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
Waterville CSG Solar Holdings LLC	Altus Power America Management, LLC	Waterville, MN	8 GWh	Feb 2018	Feb 2026	Solar
Turtle Creek Wind Farm LLC	Turtle Creek Wind Farm LLC	St. Ansgar, IA	699 GWh	Nov 2018	Feb 2026	Wind
LA3 West Baton Rouge Solar Facility	Sol Systems	West Baton Rouge, LA	113 GWh	Aug 2020	Feb 2026	Solar
Blazing Star 2 Wind Farm	Northern States Power Co - Minnesota	Hendricks, MN	843 GWh	Dec 2020	Feb 2026	Wind
Sherburne Community Solar	AEP Onsite Partners, LLC	Clear Lake, MN	8 GWh	Feb 2018	Feb 2026	Solar
Foxtail Wind, LLC	Foxtail Wind, LLC	Forbes, ND	589 GWh	Dec 2019	Feb 2026	Wind
Meadow Lake Wind Farm VI LLC	Meadow Lake Wind Farm VI LLC	Remington, IN	635 GWh	Oct 2018	Feb 2026	Wind
Bishop Hill III	Invenergy Services LLC	Cambridge, IL	423 GWh	May 2018	Feb 2026	Wind
Ivester Wind Farm	MidAmerican Energy Co	Wellsburg, IA	320 GWh	Nov 2018	Feb 2026	Wind
Pegasus Wind	Pegasus Wind, LLC	Reese, MI	383 GWh	Nov 2019	Feb 2026	Wind
Nautilus Lindstrom Solar (CSG)	Nautilus Solar Solutions	Lindstrom, MN	4 GWh	Feb 2019	Feb 2026	Solar
Nautilus Saint Cloud Solar (CSG)	Nautilus Solar Solutions	Saint Cloud, MN	8 GWh	Mar 2019	Feb 2026	Solar
Nautilus Winsted Solar (CSG)	Nautilus Solar Solutions	Winsted, MN	5 GWh	Mar 2019	Feb 2026	Solar
Glaciers Edge Wind Project	EDF Renewable Asset Holdings, Inc.	Cleghorn, IA	805 GWh	Nov 2019	Feb 2026	Wind
Whispering Willow North	Interstate Power and Light Co	Latimer, IA	712 GWh	Dec 2019	Feb 2026	Wind
Richland (IA)	Interstate Power and Light Co	Odebolt, IA	483 GWh	Aug 2020	Feb 2026	Wind
Golden Plains	Interstate Power and Light Co	Buffalo Center, IA	753 GWh	Feb 2020	Feb 2026	Wind
Kossuth	Wisconsin Power & Light Co	Lu Verne, IA	524 GWh	Sep 2020	Feb 2026	Wind
Arbor Hill Wind Farm	MidAmerican Energy Co	Greenfield, IA	1 TWh	Nov 2018	Feb 2026	Wind
North English	MidAmerican Energy Co	Montezuma, IA	1 TWh	Nov 2018	Feb 2026	Wind
Blue Water Energy Center	DTE Electric Company	East China, MI	8 TWh	May 2022	Feb 2026	Natural Gas
Stoneray Power Partners, LLC	EDF Renewable Asset Holdings, Inc.	Woodstock, MN	363 GWh	Jan 2019	Feb 2026	Wind
Polaris Wind Park	DTE Electric Company	North Star Township, MI	455 GWh	Apr 2020	Feb 2026	Wind
Nobles 2 Wind Project	Nobles 2 Power Partners, LLC	Wilmont, MN	950 GWh	Nov 2020	Feb 2026	Wind
Emmons-Logan Wind, LLC	Emmons-Logan Wind, LLC	Linton, ND	859 GWh	Nov 2019	Feb 2026	Wind
Prairie State Solar Project	Prairie State Solar, LLC	Swanwick Township, IL	225 GWh	Jun 2021	Feb 2026	Solar
Assembly Solar Project	Assembly Solar I, LLC	Venice Township, MI	102 GWh	Nov 2020	Feb 2026	Solar
High Prairie Wind Farm	Union Electric Co - (MO)	Queen City, MO	675 GWh	Nov 2020	Feb 2026	Wind
Searcy Solar Hybrid	Searcy Solar, LLC	Searcy, AR	190 GWh	Dec 2021	Feb 2026	Solar
Phoenix Solar South Farms LLC Solar Farm	Phoenix Solar South Farms LLC	Champaign, IL	6 GWh	Nov 2015	Feb 2026	Solar
Ida Grove II	MidAmerican Energy Co	Ida Grove, IA	699 GWh	Nov 2019	Feb 2026	Wind
Fairbanks Wind Park	DTE Electric Company	Garden, MI	193 GWh	Dec 2021	Feb 2026	Wind
