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	Mar 2026
Annual Generation	659.4 TWh
Power Plants	2,831
Utilities	1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 54 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 36.2% Coal \| 28.4% Wind \| 14.7% Nuclear \| 13.9% Solar \| 4.8% Water \| 1.5% Other Fuel \| 0.5%

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

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Moselle	Cooperative Energy	Moselle, MS	2 TWh	Jul 1970	Dec 2025	Natural Gas
Labadie	Union Electric Co - (MO)	Labadie, MO	17 TWh	May 1970	Dec 2025	Subbituminous Coal : 99.9%
Sioux	Union Electric Co - (MO)	West Alton, MO	4 TWh	Apr 1967	Dec 2025	Subbituminous Coal : 75.2% Bituminous Coal : 24.7%
R M Heskett	Montana-Dakota Utilities Co	Mandan, ND	56 GWh	Oct 1954	Dec 2025	Natural Gas
Milton R Young	Minnkota Power Coop, Inc	Center, ND	4 TWh	Sep 1970	Dec 2025	Lignite Coal : 99.8%
Lewis Creek	Entergy Texas Inc.	Willis, TX	2 TWh	Nov 1970	Dec 2025	Natural Gas
Sabine	Entergy Texas Inc.	Orange, TX	3 TWh	Dec 1961	Dec 2025	Natural Gas
French Island	Northern States Power Co - Minnesota	La Cross, WI	59 GWh	Dec 1939	Dec 2025	Wood/Wood Waste Solids : 48.5% Non-biogenic Municipal Solid Waste : 28.0% Biogenic Municipal Solid Waste : 22.9%
Port Washington Generating Station	Wisconsin Electric Power Co	Port Washington, WI	7 TWh	Jun 2005	Dec 2025	Natural Gas
South Oak Creek	Wisconsin Electric Power Co	Oak Creek, WI	2 TWh	Nov 1959	Dec 2025	Subbituminous Coal : 99.6%
Valley (WI)	Wisconsin Electric Power Co	Milwaukee, WI	370 GWh	May 1968	Dec 2025	Natural Gas
Point Beach Nuclear Plant	NextEra Energy Point Beach LLC	Two Rivers, WI	10 TWh	May 1969	Dec 2025	Nuclear
Edgewater	Wisconsin Power & Light Co	Sheboygan, WI	2 TWh	Jun 1951	Dec 2025	Subbituminous Coal : 99.9%
Pulliam	Wisconsin Public Service Corp	Green Bay, WI	110 GWh	Aug 1949	Dec 2025	Natural Gas
Weston	Wisconsin Public Service Corp	Rothschild, WI	5 TWh	Nov 1954	Dec 2025	Subbituminous Coal : 99.4% Natural Gas : 0.6%
New Badger	City of Kaukauna	Kaukauna, WI	44 GWh	Dec 2013	Dec 2025	Water
Manitowoc	Manitowoc Public Utilities	Manitowoc, WI	178 GWh	May 1955	Dec 2025	Wood/Wood Waste Solids : 90.5% Petroleum Coke : 5.3% Bituminous Coal : 3.9%
Waterford 3	Entergy Louisiana LLC	Killona, LA	8 TWh	Aug 1985	Dec 2025	Nuclear
John P Madgett	Dairyland Power Coop	Alma, WI	1 TWh	Oct 1979	Dec 2025	Subbituminous Coal : 99.7%
White Bluff	Entergy Arkansas LLC	Redfield, AR	4 TWh	Jul 1980	Dec 2025	Subbituminous Coal : 99.5%
Newton	Illinois Power Generating Co	Newton, IL	4 TWh	Oct 1977	Dec 2025	Subbituminous Coal : 99.9%
Coal Creek	Rainbow Energy Center	Underwood, ND	8 TWh	May 1979	Dec 2025	Refined Coal : 99.9%
Belle River	DTE Electric Company	China Twp, MI	6 TWh	Oct 1981	Dec 2025	Subbituminous Coal : 93.1% Natural Gas : 6.5%
Greenwood (MI)	DTE Electric Company	Avoca, MI	1 TWh	Jun 1979	Dec 2025	Natural Gas
Big Cajun 2	Louisiana Generating LLC	New Roads, LA	3 TWh	Jun 1981	Dec 2025	Subbituminous Coal : 74.3% Natural Gas : 25.7%
R D Morrow	Cooperative Energy	Purvis, MS	3 TWh	Mar 1978	Dec 2025	Natural Gas
Grand Gulf	System Energy Resources, Inc	Port Gibson, MS	11 TWh	Jun 1985	Dec 2025	Nuclear
R M Schahfer	Northern Indiana Pub Serv Co	Wheatfield, IN	1 TWh	Nov 1976	Dec 2025	Bituminous Coal : 94.0% Natural Gas : 6.0%
