Midcontinent Independent System Operator, Inc.

Balancing Authority Summary Information

Midcontinent Independent System Operator, Inc. is ranked #2 out of 64 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	Oct 2026
Annual Generation	677.7 TWh
Power Plants	3,095
Utilities	1,372
Ranked #2 out of 64 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 37.1% Coal \| 26.2% Wind \| 15% Nuclear \| 13.8% Solar \| 6.1% 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
English Farms	Interstate Power and Light Co	Montezuma, IA	584 GWh	Feb 2019	Jul 2026	Wind
Shell Chemical	Shell Chemical LP - Geismar	Geismar, LA	585 GWh	Jul 2002	Dec 2025	Natural Gas
Indiana Crossroads Wind Farm II	Indiana Crossroads Wind Farm II LLC	Wolcott, IN	604 GWh	Nov 2024	Jul 2026	Wind
Lundgren Wind Project	MidAmerican Energy Co	Otho, IA	605 GWh	Jul 2014	Dec 2025	Wind
Prairie Wind Farm	MidAmerican Energy Co	Montezuma, IA	606 GWh	Dec 2017	Jul 2026	Wind
Century	MidAmerican Energy Co	Blairsburg, IA	609 GWh	Aug 2005	Dec 2025	Wind
Foxtail Wind, LLC	Foxtail Wind, LLC	Forbes, ND	609 GWh	Dec 2019	Jul 2026	Wind
RockGen Energy Center	Dairyland Power Coop	Cambridge, WI	619 GWh	May 2001	Jul 2026	Natural Gas : 98.4% Distillate Fuel Oil : 1.6%
Vienna Wind Farm	MidAmerican Energy Co	Marshalltown, IA	622 GWh	Oct 2012	Dec 2025	Wind
Geismar	BASF Corporation	Geismar, LA	626 GWh	Jun 1985	Dec 2025	Natural Gas : 85.5% Other Gas : 14.5%
Chickasaw Wind Farm	MidAmerican Energy Co	New Hampton, IA	640 GWh	Nov 2023	Jul 2026	Wind
Glacier Sands Wind Power, LLC	Glacier Sands Wind Power, LLC	Mason City, IL	644 GWh	Oct 2021	Jul 2026	Wind
Indiana Harbor E 5 AC Station	Northlake Energy	East Chicago, IN	649 GWh	Apr 1996	Dec 2025	Blast Furnace Gas : 91.2% Natural Gas : 8.8%
Ledyard Windpower, LLC	Deriva Energy	Lakota, IA	649 GWh	Nov 2022	Jul 2026	Wind
Meadow Lake Wind Farm VI LLC	Meadow Lake Wind Farm VI LLC	Remington, IN	663 GWh	Oct 2018	Jul 2026	Wind
Ida Grove II	MidAmerican Energy Co	Ida Grove, IA	686 GWh	Nov 2019	Jul 2026	Wind
California Ridge Wind Energy LLC	SunEdison LLC	Fithian, IL	692 GWh	Nov 2012	Jul 2026	Wind
Turtle Creek Wind Farm LLC	Turtle Creek Wind Farm LLC	St. Ansgar, IA	697 GWh	Nov 2018	Jul 2026	Wind
Archer Daniels Midland Clinton	Archer Daniels Midland Co	Clinton, IA	699 GWh	Jan 2009	Jul 2026	Subbituminous Coal : 88.8% Other Biomass Solids : 7.0% Bituminous Coal : 4.2%
FPL Energy Crystal Lake Wind II LLC	FPL Energy Crystal Lake Wind II LLC	Britt, IA	703 GWh	Dec 2008	Jul 2026	Wind
Dean	DTE Electric Company	East China, MI	705 GWh	May 2002	Dec 2025	Natural Gas
Muscatine Plant #1	Board of Water Electric & Communications	Muscatine, IA	711 GWh	Mar 1958	Jul 2026	Subbituminous Coal : 99.8%
Whispering Willow North	Interstate Power and Light Co	Latimer, IA	715 GWh	Dec 2019	Jul 2026	Wind
ArcelorMittal Burns Harbor	Cleveland-Cliffs Burns Harbor LLC	Burns Harbor, IN	719 GWh	Dec 1968	Dec 2025	Blast Furnace Gas : 37.1% Natural Gas : 32.1% Other Gas : 30.8%
