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	Jul 2026
Annual Generation	669.4 TWh
Power Plants	3,038
Utilities	1,345
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% Coal \| 26.5% Wind \| 14.9% Nuclear \| 13.9% Solar \| 5.7% Water \| 1.4% Other Fuel \| 0.6%

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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
Foote	Consumers Energy Co - (MI)	Oscoda, MI	28 GWh	Dec 1917	Dec 2025	Water
Hardy	Consumers Energy Co - (MI)	Newaygo, MI	65 GWh	May 1931	Dec 2025	Water
Alcona	Consumers Energy Co - (MI)	Glennie, MI	26 GWh	Dec 1923	Dec 2025	Water
J H Campbell	Consumers Energy Co - (MI)	West Olive, MI	5 TWh	Sep 1962	May 2026	Subbituminous Coal : 99.6%
Mio	Consumers Energy Co - (MI)	Mio, MI	14 GWh	Dec 1915	Dec 2025	Water
Loud	Consumers Energy Co - (MI)	Oscoda, MI	16 GWh	Dec 1912	Dec 2025	Water
Webber	Consumers Energy Co - (MI)	Lyons, MI	10 GWh	Dec 1906	Dec 2025	Water
Zeeland Generating Station	Consumers Energy Co - (MI)	Zeeland, MI	6 TWh	May 2001	May 2026	Natural Gas
Croton	Consumers Energy Co - (MI)	Newaygo, MI	29 GWh	Dec 1906	Dec 2025	Water
Cooke	Consumers Energy Co - (MI)	Oscoda, MI	24 GWh	Dec 1910	Dec 2025	Water
Rogers	Consumers Energy Co - (MI)	Big Rapids, MI	21 GWh	Dec 1921	Dec 2025	Water
Jackson Generating Station	Consumers Energy Co - (MI)	Jackson, MI	2 TWh	Jun 2002	May 2026	Natural Gas
Allegan Dam	Consumers Energy Co - (MI)	Allegan, MI	12 GWh	Dec 1934	Dec 2025	Water
C W Tippy	Consumers Energy Co - (MI)	Wellston, MI	56 GWh	Dec 1917	Dec 2025	Water
Muskegon Solar	Consumers Energy Co - (MI)	Muskegon, MI	117 GWh	-	May 2026	Solar
Heartland Farms	Consumers Energy Co - (MI)	Middleton, MI	462 GWh	Mar 2024	May 2026	Wind
Bissell Solar and Battery Generator	Consumers Energy Co - (MI)	Grand Rapids, MI	1 GWh	Aug 2021	Dec 2025	Solar
Crescent Wind Park	Consumers Energy Co - (MI)	Hillsdale, MI	359 GWh	Jan 2021	May 2026	Wind
Lake Winds Energy Park	Consumers Energy Co - (MI)	Ludington, MI	251 GWh	Oct 2012	Dec 2025	Wind
Gratiot Farms Wind Project	Consumers Energy Co - (MI)	Carson City, MI	333 GWh	Nov 2020	May 2026	Wind
Cross Winds Energy Park	Consumers Energy Co - (MI)	Unionville, MI	728 GWh	Nov 2014	Dec 2025	Wind
Grand Valley Solar Gardens	Consumers Energy Co - (MI)	Allendale, MI	4 GWh	Mar 2016	May 2026	Solar
Western Michigan Solar Gardens	Consumers Energy Co - (MI)	Kalamazoo, MI	2 GWh	Jul 2016	May 2026	Solar
Cooks Mill PV I	Cooks Mill PV I, LLC	Matoon, IL	45 GWh	-	May 2026	Solar
Moselle	Cooperative Energy	Moselle, MS	2 TWh	Jul 1970	May 2026	Natural Gas
R D Morrow	Cooperative Energy	Purvis, MS	3 TWh	Mar 1978	May 2026	Natural Gas
Silver Creek	Cooperative Energy	Prentiss, MS	282 GWh	May 2003	Dec 2025	Natural Gas
