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
Greenwood (MI)	DTE Electric Company	Avoca, MI	1 TWh	Jun 1979	Feb 2026	Natural Gas
Delta Energy Park	Lansing Board of Water and Light	Lansing, MI	1 TWh	Feb 2022	Feb 2026	Natural Gas
LaO Energy Systems	Dow Chemical Co	Plaquemine, LA	1 TWh	May 1958	Dec 2024	Natural Gas : 84.1% Other Gas : 15.9%
R M Schahfer	Northern Indiana Pub Serv Co	Wheatfield, IN	1 TWh	Nov 1976	Feb 2026	Bituminous Coal : 94.3% Natural Gas : 5.7%
Palo Alto Wind Farm	MidAmerican Energy Co	Emmetsburg, IA	1 TWh	Dec 2019	Feb 2026	Wind
Highland Wind Project (IA)	MidAmerican Energy Co	Primghar, IA	1 TWh	May 2015	Feb 2026	Wind
PPG Powerhouse C	Westlake 2 US LLC	Lake Charles, LA	1 TWh	Jul 1977	Feb 2026	Natural Gas
North English	MidAmerican Energy Co	Montezuma, IA	1 TWh	Nov 2018	Feb 2026	Wind
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	Feb 2026	Natural Gas
LSP-Cottage Grove LP	Cottage Grove Operating Services LLC	Cottage Grove, MN	1 TWh	Sep 1997	Dec 2024	Natural Gas
Jordan Creek Wind Farm, LLC	Jordan Creek Wind Farm, LLC	Judyville, IN	1 TWh	Nov 2020	Feb 2026	Wind
Beaver Creek Wind	MidAmerican Energy Co	Ogden, IA	1 TWh	Nov 2017	Feb 2026	Wind
John P Madgett	Dairyland Power Coop	Alma, WI	1 TWh	Oct 1979	Feb 2026	Subbituminous Coal : 99.5%
Harry L. Oswald	Arkansas Electric Coop Corp	Little Rock, AR	1 TWh	Jun 2002	Dec 2024	Natural Gas
Arbor Hill Wind Farm	MidAmerican Energy Co	Greenfield, IA	1 TWh	Nov 2018	Feb 2026	Wind
Faribault Energy Park	Minnesota Municipal Power Agny	Faribault, MN	1 TWh	Apr 2005	Dec 2024	Natural Gas
Upland Prairie	Interstate Power and Light Co	Spencer, IA	1 TWh	Feb 2019	Feb 2026	Wind
Deuel Harvest Wind Energy LLC	Southern Power Co	Clear Lake, SD	1 TWh	Jan 2021	Feb 2026	Wind
Pine Bluff Energy Center	Pine Bluff Energy LLC	Pine Bluff, AR	1 TWh	Jul 2001	Feb 2026	Natural Gas
Michigan Power LP	Michigan Power Limited Partnership	Ludington, MI	1 TWh	Sep 1995	Dec 2024	Natural Gas
Ida Grove Wind	MidAmerican Energy Co	Ida Grove, IA	1 TWh	Aug 2016	Dec 2024	Wind
Gary Works	United States Steel-Gary	Gary, IN	1 TWh	Mar 1997	Feb 2026	Blast Furnace Gas : 54.5% Natural Gas : 45.5%
Air Products Port Arthur	Air Products LLC	Port Arthur, TX	998 GWh	Oct 2000	Dec 2024	Natural Gas : 92.8% Other Gas : 7.2%
Lincoln Land Wind	Lincoln Land Wind, LLC	TBD, IL	997 GWh	Oct 2021	Feb 2026	Wind
Dakota Range Wind	Northern States Power Co - Minnesota	Marvin, SD	989 GWh	Dec 2021	Feb 2026	Wind
F B Culley	Southern Indiana Gas & Elec Co	Newburgh, IN	982 GWh	Nov 1966	Feb 2026	Bituminous Coal : 97.4% Natural Gas : 2.6%
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%
Pomeroy Wind Farm	MidAmerican Energy Co	Fonda, IA	972 GWh	Nov 2007	Feb 2026	Wind
Nobles 2 Wind Project	Nobles 2 Power Partners, LLC	Wilmont, MN	950 GWh	Nov 2020	Feb 2026	Wind
Sapphire Sky Wind Energy LLC	Invenergy Services LLC	Farmer City, IL	934 GWh	Nov 2021	Feb 2026	Wind
ArcelorMittal Burns Harbor	Cleveland-Cliffs Burns Harbor LLC	Burns Harbor, IN	922 GWh	Dec 1968	Dec 2024	Blast Furnace Gas : 42.6% Other Gas : 32.9% Natural Gas : 24.4%
Archer Daniels Midland Decatur	Archer Daniels Midland Co	Decatur, IL	908 GWh	Mar 1987	Feb 2026	Bituminous Coal : 61.6% Subbituminous Coal : 38.1%
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%
