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
R M Schahfer	Northern Indiana Pub Serv Co	Wheatfield, IN	773 GWh	Nov 1976	Jul 2026	Bituminous Coal : 97.4% Natural Gas : 2.6%
State Farm	State Farm Insurance	Bloomington, IL	30 MWh	Sep 1996	Jul 2026	Distillate Fuel Oil
Lewis & Clark	Montana-Dakota Utilities Co	Richland, MT	12 GWh	Sep 1958	Jul 2026	Natural Gas
Sherburne County	Northern States Power Co - Minnesota	Becker, MN	6 TWh	Mar 1976	Jul 2026	Subbituminous Coal : 99.8%
Big Stone	Otter Tail Power Co	Big Stone City, SD	2 TWh	Apr 1975	Jul 2026	Subbituminous Coal : 99.7%
Gibson	Duke Energy Indiana, LLC	Owensville, IN	11 TWh	Mar 1975	Jul 2026	Bituminous Coal : 99.6%
A B Brown	Southern Indiana Gas & Elec Co	Mount Vernon, IN	753 GWh	Feb 1979	Jul 2026	Natural Gas
Callaway	Union Electric Co - (MO)	Fulton, MO	10 TWh	Nov 1984	Jul 2026	Nuclear
Brame Energy Center	Cleco Power LLC	Lena, LA	4 TWh	May 1975	Jul 2026	Subbituminous Coal : 49.2% Natural Gas : 35.7% Petroleum Coke : 10.7% Bituminous Coal : 4.4%
Ottumwa	Interstate Power and Light Co	Ottumwa, IA	4 TWh	Apr 1981	Jul 2026	Subbituminous Coal : 99.6%
George Neal South	MidAmerican Energy Co	Salix, IA	2 TWh	Jun 1979	Jul 2026	Subbituminous Coal : 99.0% Distillate Fuel Oil : 1.0%
River Bend	Entergy Louisiana LLC	St. Francisville, LA	8 TWh	May 1986	Jul 2026	Nuclear
R D Green	Big Rivers Electric Corp	Robards, KY	491 GWh	Nov 1979	Jul 2026	Natural Gas
Independence Steam Electric Station	Entergy Arkansas LLC	Newark, AR	7 TWh	Dec 1982	Jul 2026	Subbituminous Coal : 99.9%
Plum Point Energy Station	NRG Energy Services - Plum Point	Osceola, AR	3 TWh	Aug 2010	Jul 2026	Subbituminous Coal : 99.7%
Louisa	MidAmerican Energy Co	Muscatine, IA	4 TWh	Sep 1983	Jul 2026	Subbituminous Coal : 99.4% Natural Gas : 0.6%
Warrick	AGC Division of APGI Inc	Newburgh, IN	3 TWh	Mar 1960	Jul 2026	Bituminous Coal : 97.9% Natural Gas : 2.1%
D B Wilson	Big Rivers Electric Corp	Centertown, KY	1 TWh	Aug 1984	Jul 2026	Bituminous Coal : 98.9% Distillate Fuel Oil : 1.1%
Pomeroy Wind Farm	MidAmerican Energy Co	Fonda, IA	961 GWh	Nov 2007	Jul 2026	Wind
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
Contrail Wind Farm	MidAmerican Energy Co	Bedford, IA	340 GWh	Nov 2020	Jul 2026	Wind
Southern Hills Wind Farm	MidAmerican Energy Co	Creston, IA	809 GWh	Feb 2021	Jul 2026	Wind
Diamond Trail Wind Farm	MidAmerican Energy Co	Ladora, IA	842 GWh	Nov 2020	Jul 2026	Wind
Assembly Solar II LLC	Assembly Solar II LLC	Lennon, MI	223 GWh	Nov 2021	Jul 2026	Solar
Crescent Wind Park	Consumers Energy Co - (MI)	Hillsdale, MI	364 GWh	Jan 2021	Jul 2026	Wind
Gratiot Farms Wind Project	Consumers Energy Co - (MI)	Carson City, MI	332 GWh	Nov 2020	Jul 2026	Wind
Happy Solar 1	Lightsource Renewable Energy Asset Management, LLC	Searcy, AR	210 GWh	Sep 2023	Jul 2026	Solar
Jordan Creek Wind Farm, LLC	Jordan Creek Wind Farm, LLC	Judyville, IN	1 TWh	Nov 2020	Jul 2026	Wind
Bennington Wind	Minonk Stewardship Wind LLC	Minonk, IL	308 GWh	Sep 2021	Jul 2026	Wind
Wapello Solar LLC	Wapello Solar LLC	Wapello, IA	203 GWh	Feb 2021	Jul 2026	Solar
Panther Creek Wind Project	Greenbacker Renewable Energy Corporation	Pittsfield, IL	151 GWh	Jan 2025	Jul 2026	Wind