Sylvarena	Cooperative Energy	Raleigh, MS	262 GWh	Jun 2003	Dec 2025	Natural Gas
Benndale	Cooperative Energy	Benndale, MS	49 GWh	Sep 1969	Dec 2025	Natural Gas
Corvus Community Solar	Corvus Community Solar	Mankato, MN	8 GWh	Sep 2018	Dec 2025	Solar
LSP-Cottage Grove LP	Cottage Grove Operating Services LLC	Cottage Grove, MN	549 GWh	Sep 1997	Dec 2025	Natural Gas
Cottonwood Energy Company LP	Cottonwood Energy Company LP	Deweyville, TX	5 TWh	Jun 2003	May 2026	Natural Gas
Covanta Hennepin Energy	Covanta Energy Co	Minneapolis, MN	195 GWh	Sep 1989	May 2026	Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8%
Crane Garden	Crane Garden LLC	Lester Prairie, MN	2 GWh	Oct 2023	Dec 2025	Solar
Crater Community Solar	Crater Community Solar	Granite Falls, MN	5 GWh	Nov 2017	Dec 2025	Solar
Crocker Wind Farm	Crocker Wind Farm, LLC	Conde, SD	775 GWh	Oct 2019	May 2026	Wind
Crooked Creek PV I	Crooked Creek PV I, LLC	Salem, IL	42 GWh	-	May 2026	Solar
Crooked Lake Solar, LLC	Crooked Lake Solar, LLC	Blytheville, AR	391 GWh	Apr 2024	May 2026	Solar
Crossover Wind	Crossover Wind, LLC	Wynne, AR	402 GWh	May 2025	May 2026	Wind
Crossroads Solar (IN)	Crossroads Solar, LLC - (IN)	Van Buren Township, IN	142 GWh	Nov 2025	May 2026	Solar
Crowned Ridge Wind Energy Center	Crowned Ridge Wind, LLC	Watertown, SD	788 GWh	Nov 2019	May 2026	Wind
Crystal Lake 3 LLC	Crystal Lake 3 LLC	Britt, IA	231 GWh	Nov 2009	May 2026	Wind
Crossett Solar	Cubico USA, LLC	Crossett, AR	207 GWh	Aug 2024	May 2026	Solar
Delta's Edge Solar	Cubico USA, LLC	Greenwood, MS	145 GWh	Oct 2023	May 2026	Solar
Cumberland Rose	Cumberland Rose Wind Energy, LLC	Orient, IA	4 GWh	Jul 2012	Dec 2025	Wind
MU Combined Heat and Power Plant	Curators of the University of Missouri	Columbia, MO	200 GWh	Jun 1961	May 2026	Natural Gas : 77.2% Wood/Wood Waste Solids : 20.4% Bituminous Coal : 2.4%
Empire Solar	Cypress Creek Renewables	Farmington, MN	6 GWh	Nov 2016	Dec 2025	Solar
McDonald Solar Farm, LLC	Cypress Creek Renewables	West Terre Haute, IN	8 GWh	Nov 2015	Dec 2025	Solar
Staunton	Cypress Creek Renewables	Brazil, IN	6 GWh	Nov 2018	Dec 2025	Solar
Pastime Farm, LLC	Cypress Creek Renewables	Brazil, IN	9 GWh	Nov 2015	Dec 2025	Solar
Blue Lake Solar	Cypress Creek Renewables	Shakopee, MN	3 GWh	Nov 2016	Dec 2025	Solar
Flambeau Hydroelectric Station	Dairyland Power Coop	Ladysmith, WI	62 GWh	Dec 1950	Dec 2024	Water
John P Madgett	Dairyland Power Coop	Alma, WI	1 TWh	Oct 1979	May 2026	Subbituminous Coal : 99.5%
RockGen Energy Center	Dairyland Power Coop	Cambridge, WI	625 GWh	May 2001	May 2026	Natural Gas : 98.1% Distillate Fuel Oil : 1.9%
Elk Mound	Dairyland Power Coop	Elk Mound, WI	466 MWh	May 2001	Dec 2025	Natural Gas : 63.5% Distillate Fuel Oil : 36.5%
