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 101 to 200 of 2,269
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
WestonWisconsin Public Service CorpRothschild, WI4 TWhNov 1954May 2026 Subbituminous Coal : 99.3% Natural Gas : 0.7%
Cannon Falls Energy CenterInvenergy Services LLCCannon Falls, MN954 GWhMar 2008May 2026 Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
PulliamWisconsin Public Service CorpGreen Bay, WI103 GWhAug 1949May 2026 Natural Gas
Spiritwood StationGreat River EnergySpiritwood, ND213 GWhOct 2014May 2026 Natural Gas : 58.1% Refined Coal : 41.9%
Buffalo Ridge I LLCAvangrid Power LLCElkton, SD95 GWhMar 2009May 2026 Wind
Pioneer Prairie Wind FarmPioneer Prairie Wind Farm I, LLCMcIntire, IA845 GWhSep 2008May 2026 Wind
EdgewaterWisconsin Power & Light CoSheboygan, WI2 TWhJun 1951May 2026 Subbituminous Coal : 99.8%
Point Beach Nuclear PlantNextEra Energy Point Beach LLCTwo Rivers, WI10 TWhMay 1969May 2026 Nuclear
Central Michigan UniversityCentral Michigan UniversityMt. Pleasant, MI29 GWhNov 1987May 2026 Natural Gas
Valley (WI)Wisconsin Electric Power CoMilwaukee, WI376 GWhMay 1968May 2026 Natural Gas
South Oak CreekWisconsin Electric Power CoOak Creek, WI2 TWhNov 1959May 2026 Subbituminous Coal : 99.5%
Port Washington Generating StationWisconsin Electric Power CoPort Washington, WI7 TWhJun 2005May 2026 Natural Gas
Osceola Windpower IIOsceola Windpower IIHarris, IA191 GWhAug 2008May 2026 Wind
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%
FPL Energy Crystal Lake Wind LLCFPL Energy Crystal Lake Wind LLCBritt, IA578 GWhNov 2008May 2026 Wind
FPL Energy Story Wind LLCFPL Energy Story Wind LLCZearing, IA571 GWhNov 2008May 2026 Wind
FPL Energy Crystal Lake Wind II LLCFPL Energy Crystal Lake Wind II LLCBritt, IA706 GWhDec 2008May 2026 Wind
Forward Wind Energy CenterWisconsin Public Service CorpBrownsville, WI125 GWhJun 2008May 2026 Wind
Columbia (WI)Wisconsin Power & Light CoPardeville, WI6 TWhApr 1975May 2026 Subbituminous Coal : 99.9%
Diesel GeneratorsMadison Gas & Electric CoMadison, WI1 GWhMay 2001May 2026 Distillate Fuel Oil
Emery StationInterstate Power and Light CoClear Lake, IA2 TWhApr 2004May 2026 Natural Gas
Elm Road Generating StationWisconsin Electric Power CoOak Creek, WI8 TWhJan 2010May 2026 Subbituminous Coal : 86.7% Bituminous Coal : 10.5% Natural Gas : 2.8%
Nobles Wind ProjectNorthern States Power Co - MinnesotaReading, MN789 GWhNov 2010May 2026 Wind
Merricourt Wind Energy CenterOtter Tail Power CoKulm, ND562 GWhNov 2020May 2026 Wind
SabineEntergy Texas Inc.Orange, TX4 TWhDec 1961May 2026 Natural Gas
Lewis CreekEntergy Texas Inc.Willis, TX2 TWhNov 1970May 2026 Natural Gas
Arkansas Nuclear OneEntergy Arkansas LLCRussellville, AR14 TWhNov 1974May 2026 Nuclear
Milton R YoungMinnkota Power Coop, IncCenter, ND4 TWhSep 1970May 2026 Lignite Coal : 99.8%
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%
R M HeskettMontana-Dakota Utilities CoMandan, ND62 GWhOct 1954May 2026 Natural Gas
Quilt Block Wind Farm LLCQuilt Block Wind Farm LLCDarlington, WI371 GWhAug 2017May 2026 Wind
Fox Energy CenterWisconsin Public Service CorpWrightstown, WI4 TWhMay 2005May 2026 Natural Gas
SiouxUnion Electric Co - (MO)West Alton, MO4 TWhApr 1967May 2026 Subbituminous Coal : 78.0% Bituminous Coal : 21.9%
CoyoteOtter Tail Power CoBeulah, ND3 TWhApr 1981May 2026 Lignite Coal : 99.8%
LabadieUnion Electric Co - (MO)Labadie, MO15 TWhMay 1970May 2026 Subbituminous Coal : 99.9%
