStandard SolarChippewa Falls, WI1 MWhNov 2024Dec 2024 Solar
LaFayette Solar WI, LLCWisconsin Electric Power CoElkhorn, WI15 MWhNov 2024Dec 2024 Solar
Novel Milbradt Solar LLCNovel Milbradt Solar HQ LLCBelview, MN16 MWhNov 2024Dec 2024 Solar
West Memphis Solar StationEntergy Arkansas LLCCrawfordsville, AR330 GWhNov 2024Oct 2025 Solar
Blue Bird Solar, LLCBlue Bird Solar, LLCWarrenton, MO247 GWhNov 2024Oct 2025 Solar
NLRED 2MWToday's Power, Inc.North Little Rock, AR80 MWhNov 2024Dec 2024 Solar
Novel Froehle Solar LLCNovel Froehle Solar HQ LLCCold Spring, MN15 MWhNov 2024Dec 2024 Solar
Huck Finn Renewable Energy CenterUnion Electric Co - (MO)Vandalia, MO385 GWhNov 2024Oct 2025 Solar
Hackbarth Solar WI, LLCWisconsin Electric Power CoFort Atkinson, WI30 MWhNov 2024Dec 2024 Solar
Morey RoadGreenbacker Renewable Energy CorporationLake City, MI71 MWhOct 2024Dec 2024 Solar
Driver SolarEntergy Arkansas LLCOsceola, AR363 GWhOct 2024Oct 2025 Solar
Kankakee Solar 3Pivot EnergyManteno, IL107 MWhOct 2024Dec 2024 Solar
Maple FlatsInvenergy Services LLCLouisville, IL469 GWhOct 2024Oct 2025 Solar
Clinton Solar 2bPivot EnergyCentralia, IL81 MWhOct 2024Dec 2024 Solar
Wolf Run SolarWolf Run Solar LLCChapin, IL311 GWhOct 2024Oct 2025 Solar
Bayou Galion Solar ProjectBayou Galion Solar Project, LLCMer Rouge, LA230 GWhOct 2024Oct 2025 Solar
Prairie Ronde Solar FarmLightsource Renewable Energy Asset Management, LLCOpelousas, LA259 GWhOct 2024Oct 2025 Solar
Antigo-Forrest Street Solar ProjectWisconsin Public Service CorpAntigo, WI279 MWhOct 2024Dec 2024 Solar
Wever Solar (150MW)Interstate Power and Light CoWever, IA255 GWhOct 2024Oct 2025 Solar
Double Back DiamondDouble Back Diamond Solar Power, LLCVirden, IL933 GWhOct 2024Oct 2025 Solar
Ragsdale Solar LLCRagsdale Solar, LLCCanton, MS233 GWhOct 2024Oct 2025 Solar
Sunlight Road SolarSunlight Road Solar, LLCFranklinton, LA116 GWhOct 2024Oct 2025 Solar
Creston Solar (50 MW)Interstate Power and Light CoCreston, IA96 GWhSep 2024Oct 2025 Solar
Woodruff County SolarArkansas Electric Coop CorpAugusta, AR211 GWhSep 2024Oct 2025 Solar
Kimmel Road Solar, LLCBirch Creek Power, LLCDu Quoin, IL102 GWhSep 2024Oct 2025 Solar
Sherco Solar INorthern States Power Co - MinnesotaClear Lake, MN422 GWhSep 2024Oct 2025 Solar
River Fork Solar, LLCRiver Fork Solar, LLCAlbion, MI289 GWhSep 2024Oct 2025 Solar
Crossett SolarCubico USA, LLCCrossett, AR208 GWhAug 2024Oct 2025 Solar
Hickory SolarHickory Solar LLCJerseyville, IL249 GWhAug 2024Oct 2025 Solar
Walnut Bend Solar Station PVWalnut Bend Solar StationMoro, AR213 GWhAug 2024Oct 2025 Solar
Liberty County Solar ProjectLiberty County Solar Project, LLCDayton, TX245 GWhAug 2024Oct 2025 Solar
Surbrook Solar, LLCSurbrook Solar, LLCRives Junction, MI3 GWhAug 2024Dec 2024 Solar
BreezewoodCypress Creek RenewablesBloomington, IL732 MWhAug 2024Dec 2024 Solar
Prairie Mist SolarPrairie Mist Solar Project, LLCMontrose, AR228 GWhAug 2024Oct 2025 Solar
