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	Apr 2026
Annual Generation	664.4 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 \| 36.9% Coal \| 27.6% Wind \| 14.8% Nuclear \| 13.6% Solar \| 5% Water \| 1.4% 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
Anheuser-Busch St Louis	Anheuser-Busch Inc	St. Louis, MO	40 GWh	Dec 1938	Feb 2026	Natural Gas : 93.3% Other Biomass Gas : 6.7%
Expander Turbine	Cleveland Cliffs	East Chicago, IN	87 GWh	Apr 1981	Feb 2026	Blast Furnace Gas
Boise Cascade International Falls	Boise White Paper LLC	International Falls, MN	333 GWh	Dec 1926	Feb 2026	Black Liquor : 63.6% Natural Gas : 22.2% Wood/Wood Waste Solids : 12.8% Sludge Waste : 1.3%
International Falls Power	Boise White Paper LLC	International Falls, MN	54 GWh	Dec 1923	Feb 2026	Water
Midland Cogeneration Venture	Midland Cogeneration Venture	Midland, MI	10 TWh	May 1989	Feb 2026	Natural Gas
Sabine River Operations	The Dow Chemical Company	Orange, TX	3 TWh	Dec 1947	Feb 2026	Natural Gas : 99.4% Other Gas : 0.6%
Archer Daniels Midland Clinton	Archer Daniels Midland Co	Clinton, IA	705 GWh	Jan 2009	Feb 2026	Subbituminous Coal : 87.9% Other Biomass Solids : 7.5% Bituminous Coal : 4.6%
Archer Daniels Midland Cedar Rapids	Archer Daniels Midland Co	Cedar Rapids, IA	981 GWh	Oct 1988	Feb 2026	Subbituminous Coal : 59.7% Natural Gas : 24.0% Bituminous Coal : 16.2%
Archer Daniels Midland Decatur	Archer Daniels Midland Co	Decatur, IL	908 GWh	Mar 1987	Feb 2026	Bituminous Coal : 61.6% Subbituminous Coal : 38.1%
University of Northern Iowa	University of Northern Iowa	Cedar Falls, IA	21 GWh	Oct 1982	Feb 2026	Natural Gas : 73.9% Petroleum Coke : 17.1% Bituminous Coal : 8.9%
Dow St Charles Operations	Dow Chemical Co - St Charles	Taft, LA	2 TWh	Nov 1996	Feb 2026	Natural Gas : 99.2% Other Gas : 0.8%
Purdue University	Purdue University	West Lafayette, IN	99 GWh	Dec 1968	Feb 2026	Natural Gas : 92.5% Bituminous Coal : 7.5%
Alpena Cement Plant	Lafarge Corp	Alpena, MI	181 GWh	Dec 1951	Feb 2026	Petroleum Coke : 86.1% Natural Gas : 13.9%
Georgia-Pacific Corp - Nekoosa Mill	Domtar Industries Inc	Nekoosa, WI	173 GWh	Dec 1911	Feb 2026	Black Liquor : 43.0% Natural Gas : 42.3% Water : 14.7%
Menominee Mill Marinette	Eagle Creek Renewable Energy, LLC	Menominee, MI	11 GWh	Dec 1923	Feb 2026	Water
University of Michigan	University of Michigan	Ann Arbor, MI	233 GWh	Dec 1974	Feb 2026	Natural Gas
PPG Riverside	Westlake 2 US LLC	Lake Charles, LA	76 GWh	Aug 1947	Feb 2026	Purchased Steam
PPG Powerhouse C	Westlake 2 US LLC	Lake Charles, LA	1 TWh	Jul 1977	Feb 2026	Natural Gas
Omega Hills Gas Recovery	WM Renewable Energy LLC	Germantown, WI	79 GWh	Nov 1985	Feb 2026	Landfill Gas
Mosinee Mill	Ahlstrom-Munksjo NA Specialty Solutions, LLC	Mosinee, WI	105 GWh	Jun 1916	Feb 2026	Black Liquor : 47.4% Natural Gas : 15.0% Water : 14.9% Bituminous Coal : 12.7% Wood/Wood Waste Solids : 6.6% Residual Fuel Oil : 1.9% Sludge Waste : 1.6%
ExxonMobil Beaumont Refinery	ExxonMobil Oil Corp	Beaumont, TX	4 TWh	Dec 1965	Feb 2026	Natural Gas : 96.7% Other Gas : 3.3%
Sappi Cloquet Mill	Sappi Cloquet LLC	Cloquet, MN	437 GWh	Dec 1928	Feb 2026	Black Liquor : 62.2% Wood/Wood Waste Solids : 18.0% Natural Gas : 15.5% Water : 3.3%