Lewis & Clark	Montana-Dakota Utilities Co	Richland, MT	10 GWh	Sep 1958	Dec 2025	Natural Gas
Sherburne County	Northern States Power Co - Minnesota	Becker, MN	7 TWh	Mar 1976	Dec 2025	Subbituminous Coal : 99.8%
Big Stone	Otter Tail Power Co	Big Stone City, SD	2 TWh	Apr 1975	Dec 2025	Subbituminous Coal : 99.8%
Gibson	Duke Energy Indiana, LLC	Owensville, IN	11 TWh	Mar 1975	Dec 2025	Bituminous Coal : 99.6%
A B Brown	Southern Indiana Gas & Elec Co	Mount Vernon, IN	497 GWh	Feb 1979	Dec 2025	Natural Gas
Callaway	Union Electric Co - (MO)	Fulton, MO	7 TWh	Nov 1984	Dec 2025	Nuclear
Brame Energy Center	Cleco Power LLC	Lena, LA	3 TWh	May 1975	Dec 2025	Subbituminous Coal : 46.8% Natural Gas : 31.0% Petroleum Coke : 15.9% Bituminous Coal : 6.4%
Merom	Hallador Power Company, LLC	Sullivan, IN	5 TWh	Jan 1982	Dec 2025	Bituminous Coal : 99.7%
Ottumwa	Interstate Power and Light Co	Ottumwa, IA	3 TWh	Apr 1981	Dec 2025	Subbituminous Coal : 99.7%
River Bend	Entergy Louisiana LLC	St. Francisville, LA	7 TWh	May 1986	Dec 2025	Nuclear
R D Green	Big Rivers Electric Corp	Robards, KY	713 GWh	Nov 1979	Dec 2025	Natural Gas
Independence Steam Electric Station	Entergy Arkansas LLC	Newark, AR	7 TWh	Dec 1982	Dec 2025	Subbituminous Coal : 99.8%
Louisa	MidAmerican Energy Co	Muscatine, IA	5 TWh	Sep 1983	Dec 2025	Subbituminous Coal : 99.4% Natural Gas : 0.6%
Warrick	AGC Division of APGI Inc	Newburgh, IN	3 TWh	Mar 1960	Dec 2025	Bituminous Coal : 98.3% Natural Gas : 1.7%
D B Wilson	Big Rivers Electric Corp	Centertown, KY	2 TWh	Aug 1984	Dec 2025	Bituminous Coal : 99.3% Distillate Fuel Oil : 0.7%
George Neal South	MidAmerican Energy Co	Salix, IA	2 TWh	Jun 1979	Dec 2025	Subbituminous Coal : 99.0% Distillate Fuel Oil : 1.0%
State Farm	State Farm Insurance	Bloomington, IL	26 MWh	Sep 1996	Dec 2025	Distillate Fuel Oil
Columbia (WI)	Wisconsin Power & Light Co	Pardeville, WI	6 TWh	Apr 1975	Dec 2025	Subbituminous Coal : 99.9%
Emery Station	Interstate Power and Light Co	Clear Lake, IA	2 TWh	Apr 2004	Dec 2025	Natural Gas
Arkansas Nuclear One	Entergy Arkansas LLC	Russellville, AR	15 TWh	Nov 1974	Dec 2025	Nuclear
Coyote	Otter Tail Power Co	Beulah, ND	2 TWh	Apr 1981	Dec 2025	Lignite Coal : 99.7%
Covanta Hennepin Energy	Covanta Energy Co	Minneapolis, MN	169 GWh	Sep 1989	Dec 2025	Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8%
CF Industries Yazoo City Complex	CF Industries Nitrogen LLC	Yazoo City, MS	140 GWh	Jun 1984	Dec 2025	Natural Gas
Mosaic Phosphates Uncle Sam	Mosaic Phosphates Co.	Uncle Sam, LA	77 GWh	Dec 1967	Dec 2025	Waste Heat
Escanaba Mill	Billerud Escanaba LLC	Escanaba, MI	466 GWh	Dec 1968	Dec 2025	Black Liquor : 45.4% Natural Gas : 30.9% Wood/Wood Waste Solids : 22.9% Residual Fuel Oil : 0.7%
T B Simon Power Plant	Michigan State University	East Lansing, MI	251 GWh	Nov 1965	Dec 2025	Natural Gas
Consumer Operations LLC	Georgia-Pacific Consumer Oper. Green Bay LLC	Green Bay, WI	225 GWh	Dec 1953	Dec 2025	Natural Gas
Anheuser-Busch St Louis	Anheuser-Busch Inc	St. Louis, MO	42 GWh	Dec 1938	Dec 2025	Natural Gas : 93.5% Other Biomass Gas : 6.5%
Expander Turbine	Cleveland Cliffs	East Chicago, IN	85 GWh	Apr 1981	Dec 2025	Blast Furnace Gas