Prescott Wind FarmPrescott Wind Energy LLCPrescott, IA142 GWhAug 2024Oct 2025 Wind
Preston Garden (CSG)Preston Garden LLCFranklin, MN785 MWhJul 2024Dec 2024 Solar
Elizabeth Solar PlantHorus Louisiana 1, LLCPitkin, LA276 GWhJul 2024Oct 2025 Solar
Altona Solar, LLCBirch Creek Power, LLCCentralia, MO64 GWhJul 2024Oct 2025 Solar
Harvest Gold SolarHarvest Gold Solar Power, LLCIndianola, MS183 GWhJul 2024Oct 2025 Solar
MN East Regal LLC (CSG)United States Solar CorporationPaynesville, MN179 MWhJul 2024Dec 2024 Solar
Veolia (Gum Springs)Today's Power, Inc.Arkadelphia, AR3 GWhJul 2024Dec 2024 Solar
USS Slayton Solar LLC (CSG)United States Solar CorporationSlayton, MN627 MWhJul 2024Dec 2024 Solar
USS Rosewood Solar LLC (CSG)United States Solar CorporationMontevideo, MN544 MWhJul 2024Dec 2024 Solar
LedgeviewGreenbacker Renewable Energy CorporationFond du Lac, WI2 GWhJul 2024Dec 2024 Solar
Perry Customer Hosted 1MW Solar ProjectInterstate Power and Light CoPerry, IA739 MWhJun 2024Dec 2024 Solar
SV CSG AFTON ISV CSG Afton I, LLCAfton, MN642 MWhJun 2024Dec 2024 Solar
Oxbow Solar 1Lightsource Renewable Energy Asset Management, LLCNew Roads, LA562 GWhJun 2024Oct 2025 Solar
DSI Don SolarDSI Don Solar LLCRenville, MN579 MWhJun 2024Dec 2024 Solar
Pearl River Solar Park LLCPearl River Solar Park, LLCMorton, MS420 GWhJun 2024Oct 2025 Solar
Hy-Vee Customer Hosted 2.25MW SolarInterstate Power and Light CoChariton, IA2 GWhJun 2024Dec 2024 Solar
Putnam Solar 1BPivot EnergyGranville, IL2 GWhMay 2024Dec 2024 Solar
St. Clair Solar 3Pivot EnergyWashington Park, IL158 MWhMay 2024Dec 2024 Solar
Cedarville (IL)Generate CapitalFreeport, IL1 GWhApr 2024Dec 2024 Solar
Kankakee Solar 1Pivot EnergyBourbonnais, IL2 GWhApr 2024Dec 2024 Solar
Wildflower Solar, LLC (MS)Duke Energy Renewables ServicesDeSoto, MS201 GWhApr 2024Oct 2025 Solar
Putnam Solar 1Pivot EnergyGranville, IL2 GWhApr 2024Dec 2024 Solar
Spring Prairie Solar LLC CSGUnited States Solar CorporationGlyndon, MN1 GWhApr 2024Dec 2024 Solar
Fareway Customer Hosted 1 MW SolarInterstate Power and Light CoBoone, IA1 GWhApr 2024Dec 2024 Solar
Marion Solar 4b LLCPivot EnergySandoval, IL970 MWhApr 2024Dec 2024 Solar
Cavalry Solar HybridCavalry Energy Center LLCMonon, IN371 GWhApr 2024Oct 2025 Solar
Grant CountyWisconsin Power & Light CoTown of Potosi, WI369 GWhApr 2024Oct 2025 Solar
ISU Customer Hosted 1MW Solar ProjectInterstate Power and Light CoAmes, IA2 GWhApr 2024Dec 2024 Solar
Crooked Lake Solar, LLCCrooked Lake Solar, LLCBlytheville, AR394 GWhApr 2024Oct 2025 Solar
Blue Elk II Solar, LLCBlue Elk II Solar, LLCMason, MI26 GWhApr 2024Dec 2024 Solar
Earp Solar, LLCBirch Creek Power, LLCMonmouth, IL74 GWhMar 2024Oct 2025 Solar
Grinnell CollegeAzimuth 180 Solar Electric, LLCGrinnell, IA2 GWhMar 2024Dec 2024 Solar
Heartland FarmsConsumers Energy Co - (MI)Middleton, MI458 GWhMar 2024Oct 2025 Wind