Gary Works	United States Steel-Gary	Gary, IN	1 TWh	Mar 1997	Feb 2026	Blast Furnace Gas : 54.5% Natural Gas : 45.5%
TES Filer City Station	TES Filer City Station LP	Filer City, MI	365 GWh	Apr 1990	Feb 2026	Bituminous Coal : 65.2% Natural Gas : 21.4% Wood/Wood Waste Solids : 13.4%
Kent County Waste to Energy Facility	Kent County	Grand Rapids, MI	98 GWh	Sep 1989	Feb 2026	Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.6%
Sagamore Plant Cogeneration	Tate & Lyle Ingredients Americas Inc	Lafayette, IN	20 GWh	Sep 1984	Feb 2026	Natural Gas
Rhinelander Mill	Ahlstrom-Munksjo	Rhinelander, WI	6 GWh	Nov 1917	Feb 2026	Water
Caterpillar	Caterpillar Inc	Lafayette, IN	19 GWh	Nov 1983	Feb 2026	Natural Gas
MU Combined Heat and Power Plant	Curators of the University of Missouri	Columbia, MO	203 GWh	Jun 1961	Feb 2026	Natural Gas : 76.9% Wood/Wood Waste Solids : 20.5% Bituminous Coal : 2.6%
Motiva Enterprises Port Arthur Refinery	Motiva Enterprises LLC	Port Arthur, TX	2 TWh	May 1957	Feb 2026	Natural Gas : 90.9% Other Gas : 9.1%
Mansfield Mill	IPC-Mansfield Mill	Mansfield, LA	882 GWh	Sep 1981	Feb 2026	Natural Gas : 53.5% Black Liquor : 32.9% Wood/Wood Waste Solids : 11.9% Tire-derived Fuels : 1.7%
Kaukauna Paper Mill	Thilmany LLC	Kaukauna, WI	99 GWh	Dec 1950	Feb 2026	Natural Gas : 52.6% Black Liquor : 47.4%
International Paper Vicksburg Mill	International Paper Co-Vicksbg	Vicksburg, MS	212 GWh	Dec 1966	Feb 2026	Black Liquor : 53.4% Natural Gas : 29.3% Wood/Wood Waste Solids : 17.3%
Port Edwards Mill	Domtar Industries Inc	Port Edwards, WI	38 GWh	Dec 1912	Feb 2026	Water
Iowa State University	Iowa State University	Ames, IA	79 GWh	Sep 1960	Feb 2026	Natural Gas : 97.9% Distillate Fuel Oil : 2.1%
Franklin Heating Station	Franklin Heating Station	Rochester, MN	63 GWh	Dec 1950	Feb 2026	Natural Gas : 83.3% Purchased Steam : 15.2% Distillate Fuel Oil : 1.5%
Saint Marys Hospital Power Plant	St Mary's Hospital	Rochester, MN	56 GWh	Dec 1970	Feb 2026	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
West Group Data Center	Ryan Companies US, Inc.	Eagan, MN	39 MWh	Apr 2005	Feb 2026	Distillate Fuel Oil
Goodyear Beaumont Chemical Plant	Goodyear Tire & Rubber Co	Beaumont, TX	252 GWh	Feb 1987	Feb 2026	Natural Gas : 98.3% Waste/Other Oil : 1.7%
John Deere Dubuque Works	John Deere Dubuque Works	Dubuque, IA	46 MWh	May 1994	Feb 2026	Distillate Fuel Oil
Gaylord Container Bogalusa	Temple-Inland Corp	Bogalusa, LA	461 GWh	May 1979	Feb 2026	Black Liquor : 56.4% Wood/Wood Waste Solids : 37.2% Natural Gas : 6.4%
Southern Minnesota Beet Sugar	Southern Minnesota Beet Sugar	Renville, MN	25 GWh	Aug 1976	Feb 2026	Subbituminous Coal : 70.6% Natural Gas : 28.8% Residual Fuel Oil : 0.6%
Warner Lambert	University of Michigan NCampus Research	Ann Arbor, MI	24 GWh	Jul 1989	Feb 2026	Natural Gas
Metro Methane Recovery Facility	WM Renewable Energy LLC	Mitchellville, IA	85 GWh	Dec 1997	Feb 2026	Landfill Gas
Alliant SBD 9201 Norplex	Industrial Energy Applications Inc	Postville, IA	39 MWh	Nov 1988	Feb 2026	Distillate Fuel Oil
Alliant SBD 9107 JBS USA	Industrial Energy Applications Inc	Marshalltown, IA	62 MWh	Jul 1992	Feb 2026	Distillate Fuel Oil
Hendricks Regional Health	Hendricks Regional Health	Danville, IN	17 MWh	Aug 1992	Feb 2026	Distillate Fuel Oil