Holland Energy Park	City of Holland	Holland, MI	893 GWh	May 2017	Dec 2024	Natural Gas
Keokuk	Union Electric Co - (MO)	Keokuk, IA	888 GWh	Jul 1913	Dec 2024	Water
Double Back Diamond	Double Back Diamond Solar Power, LLC	Virden, IL	888 GWh	Oct 2024	Feb 2026	Solar
Sidney A Murray Jr Hydroelectric	First National Bank-Commerce	Vidalia, LA	885 GWh	Apr 1990	Dec 2024	Water
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%
Indiana Crossroads Wind Farm LLC	Indiana Crossroads Wind Farms LLC	Chalmers, IN	881 GWh	Nov 2021	Feb 2026	Wind
O'Brien Wind	MidAmerican Energy Co	Primghar, IA	876 GWh	Aug 2016	Dec 2024	Wind
Little Gypsy	Entergy Louisiana LLC	La Place, LA	873 GWh	Feb 1961	Feb 2026	Natural Gas
Magnolia Power	Magnolia Power Holdings LLC	Plaquemine, LA	867 GWh	-	Feb 2026	Natural Gas
Whitewater Generating Station	Wisconsin Electric Power Co	Whitewater, WI	863 GWh	Aug 1997	Sep 2025	Natural Gas
Emmons-Logan Wind, LLC	Emmons-Logan Wind, LLC	Linton, ND	859 GWh	Nov 2019	Feb 2026	Wind
Diamond Trail Wind Farm	MidAmerican Energy Co	Ladora, IA	851 GWh	Nov 2020	Feb 2026	Wind
Dallman	City of Springfield - (IL)	Springfield, IL	849 GWh	May 1968	Feb 2026	Bituminous Coal : 99.5%
Crowned Ridge Wind II Energy Center	Northern States Power Co - Minnesota	Watertown, SD	848 GWh	Nov 2020	Feb 2026	Wind
Blazing Star Wind Farm 1	Northern States Power Co - Minnesota	Hendricks, MN	847 GWh	Mar 2020	Feb 2026	Wind
Blazing Star 2 Wind Farm	Northern States Power Co - Minnesota	Hendricks, MN	843 GWh	Dec 2020	Feb 2026	Wind
Pioneer Prairie Wind Farm	Pioneer Prairie Wind Farm I, LLC	McIntire, IA	840 GWh	Sep 2008	Feb 2026	Wind
Prosperity Wind	Prosperity Wind, LLC	Deland, IL	833 GWh	-	Feb 2026	Wind
Isabella Wind Park	DTE Electric Company	Rosebush, MI	833 GWh	May 2021	Feb 2026	Wind
Dunns Bridge II Solar	Dunns Bridge II Solar and Storage Generation LLC	San Pierre, IN	811 GWh	-	Feb 2026	Solar
Eclipse Wind Farm	MidAmerican Energy Co	Adair, IA	808 GWh	Aug 2012	Feb 2026	Wind
Glaciers Edge Wind Project	EDF Renewable Asset Holdings, Inc.	Cleghorn, IA	805 GWh	Nov 2019	Feb 2026	Wind
Lundgren Wind Project	MidAmerican Energy Co	Otho, IA	804 GWh	Jul 2014	Dec 2024	Wind
Nobles Wind Project	Northern States Power Co - Minnesota	Reading, MN	801 GWh	Nov 2010	Feb 2026	Wind
Southern Hills Wind Farm	MidAmerican Energy Co	Creston, IA	793 GWh	Feb 2021	Feb 2026	Wind
Crowned Ridge Wind Energy Center	Crowned Ridge Wind, LLC	Watertown, SD	788 GWh	Nov 2019	Feb 2026	Wind
Marion	Southern Illinois Power Coop	Marion, IL	783 GWh	May 1963	Feb 2026	Bituminous Coal : 85.9% Natural Gas : 13.6% Distillate Fuel Oil : 0.5%
Heartland Divide II	Heartland Divide II	Audubon, IA	781 GWh	Feb 2022	Feb 2026	Wind
Great Pathfinder Wind	Great Pathfinder Wind	Stratford, IA	778 GWh	Jan 2023	Feb 2026	Wind
Plymouth Wind	MidAmerican Energy Co	Remsen, IA	778 GWh	Dec 2021	Feb 2026	Wind
Muscatine Plant #1	Board of Water Electric & Communications	Muscatine, IA	775 GWh	Mar 1958	Feb 2026	Subbituminous Coal : 99.7%
Odell Wind Farm	Algonquin Power Co	Mountain Lake, MN	773 GWh	Jun 2016	Dec 2024	Wind
Crocker Wind Farm	Crocker Wind Farm, LLC	Conde, SD	770 GWh	Oct 2019	Feb 2026	Wind
Pleasant Valley Wind Farm	Northern States Power Co - Minnesota	Dexter, MN	770 GWh	Jul 2015	Dec 2024	Wind