Troy Solar	Southern Indiana Gas & Elec Co	Troy, IN	94 GWh	Mar 2021	Jul 2026	Solar
Chicot Solar	Chicot Solar, LLC	Lake Village, AR	210 GWh	Aug 2020	Jul 2026	Solar
Cerro Gordo Wind Farm	Cerro Gordo Wind Farm	Union, IA	170 GWh	Jul 2020	Jul 2026	Wind
Crowned Ridge Wind II Energy Center	Northern States Power Co - Minnesota	Watertown, SD	863 GWh	Nov 2020	Jul 2026	Wind
Delta Energy Park	Lansing Board of Water and Light	Lansing, MI	1 TWh	Feb 2022	Jul 2026	Natural Gas
West Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	4 TWh	Apr 2020	Jul 2026	Natural Gas
Sunflower County	Sunflower County Solar Project, LLC	Ruleville, MS	148 GWh	Aug 2022	Jul 2026	Solar
Independence Wind Farm	Independence Wind Energy LLC	Manchester, IA	201 GWh	Nov 2021	Jul 2026	Wind
Assembly Solar III	Assembly Solar III, LLC	Lennon, MI	167 GWh	Dec 2021	Jul 2026	Solar
Dressor Plains Solar, LLC	Dressor Plains Solar, LLC	Herrick, IL	225 GWh	Aug 2021	Jul 2026	Solar
Indiana Crossroads Wind Farm LLC	Indiana Crossroads Wind Farms LLC	Chalmers, IN	917 GWh	Nov 2021	Jul 2026	Wind
Iris Solar LLC	Iris Solar LLC	Franklinton, LA	117 GWh	Sep 2022	Jul 2026	Solar
Badger Wind, LLC	Badger Wind , LLC	Northwest McIntosh, ND	523 GWh	-	Jul 2026	Wind
Glacier Sands Wind Power, LLC	Glacier Sands Wind Power, LLC	Mason City, IL	644 GWh	Oct 2021	Jul 2026	Wind
Badger Hollow II	Wisconsin Electric Power Co	Cobb, WI	214 GWh	Nov 2023	Jul 2026	Solar
Two Creeks Solar	Wisconsin Public Service Corp	Two Rivers, WI	187 GWh	Oct 2020	Jul 2026	Solar
Palo Alto Wind Farm	MidAmerican Energy Co	Emmetsburg, IA	1 TWh	Dec 2019	Jul 2026	Wind
Point Beach Solar	Point Beach Solar	Two Creeks, WI	199 GWh	Aug 2021	Jul 2026	Solar
Calhoun County Solar Project	AES Clean Energy	Sheridan Township, MI	254 GWh	Feb 2025	Jul 2026	Solar
Darien Solar	Wisconsin Electric Power Co	Darien, WI	365 GWh	Feb 2025	Jul 2026	Solar
Badger Hollow I	Wisconsin Public Service Corp	Montfort, WI	201 GWh	Oct 2021	Jul 2026	Solar
Deuel Harvest Wind Energy LLC	Southern Power Co	Clear Lake, SD	1 TWh	Jan 2021	Jul 2026	Wind
Glen Ullin Energy Center	ALLETE Clean Energy	Glen Ullin, ND	433 GWh	Nov 2019	Jul 2026	Wind
Prairie Wolf Solar LLC	Geronimo Power	North Ashmore, IL	378 GWh	Oct 2021	Jul 2026	Solar
Rosewater Wind Farm	Rosewater Wind Farm LLC	Chalmers, IN	321 GWh	Nov 2020	Jul 2026	Wind
Prairie Solar LLC	MN8 Energy LLC	Sidney, IL	173 GWh	-	Jul 2026	Solar
Freeborn Wind Farm	Northern States Power Co - Minnesota	Glenville, MN	769 GWh	Apr 2021	Jul 2026	Wind
Big River Solar	Big River Solar, LLC	Norris City, IL	316 GWh	Jul 2022	Jul 2026	Solar
Fairbanks Wind Park	DTE Electric Company	Garden, MI	180 GWh	Dec 2021	Jul 2026	Wind
Heartland Divide II	Heartland Divide II	Audubon, IA	770 GWh	Feb 2022	Jul 2026	Wind
Sac County Wind, LLC	Sac County Wind	Sac City, IA	323 GWh	Nov 2021	Jul 2026	Wind
Ida Grove II	MidAmerican Energy Co	Ida Grove, IA	686 GWh	Nov 2019	Jul 2026	Wind
Plymouth Wind	MidAmerican Energy Co	Remsen, IA	759 GWh	Dec 2021	Jul 2026	Wind
Holliday Creek Solar	MidAmerican Energy Co	Fort Dodge, IA	206 GWh	Jun 2022	Jul 2026	Solar