Rosewater Wind Farm	Rosewater Wind Farm LLC	Chalmers, IN	307 GWh	Nov 2020	Feb 2026	Wind
Prairie Wolf Solar LLC	National Grid Renewables	Ashmore Township, IL	378 GWh	Oct 2021	Feb 2026	Solar
Glen Ullin Energy Center	ALLETE Clean Energy	Glen Ullin, ND	426 GWh	Nov 2019	Feb 2026	Wind
Deuel Harvest Wind Energy LLC	Southern Power Co	Clear Lake, SD	1 TWh	Jan 2021	Feb 2026	Wind
Badger Hollow I	Wisconsin Public Service Corp	Montfort, WI	203 GWh	Oct 2021	Feb 2026	Solar
Palo Alto Wind Farm	MidAmerican Energy Co	Emmetsburg, IA	1 TWh	Dec 2019	Feb 2026	Wind
Two Creeks Solar	Wisconsin Public Service Corp	Two Rivers, WI	193 GWh	Oct 2020	Feb 2026	Solar
Iris Solar LLC	Iris Solar LLC	Franklinton, LA	117 GWh	Sep 2022	Feb 2026	Solar
Delta Energy Park	Lansing Board of Water and Light	Lansing, MI	1 TWh	Feb 2022	Feb 2026	Natural Gas
Crowned Ridge Wind II Energy Center	Northern States Power Co - Minnesota	Watertown, SD	848 GWh	Nov 2020	Feb 2026	Wind
Cerro Gordo Wind Farm	Cerro Gordo Wind Farm	Union, IA	168 GWh	Jul 2020	Feb 2026	Wind
Chicot Solar	Chicot Solar, LLC	Lake Village, AR	213 GWh	Aug 2020	Feb 2026	Solar
Wapello Solar LLC	Wapello Solar LLC	Wapello, IA	203 GWh	Feb 2021	Feb 2026	Solar
Bennington Wind	Minonk Stewardship Wind LLC	Minonk, IL	300 GWh	Sep 2021	Feb 2026	Wind
Jordan Creek Wind Farm, LLC	Jordan Creek Wind Farm, LLC	Judyville, IN	1 TWh	Nov 2020	Feb 2026	Wind
Assembly Solar II LLC	Assembly Solar II LLC	Lennon, MI	229 GWh	Nov 2021	Feb 2026	Solar
Isabella Wind Park	DTE Electric Company	Rosebush, MI	833 GWh	May 2021	Feb 2026	Wind
Contrail Wind Farm	MidAmerican Energy Co	Bedford, IA	327 GWh	Nov 2020	Feb 2026	Wind
Southern Hills Wind Farm	MidAmerican Energy Co	Creston, IA	793 GWh	Feb 2021	Feb 2026	Wind
Diamond Trail Wind Farm	MidAmerican Energy Co	Ladora, IA	851 GWh	Nov 2020	Feb 2026	Wind
Crescent Wind Park	Consumers Energy Co - (MI)	Hillsdale, MI	368 GWh	Jan 2021	Feb 2026	Wind
Gratiot Farms Wind Project	Consumers Energy Co - (MI)	Carson City, MI	341 GWh	Nov 2020	Feb 2026	Wind
Happy Solar 1	Lightsource Renewable Energy Asset Management, LLC	Searcy, AR	216 GWh	Sep 2023	Feb 2026	Solar
Panther Creek Wind Project	Greenbacker Renewable Energy Corporation	Pittsfield, IL	148 GWh	-	Feb 2026	Wind
Troy Solar	Southern Indiana Gas & Elec Co	Troy, IN	94 GWh	Mar 2021	Feb 2026	Solar
West Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	4 TWh	Apr 2020	Feb 2026	Natural Gas : 99.9%
Sunflower County	Sunflower County Solar Project, LLC	Ruleville, MS	166 GWh	Aug 2022	Feb 2026	Solar
Independence Wind Farm	Independence Wind Energy LLC	Manchester, IA	207 GWh	Nov 2021	Feb 2026	Wind
Assembly Solar III	Assembly Solar III, LLC	Lennon, MI	166 GWh	Dec 2021	Feb 2026	Solar
Dressor Plains Solar, LLC	Dressor Plains Solar, LLC	Herrick, IL	232 GWh	Aug 2021	Feb 2026	Solar
Indiana Crossroads Wind Farm LLC	Indiana Crossroads Wind Farms LLC	Chalmers, IN	881 GWh	Nov 2021	Feb 2026	Wind
Badger Wind, LLC	Badger Wind , LLC	Northwest McIntosh, ND	134 GWh	-	Feb 2026	Wind
Glacier Sands Wind Power, LLC	Glacier Sands Wind Power, LLC	Mason City, IL	627 GWh	Oct 2021	Feb 2026	Wind
