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 Authority	Midcontinent 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 Plants	2,831
Utilities	1,296
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%

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Daily Net Generation for Midcontinent Independent System Operator, Inc. for the past 3 Years

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Storm Lake 1	ALLETE Clean Energy	Alta, IA	85 GWh	Apr 1999	Dec 2024	Wind
University of Illinois Abbott Power Plt	University of Illinois	Champaign, IL	211 GWh	Oct 1940	Dec 2024	Natural Gas : 97.4% Bituminous Coal : 2.6%
Grand Blanc Generating Station	Energy Developments, Inc d/b/a EDL	Grand Blanc, MI	52 GWh	Jun 1994	Dec 2024	Landfill Gas
Coopersville	Energy Developments, Inc d/b/a EDL	Coopersville, MI	37 GWh	May 1994	Dec 2024	Landfill Gas
Genesee Power Station LP	NorthStar Clean Energy	Flint, MI	96 GWh	Nov 1995	Dec 2024	Wood/Wood Waste Solids : 99.9%
Alliant SBD 9301 Prairie Farms	Industrial Energy Applications Inc	Dubuque, IA	86 MWh	Jun 1993	Dec 2024	Distillate Fuel Oil
Alliant SBD 9206 Donaldson	Industrial Energy Applications Inc	Cresco, IA	6 MWh	Oct 1995	Dec 2024	Distillate Fuel Oil
Alliant SBD 9106 Rockwell CR	Industrial Energy Applications Inc	Cedar Rapids, IA	253 MWh	May 1992	Dec 2024	Distillate Fuel Oil
Alliant SBD 8602 Marion Sub	Industrial Energy Applications Inc	Marion, IA	19 MWh	Jul 1986	Dec 2024	Distillate Fuel Oil
Alliant SBD 9205 A Y McDonald	Industrial Energy Applications Inc	Dubuque, IA	9 MWh	Feb 1990	Dec 2024	Distillate Fuel Oil
Sidney A Murray Jr Hydroelectric	First National Bank-Commerce	Vidalia, LA	885 GWh	Apr 1990	Dec 2024	Water
Pheasant Run Landfill Gas Recovery	WM Renewable Energy LLC	Bristol, WI	48 GWh	Jan 1992	Dec 2024	Landfill Gas
JCO Oxides Olefins Plant	Indorama Ventures	Port Neeches, TX	614 GWh	Aug 1992	Dec 2024	Natural Gas
Venice Resources Gas Recovery	WM Renewable Energy LLC	Lennon, MI	11 GWh	Feb 1992	Dec 2024	Landfill Gas
Sumpter Energy Associates	NextEra Renewable Fuels, LLC	Belleville, MI	63 GWh	Jun 1992	Dec 2024	Landfill Gas
Formosa Plastics	Formosa Plastics Corp	Baton Rouge, LA	402 GWh	Apr 1985	Dec 2024	Natural Gas
Cadillac Renewable Energy	Cadillac Renewable Energy LLC	Cadillac, MI	136 GWh	Jul 1993	Dec 2024	Wood/Wood Waste Solids
Ninth Street Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	7 GWh	Aug 1990	Dec 2024	Water
Four Mile Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	9 GWh	Aug 1990	Dec 2024	Water
Norway Point Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	15 GWh	Aug 1990	Dec 2024	Water
Hastings City Hydroelectric	Hastings Lock & Dam	Hastings, MN	13 GWh	Dec 1991	Dec 2024	Water
Louisiana Tech University Power Plant	Louisiana Tech University	Ruston, LA	42 GWh	Jun 2004	Dec 2024	Natural Gas
American Crystal Sugar East Grand Forks	American Crystal Sugar Co	East Grand Forks, MN	43 GWh	Aug 1990	Dec 2024	Subbituminous Coal
American Crystal Sugar Drayton	American Crystal Sugar Co	Drayton, ND	42 GWh	Aug 1965	Dec 2024	Subbituminous Coal
