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%

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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
Grantsburg DieselNorthwestern Wisconsin Elec CoGrantsburg, WI26 MWhNov 1963Dec 2025 Distillate Fuel Oil
Grant County Wind LLCGrant County Wind, LLCWoodstock, MN53 GWhJul 2010Dec 2025 Wind
Grant CountyWisconsin Power & Light CoTown of Potosi, WI375 GWhApr 2024May 2026 Solar
Granite FallsCity of Granite Falls - (MN)Granite Falls, MN2 GWhJul 1932Dec 2025 Water
Granite City WorksUnited States Steel Granite City WorksGranite City, IL448 GWhMay 2010May 2026 Purchased Steam : 49.2% Natural Gas : 47.8% Blast Furnace Gas : 3.0%
Grandfather FallsWisconsin Public Service CorpIrma, WI79 GWhNov 1938Dec 2025 Water
Grand Valley Solar GardensConsumers Energy Co - (MI)Allendale, MI4 GWhMar 2016May 2026 Solar
Grand RiverEnergy Developments, Inc d/b/a EDLGrand Ledge, MI8 GWhMar 1991Dec 2025 Landfill Gas
Grand RapidsWisconsin Public Service CorpIngalls, MI35 GWhMay 1918Dec 2025 Water
Grand Meadow (PV)OneEnergy, Inc.Grand Meadow, MN425 MWhOct 2025Dec 2025 Solar
Grand MeadowNorthern States Power Co - MinnesotaDexter, MN379 GWhNov 2008Dec 2025 Wind
Grand MaraisCity of Grand Marais - (MN)Grand Marais, MN164 MWhJan 2004Dec 2025 Distillate Fuel Oil
Grand JunctionCity of Grand Junction - (IA)Grand Junction, IA41 MWhNov 1994Dec 2025 Distillate Fuel Oil
Grand GulfSystem Energy Resources, IncPort Gibson, MS10 TWhJun 1985May 2026 Nuclear
Grand Casino Hinckley SolarDG Central 1, LLCHinckley, MN6 GWhApr 2022Dec 2025 Solar
Grand Blanc Generating StationEnergy Developments, Inc d/b/a EDLGrand Blanc, MI50 GWhJun 1994Dec 2025 Landfill Gas
GraettingerCity of Graettinger - (IA)Graettinger, IA49 MWhJul 1957Dec 2025 Distillate Fuel Oil
GowrieGowrie Municipal Utilities - (IA)Gowrie, IA3 MWhDec 2012Dec 2025 Distillate Fuel Oil
Gopher CSGSoCore Energy LLCTaylor Falls, MN8 GWhDec 2017Dec 2025 Solar
Goose Lake MN DPC-GMENGIE Generation North America LLCAlbert Lea, MN3 GWhJan 2019Dec 2025 Solar
Goodhue Community Solar Two LLCMadison Energy Holdings LLCZumbrota, MN2 GWhMar 2020Dec 2025 Solar
Goodhue Community Solar Three LLC CSGMadison Energy Holdings LLCZumbrota, MN2 GWhJan 2020Dec 2025 Solar
Goodhue Community Solar One LLC CSGMadison Energy Holdings LLCZumbrota, MN2 GWhJan 2020Dec 2025 Solar
Goldenrod (IL)Generate CapitalViola, IL6 GWhJul 2025Dec 2025 Solar
Golden PlainsInterstate Power and Light CoBuffalo Center, IA782 GWhFeb 2020May 2026 Wind
Gohman Community Solar (CSG)CleanCapital HoldingsClear Lake, MN2 GWhJan 2020Dec 2025 Solar
Glendive GTMontana-Dakota Utilities CoGlendive, MT16 GWhMay 1979Dec 2025 Natural Gas : 98.8% Distillate Fuel Oil : 1.2%
GlencoeGlencoe Light & Power CommGlencoe, MN146 MWhMay 1957Dec 2025 Distillate Fuel Oil : 99.7%
Glen Ullin Station 6Montana-Dakota Utilities CoGlen Ullin, ND32 GWhJun 2009Dec 2025 Waste Heat
Glen Ullin Energy CenterALLETE Clean EnergyGlen Ullin, ND423 GWhNov 2019May 2026 Wind
Glaciers Edge Wind ProjectEDF Renewable Asset Holdings, Inc.Cleghorn, IA817 GWhNov 2019May 2026 Wind
Glacier Sands Wind Power, LLCGlacier Sands Wind Power, LLCMason City, IL629 GWhOct 2021May 2026 Wind
Glacier HillsWisconsin Electric Power CoCambria, WI336 GWhNov 2011May 2026 Wind
GL WindGL Wind LLCLewiston, MN10 GWhNov 2011Dec 2025 Wind