Harvest Ridge Wind Farm	Harvest Ridge Wind Farm	Newman, IL	725 GWh	Jun 2020	Jul 2026	Wind
Great Pathfinder Wind	Great Pathfinder Wind	Stratford, IA	726 GWh	Jan 2023	Jul 2026	Wind
Cross Winds Energy Park	Consumers Energy Co - (MI)	Unionville, MI	728 GWh	Nov 2014	Dec 2025	Wind
A B Brown	Southern Indiana Gas & Elec Co	Mount Vernon, IN	753 GWh	Feb 1979	Jul 2026	Natural Gas
Plymouth Wind	MidAmerican Energy Co	Remsen, IA	759 GWh	Dec 2021	Jul 2026	Wind
Freeborn Wind Farm	Northern States Power Co - Minnesota	Glenville, MN	769 GWh	Apr 2021	Jul 2026	Wind
Odell Wind Farm	Algonquin Power Co	Mountain Lake, MN	769 GWh	Jun 2016	Dec 2025	Wind
Heartland Divide II	Heartland Divide II	Audubon, IA	770 GWh	Feb 2022	Jul 2026	Wind
R M Schahfer	Northern Indiana Pub Serv Co	Wheatfield, IN	773 GWh	Nov 1976	Jul 2026	Bituminous Coal : 97.4% Natural Gas : 2.6%
Dunns Bridge II Solar	Dunns Bridge II Solar and Storage Generation LLC	San Pierre, IN	774 GWh	Dec 2024	Jul 2026	Solar
Alpine Power Plant	Wolverine Power Supply Coop	Elmira, MI	776 GWh	May 2016	Dec 2025	Natural Gas
Nobles Wind Project	Northern States Power Co - Minnesota	Reading, MN	780 GWh	Nov 2010	Jul 2026	Wind
Red Pine Wind Project	EDF Renewable Asset Holdings, Inc.	Ivanhoe, MN	782 GWh	Nov 2017	Jul 2026	Wind
Golden Plains	Interstate Power and Light Co	Buffalo Center, IA	784 GWh	Feb 2020	Jul 2026	Wind
Marion	Southern Illinois Power Coop	Marion, IL	796 GWh	May 1963	Jul 2026	Bituminous Coal : 86.3% Natural Gas : 13.1% Distillate Fuel Oil : 0.6%
Crocker Wind Farm	Geronimo Power	Conde, SD	798 GWh	Oct 2019	Jul 2026	Wind
Faribault Energy Park	Minnesota Municipal Power Agny	Faribault, MN	800 GWh	Apr 2005	Dec 2025	Natural Gas
Crowned Ridge Wind Energy Center	Crowned Ridge Wind, LLC	Watertown, SD	807 GWh	Nov 2019	Jul 2026	Wind
Cannon Falls Energy Center	Invenergy Services LLC	Cannon Falls, MN	807 GWh	Mar 2008	Jul 2026	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Southern Hills Wind Farm	MidAmerican Energy Co	Creston, IA	809 GWh	Feb 2021	Jul 2026	Wind
Dallman	City of Springfield - (IL)	Springfield, IL	815 GWh	May 1968	Jul 2026	Bituminous Coal : 99.4% Natural Gas : 0.6%
Glaciers Edge Wind Project	EDF Renewable Asset Holdings, Inc.	Cleghorn, IA	815 GWh	Nov 2019	Jul 2026	Wind
Isabella Wind Park	DTE Electric Company	Rosebush, MI	816 GWh	May 2021	Jul 2026	Wind
Eclipse Wind Farm	MidAmerican Energy Co	Adair, IA	820 GWh	Aug 2012	Jul 2026	Wind
Mansfield Mill	IPC-Mansfield Mill	Mansfield, LA	835 GWh	Sep 1981	Jul 2026	Natural Gas : 52.9% Black Liquor : 33.9% Wood/Wood Waste Solids : 12.0% Tire-derived Fuels : 1.2%
Pioneer Prairie Wind Farm	Pioneer Prairie Wind Farm I, LLC	McIntire, IA	838 GWh	Sep 2008	Jul 2026	Wind
High Prairie Wind Farm	Union Electric Co - (MO)	Queen City, MO	838 GWh	Nov 2020	Jul 2026	Wind
Blazing Star 2 Wind Farm	Northern States Power Co - Minnesota	Hendricks, MN	840 GWh	Dec 2020	Jul 2026	Wind