Delta Wind Farm (MS)AES Clean EnergyDundee, MS501 GWhMar 2024Oct 2025 Wind
Hardy Hills Solar Energy LLCHardy Hills Solar LLCFrankfort, IN357 GWhFeb 2024Oct 2025 Solar
Pleasant Creek Unit 1Interstate Power and Light CoPalo, IA97 GWhFeb 2024Oct 2025 Solar
OgemaGreenbacker Renewable Energy CorporationOgema, WI2 GWhFeb 2024Dec 2024 Solar
ADC VarnerEntegrity Solar ADC, LLCGould, AR9 GWhFeb 2024Dec 2024 Solar
Popple Creek (Clark 1)Greenbacker Renewable Energy CorporationColby, WI4 GWhJan 2024Dec 2024 Solar
Hay River (Dunn 1)Greenbacker Renewable Energy CorporationBoyceville, WI3 GWhJan 2024Dec 2024 Solar
El Dorado AREntegrity Solar El Dorado SD, LLCEl Dorado, AR2 GWhJan 2024Dec 2024 Solar
Cedar Rapids Community SolarInterstate Power and Light CoCedar Rapids, IA8 GWhJan 2024Dec 2024 Solar
Wolf River (Chipewa 1)Greenbacker Renewable Energy CorporationStanley, WI2 GWhJan 2024Dec 2024 Solar
Tyto SolarMadison Gas & Electric CoFitchburg, WI11 GWhJan 2024Dec 2024 Solar
Trimbelle (Pierce Pepin)Greenbacker Renewable Energy CorporationHager City, WI3 GWhJan 2024Dec 2024 Solar
Walleye (Dunn 2)Greenbacker Renewable Energy CorporationColefax, WI3 GWhJan 2024Dec 2024 Solar
Yorktown 2 SolarSoCore Energy LLCLyndon, IL2 GWhDec 2023Dec 2024 Solar
Yorktown 1 SolarSoCore Energy LLCLyndon, IL2 GWhDec 2023Dec 2024 Solar
USS Martha Solar (CSG)United States Solar CorporationHamburg, MN2 GWhDec 2023Dec 2024 Solar
SolarClub 30 (CSG)Nautilus Solar SolutionsEden Valley, MN2 GWhDec 2023Dec 2024 Solar
Big Cypress Solar, LLCBig Cypress Solar, LLCCrawfordsville, AR421 GWhNov 2023Oct 2025 Solar
Albany Solar (WI)Wisconsin Power & Light CoBroadhead, WI97 GWhNov 2023Oct 2025 Solar
USS Riley Solar LLC (CSG)United States Solar CorporationMontevideo, MN2 GWhNov 2023Dec 2024 Solar
Springfield Solar (WI)Wisconsin Power & Light CoLomira, WI199 GWhNov 2023Oct 2025 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#60Alcoa Power Generating, Inc. - Yadkin Division643.5 GWh4
#27Associated Electric Cooperative, Inc.23.9 TWh47
#13Duke Energy Carolinas111.6 TWh565
#52Duke Energy Progress West4.3 TWh10
#24Louisville Gas and Electric Company and Kentucky Utilities Company34.2 TWh25
#1PJM Interconnection, LLC872.9 TWh2,465
#6Southern Company Services, Inc. - Trans249.9 TWh417
#5Southwest Power Pool300.6 TWh835
#51Southwestern Power Administration5.0 TWh34
#9Tennessee Valley Authority161.0 TWh204

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#1PJM Interconnection, LLC872.9 TWh2,465
#2Midcontinent Independent System Operator, Inc.656.9 TWh2,831
#3Electric Reliability Council of Texas, Inc.484.7 TWh1,313
#5Southwest Power Pool300.6 TWh835
#6Southern Company Services, Inc. - Trans249.9 TWh417
#7California Independent System Operator184.8 TWh2,075
#9Tennessee Valley Authority161.0 TWh204
#10Florida Power & Light Co.149.6 TWh187
#12New York Independent System Operator132.6 TWh1,211
#13Duke Energy Carolinas111.6 TWh565