Dean	DTE Electric Company	East China, MI	770 GWh	May 2002	Dec 2024	Natural Gas
Freeborn Wind Farm	Northern States Power Co - Minnesota	Glenville, MN	762 GWh	Apr 2021	Feb 2026	Wind
Red Pine Wind Project	EDF Renewable Asset Holdings, Inc.	Ivanhoe, MN	762 GWh	Nov 2017	Feb 2026	Wind
Golden Plains	Interstate Power and Light Co	Buffalo Center, IA	753 GWh	Feb 2020	Feb 2026	Wind
Alliant Energy Neenah	Wisconsin Power & Light Co	Neenah, WI	740 GWh	Apr 2000	Dec 2024	Natural Gas
Vermillion Energy Facility	Duke Energy Ohio Inc	Cayuga, IN	728 GWh	May 2000	Dec 2024	Natural Gas
Cross Winds Energy Park	Consumers Energy Co - (MI)	Unionville, MI	721 GWh	Nov 2014	Dec 2024	Wind
Allen S King	Northern States Power Co - Minnesota	Oak Park Heights, MN	718 GWh	Feb 1958	Feb 2026	Subbituminous Coal : 99.4%
Whispering Willow North	Interstate Power and Light Co	Latimer, IA	712 GWh	Dec 2019	Feb 2026	Wind
FPL Energy Crystal Lake Wind II LLC	FPL Energy Crystal Lake Wind II LLC	Britt, IA	708 GWh	Dec 2008	Feb 2026	Wind
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%
R D Green	Big Rivers Electric Corp	Robards, KY	701 GWh	Nov 1979	Feb 2026	Natural Gas
Turtle Creek Wind Farm LLC	Turtle Creek Wind Farm LLC	St. Ansgar, IA	699 GWh	Nov 2018	Feb 2026	Wind
Ida Grove II	MidAmerican Energy Co	Ida Grove, IA	699 GWh	Nov 2019	Feb 2026	Wind
High Prairie Wind Farm	Union Electric Co - (MO)	Queen City, MO	675 GWh	Nov 2020	Feb 2026	Wind
Harvest Ridge Wind Farm	Harvest Ridge Wind Farm	Newman, IL	664 GWh	Jun 2020	Feb 2026	Wind
Indiana Harbor E 5 AC Station	Northlake Energy	East Chicago, IN	655 GWh	Apr 1996	Dec 2024	Blast Furnace Gas : 92.6% Natural Gas : 7.4%
ExxonMobil Baton Rouge Turbine Generator	Exxon Mobil Corp	Baton Rouge, LA	654 GWh	Apr 1990	Dec 2024	Natural Gas
A B Brown	Southern Indiana Gas & Elec Co	Mount Vernon, IN	653 GWh	Feb 1979	Feb 2026	Natural Gas
California Ridge Wind Energy LLC	SunEdison LLC	Fithian, IL	644 GWh	Nov 2012	Feb 2026	Wind
Sheboygan Falls	Wisconsin Power & Light Co	Sheboygan, WI	642 GWh	May 2005	Dec 2024	Natural Gas
Ledyard Windpower, LLC	Duke Energy Renewables Services	Lakota, IA	637 GWh	Nov 2022	Feb 2026	Wind
Meadow Lake Wind Farm VI LLC	Meadow Lake Wind Farm VI LLC	Remington, IN	635 GWh	Oct 2018	Feb 2026	Wind
Glacier Sands Wind Power, LLC	Glacier Sands Wind Power, LLC	Mason City, IL	627 GWh	Oct 2021	Feb 2026	Wind
Chickasaw Wind Farm	MidAmerican Energy Co	New Hampton, IA	624 GWh	Nov 2023	Feb 2026	Wind
Bison 4 Wind Energy Center	ALLETE, Inc.	New Salem, ND	624 GWh	Dec 2014	Dec 2024	Wind
Border Winds Wind Farm	Northern States Power Co - Minnesota	Rolla, ND	614 GWh	Jul 2015	Dec 2024	Wind
JCO Oxides Olefins Plant	Indorama Ventures	Port Neeches, TX	614 GWh	Aug 1992	Dec 2024	Natural Gas
Rush Island	Union Electric Co - (MO)	Festus, MO	603 GWh	Feb 1976	Sep 2024	Subbituminous Coal : 98.2% Distillate Fuel Oil : 1.8%
FPL Energy Ashtabula Wind LLC	FPL Energy Ashtabula Wind LLC	Luverne, ND	594 GWh	Nov 2008	Dec 2024	Wind
Prairie Wind Farm	MidAmerican Energy Co	Montezuma, IA	590 GWh	Dec 2017	Feb 2026	Wind
Indiana Crossroads Wind Farm II	Indiana Crossroads Wind Farm II LLC	Wolcott, IN	590 GWh	Nov 2024	Feb 2026	Wind
Foxtail Wind, LLC	Foxtail Wind, LLC	Forbes, ND	589 GWh	Dec 2019	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