Boise Cascade International Falls	Boise White Paper LLC	International Falls, MN	336 GWh	Dec 1926	Dec 2025	Black Liquor : 63.8% Natural Gas : 22.2% Wood/Wood Waste Solids : 12.7% Sludge Waste : 1.3%
International Falls Power	Boise White Paper LLC	International Falls, MN	48 GWh	Dec 1923	Dec 2025	Water
Midland Cogeneration Venture	Midland Cogeneration Venture	Midland, MI	10 TWh	May 1989	Dec 2025	Natural Gas
Sabine River Operations	The Dow Chemical Company	Orange, TX	3 TWh	Dec 1947	Dec 2025	Natural Gas : 99.4% Other Gas : 0.6%
Archer Daniels Midland Clinton	Archer Daniels Midland Co	Clinton, IA	716 GWh	Jan 2009	Dec 2025	Subbituminous Coal : 88.3% Other Biomass Solids : 7.7% Bituminous Coal : 4.0%
Archer Daniels Midland Cedar Rapids	Archer Daniels Midland Co	Cedar Rapids, IA	990 GWh	Oct 1988	Dec 2025	Subbituminous Coal : 60.4% Natural Gas : 24.6% Bituminous Coal : 15.0%
Archer Daniels Midland Decatur	Archer Daniels Midland Co	Decatur, IL	901 GWh	Mar 1987	Dec 2025	Bituminous Coal : 61.1% Subbituminous Coal : 38.6%
University of Northern Iowa	University of Northern Iowa	Cedar Falls, IA	21 GWh	Oct 1982	Dec 2025	Natural Gas : 72.3% Petroleum Coke : 18.0% Bituminous Coal : 9.6%
Dow St Charles Operations	Dow Chemical Co - St Charles	Taft, LA	2 TWh	Nov 1996	Dec 2025	Natural Gas : 99.2% Other Gas : 0.8%
Purdue University	Purdue University	West Lafayette, IN	93 GWh	Dec 1968	Dec 2025	Natural Gas : 91.8% Bituminous Coal : 8.2%
Alpena Cement Plant	Lafarge Corp	Alpena, MI	175 GWh	Dec 1951	Dec 2025	Petroleum Coke : 85.0% Natural Gas : 15.0%
Georgia-Pacific Corp - Nekoosa Mill	Domtar Industries Inc	Nekoosa, WI	179 GWh	Dec 1911	Dec 2025	Black Liquor : 43.4% Natural Gas : 42.5% Water : 14.1%
Menominee Mill Marinette	Eagle Creek Renewable Energy, LLC	Menominee, MI	11 GWh	Dec 1923	Dec 2025	Water
University of Michigan	University of Michigan	Ann Arbor, MI	213 GWh	Dec 1974	Dec 2025	Natural Gas
PPG Riverside	Westlake 2 US LLC	Lake Charles, LA	42 GWh	Aug 1947	Dec 2025	Purchased Steam
PPG Powerhouse C	Westlake 2 US LLC	Lake Charles, LA	2 TWh	Jul 1977	Dec 2025	Natural Gas
Omega Hills Gas Recovery	WM Renewable Energy LLC	Germantown, WI	79 GWh	Nov 1985	Dec 2025	Landfill Gas
Mosinee Mill	Ahlstrom-Munksjo NA Specialty Solutions, LLC	Mosinee, WI	118 GWh	Jun 1916	Dec 2025	Black Liquor : 51.4% Bituminous Coal : 14.4% Water : 12.5% Natural Gas : 12.1% Wood/Wood Waste Solids : 6.3% Residual Fuel Oil : 1.7% Sludge Waste : 1.6%
ExxonMobil Beaumont Refinery	ExxonMobil Oil Corp	Beaumont, TX	4 TWh	Dec 1965	Dec 2025	Natural Gas : 96.8% Other Gas : 3.2%
Sappi Cloquet Mill	Sappi Cloquet LLC	Cloquet, MN	443 GWh	Dec 1928	Dec 2025	Black Liquor : 63.5% Wood/Wood Waste Solids : 17.9% Natural Gas : 14.2% Water : 3.6%
Gary Works	United States Steel-Gary	Gary, IN	950 GWh	Mar 1997	Dec 2025	Blast Furnace Gas : 53.1% Natural Gas : 46.9%
TES Filer City Station	TES Filer City Station LP	Filer City, MI	351 GWh	Apr 1990	Dec 2025	Bituminous Coal : 64.8% Natural Gas : 21.1% Wood/Wood Waste Solids : 14.1%
Kent County Waste to Energy Facility	Kent County	Grand Rapids, MI	100 GWh	Sep 1989	Dec 2025	Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8%
Sagamore Plant Cogeneration	Tate & Lyle Ingredients Americas Inc	Lafayette, IN	21 GWh	Sep 1984	Dec 2025	Natural Gas
Rhinelander Mill	Ahlstrom-Munksjo	Rhinelander, WI	6 GWh	Nov 1917	Dec 2025	Water