Badger Hollow II	Wisconsin Electric Power Co	Cobb, WI	211 GWh	Nov 2023	Feb 2026	Solar
Point Beach Solar	Point Beach Solar	Two Creeks, WI	204 GWh	Aug 2021	Feb 2026	Solar
Calhoun County Solar Project	AES Clean Energy	Sheridan Township, MI	235 GWh	-	Feb 2026	Solar
Darien Solar	Wisconsin Electric Power Co	Darien, WI	355 GWh	-	Feb 2026	Solar
Prairie Solar LLC	MN8 Energy LLC	Sidney, IL	25 GWh	-	Feb 2026	Solar
Freeborn Wind Farm	Northern States Power Co - Minnesota	Glenville, MN	762 GWh	Apr 2021	Feb 2026	Wind
Big River Solar	Big River Solar, LLC	Norris City, IL	317 GWh	Jul 2022	Feb 2026	Solar
Heartland Divide II	Heartland Divide II	Audubon, IA	781 GWh	Feb 2022	Feb 2026	Wind
Sac County Wind, LLC	Sac County Wind	Sac City, IA	312 GWh	Nov 2021	Feb 2026	Wind
Plymouth Wind	MidAmerican Energy Co	Remsen, IA	778 GWh	Dec 2021	Feb 2026	Wind
Holliday Creek Solar	MidAmerican Energy Co	Fort Dodge, IA	208 GWh	Jun 2022	Feb 2026	Solar
Arbor Hill Solar	MidAmerican Energy Co	Greenfield, IA	46 GWh	Dec 2021	Feb 2026	Solar
Calhoun Solar	Invenergy Services LLC	Battle Creek, MI	355 GWh	Nov 2022	Feb 2026	Solar
Cassville Solar	Wisconsin Power & Light Co	Cassville, WI	97 GWh	Nov 2023	Feb 2026	Solar
Springfield Solar (WI)	Wisconsin Power & Light Co	Lomira, WI	205 GWh	Nov 2023	Feb 2026	Solar
Albany Solar (WI)	Wisconsin Power & Light Co	Broadhead, WI	97 GWh	Nov 2023	Feb 2026	Solar
Paddock Solar	Wisconsin Power & Light Co	Beloit, WI	134 GWh	Oct 2023	Feb 2026	Solar
Wautoma Solar	Wisconsin Power & Light Co	Wautoma, WI	190 GWh	Nov 2023	Feb 2026	Solar
Beaver Dam Solar	Wisconsin Power & Light Co	Dodge, WI	100 GWh	Nov 2023	Feb 2026	Solar
Grant County	Wisconsin Power & Light Co	Town of Potosi, WI	378 GWh	Apr 2024	Feb 2026	Solar
Onion River	Wisconsin Power & Light Co	Sheboygan Cedar Grove, WI	258 GWh	Nov 2023	Feb 2026	Solar
Bear Creek (WI)	Wisconsin Power & Light Co	Lone Rock, WI	100 GWh	Aug 2022	Feb 2026	Solar
North Rock	Wisconsin Power & Light Co	Edgerton, WI	98 GWh	Sep 2022	Feb 2026	Solar
Wood County	Wisconsin Power & Light Co	Nekoosa, WI	278 GWh	Nov 2022	Feb 2026	Solar
Crawfish River	Wisconsin Power & Light Co	Jefferson, WI	131 GWh	Nov 2023	Feb 2026	Solar
Oxbow Solar 1	Lightsource Renewable Energy Asset Management, LLC	New Roads, LA	560 GWh	Jun 2024	Feb 2026	Solar
Hoot Lake Solar	Otter Tail Power Co	Fergus Falls, MN	75 GWh	Jul 2023	Feb 2026	Solar
Red Barn Energy	Wisconsin Public Service Corp	Montfort, WI	253 GWh	Mar 2023	Feb 2026	Wind
Sapphire Sky Wind Energy LLC	Invenergy Services LLC	Farmer City, IL	934 GWh	Nov 2021	Feb 2026	Wind
Meridian Wind Park	DTE Electric Company	Merrill, MI	492 GWh	Mar 2023	Feb 2026	Wind
Mulligan Solar, LLC	Mulligan Solar	Broadwell, IL	155 GWh	Jun 2022	Feb 2026	Solar
Ford County Wind Farm LLC	Ford Ridge	Ford County, IL	460 GWh	Feb 2022	Feb 2026	Wind
Ledyard Windpower, LLC	Duke Energy Renewables Services	Lakota, IA	637 GWh	Nov 2022	Feb 2026	Wind
West Memphis Solar Station	Entergy Arkansas LLC	Crawfordsville, AR	341 GWh	Nov 2024	Feb 2026	Solar
Big Cypress Solar, LLC	Big Cypress Solar, LLC	Crawfordsville, AR	429 GWh	Nov 2023	Feb 2026	Solar

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