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	Nov 2025
Annual Generation	655.1 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 \| 35.7% Coal \| 29% Wind \| 14.9% Nuclear \| 13.9% Solar \| 4.5% 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
Crocker Wind Farm	Crocker Wind Farm, LLC	Conde, SD	767 GWh	Oct 2019	Sep 2025	Wind
St. Charles Power Station (LA)	Entergy Louisiana LLC	La Place, LA	6 TWh	Apr 2019	Sep 2025	Natural Gas
Porter Way Community Solar Garden	AEP Onsite Partners, LLC	Waconia, MN	5 GWh	Jan 2018	Sep 2025	Solar
Oliver Wind III, LLC	Oliver Wind III, LLC	Mandan, ND	381 GWh	Dec 2016	Sep 2025	Wind
Whistling Winds DPC Solar	SoCore Energy LLC	New Lisbon, WI	2 GWh	May 2017	Sep 2025	Solar
Medford DPC Solar	SoCore Energy LLC	Medford, WI	3 GWh	Jan 2017	Sep 2025	Solar
Mt. Hope DPC Solar	SoCore Energy LLC	Mt. Hope, WI	2 GWh	Dec 2016	Sep 2025	Solar
Downsville DPC Solar	SoCore Energy LLC	Menomonee, WI	2 GWh	Jan 2017	Sep 2025	Solar
Liberty Pole DPC Solar	SoCore Energy LLC	Viroqua, WI	2 GWh	Apr 2017	Sep 2025	Solar
Warren DPC Solar	SoCore Energy LLC	Roberts, WI	4 GWh	Apr 2017	Sep 2025	Solar
Red Pine Wind Project	EDF Renewable Asset Holdings, Inc.	Ivanhoe, MN	739 GWh	Nov 2017	Sep 2025	Wind
Astoria Station	Otter Tail Power Co	Astoria, SD	459 GWh	Mar 2021	Sep 2025	Natural Gas
Upland Prairie	Interstate Power and Light Co	Spencer, IA	1 TWh	Feb 2019	Sep 2025	Wind
Harvest Ridge Wind Farm	Harvest Ridge Wind Farm	Newman, IL	678 GWh	Jun 2020	Sep 2025	Wind
English Farms	Interstate Power and Light Co	Montezuma, IA	574 GWh	Feb 2019	Sep 2025	Wind
Deerfield Wind Energy, LLC	Deerfield Wind Energy, LLC	Kinde, MI	485 GWh	Jan 2017	Sep 2025	Wind
Prairie Wind Farm	MidAmerican Energy Co	Montezuma, IA	586 GWh	Dec 2017	Sep 2025	Wind
FPL Energy Crystal Lake Wind LLC	FPL Energy Crystal Lake Wind LLC	Britt, IA	577 GWh	Nov 2008	Sep 2025	Wind
Attala	Entergy Mississippi LLC	Sallis, MS	2 TWh	Feb 2001	Sep 2025	Natural Gas
Hinds Energy Facility	Entergy Mississippi LLC	Jackson, MS	3 TWh	Apr 2001	Sep 2025	Natural Gas
Montpelier Electric Generating Station	Kimura Power LLC	Poneto, IN	111 GWh	May 2001	Sep 2025	Natural Gas
Acadia Energy Center	Cleco Power LLC	Eunice, LA	6 TWh	Jun 2002	Sep 2025	Natural Gas
Whiting Clean Energy	BP Alternative Energy	Whiting, IN	3 TWh	Mar 2002	Sep 2025	Natural Gas
Thomson Reuters Campus Bldg A-D	Thomson Corp	Eagan, MN	5 GWh	Mar 1999	Sep 2025	Distillate Fuel Oil
Jackson Generating Station	Consumers Energy Co - (MI)	Jackson, MI	2 TWh	Jun 2002	Sep 2025	Natural Gas
RS Cogen	Westlake 2 US LLC	Lake Charles, LA	3 TWh	Nov 2002	Sep 2025	Natural Gas
Holland Energy Facility	NAES Corporation - (WA)	Beecher City, IL	1 TWh	Aug 2002	Sep 2025	Natural Gas
Taft Cogeneration Facility	Occidental Chemical Corporation	Hahnville, LA	5 TWh	Jun 2002	Sep 2025	Natural Gas : 98.8% Other Gas : 1.2%
Dearborn Industrial Generation	Dearborn Industrial Gen Inc	Dearborn, MI	4 TWh	May 1999	Sep 2025	Natural Gas : 86.3% Blast Furnace Gas : 13.7%
Zeeland Generating Station	Consumers Energy Co - (MI)	Zeeland, MI	5 TWh	May 2001	Sep 2025	Natural Gas