Gilliam SouthCity of Stuart - (IA)Stuart, IA4 MWhJan 2001Dec 2025 Distillate Fuel Oil
Gibson SolarGibson Solar, LLCPrinceton, IN294 GWhJul 2025May 2026 Solar
Gibson City Energy Center LLCGibson City Energy Center LLCGibson City, IL109 GWhMay 2000Dec 2024 Natural Gas
GibsonDuke Energy Indiana, LLCOwensville, IN11 TWhMar 1975May 2026 Bituminous Coal : 99.6%
Gibbon SolarGreen Street Power PartnersGibbon, MN6 GWhMay 2019Dec 2025 Solar
GermantownWisconsin Electric Power CoGermantown, WI33 GWhJun 1978Dec 2025 Natural Gas : 83.1% Distillate Fuel Oil : 16.9%
Geranium Solar, LLCGeronimo PowerRaymond, MN2 GWhSep 2020Dec 2024 Solar
Gerald AndrusEntergy Mississippi LLCGreenville, MS567 GWhDec 1974Nov 2025 Natural Gas : 99.9%
Georgia-Pacific Monticello PaperGeorgia-Pacific Monticello LLCMonticello, MS550 GWhMay 1968Dec 2024 Black Liquor : 47.2% Natural Gas : 40.2% Wood/Wood Waste Solids : 12.6%
Georgia-Pacific Corp - Nekoosa MillDomtar Industries IncNekoosa, WI160 GWhDec 1911May 2026 Natural Gas : 43.1% Black Liquor : 41.5% Water : 15.5%
Georgetown (Polk Burnett)Greenbacker Renewable Energy CorporationBalsam Lake, WI4 GWhOct 2023Dec 2025 Solar
GeorgetownAES IndianaIndianapolis, IN307 GWhMay 2000Dec 2025 Natural Gas
George Neal SouthMidAmerican Energy CoSalix, IA2 TWhJun 1979May 2026 Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.9%
George Neal NorthMidAmerican Energy CoSergeant Bluff, IA2 TWhApr 1964May 2026 Subbituminous Coal : 98.8% Natural Gas : 1.2%
George JohnsonWolverine Power Supply CoopHersey, MI43 GWhAug 1993Dec 2025 Natural Gas
GeneseoCity of Geneseo - (IL)Geneseo, IL8 GWhJun 1957May 2026 Wind : 73.9% Solar : 21.1% Distillate Fuel Oil : 4.9%
Genesee Solar ProjectGenesee Solar Energy, LLCFlint, MI29 GWhNov 2025May 2026 Solar
Genesee Power Station LPNorthStar Clean EnergyFlint, MI116 GWhNov 1995Dec 2025 Wood/Wood Waste Solids : 99.9%
General DynamicsToday's Power, Inc.Hampton, AR3 GWhOct 2020Dec 2025 Solar
Gemini Community SolarGemini Community SolarScandia, MN5 GWhAug 2017Dec 2025 Solar
Geismar CogenAir Liquide Large Industries U S LPGeismar, LA528 GWhDec 1999Dec 2025 Natural Gas
GeismarBASF CorporationGeismar, LA626 GWhJun 1985Dec 2025 Natural Gas : 85.5% Other Gas : 14.5%
Geddes 2 Solar, LLCGeddes 2 Solar, LLCSaginaw, MI4 GWhDec 2020Dec 2025 Solar
Geddes 1 Solar, LLCGeddes 1 Solar, LLCSaginaw, MI4 GWhNov 2020Dec 2025 Solar
Gaylord - WolverineWolverine Power Supply CoopGaylord, MI37 GWhMay 2001Dec 2025 Natural Gas
Gaylord Container BogalusaTemple-Inland CorpBogalusa, LA452 GWhMay 1979May 2026 Black Liquor : 57.8% Wood/Wood Waste Solids : 35.6% Natural Gas : 6.7%
Gas Turbine (IA)Cedar Falls UtilitiesCedar Falls, IA1 GWhDec 1967Dec 2025 Natural Gas
Gas City Solar ParkIndiana Municipal Power AgencyGas City, IN4 GWhMay 2020Dec 2025 Solar
Gary WorksUnited States Steel-GaryGary, IN995 GWhMar 1997May 2026 Blast Furnace Gas : 57.0% Natural Gas : 43.0%
Garden Wind LLCGarden Wind LLCZearing, IA343 GWhNov 2009May 2026 Wind
Garden 2 Solar ParkDTE Sustainable GenerationGarden Township, MI3 GWhMay 2022Dec 2025 Solar
Garden 1 Solar ParkDTE Sustainable GenerationGarden Township, MI1 GWhAug 2016Dec 2025 Solar
Galesburg Solar ArrayOnsite Partners, LLCOquawka, IL3 GWhFeb 2020Dec 2024 Solar
Galactic WindGalactic WindWaunakee, WI21 GWhNov 2012Dec 2025 Wind