Dane County Solar LLC	Dane County Solar LLC	Cottage Grove, WI	34 GWh	May 2023	Dec 2025	Solar
Davenport Water Pollution Control Plant	Davenport, City of - (IA)	Davenport, IA	6 GWh	Apr 1995	Dec 2025	Other Biomass Gas : 63.5% Natural Gas : 36.5%
Dearborn Industrial Generation	Dearborn Industrial Gen Inc	Dearborn, MI	5 TWh	May 1999	May 2026	Natural Gas : 96.5% Blast Furnace Gas : 3.5%
Deerfield Wind Energy 2	Deerfield Wind Energy 2, LLC	Port Hope, MI	280 GWh	Feb 2023	May 2026	Wind
Deerfield Wind Energy, LLC	Deerfield Wind Energy, LLC	Kinde, MI	477 GWh	Jan 2017	May 2026	Wind
Delano	Delano Municipal Utilities (MN)	Delano, MN	53 MWh	Sep 1946	Dec 2025	Distillate Fuel Oil
Delphinus Community Solar	Delphinus Community Solar	Sauk Rapids, MN	3 GWh	Feb 2018	Dec 2025	Solar
Delta Solar Power I	Delta Solar Power I, LLC	Grand Ledge, MI	13 GWh	May 2018	Dec 2025	Solar
Delta Solar Power II	Delta Solar Power II, LLC	Grand Ledge, MI	25 GWh	Jun 2018	Dec 2025	Solar
DePue Holdings, LLC	DePue Holdings, LLC	DePue, IL	35 GWh	Jan 2023	Dec 2025	Solar
Des Moines Wastewater Reclamation Fac	Des Moines Metro WRF	Des Moines, IA	74 MWh	Jun 1991	Dec 2025	Natural Gas
DG AMP Solar Coldwater	DG AMP Solar, LLC	Coldwater, MI	2 GWh	Jan 2018	Dec 2025	Solar
Grand Casino Hinckley Solar	DG Central 1, LLC	Hinckley, MN	6 GWh	Apr 2022	Dec 2025	Solar
Hormel CSG Solar	DG Central 1, LLC	Montevideo, MN	2 GWh	Nov 2022	Dec 2025	Solar
DG Green Arrow	DG Green Arrow LLC	Pipestone, MN	2 GWh	Feb 2025	Dec 2025	Solar
Drummer Creek I Solar LLC	Dimension Energy LLC	Gibson City, IL	170 MWh	Nov 2025	Dec 2025	Solar
Towanda	Dimension Energy LLC	Shirley, IL	7 MWh	Nov 2025	Dec 2025	Solar
Medanos Solar LLC	Dimension Energy LLC	Homer, IL	96 MWh	Nov 2025	Dec 2025	Solar
South Belleville Solar, LLC	Dimension Energy LLC	Smithton Township, IL	385 MWh	Oct 2025	Dec 2025	Solar
DIVOCSG 13	DIVOCSG 13 LLC	Wabasha, MN	1 GWh	Mar 2025	Dec 2025	Solar
DIVOCSG 14 LLC	DIVOCSG 14 LLC	Wabasha, MN	862 MWh	May 2025	Dec 2025	Solar
Dodge Holdco Solar CSG	Dodge Holdco LLC	Kasson, MN	7 GWh	Jun 2017	Dec 2025	Solar
Dodge Renewables 1	Dodge Renewables 1, LLC	Dodge Center, MN	2 GWh	Jul 2022	Dec 2025	Solar
Dodge Renewables 2	Dodge Renewables 2, LLC	Hayfield, MN	2 GWh	Aug 2022	Dec 2025	Solar
Port Edwards Mill	Domtar Industries Inc	Port Edwards, WI	37 GWh	Dec 1912	May 2026	Water
Georgia-Pacific Corp - Nekoosa Mill	Domtar Industries Inc	Nekoosa, WI	160 GWh	Dec 1911	May 2026	Natural Gas : 43.1% Black Liquor : 41.5% Water : 15.5%
Kentucky Mills	Domtar Paper Company LLC	Hawesville, KY	338 GWh	May 2001	Dec 2025	Black Liquor : 75.4% Wood/Wood Waste Solids : 23.7% Natural Gas : 0.8%