Pine Bluff Energy Center	Pine Bluff Energy LLC	Pine Bluff, AR	827 GWh	Jul 2001	Sep 2025	Natural Gas
Heat Recovery Coke Facility	Cokenergy Inc	East Chicago, IN	438 GWh	Mar 1998	Sep 2025	Waste Heat
Westlake Plaquemine	Westlake Chemicals & Vinyls LLC	Plaquemine, LA	2 TWh	Apr 1997	Sep 2025	Natural Gas : 98.5% Other Gas : 1.5%
Whitewater Generating Station	Wisconsin Electric Power Co	Whitewater, WI	863 GWh	Aug 1997	Sep 2025	Natural Gas
Jack Fusco Energy Center	Brazos Valley Energy	Thompsons, TX	3 TWh	Apr 2003	Sep 2025	Natural Gas
Cottonwood Energy Company LP	NRG Cottonwood Tenant LLC	Deweyville, TX	5 TWh	Jun 2003	Sep 2025	Natural Gas
Pine Tree Acres	NextEra Renewable Fuels, LLC	Lenox Twp, MI	63 GWh	May 1998	Sep 2025	Landfill Gas
Sugar Creek Power	Northern Indiana Pub Serv Co	West Terre Haute, IN	4 TWh	May 2002	Sep 2025	Natural Gas
Union Power Station	Entergy Arkansas LLC	El Dorado, AR	9 TWh	Dec 2002	Sep 2025	Natural Gas
RockGen Energy Center	Dairyland Power Coop	Cambridge, WI	510 GWh	May 2001	Sep 2025	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	Sep 2025	Natural Gas
Carville Energy LLC	Carville Energy LLC	St Gabriel, LA	3 TWh	May 2003	Sep 2025	Natural Gas
Hot Spring Generating Facility	Entergy Arkansas LLC	Malvern, AR	3 TWh	May 2002	Sep 2025	Natural Gas
Plaquemine Cogeneration Plant	Dow Chemical Co	Plaquemine, LA	5 TWh	Feb 2004	Sep 2025	Natural Gas : 97.9% Other Gas : 2.1%
Bayou Cove Peaking Power	Bayou Cove, LLC	Jennings, LA	143 GWh	Jun 2002	Sep 2025	Natural Gas
MMSD Jones Island Wastewater	Milwaukee Metro Sewerage Dist	Milwaukee, WI	74 GWh	Dec 1970	Sep 2025	Natural Gas : 79.4% Landfill Gas : 19.3% Distillate Fuel Oil : 1.3%
Ouachita	Entergy Louisiana LLC	Sterlington, LA	4 TWh	Jul 2002	Sep 2025	Natural Gas
Washington Parish Energy Center	Entergy Louisiana LLC	Bogalusa, LA	394 GWh	Oct 2020	Sep 2025	Natural Gas
Hendricks Regional Health	Hendricks Regional Health	Danville, IN	23 MWh	Aug 1992	Sep 2025	Distillate Fuel Oil
Alliant SBD 9107 JBS USA	Industrial Energy Applications Inc	Marshalltown, IA	62 MWh	Jul 1992	Sep 2025	Distillate Fuel Oil
Alliant SBD 9201 Norplex	Industrial Energy Applications Inc	Postville, IA	40 MWh	Nov 1988	Sep 2025	Distillate Fuel Oil
Metro Methane Recovery Facility	WM Renewable Energy LLC	Mitchellville, IA	80 GWh	Dec 1997	Sep 2025	Landfill Gas
Warner Lambert	University of Michigan NCampus Research	Ann Arbor, MI	24 GWh	Jul 1989	Sep 2025	Natural Gas
Southern Minnesota Beet Sugar	Southern Minnesota Beet Sugar	Renville, MN	24 GWh	Aug 1976	Sep 2025	Subbituminous Coal : 70.9% Natural Gas : 28.5% Residual Fuel Oil : 0.6%
Gaylord Container Bogalusa	Temple-Inland Corp	Bogalusa, LA	439 GWh	May 1979	Sep 2025	Black Liquor : 55.5% Wood/Wood Waste Solids : 37.5% Natural Gas : 7.0%
Perryville Power Station	Entergy Louisiana LLC	Sterlington, LA	4 TWh	May 2001	Sep 2025	Natural Gas
Goodyear Beaumont Chemical Plant	Goodyear Tire & Rubber Co	Beaumont, TX	271 GWh	Feb 1987	Sep 2025	Natural Gas : 98.5% Waste/Other Oil : 1.5%
West Group Data Center	Ryan Companies US, Inc.	Eagan, MN	36 MWh	Apr 2005	Sep 2025	Distillate Fuel Oil
Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	3 TWh	May 2004	Sep 2025	Natural Gas
Saint Marys Hospital Power Plant	St Mary's Hospital	Rochester, MN	57 GWh	Dec 1970	Sep 2025	Natural Gas : 99.4% Distillate Fuel Oil : 0.6%
Franklin Heating Station	Franklin Heating Station	Rochester, MN	67 GWh	Dec 1950	Sep 2025	Natural Gas : 79.1% Purchased Steam : 19.3% Distillate Fuel Oil : 1.6%
Magnet Cove	Arkansas Electric Coop Corp	Malvern, AR	4 TWh	Jun 2005	Sep 2025	Natural Gas
Montfort Wind Energy Center	Wisconsin Electric Power Co	Montfort, WI	56 GWh	May 2002	Sep 2025	Wind
Iowa State University	Iowa State University	Ames, IA	81 GWh	Sep 1960	Sep 2025	Natural Gas
Port Edwards Mill	Domtar Industries Inc	Port Edwards, WI	39 GWh	Dec 1912	Sep 2025	Water
International Paper Vicksburg Mill	International Paper Co-Vicksbg	Vicksburg, MS	233 GWh	Dec 1966	Sep 2025	Black Liquor : 52.7% Natural Gas : 28.5% Wood/Wood Waste Solids : 18.8%
Kaukauna Paper Mill	Thilmany LLC	Kaukauna, WI	107 GWh	Dec 1950	Sep 2025	Natural Gas : 54.2% Black Liquor : 45.8%
Mansfield Mill	IPC-Mansfield Mill	Mansfield, LA	811 GWh	Sep 1981	Sep 2025	Natural Gas : 55.4% Black Liquor : 30.8% Wood/Wood Waste Solids : 11.8% Tire-derived Fuels : 2.0%
Motiva Enterprises Port Arthur Refinery	Motiva Enterprises LLC	Port Arthur, TX	2 TWh	May 1957	Sep 2025	Natural Gas : 90.8% Other Gas : 9.2%
MU Combined Heat and Power Plant	Curators of the University of Missouri	Columbia, MO	196 GWh	Jun 1961	Sep 2025	Natural Gas : 73.6% Wood/Wood Waste Solids : 23.7% Bituminous Coal : 2.6%
Caterpillar	Caterpillar Inc	Lafayette, IN	23 GWh	Nov 1983	Sep 2025	Natural Gas
Rhinelander Mill	Ahlstrom-Munksjo	Rhinelander, WI	6 GWh	Nov 1917	Sep 2025	Water
Sagamore Plant Cogeneration	Tate & Lyle Ingredients Americas Inc	Lafayette, IN	17 GWh	Sep 1984	Sep 2025	Natural Gas
Kent County Waste to Energy Facility	Kent County	Grand Rapids, MI	100 GWh	Sep 1989	Sep 2025	Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8%
TES Filer City Station	TES Filer City Station LP	Filer City, MI	316 GWh	Apr 1990	Sep 2025	Bituminous Coal : 64.6% Natural Gas : 21.3% Wood/Wood Waste Solids : 14.1%
Prairie State Generating Station	Prairie State Generating Co LLC	Marissa, IL	11 TWh	May 2012	Sep 2025	Bituminous Coal : 99.8%
Gary Works	United States Steel-Gary	Gary, IN	784 GWh	Mar 1997	Sep 2025	Blast Furnace Gas : 51.3% Natural Gas : 48.6%
Sappi Cloquet Mill	Sappi Cloquet LLC	Cloquet, MN	448 GWh	Dec 1928	Sep 2025	Black Liquor : 64.5% Wood/Wood Waste Solids : 17.7% Natural Gas : 13.6% Water : 3.5%
ExxonMobil Beaumont Refinery	ExxonMobil Oil Corp	Beaumont, TX	4 TWh	Dec 1965	Sep 2025	Natural Gas : 96.9% Other Gas : 3.1%
Mosinee Mill	Ahlstrom-Munksjo NA Specialty Solutions, LLC	Mosinee, WI	118 GWh	Jun 1916	Sep 2025	Black Liquor : 50.7% Bituminous Coal : 21.8% Water : 13.6% Wood/Wood Waste Solids : 6.1% Natural Gas : 3.7% Residual Fuel Oil : 2.3% Sludge Waste : 1.8%
Omega Hills Gas Recovery	WM Renewable Energy LLC	Germantown, WI	80 GWh	Nov 1985	Sep 2025	Landfill Gas
Hancock County Wind Energy Center	FPL Energy Hancock County Wind, LLC	Garner, IA	252 GWh	Nov 2002	Sep 2025	Wind