American Crystal Sugar Crookston	American Crystal Sugar Co	Crookston, MN	43 GWh	Aug 1954	Dec 2024	Subbituminous Coal
American Crystal Sugar Hillsboro	American Crystal Sugar Co	Hillsboro, ND	87 GWh	Aug 1990	Dec 2024	Subbituminous Coal
Riverview Energy Systems	Riverview Energy Systems	Riverview, MI	1 GWh	Dec 1987	Dec 2024	Landfill Gas
CITGO Refinery Powerhouse	CITGO Petroleum Corp	Sulphur, LA	226 GWh	Dec 1941	Dec 2024	Other Gas
Whiting Refinery	BP PLC	Whiting, IN	360 GWh	Dec 1947	Dec 2024	Other Gas : 81.0% Natural Gas : 19.0%
LaO Energy Systems	Dow Chemical Co	Plaquemine, LA	1 TWh	May 1958	Dec 2024	Natural Gas : 84.1% Other Gas : 15.9%
Winnebago County Landfill Gas	Winnebago County	Oshkosh, WI	9 GWh	Jan 2000	Dec 2024	Landfill Gas
Des Moines Wastewater Reclamation Fac	Des Moines Metro WRF	Des Moines, IA	71 MWh	Jun 1991	Dec 2024	Natural Gas
Atlantic Alumina, Gramercy Operations	Atalco Gramercy LLC	Gramercy, LA	208 GWh	Jan 1958	Dec 2024	Natural Gas
Westrock Hodge (LA)	Westrock (LA)	Hodge, LA	466 GWh	Nov 1952	Dec 2024	Black Liquor : 50.4% Natural Gas : 35.5% Wood/Wood Waste Solids : 14.2%
National Energy of McBain	National Salvage & Service Corporation	McBain, MI	122 GWh	Nov 1988	Dec 2024	Wood/Wood Waste Solids : 88.5% Tire-derived Fuels : 11.2%
Tazewell Gas Recovery	WM Illinois Renewable Energy LLC	East Peoria, IL	13 GWh	Jun 1989	Dec 2024	Landfill Gas
Clearwater Paper APP CB	Clearwater Paper Corporation	Arkansas City, AR	126 GWh	Oct 1977	Dec 2024	Black Liquor : 61.7% Natural Gas : 38.1%
Metro Gas Recovery	WM Renewable Energy LLC	Franklin, WI	37 GWh	Nov 1985	Dec 2024	Landfill Gas
Milam Gas Recovery	WM Illinois Renewable Energy LLC	East St. Lois, IL	19 GWh	Mar 1991	Dec 2024	Natural Gas
PPG Plant C Caustic	Westlake 2 US LLC	Lake Charles, LA	14 GWh	Sep 1986	Dec 2024	Natural Gas
Packaging of America Tomahawk Mill	PCA-Tomahawk Mill	Tomahawk, WI	111 GWh	Dec 1919	Dec 2024	Wood/Wood Waste Solids : 35.7% Natural Gas : 34.2% Black Liquor : 18.1% Water : 11.7%
Oconto Falls Lower	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	7 GWh	Dec 1970	Dec 2024	Water
French Landing Dam	Eagle Creek Renewable Energy, LLC	Belleville, MI	8 GWh	Nov 1988	Dec 2024	Water
Cascade Dam (MI)	Eagle Creek Renewable Energy, LLC	Grand Rapids, MI	3 GWh	Nov 1986	Dec 2024	Water
Ada Dam	Eagle Creek Renewable Energy, LLC	Ada, MI	2 GWh	Feb 1984	Dec 2024	Water
Olmsted Waste Energy	Olmsted County Public Works	Rochester, MN	47 GWh	Mar 1987	Dec 2024	Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.5%
Park Mill	Eagle Creek Renewable Energy, LLC	Marinette, WI	9 GWh	Dec 1919	Dec 2024	Water
Port Allen (LA)	Placid Refining Co LLC	Port Allen, LA	43 GWh	Apr 1990	Dec 2024	Natural Gas
Sartell Dam	Eagle Creek Renewable Energy, LLC	Sartell, MN	29 GWh	Feb 1985	Dec 2024	Water
Billerud Quinnesec Mill	Billerud Quinnesec Mill	Norway, MI	294 GWh	Sep 1985	Dec 2024	Black Liquor : 67.8% Wood/Wood Waste Solids : 30.2% Natural Gas : 1.9%
WestRock (TX)	WestRock (TX)	Evadale, TX	415 GWh	May 1954	Dec 2024	Black Liquor : 58.9% Wood/Wood Waste Solids : 22.0% Natural Gas : 19.1%