MMSD Jones Island Wastewater	Milwaukee Metro Sewerage Dist	Milwaukee, WI	82 GWh	Dec 1970	Feb 2026	Natural Gas : 80.4% Landfill Gas : 18.6% Distillate Fuel Oil : 1.1%
Southwestern Bell Telephone	AT&T	St. Louis, MO	105 MWh	Jan 1992	Feb 2026	Distillate Fuel Oil
Pine Tree Acres	NextEra Renewable Fuels, LLC	Lenox Twp, MI	60 GWh	May 1998	Feb 2026	Landfill Gas
Westlake Plaquemine	Westlake Chemicals & Vinyls LLC	Plaquemine, LA	1 TWh	Apr 1997	Feb 2026	Natural Gas : 98.6% Other Gas : 1.4%
Heat Recovery Coke Facility	Cokenergy Inc	East Chicago, IN	414 GWh	Mar 1998	Feb 2026	Waste Heat
Pine Bluff Energy Center	Pine Bluff Energy LLC	Pine Bluff, AR	1 TWh	Jul 2001	Feb 2026	Natural Gas
Zeeland Generating Station	Consumers Energy Co - (MI)	Zeeland, MI	5 TWh	May 2001	Feb 2026	Natural Gas
Dearborn Industrial Generation	Dearborn Industrial Gen Inc	Dearborn, MI	4 TWh	May 1999	Feb 2026	Natural Gas : 95.2% Blast Furnace Gas : 4.8%
Taft Cogeneration Facility	Occidental Chemical Corporation	Hahnville, LA	6 TWh	Jun 2002	Feb 2026	Natural Gas : 98.3% Other Gas : 1.7%
RS Cogen	Westlake 2 US LLC	Lake Charles, LA	3 TWh	Nov 2002	Feb 2026	Natural Gas
Thomson Reuters Campus Bldg A-D	Thomson Corp	Eagan, MN	41 MWh	Mar 1999	Feb 2026	Distillate Fuel Oil
Acadia Energy Center	Cleco Power LLC	Eunice, LA	6 TWh	Jun 2002	Feb 2026	Natural Gas
Hinds Energy Facility	Entergy Mississippi LLC	Jackson, MS	2 TWh	Apr 2001	Feb 2026	Natural Gas
Attala	Entergy Mississippi LLC	Sallis, MS	2 TWh	Feb 2001	Feb 2026	Natural Gas
Montpelier Electric Generating Station	Kimura Power LLC	Poneto, IN	192 GWh	May 2001	Feb 2026	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Whiting Clean Energy	BP Alternative Energy	Whiting, IN	3 TWh	Mar 2002	Feb 2026	Natural Gas
Jackson Generating Station	Consumers Energy Co - (MI)	Jackson, MI	2 TWh	Jun 2002	Feb 2026	Natural Gas
Holland Energy Facility	NAES Corporation - (WA)	Beecher City, IL	2 TWh	Aug 2002	Feb 2026	Natural Gas
Jack Fusco Energy Center	Brazos Valley Energy	Thompsons, TX	4 TWh	Apr 2003	Feb 2026	Natural Gas
Cottonwood Energy Company LP	NRG Cottonwood Tenant LLC	Deweyville, TX	4 TWh	Jun 2003	Feb 2026	Natural Gas
Sugar Creek Power	Northern Indiana Pub Serv Co	West Terre Haute, IN	4 TWh	May 2002	Feb 2026	Natural Gas
Union Power Station	Entergy Arkansas LLC	El Dorado, AR	11 TWh	Dec 2002	Feb 2026	Natural Gas
RockGen Energy Center	Dairyland Power Coop	Cambridge, WI	518 GWh	May 2001	Feb 2026	Natural Gas : 97.8% Distillate Fuel Oil : 2.2%
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	Feb 2026	Natural Gas
Carville Energy LLC	Carville Energy LLC	St Gabriel, LA	3 TWh	May 2003	Feb 2026	Natural Gas
Hot Spring Generating Facility	Entergy Arkansas LLC	Malvern, AR	3 TWh	May 2002	Feb 2026	Natural Gas
Plaquemine Cogeneration Plant	Dow Chemical Co	Plaquemine, LA	6 TWh	Feb 2004	Feb 2026	Natural Gas : 97.4% Other Gas : 2.6%
Bayou Cove Peaking Power	Bayou Cove, LLC	Jennings, LA	138 GWh	Jun 2002	Feb 2026	Natural Gas
Ouachita	Entergy Louisiana LLC	Sterlington, LA	4 TWh	Jul 2002	Feb 2026	Natural Gas
Washington Parish Energy Center	Entergy Louisiana LLC	Bogalusa, LA	392 GWh	Oct 2020	Feb 2026	Natural Gas
Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	3 TWh	May 2004	Feb 2026	Natural Gas
Magnet Cove	Arkansas Electric Coop Corp	Malvern, AR	3 TWh	Jun 2005	Feb 2026	Natural Gas