Fox Energy Center	Wisconsin Public Service Corp	Wrightstown, WI	4 TWh	May 2005	Sep 2025	Natural Gas
PPG Powerhouse C	Westlake 2 US LLC	Lake Charles, LA	2 TWh	Jul 1977	Sep 2025	Natural Gas : 99.5%
Elm Road Generating Station	Wisconsin Electric Power Co	Oak Creek, WI	7 TWh	Jan 2010	Sep 2025	Subbituminous Coal : 79.7% Bituminous Coal : 17.0% Natural Gas : 3.3%
Diesel Generators	Madison Gas & Electric Co	Madison, WI	860 MWh	May 2001	Sep 2025	Distillate Fuel Oil
University of Michigan	University of Michigan	Ann Arbor, MI	209 GWh	Dec 1974	Sep 2025	Natural Gas
Menominee Mill Marinette	Eagle Creek Renewable Energy, LLC	Menominee, MI	12 GWh	Dec 1923	Sep 2025	Water
Georgia-Pacific Corp - Nekoosa Mill	Domtar Industries Inc	Nekoosa, WI	186 GWh	Dec 1911	Sep 2025	Black Liquor : 43.1% Natural Gas : 42.5% Water : 14.4%
Alpena Cement Plant	Lafarge Corp	Alpena, MI	177 GWh	Dec 1951	Sep 2025	Petroleum Coke : 83.7% Natural Gas : 16.3%
Purdue University	Purdue University	West Lafayette, IN	84 GWh	Dec 1968	Sep 2025	Natural Gas : 90.8% Bituminous Coal : 9.2%
Dow St Charles Operations	Dow Chemical Co - St Charles	Taft, LA	2 TWh	Nov 1996	Sep 2025	Natural Gas : 99.2% Other Gas : 0.8%
University of Northern Iowa	University of Northern Iowa	Cedar Falls, IA	20 GWh	Oct 1982	Sep 2025	Natural Gas : 76.2% Petroleum Coke : 16.6% Bituminous Coal : 7.1%
Archer Daniels Midland Decatur	Archer Daniels Midland Co	Decatur, IL	881 GWh	Mar 1987	Sep 2025	Bituminous Coal : 62.4% Subbituminous Coal : 37.4%
Archer Daniels Midland Cedar Rapids	Archer Daniels Midland Co	Cedar Rapids, IA	990 GWh	Oct 1988	Sep 2025	Subbituminous Coal : 59.5% Natural Gas : 25.4% Bituminous Coal : 15.1%
Archer Daniels Midland Clinton	Archer Daniels Midland Co	Clinton, IA	727 GWh	Jan 2009	Sep 2025	Subbituminous Coal : 90.1% Other Biomass Solids : 8.3% Bituminous Coal : 1.6%
Central Michigan University	Central Michigan University	Mt. Pleasant, MI	30 GWh	Nov 1987	Sep 2025	Natural Gas
Sabine River Operations	The Dow Chemical Company	Orange, TX	3 TWh	Dec 1947	Sep 2025	Natural Gas : 99.3% Other Gas : 0.7%
Midland Cogeneration Venture	Midland Cogeneration Venture	Midland, MI	10 TWh	May 1989	Sep 2025	Natural Gas
International Falls Power	Boise White Paper LLC	International Falls, MN	47 GWh	Dec 1923	Sep 2025	Water

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	696.7 GWh	4
#27	Associated Electric Cooperative, Inc.	23.6 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	34.4 TWh	25
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	299.9 TWh	835
#49	Southwestern Power Administration	5.2 TWh	34
#9	Tennessee Valley Authority	161.6 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	655.1 TWh	2,831
#4	Electric Reliability Council of Texas, Inc.	485.0 TWh	1,313
#5	Southwest Power Pool	299.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	188.0 TWh	2,075
#9	Tennessee Valley Authority	161.6 TWh	204
#10	Florida Power & Light Co.	148.9 TWh	187
#12	New York Independent System Operator	131.6 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565