Plant 31 Paper Mill	Graphic Packaging International	West Monroe, LA	523 GWh	Dec 1963	Dec 2024	Natural Gas : 63.2% Black Liquor : 25.1% Wood/Wood Waste Solids : 11.7%
Primient Decatur Plant Cogen	Primary Products Ingredients Americas, LLC	Decatur, IL	254 GWh	Dec 1988	Dec 2024	Natural Gas
Archer Daniels Midland Peoria	BioUrja Renewables LLC	Peoria, IL	79 GWh	Dec 1987	Dec 2024	Natural Gas
Archer Daniels Midland Mankato	Archer Daniels Midland Co	Mankato, MN	22 GWh	Sep 1987	Dec 2024	Natural Gas
Archer Daniels Midland Des Moines	Archer Daniels Midland Co	Des Moines, IA	2 GWh	Apr 1988	Dec 2024	Natural Gas
Cargill Corn Milling Division	Cargill Inc North America Sweetners	Eddyville, IA	110 GWh	Nov 1952	Dec 2024	Natural Gas
Grayling Generating Station	NorthStar Clean Energy	Grayling, MI	165 GWh	Apr 1992	Dec 2024	Wood/Wood Waste Solids : 99.8%
Ada Cogeneration LP	Ada Cogeneration LLC	Ada, MI	158 GWh	Sep 1990	Dec 2024	Natural Gas
St Francisville Mill	Hood Container of Louisiana, LLC	St. Francisville, LA	110 GWh	Feb 1966	Dec 2024	Black Liquor : 58.6% Natural Gas : 41.4%
ExxonMobil Baton Rouge Turbine Generator	Exxon Mobil Corp	Baton Rouge, LA	654 GWh	Apr 1990	Dec 2024	Natural Gas
Rapids Energy Center	ALLETE, Inc.	Grand Rapids, MN	40 GWh	Dec 1942	Dec 2024	Natural Gas : 77.3% Water : 22.7%
Georgia-Pacific Monticello Paper	Georgia-Pacific Monticello LLC	Monticello, MS	550 GWh	May 1968	Dec 2024	Black Liquor : 47.2% Natural Gas : 40.2% Wood/Wood Waste Solids : 12.6%
Agrilectric Power Partners Ltd	Agrilectric Power Partners Ltd	Lake Charles, LA	79 GWh	Jun 1984	Dec 2024	Agricultural By-Products : 98.9% Natural Gas : 1.1%
Port Arthur Texas Refinery	Total Petrochemicals USA Inc	Port Arthur, TX	226 GWh	Jul 1988	Dec 2024	Natural Gas : 75.0% Other Gas : 25.0%
Grand River	Energy Developments, Inc d/b/a EDL	Grand Ledge, MI	7 GWh	Mar 1991	Dec 2024	Landfill Gas
Dayton Hydro	Eagle Creek Renewable Energy, LLC	Ottawa, IL	16 GWh	Dec 1924	Dec 2024	Water
DeRidder Mill	Packaging Corporation of America	DeRidder, LA	402 GWh	Sep 1969	Dec 2024	Black Liquor : 46.7% Wood/Wood Waste Solids : 34.3% Natural Gas : 18.9%
Big Falls	Northern States Power Co - Minnesota	Glen Fora, WI	36 GWh	Dec 1921	Dec 2024	Water
Pine	Wisconsin Electric Power Co	Florence, WI	10 GWh	May 1922	Dec 2024	Water
Oconto Falls Upper	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	6 GWh	Dec 1917	Dec 2024	Water
Appleton	Wisconsin Electric Power Co	Appleton, WI	6 GWh	Jul 1916	Dec 2024	Water
Teche	Cleco Power LLC	Baldwin, LA	21 GWh	Jun 1953	Dec 2024	Natural Gas
Danbury Dam	Renewable World Energies LLC	Danbury, WI	3 GWh	Dec 1920	Dec 2024	Water
Clam River Dam	Renewable World Energies LLC	Danbury, WI	5 GWh	Mar 1942	Dec 2024	Water
Wissota	Northern States Power Co - Minnesota	Chippewa Falls, WI	136 GWh	Dec 1916	Dec 2024	Water
Wheaton	Northern States Power Co - Minnesota	Eau Claire, WI	19 GWh	Dec 1972	Dec 2024	Natural Gas : 96.6% Distillate Fuel Oil : 3.4%
Trego	Northern States Power Co - Minnesota	Hayward, WI	7 GWh	Dec 1926	Dec 2024	Water