G McNeilus Wind Farm Dodge CenterJustin McNeilusDodge Center, MN91 GWhAug 2002Dec 2025 Wind
G Flow Wind LLCMidwest Power Partners LLCRushmore, MN3 GWhApr 2006Dec 2025 Wind
Frontenac Holdco LLC, CSGFrontenac Holdco LLCFrontenac, MN8 GWhFeb 2019Dec 2025 Solar
French Road Solar IIFrench Road Solar II, LLCBurlington, IL4 GWhFeb 2022Dec 2025 Solar
French Landing DamEagle Creek Renewable Energy, LLCBelleville, MI5 GWhNov 1988Dec 2025 Water
French IslandNorthern States Power Co - MinnesotaLa Cross, WI65 GWhDec 1939May 2026 Wood/Wood Waste Solids : 43.5% Non-biogenic Municipal Solid Waste : 25.3% Biogenic Municipal Solid Waste : 20.7% Distillate Fuel Oil : 10.2%
Fremont Community Digester, LLCGenerate Fremont Digester, LLC.Newaygo, MI375 MWhNov 2012Dec 2024 Other Biomass Gas
FreeburgVillage of Freeburg - (IL)Freeburg, IL145 MWhJul 1948Dec 2025 Distillate Fuel Oil
Freeborn Wind FarmNorthern States Power Co - MinnesotaGlenville, MN772 GWhApr 2021May 2026 Wind
Franklin Heating StationFranklin Heating StationRochester, MN63 GWhDec 1950May 2026 Natural Gas : 82.3% Purchased Steam : 16.4% Distillate Fuel Oil : 1.2%
Franklin CSG 1Franklin CSG 1 LLCFranklin, MN913 MWhJun 2025Dec 2025 Solar
Franklin County Wind FarmInterstate Power and Light CoIowa Falls, IA302 GWhNov 2012Dec 2025 Wind
Franklin County SolarMidAmerican Energy CoHampton, IA13 GWhDec 2021Dec 2025 Solar
Frank JenkinsCity of Portland - (MI)Portland, MI195 MWhApr 1950Dec 2025 Distillate Fuel Oil : 81.7% Natural Gas : 18.3%
FPL Energy Story Wind LLCFPL Energy Story Wind LLCZearing, IA571 GWhNov 2008May 2026 Wind
FPL Energy Oliver Wind II LLCFPL Energy Oliver County Wind II LLCCenter, ND189 GWhNov 2007Dec 2025 Wind
FPL Energy Oliver Wind I LLCFPL Energy Oliver County WindCenter, ND182 GWhNov 2006Dec 2025 Wind
FPL Energy North Dakota Wind I/IIFPL Energy North Dakota Wind LLCEdgeley, ND121 GWhSep 2003Dec 2025 Wind
FPL Energy Crystal Lake Wind LLCFPL Energy Crystal Lake Wind LLCBritt, IA578 GWhNov 2008May 2026 Wind
FPL Energy Crystal Lake Wind II LLCFPL Energy Crystal Lake Wind II LLCBritt, IA706 GWhDec 2008May 2026 Wind
FPL Energy Burleigh County WindFPL Energy Burleigh County Wind LLCWilton, ND180 GWhNov 2005Dec 2025 Wind
FPL Energy Ashtabula Wind LLCFPL Energy Ashtabula Wind LLCLuverne, ND583 GWhNov 2008Dec 2025 Wind
Foxtail Wind, LLCFoxtail Wind, LLCForbes, ND587 GWhDec 2019May 2026 Wind
Fox Energy CenterWisconsin Public Service CorpWrightstown, WI4 TWhMay 2005May 2026 Natural Gas
Fox CSG, LLCEcoplexus, IncTaylors Falls, MN7 GWhFeb 2018Dec 2025 Solar
Four Mile Hydropower ProjectEagle Creek Renewable Energy, LLCAlpena, MI8 GWhAug 1990Dec 2025 Water
FountainAltus Power America Management, LLCFountain, MN6 GWhOct 2021Dec 2025 Solar
Forward Wind Energy CenterWisconsin Public Service CorpBrownsville, WI125 GWhJun 2008May 2026 Wind
Fort Polk (fka Johnson) - Chaffee WestOnyx Asset Services GroupFort Polk North, LA750 MWhOct 2025Dec 2025 Solar
Fort Polk (fka Johnson) - Chaffee EastOnyx Asset Services GroupFort Polk North, LA644 MWhOct 2025Dec 2025 Solar
Forrest City- Prison SiteGreenbacker Renewable Energy CorporationForrest City, AR2 GWhMar 2021Dec 2024 Solar
Forrest City- Eldridge RoadGreenbacker Renewable Energy CorporationForrest City, AR2 GWhMar 2021Dec 2024 Solar

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