Diamond Trail Wind Farm	MidAmerican Energy Co	Ladora, IA	842 GWh	Nov 2020	Jul 2026	Wind
O'Brien Wind	MidAmerican Energy Co	Primghar, IA	851 GWh	Aug 2016	Dec 2025	Wind
Blazing Star Wind Farm 1	Northern States Power Co - Minnesota	Hendricks, MN	851 GWh	Mar 2020	Jul 2026	Wind
Allen S King	Northern States Power Co - Minnesota	Oak Park Heights, MN	861 GWh	Feb 1958	Jul 2026	Subbituminous Coal : 99.5%
Crowned Ridge Wind II Energy Center	Northern States Power Co - Minnesota	Watertown, SD	863 GWh	Nov 2020	Jul 2026	Wind
Emmons-Logan Wind, LLC	Emmons-Logan Wind, LLC	Linton, ND	867 GWh	Nov 2019	Jul 2026	Wind
Black Dog	Northern States Power Co - Minnesota	Burnsville, MN	870 GWh	Sep 1954	Dec 2025	Natural Gas
Archer Daniels Midland Decatur	Archer Daniels Midland Co	Decatur, IL	917 GWh	Mar 1987	Jul 2026	Bituminous Coal : 64.8% Subbituminous Coal : 35.0%
Indiana Crossroads Wind Farm LLC	Indiana Crossroads Wind Farms LLC	Chalmers, IN	917 GWh	Nov 2021	Jul 2026	Wind
Harry L. Oswald	Arkansas Electric Coop Corp	Little Rock, AR	929 GWh	Jun 2002	Dec 2025	Natural Gas
Prosperity Wind	Prosperity Wind, LLC	Deland, IL	947 GWh	Dec 2024	Jul 2026	Wind
Nobles 2 Wind Project	Nobles 2 Power Partners, LLC	Wilmont, MN	952 GWh	Nov 2020	Jul 2026	Wind
Pomeroy Wind Farm	MidAmerican Energy Co	Fonda, IA	961 GWh	Nov 2007	Jul 2026	Wind
Keokuk	Union Electric Co - (MO)	Keokuk, IA	962 GWh	Jul 1913	Dec 2025	Water
Sapphire Sky Wind Energy LLC	Invenergy Services LLC	Farmer City, IL	967 GWh	Nov 2021	Jul 2026	Wind
Holland Energy Park	City of Holland - (MI)	Holland, MI	974 GWh	May 2017	Dec 2025	Natural Gas
Highland Wind Project (IA)	MidAmerican Energy Co	Primghar, IA	974 GWh	May 2015	Jul 2026	Wind
Sidney A Murray Jr Hydroelectric	First National Bank-Commerce	Vidalia, LA	989 GWh	Apr 1990	Dec 2025	Water
Gary Works	United States Steel-Gary	Gary, IN	995 GWh	Mar 1997	May 2026	Blast Furnace Gas : 57.0% Natural Gas : 43.0%
Dakota Range Wind	Northern States Power Co - Minnesota	Marvin, SD	998 GWh	Dec 2021	Jul 2026	Wind
Little Gypsy	Entergy Louisiana LLC	La Place, LA	1 TWh	Feb 1961	Jul 2026	Natural Gas
Lincoln Land Wind	Lincoln Land Wind, LLC	TBD, IL	1 TWh	Oct 2021	Jul 2026	Wind
Archer Daniels Midland Cedar Rapids	Archer Daniels Midland Co	Cedar Rapids, IA	1 TWh	Oct 1988	Jul 2026	Subbituminous Coal : 59.1% Natural Gas : 26.7% Bituminous Coal : 14.2%
Pine Bluff Energy Center	Pine Bluff Energy LLC	Pine Bluff, AR	1 TWh	Jul 2001	Jul 2026	Natural Gas
Michigan Power LP	Michigan Power Limited Partnership	Ludington, MI	1 TWh	Sep 1995	Dec 2025	Natural Gas
John P Madgett	Dairyland Power Coop	Alma, WI	1 TWh	Oct 1979	Jul 2026	Subbituminous Coal : 99.5% Distillate Fuel Oil : 0.5%
Double Back Diamond	Double Back Diamond Solar Power, LLC	Virden, IL	1 TWh	Oct 2024	Jul 2026	Solar
Deuel Harvest Wind Energy LLC	Southern Power Co	Clear Lake, SD	1 TWh	Jan 2021	Jul 2026	Wind
Upland Prairie	Interstate Power and Light Co	Spencer, IA	1 TWh	Feb 2019	Jul 2026	Wind