St Croix Falls	Northern States Power Co - Minnesota	St Croix Falls, WI	105 GWh	Dec 1909	Dec 2024	Water
Menomonie	Northern States Power Co - Minnesota	Menomonie, WI	24 GWh	Dec 1957	Dec 2024	Water
Jim Falls	Northern States Power Co - Minnesota	Jim Falls, WI	122 GWh	Jun 1988	Dec 2024	Water
Holcombe	Northern States Power Co - Minnesota	Holcombe, WI	93 GWh	Dec 1949	Dec 2024	Water
Dells	Northern States Power Co - Minnesota	Eau Claire, WI	42 GWh	Dec 1922	Dec 2024	Water
Chippewa Falls	Northern States Power Co - Minnesota	Chippewa Falls, WI	63 GWh	Dec 1927	Dec 2024	Water
Cedar Falls (WI)	Northern States Power Co - Minnesota	Menomonie, WI	34 GWh	Dec 1909	Dec 2024	Water
Arpin Dam	Renewable World Energies LLC	Radisson, WI	6 GWh	Aug 1971	Dec 2024	Water
Sycamore (WI)	Madison Gas & Electric Co	Madison, WI	19 MWh	Nov 1967	Dec 2024	Natural Gas
Blount Street	Madison Gas & Electric Co	Madison, WI	49 GWh	May 1957	Dec 2024	Natural Gas
Fitchburg	Madison Gas & Electric Co	Madison, WI	14 MWh	Apr 1973	Dec 2024	Natural Gas
White River (WI)	Northern States Power Co - Minnesota	Ashland, WI	4 GWh	Dec 1906	Dec 2024	Water
Thornapple	Northern States Power Co - Minnesota	Bruce, WI	8 GWh	Dec 1926	Dec 2024	Water
Ladysmith Dam	Northern States Power Co - Minnesota	Ladysmith, WI	11 GWh	Dec 1939	Dec 2024	Water
Miles City GT	Montana-Dakota Utilities Co	Miles City, MT	331 MWh	Apr 1972	Dec 2024	Natural Gas : 97.0% Distillate Fuel Oil : 3.0%
Benndale	Cooperative Energy	Benndale, MS	52 GWh	Sep 1969	Dec 2024	Natural Gas
Fairgrounds	Union Electric Co - (MO)	Jefferson City, MO	136 MWh	Jul 1974	Dec 2024	Distillate Fuel Oil
Croton	Consumers Energy Co - (MI)	Newaygo, MI	29 GWh	Dec 1906	Dec 2024	Water
Cooke	Consumers Energy Co - (MI)	Oscoda, MI	25 GWh	Dec 1910	Dec 2024	Water
Osage Dam	Union Electric Co - (MO)	Eldon, MO	497 GWh	Sep 1931	Dec 2024	Water
C W Tippy	Consumers Energy Co - (MI)	Wellston, MI	54 GWh	Dec 1917	Dec 2024	Water
Columbia (MO)	City of Columbia - (MO)	Columbia, MO	22 GWh	Dec 1956	Dec 2024	Landfill Gas : 63.9% Natural Gas : 36.1%

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#60	Alcoa Power Generating, Inc. - Yadkin Division	643.5 GWh	4
#27	Associated Electric Cooperative, Inc.	23.9 TWh	47
#13	Duke Energy Carolinas	111.6 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	34.2 TWh	25
#1	PJM Interconnection, LLC	872.9 TWh	2,465
#6	Southern Company Services, Inc. - Trans	249.9 TWh	417
#5	Southwest Power Pool	300.6 TWh	835
#51	Southwestern Power Administration	5.0 TWh	34
#9	Tennessee Valley Authority	161.0 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	872.9 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	656.9 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	484.7 TWh	1,313
#5	Southwest Power Pool	300.6 TWh	835
#6	Southern Company Services, Inc. - Trans	249.9 TWh	417
#7	California Independent System Operator	184.8 TWh	2,075
#9	Tennessee Valley Authority	161.0 TWh	204
#10	Florida Power & Light Co.	149.6 TWh	187
#12	New York Independent System Operator	132.6 TWh	1,211
#13	Duke Energy Carolinas	111.6 TWh	565