Domtar Paper Company Rothschild	Domtar Paper Company Rothschild	Rothschild, WI	524 MWh	Dec 1909	Dec 2025	Water
Double Back Diamond	Double Back Diamond Solar Power, LLC	Virden, IL	961 GWh	Oct 2024	May 2026	Solar
LaO Energy Systems	Dow Chemical Co	Plaquemine, LA	1 TWh	May 1958	Dec 2024	Natural Gas : 84.1% Other Gas : 15.9%
Plaquemine Cogeneration Plant	Dow Chemical Co	Plaquemine, LA	6 TWh	Feb 2004	May 2026	Natural Gas : 97.4% Other Gas : 2.6%
Dow St Charles Operations	Dow Chemical Co - St Charles	Taft, LA	2 TWh	Nov 1996	May 2026	Natural Gas : 99.0% Other Gas : 1.0%
Dressor Plains Solar, LLC	Dressor Plains Solar, LLC	Herrick, IL	229 GWh	Aug 2021	May 2026	Solar
DSI Don Solar	DSI Don Solar LLC	Renville, MN	2 GWh	Jun 2024	Dec 2025	Solar
DSI Julie Solar	DSI Julie Solar LLC	Cold Spring, MN	2 GWh	Nov 2024	Dec 2025	Solar
Big Turtle Wind Farm 2	DTE Electric Company	Harbor Beach, MI	104 GWh	Sep 2016	Dec 2025	Wind
Fish Creek Solar Park	DTE Electric Company	Greenville, MI	49 GWh	-	May 2026	Solar
Meridian Wind Park	DTE Electric Company	Merrill, MI	479 GWh	Mar 2023	May 2026	Wind
Mission Road Solar Park	DTE Electric Company	Rosebush, MI	60 GWh	-	May 2026	Solar
Polaris Solar Park	DTE Electric Company	Ashley, MI	123 GWh	Jun 2025	May 2026	Solar
Pine River Solar Park	DTE Electric Company	Alma, MI	126 GWh	May 2025	May 2026	Solar
Sauk Solar Park	DTE Electric Company	Union City, MI	228 GWh	Dec 2024	May 2026	Solar
St Clair	DTE Electric Company	East China Twp, MI	7 GWh	Jul 1953	May 2026	Distillate Fuel Oil : 52.4% Natural Gas : 47.6%
Putnam (MI)	DTE Electric Company	Mayville, MI	129 MWh	May 1971	Dec 2025	Distillate Fuel Oil
Superior	DTE Electric Company	Superior Twp, MI	789 MWh	Sep 1966	Dec 2025	Distillate Fuel Oil

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	442.5 GWh	4
#26	Associated Electric Cooperative, Inc.	23.4 TWh	47
#13	Duke Energy Carolinas	112.6 TWh	577
#50	Duke Energy Progress West	4.5 TWh	15
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	33.9 TWh	25
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#5	Southwest Power Pool	306.8 TWh	856
#53	Southwestern Power Administration	4.1 TWh	34
#9	Tennessee Valley Authority	163.4 TWh	207

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#2	Midcontinent Independent System Operator, Inc.	669.4 TWh	3,038
#3	Electric Reliability Council of Texas, Inc.	494.1 TWh	1,471
#5	Southwest Power Pool	306.8 TWh	856
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#7	California Independent System Operator	169.4 TWh	2,135
#9	Tennessee Valley Authority	163.4 TWh	207
#10	Florida Power & Light Co.	152.2 TWh	187
#12	New York Independent System Operator	134.3 TWh	1,299
#13	Duke Energy Carolinas	112.6 TWh	577