Hancock County Wind Energy CenterFPL Energy Hancock County Wind, LLCGarner, IA250 GWhNov 2002May 2026 Wind
MoselleCooperative EnergyMoselle, MS2 TWhJul 1970May 2026 Natural Gas
Covanta Hennepin EnergyCovanta Energy CoMinneapolis, MN195 GWhSep 1989May 2026 Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8%
CF Industries Yazoo City ComplexCF Industries Nitrogen LLCYazoo City, MS104 GWhJun 1984May 2026 Natural Gas
Mosaic Phosphates Uncle SamMosaic Phosphates Co.Uncle Sam, LA102 GWhDec 1967May 2026 Waste Heat : 96.8% Natural Gas : 3.2%
Elk RiverGreat River EnergyElk River, MN155 GWhDec 1950May 2026 Natural Gas : 90.8% Distillate Fuel Oil : 9.2%
Escanaba MillBillerud Escanaba LLCEscanaba, MI452 GWhDec 1968May 2026 Black Liquor : 45.8% Natural Gas : 31.6% Wood/Wood Waste Solids : 21.8% Residual Fuel Oil : 0.8%
Glacier HillsWisconsin Electric Power CoCambria, WI336 GWhNov 2011May 2026 Wind
OREG 3 IncOrmat Nevada IncTrimont, MN43 GWhJul 2010May 2026 Waste Heat
T B Simon Power PlantMichigan State UniversityEast Lansing, MI263 GWhNov 1965May 2026 Natural Gas
Consumer Operations LLCGeorgia-Pacific Consumer Oper. Green Bay LLCGreen Bay, WI239 GWhDec 1953May 2026 Natural Gas
Anheuser-Busch St LouisAnheuser-Busch IncSt. Louis, MO38 GWhDec 1938May 2026 Natural Gas : 93.0% Other Biomass Gas : 7.0%
Lakefield Wind Project LLCEDF Renewable Asset Holdings, Inc.Lakefield, MN392 GWhSep 2011May 2026 Wind
Prairie State Generating StationPrairie State Generating Co LLCMarissa, IL12 TWhMay 2012May 2026 Bituminous Coal : 99.8%
Expander TurbineCleveland CliffsEast Chicago, IN85 GWhApr 1981May 2026 Blast Furnace Gas
Boise Cascade International FallsBoise White Paper LLCInternational Falls, MN333 GWhDec 1926May 2026 Black Liquor : 63.4% Natural Gas : 22.5% Wood/Wood Waste Solids : 12.8% Sludge Waste : 1.3%
International Falls PowerBoise White Paper LLCInternational Falls, MN58 GWhDec 1923May 2026 Water
MNDOT Standby GenerationState of Minnesota Department of AdministrationSt. Paul, MN51 MWhJun 1995May 2026 Distillate Fuel Oil
Smithland Hydroelectric PlantAmerican Mun Power-Ohio, IncSmithland, KY421 GWhJun 2017May 2026 Water
Gratiot Wind ParkDTE Electric CompanyBreckenridge, MI214 GWhOct 2011May 2026 Wind
Buffalo Ridge II LLCAvangrid Power LLCElkton, SD494 GWhNov 2010May 2026 Wind
Pine Tree Acres WM LFGTEWM Renewable Energy LLCLenox, MI89 GWhFeb 2012May 2026 Landfill Gas
Crystal Lake 3 LLCCrystal Lake 3 LLCBritt, IA231 GWhNov 2009May 2026 Wind
Garden Wind LLCGarden Wind LLCZearing, IA343 GWhNov 2009May 2026 Wind
Montfort Wind Energy CenterWisconsin Electric Power CoMontfort, WI51 GWhMay 2002May 2026 Wind
Rolling Hills Wind FarmMidAmerican Energy CoMassena, IA2 TWhNov 2011May 2026 Wind
Magnet CoveArkansas Electric Coop CorpMalvern, AR4 TWhJun 2005May 2026 Natural Gas
Midland Cogeneration VentureMidland Cogeneration VentureMidland, MI10 TWhMay 1989May 2026 Natural Gas
Sabine River OperationsThe Dow Chemical CompanyOrange, TX3 TWhDec 1947May 2026 Natural Gas : 99.5%
Prairie Rose Wind FarmPrairie Rose Wind FarmHardwick, MN458 GWhNov 2012May 2026 Wind
Riverside Energy CenterWisconsin Power & Light CoBeloit, WI4 TWhMay 2004May 2026 Natural Gas
Archer Daniels Midland ClintonArcher Daniels Midland CoClinton, IA679 GWhJan 2009May 2026 Subbituminous Coal : 87.9% Other Biomass Solids : 7.0% Bituminous Coal : 5.1%
Perryville Power StationEntergy Louisiana LLCSterlington, LA4 TWhMay 2001May 2026 Natural Gas
WilmarthNorthern States Power Co - MinnesotaMankato, MN97 GWhAug 1948May 2026 Non-biogenic Municipal Solid Waste : 53.8% Biogenic Municipal Solid Waste : 44.0% Natural Gas : 2.1%