Phoenix Solar South Farms LLC Solar Farm	Phoenix Solar South Farms LLC	Champaign, IL	5 GWh	Nov 2015	Jul 2026	Solar
Arbor Hill Solar	MidAmerican Energy Co	Greenfield, IA	46 GWh	Dec 2021	Jul 2026	Solar
Calhoun Solar	Invenergy Services LLC	Battle Creek, MI	367 GWh	Nov 2022	Jul 2026	Solar
Searcy Solar Hybrid	Searcy Solar, LLC	Searcy, AR	173 GWh	Dec 2021	Jul 2026	Solar
High Prairie Wind Farm	Union Electric Co - (MO)	Queen City, MO	838 GWh	Nov 2020	Jul 2026	Wind
Assembly Solar Project	Assembly Solar I, LLC	Venice Township, MI	99 GWh	Nov 2020	Jul 2026	Solar
Prairie State Solar Project	Prairie State Solar, LLC	Swanwick Township, IL	221 GWh	Jun 2021	Jul 2026	Solar
Emmons-Logan Wind, LLC	Emmons-Logan Wind, LLC	Linton, ND	867 GWh	Nov 2019	Jul 2026	Wind
Nobles 2 Wind Project	Nobles 2 Power Partners, LLC	Wilmont, MN	952 GWh	Nov 2020	Jul 2026	Wind
Cassville Solar	Wisconsin Power & Light Co	Cassville, WI	100 GWh	Nov 2023	Jul 2026	Solar
Springfield Solar (WI)	Wisconsin Power & Light Co	Lomira, WI	208 GWh	Nov 2023	Jul 2026	Solar
Albany Solar (WI)	Wisconsin Power & Light Co	Broadhead, WI	100 GWh	Nov 2023	Jul 2026	Solar
Polaris Wind Park	DTE Electric Company	North Star Township, MI	458 GWh	Apr 2020	Jul 2026	Wind
Paddock Solar	Wisconsin Power & Light Co	Beloit, WI	135 GWh	Oct 2023	Jul 2026	Solar
Stoneray Power Partners, LLC	EDF Renewable Asset Holdings, Inc.	Woodstock, MN	358 GWh	Jan 2019	Jul 2026	Wind
Wautoma Solar	Wisconsin Power & Light Co	Wautoma, WI	192 GWh	Nov 2023	Jul 2026	Solar
Beaver Dam Solar	Wisconsin Power & Light Co	Dodge, WI	103 GWh	Nov 2023	Jul 2026	Solar
Grant County	Wisconsin Power & Light Co	Town of Potosi, WI	380 GWh	Apr 2024	Jul 2026	Solar
Onion River	Wisconsin Power & Light Co	Sheboygan Cedar Grove, WI	262 GWh	Nov 2023	Jul 2026	Solar
Bear Creek (WI)	Wisconsin Power & Light Co	Lone Rock, WI	101 GWh	Aug 2022	Jul 2026	Solar
Blue Water Energy Center	DTE Electric Company	East China, MI	7 TWh	May 2022	Jul 2026	Natural Gas
North Rock	Wisconsin Power & Light Co	Edgerton, WI	94 GWh	Sep 2022	Jul 2026	Solar
Wood County	Wisconsin Power & Light Co	Nekoosa, WI	279 GWh	Nov 2022	Jul 2026	Solar
Crawfish River	Wisconsin Power & Light Co	Jefferson, WI	129 GWh	Nov 2023	Jul 2026	Solar
Oxbow Solar 1	Lightsource Renewable Energy Asset Management, LLC	New Roads, LA	510 GWh	Jun 2024	Jul 2026	Solar
Hoot Lake Solar	Otter Tail Power Co	Fergus Falls, MN	73 GWh	Jul 2023	Jul 2026	Solar
North English	MidAmerican Energy Co	Montezuma, IA	1 TWh	Nov 2018	Jul 2026	Wind
Arbor Hill Wind Farm	MidAmerican Energy Co	Greenfield, IA	1 TWh	Nov 2018	Jul 2026	Wind
Kossuth	Wisconsin Power & Light Co	Lu Verne, IA	536 GWh	Sep 2020	Jul 2026	Wind
Golden Plains	Interstate Power and Light Co	Buffalo Center, IA	784 GWh	Feb 2020	Jul 2026	Wind
Richland (IA)	Interstate Power and Light Co	Odebolt, IA	492 GWh	Aug 2020	Jul 2026	Wind
Whispering Willow North	Interstate Power and Light Co	Latimer, IA	715 GWh	Dec 2019	Jul 2026	Wind
Red Barn Energy	Wisconsin Public Service Corp	Montfort, WI	255 GWh	Mar 2023	Jul 2026	Wind
Sapphire Sky Wind Energy LLC	Invenergy Services LLC	Farmer City, IL	967 GWh	Nov 2021	Jul 2026	Wind

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