Montfort Wind Energy Center	Wisconsin Electric Power Co	Montfort, WI	54 GWh	May 2002	Feb 2026	Wind
MNDOT Standby Generation	State of Minnesota Department of Administration	St. Paul, MN	52 MWh	Jun 1995	Feb 2026	Distillate Fuel Oil
Prairie State Generating Station	Prairie State Generating Co LLC	Marissa, IL	12 TWh	May 2012	Feb 2026	Bituminous Coal : 99.8%
Hancock County Wind Energy Center	FPL Energy Hancock County Wind, LLC	Garner, IA	251 GWh	Nov 2002	Feb 2026	Wind
Fox Energy Center	Wisconsin Public Service Corp	Wrightstown, WI	4 TWh	May 2005	Feb 2026	Natural Gas
Elm Road Generating Station	Wisconsin Electric Power Co	Oak Creek, WI	7 TWh	Jan 2010	Feb 2026	Subbituminous Coal : 80.6% Bituminous Coal : 16.4% Natural Gas : 3.0%
Diesel Generators	Madison Gas & Electric Co	Madison, WI	1 GWh	May 2001	Feb 2026	Distillate Fuel Oil
Central Michigan University	Central Michigan University	Mt. Pleasant, MI	29 GWh	Nov 1987	Feb 2026	Natural Gas
Cannon Falls Energy Center	Invenergy Services LLC	Cannon Falls, MN	895 GWh	Mar 2008	Feb 2026	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Kindred School	Kindred Public School	Kindred, ND	232 MWh	Sep 2001	Feb 2026	Distillate Fuel Oil
Valley Queen Cheese	Valley Queen Cheese Factory, Inc.	Milbank, SD	19 MWh	Mar 2002	Feb 2026	Distillate Fuel Oil
Blue Sky Green Field Wind Project	Wisconsin Electric Power Co	Fond du Lac, WI	324 GWh	Apr 2008	Feb 2026	Wind
Pomeroy Wind Farm	MidAmerican Energy Co	Fonda, IA	972 GWh	Nov 2007	Feb 2026	Wind
Fenton Wind Farm	EDF Renewable Asset Holdings, Inc.	Chandler, MN	382 GWh	Aug 2007	Feb 2026	Wind
Butler Ridge	Butler Ridge Wind Energy Center	Mayville, WI	142 GWh	Jan 2009	Feb 2026	Wind
Tatanka Wind Power LLC	Acciona Wind Energy USA LLC	Ashley, ND	436 GWh	Dec 2007	Feb 2026	Wind
Spiritwood Station	Great River Energy	Spiritwood, ND	198 GWh	Oct 2014	Feb 2026	Natural Gas : 52.8% Refined Coal : 47.2%
Buffalo Ridge I LLC	Avangrid Power LLC	Elkton, SD	96 GWh	Mar 2009	Feb 2026	Wind
Pioneer Prairie Wind Farm	Pioneer Prairie Wind Farm I, LLC	McIntire, IA	840 GWh	Sep 2008	Feb 2026	Wind
Osceola Windpower II	Osceola Windpower II	Harris, IA	193 GWh	Aug 2008	Feb 2026	Wind
FPL Energy Crystal Lake Wind LLC	FPL Energy Crystal Lake Wind LLC	Britt, IA	573 GWh	Nov 2008	Feb 2026	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#60	Alcoa Power Generating, Inc. - Yadkin Division	582.3 GWh	4
#27	Associated Electric Cooperative, Inc.	23.9 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.4 TWh	10
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.0 TWh	25
#1	PJM Interconnection, LLC	881.5 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	302.9 TWh	835
#51	Southwestern Power Administration	4.6 TWh	34
#9	Tennessee Valley Authority	163.1 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	881.5 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	664.4 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	488.2 TWh	1,313
#5	Southwest Power Pool	302.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	176.8 TWh	2,075
#9	Tennessee Valley Authority	163.1 TWh	204
#10	Florida Power & Light Co.	150.9 TWh	187
#12	New York Independent System Operator	134.4 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565