Caterpillar	Caterpillar Inc	Lafayette, IN	21 GWh	Nov 1983	Dec 2025	Natural Gas
MU Combined Heat and Power Plant	Curators of the University of Missouri	Columbia, MO	205 GWh	Jun 1961	Dec 2025	Natural Gas : 76.4% Wood/Wood Waste Solids : 21.1% Bituminous Coal : 2.5%
Motiva Enterprises Port Arthur Refinery	Motiva Enterprises LLC	Port Arthur, TX	2 TWh	May 1957	Dec 2025	Natural Gas : 91.2% Other Gas : 8.8%
Mansfield Mill	IPC-Mansfield Mill	Mansfield, LA	859 GWh	Sep 1981	Dec 2025	Natural Gas : 54.1% Black Liquor : 32.5% Wood/Wood Waste Solids : 11.7% Tire-derived Fuels : 1.7%
Kaukauna Paper Mill	Thilmany LLC	Kaukauna, WI	101 GWh	Dec 1950	Dec 2025	Natural Gas : 53.4% Black Liquor : 46.6%
International Paper Vicksburg Mill	International Paper Co-Vicksbg	Vicksburg, MS	227 GWh	Dec 1966	Dec 2025	Black Liquor : 53.2% Natural Gas : 28.7% Wood/Wood Waste Solids : 18.1%
Port Edwards Mill	Domtar Industries Inc	Port Edwards, WI	37 GWh	Dec 1912	Dec 2025	Water
Iowa State University	Iowa State University	Ames, IA	81 GWh	Sep 1960	Dec 2025	Natural Gas
Franklin Heating Station	Franklin Heating Station	Rochester, MN	65 GWh	Dec 1950	Dec 2025	Natural Gas : 82.5% Purchased Steam : 16.2% Distillate Fuel Oil : 1.3%
Saint Marys Hospital Power Plant	St Mary's Hospital	Rochester, MN	56 GWh	Dec 1970	Dec 2025	Natural Gas : 99.5% Distillate Fuel Oil : 0.5%
West Group Data Center	Ryan Companies US, Inc.	Eagan, MN	40 MWh	Apr 2005	Dec 2025	Distillate Fuel Oil
Goodyear Beaumont Chemical Plant	Goodyear Tire & Rubber Co	Beaumont, TX	259 GWh	Feb 1987	Dec 2025	Natural Gas : 98.4% Waste/Other Oil : 1.6%
John Deere Dubuque Works	John Deere Dubuque Works	Dubuque, IA	46 MWh	May 1994	Dec 2025	Distillate Fuel Oil
Gaylord Container Bogalusa	Temple-Inland Corp	Bogalusa, LA	450 GWh	May 1979	Dec 2025	Black Liquor : 56.0% Wood/Wood Waste Solids : 37.3% Natural Gas : 6.7%
Southern Minnesota Beet Sugar	Southern Minnesota Beet Sugar	Renville, MN	26 GWh	Aug 1976	Dec 2025	Subbituminous Coal : 69.9% Natural Gas : 29.6%
Warner Lambert	University of Michigan NCampus Research	Ann Arbor, MI	24 GWh	Jul 1989	Dec 2025	Natural Gas
Metro Methane Recovery Facility	WM Renewable Energy LLC	Mitchellville, IA	83 GWh	Dec 1997	Dec 2025	Landfill Gas
Alliant SBD 9201 Norplex	Industrial Energy Applications Inc	Postville, IA	39 MWh	Nov 1988	Dec 2025	Distillate Fuel Oil

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#60	Alcoa Power Generating, Inc. - Yadkin Division	610.0 GWh	4
#27	Associated Electric Cooperative, Inc.	24.1 TWh	47
#13	Duke Energy Carolinas	112.4 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.3 TWh	25
#1	PJM Interconnection, LLC	879.0 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	300.1 TWh	835
#51	Southwestern Power Administration	4.8 TWh	34
#9	Tennessee Valley Authority	162.4 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	879.0 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	659.4 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	484.9 TWh	1,313
#5	Southwest Power Pool	300.1 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	179.9 TWh	2,075
#9	Tennessee Valley Authority	162.4 TWh	204
#10	Florida Power & Light Co.	150.5 TWh	187
#12	New York Independent System Operator	134.0 TWh	1,211
#13	Duke Energy Carolinas	112.4 TWh	565