Ida Grove Wind	MidAmerican Energy Co	Ida Grove, IA	1 TWh	Aug 2016	Dec 2025	Wind
Arbor Hill Wind Farm	MidAmerican Energy Co	Greenfield, IA	1 TWh	Nov 2018	Jul 2026	Wind
F B Culley	Southern Indiana Gas & Elec Co	Newburgh, IN	1 TWh	Nov 1966	Jul 2026	Bituminous Coal : 98.3% Natural Gas : 1.7%
Beaver Creek Wind	MidAmerican Energy Co	Ogden, IA	1 TWh	Nov 2017	Jul 2026	Wind
Air Products Port Arthur	Air Products LLC	Port Arthur, TX	1 TWh	Oct 2000	Dec 2025	Natural Gas : 93.4% Other Gas : 6.6%
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	Jul 2026	Natural Gas
Jordan Creek Wind Farm, LLC	Jordan Creek Wind Farm, LLC	Judyville, IN	1 TWh	Nov 2020	Jul 2026	Wind
North English	MidAmerican Energy Co	Montezuma, IA	1 TWh	Nov 2018	Jul 2026	Wind
Big Cajun 2	Louisiana Generating LLC	New Roads, LA	1 TWh	Jun 1981	Jul 2026	Subbituminous Coal : 74.8% Natural Gas : 25.2%
Delta Energy Park	Lansing Board of Water and Light	Lansing, MI	1 TWh	Feb 2022	Jul 2026	Natural Gas
Westlake Plaquemine	Westlake Chemicals & Vinyls LLC	Plaquemine, LA	1 TWh	Apr 1997	Jul 2026	Natural Gas : 99.3% Other Gas : 0.7%
LaO Energy Systems	Dow Chemical Co	Plaquemine, LA	1 TWh	May 1958	Dec 2024	Natural Gas : 84.1% Other Gas : 15.9%
Palo Alto Wind Farm	MidAmerican Energy Co	Emmetsburg, IA	1 TWh	Dec 2019	Jul 2026	Wind
D B Wilson	Big Rivers Electric Corp	Centertown, KY	1 TWh	Aug 1984	Jul 2026	Bituminous Coal : 98.9% Distillate Fuel Oil : 1.1%
PPG Powerhouse C	Westlake 2 US LLC	Lake Charles, LA	1 TWh	Jul 1977	Jul 2026	Natural Gas : 99.9%
Moselle	Cooperative Energy	Moselle, MS	2 TWh	Jul 1970	Jul 2026	Natural Gas
Rolling Hills Wind Farm	MidAmerican Energy Co	Massena, IA	2 TWh	Nov 2011	Jul 2026	Wind
George Neal North	MidAmerican Energy Co	Sergeant Bluff, IA	2 TWh	Apr 1964	Jul 2026	Subbituminous Coal : 98.2% Natural Gas : 1.8%
George Neal South	MidAmerican Energy Co	Salix, IA	2 TWh	Jun 1979	Jul 2026	Subbituminous Coal : 99.0% Distillate Fuel Oil : 1.0%

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	433.0 GWh	4
#26	Associated Electric Cooperative, Inc.	22.9 TWh	47
#13	Duke Energy Carolinas	113.4 TWh	578
#50	Duke Energy Progress West	4.6 TWh	15
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.2 TWh	25
#1	PJM Interconnection, LLC	890.9 TWh	2,806
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#5	Southwest Power Pool	314.5 TWh	876
#53	Southwestern Power Administration	3.5 TWh	37
#9	Tennessee Valley Authority	166.2 TWh	209

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	890.9 TWh	2,806
#2	Midcontinent Independent System Operator, Inc.	677.7 TWh	3,095
#3	Electric Reliability Council of Texas, Inc.	506.3 TWh	1,487
#5	Southwest Power Pool	314.5 TWh	876
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#7	California Independent System Operator	168.7 TWh	2,170
#9	Tennessee Valley Authority	166.2 TWh	209
#10	Florida Power & Light Co.	153.0 TWh	188
#12	New York Independent System Operator	134.1 TWh	1,334
#13	Duke Energy Carolinas	113.4 TWh	578