Archer Daniels Midland Cedar RapidsArcher Daniels Midland CoCedar Rapids, IA1 TWhOct 1988May 2026 Subbituminous Coal : 60.7% Natural Gas : 23.3% Bituminous Coal : 16.0%
Red WingNorthern States Power Co - MinnesotaRed Wing, MN132 GWhSep 1949May 2026 Non-biogenic Municipal Solid Waste : 53.4% Biogenic Municipal Solid Waste : 43.7% Wood/Wood Waste Solids : 2.3% Natural Gas : 0.6%
Monticello Nuclear FacilityNorthern States Power Co - MinnesotaMonticello, MN5 TWhMay 1971May 2026 Nuclear
Allen S KingNorthern States Power Co - MinnesotaOak Park Heights, MN723 GWhFeb 1958May 2026 Subbituminous Coal : 99.4%
Archer Daniels Midland DecaturArcher Daniels Midland CoDecatur, IL911 GWhMar 1987May 2026 Bituminous Coal : 63.2% Subbituminous Coal : 36.5%
High BridgeNorthern States Power Co - MinnesotaSt. Paul, MN3 TWhApr 2008May 2026 Natural Gas
University of Northern IowaUniversity of Northern IowaCedar Falls, IA24 GWhOct 1982May 2026 Natural Gas : 71.2% Petroleum Coke : 20.2% Bituminous Coal : 8.4%
Dow St Charles OperationsDow Chemical Co - St CharlesTaft, LA2 TWhNov 1996May 2026 Natural Gas : 99.0% Other Gas : 1.0%
Wabash Valley Power IGCCWabash Valley Power Assn, IncTerre Haute, IN482 GWhNov 1953May 2026 Natural Gas
M L HibbardALLETE, Inc.Duluth, MN98 GWhMay 1949May 2026 Wood/Wood Waste Solids : 91.1% Subbituminous Coal : 6.8% Natural Gas : 2.1%
Washington Parish Energy CenterEntergy Louisiana LLCBogalusa, LA315 GWhOct 2020May 2026 Natural Gas
Sigel Wind ParkDTE Electric CompanyHarbor Beach, MI246 GWhNov 2012May 2026 Wind
Minden Wind ParkDTE Electric CompanyMinden City, MI110 GWhNov 2012May 2026 Wind
Clay BoswellALLETE, Inc.Cohasset, MN6 TWhJun 1958May 2026 Subbituminous Coal : 99.8%
McKinley Wind ParkDTE Electric CompanyPigeon, MI51 GWhNov 2012May 2026 Wind
Eclipse Wind FarmMidAmerican Energy CoAdair, IA822 GWhAug 2012May 2026 Wind
Purdue UniversityPurdue UniversityWest Lafayette, IN115 GWhDec 1968May 2026 Natural Gas : 93.6% Bituminous Coal : 6.4%
OuachitaEntergy Louisiana LLCSterlington, LA4 TWhJul 2002May 2026 Natural Gas
Lake Charles PolymersEquistar Chemicals LPWestlake, LA195 GWhAug 2011May 2026 Natural Gas
Alpena Cement PlantLafarge CorpAlpena, MI206 GWhDec 1951May 2026 Petroleum Coke : 86.8% Natural Gas : 13.2%
Bayou Cove Peaking PowerBayou Cove Peaking Power, LLCJennings, LA125 GWhJun 2002May 2026 Natural Gas
SIUCSouthern Illinois University CarbondaleCarbondale, IL9 GWhMay 1998May 2026 Bituminous Coal
Arq Solutions Red RiverArq Solutions (Red River), LLCCoushatta, LA100 GWhJan 2011May 2026 Waste Heat
WyandotteWyandotte Municipal Serv Comm - (MI)Wyandotte, MI110 MWhDec 1947May 2026 Distillate Fuel Oil
Roquette AmericaRoquette AmericaKeokuk, IA208 GWhJun 2004May 2026 Natural Gas
Georgia-Pacific Corp - Nekoosa MillDomtar Industries IncNekoosa, WI160 GWhDec 1911May 2026 Natural Gas : 43.1% Black Liquor : 41.5% Water : 15.5%
Menominee Mill MarinetteEagle Creek Renewable Energy, LLCMenominee, MI10 GWhDec 1923May 2026 Water
California Ridge Wind Energy LLCSunEdison LLCFithian, IL692 GWhNov 2012May 2026 Wind
Plaquemine Cogeneration PlantDow Chemical CoPlaquemine, LA6 TWhFeb 2004May 2026 Natural Gas : 97.4% Other Gas : 2.6%
University of MichiganUniversity of MichiganAnn Arbor, MI232 GWhDec 1974May 2026 Natural Gas
Hot Spring Generating FacilityEntergy Arkansas LLCMalvern, AR3 TWhMay 2002May 2026 Natural Gas

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