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
Bryon Center	Energy Developments, Inc d/b/a EDL	Byron Center, MI	31 GWh	Feb 2009	Dec 2025	Landfill Gas
Sycamore (IA)	MidAmerican Energy Co	Johnston, IA	30 GWh	Jul 1974	Dec 2025	Natural Gas
Sartell Dam	Eagle Creek Renewable Energy, LLC	Sartell, MN	30 GWh	Feb 1985	Dec 2025	Water
SAF Hydroelectric LLC	SAF Hydroelectric LLC	Minneapolis, MN	30 GWh	Nov 2011	Dec 2025	Water
Two Pine Landfill Gas Recovery	WM Renewable Energy LLC	North Little Rock, AR	30 GWh	Sep 2006	Dec 2025	Landfill Gas
Biron	Consolidated Water Power Co	Biron, WI	30 GWh	Dec 1895	Dec 2025	Water
Norway (MI)	City of Norway - (MI)	Norway, MI	30 GWh	May 1905	Dec 2025	Water
Croton	Consumers Energy Co - (MI)	Newaygo, MI	29 GWh	Dec 1906	Dec 2025	Water
CED Mason City Wind	RWE Clean Energy	Mason City, IA	29 GWh	Apr 2020	Dec 2025	Wind
Michigamme Falls	Wisconsin Electric Power Co	Crystal Falls, MI	29 GWh	May 1953	Dec 2025	Water
Genesee Solar Project	Genesee Solar Energy, LLC	Flint, MI	29 GWh	Nov 2025	May 2026	Solar
Central Michigan University	Central Michigan University	Mt. Pleasant, MI	29 GWh	Nov 1987	May 2026	Natural Gas
CED Manchester Wind	RWE Clean Energy	Manchester, IA	28 GWh	Mar 2022	Dec 2025	Wind
Hutchinson Plant #2	Hutchinson Utilities Comm	Hutchinson, MN	28 GWh	Oct 1994	Dec 2025	Natural Gas
Foote	Consumers Energy Co - (MI)	Oscoda, MI	28 GWh	Dec 1917	Dec 2025	Water
POET Biorefining - Chancellor	POET Biorefining- Chancellor	Chancellor, SD	28 GWh	Jul 2018	Dec 2025	Wood/Wood Waste Solids : 70.4% Natural Gas : 25.9% Landfill Gas : 3.8%
Southern Minnesota Beet Sugar	Southern Minnesota Beet Sugar	Renville, MN	28 GWh	Aug 1976	May 2026	Subbituminous Coal : 70.1% Natural Gas : 29.2% Residual Fuel Oil : 0.6%
Big Falls	Northern States Power Co - Minnesota	Glen Fora, WI	27 GWh	Dec 1921	Dec 2025	Water
Little Falls (MN)	ALLETE, Inc.	Little Falls, MN	27 GWh	Dec 1905	Dec 2025	Water
Crane Solar Facility	Duke Energy Indiana, LLC	Crane, IN	27 GWh	Dec 2016	Dec 2025	Solar
McClellan (AR)	Arkansas Electric Coop Corp	Camden, AR	27 GWh	Apr 1972	Oct 2025	Natural Gas : 85.3% Distillate Fuel Oil : 14.7%
Columbia (MO)	City of Columbia - (MO)	Columbia, MO	27 GWh	Dec 1956	Dec 2025	Landfill Gas : 69.6% Natural Gas : 30.4%
McClure Dam	Upper Peninsula Power Company	Marquette, MI	26 GWh	Jan 1988	Dec 2025	Water
Burlington (IA)	Interstate Power and Light Co	Burlington, IA	26 GWh	May 1968	May 2026	Natural Gas
CED Centerville Wind	RWE Clean Energy	Centerville, IA	26 GWh	Nov 2021	Dec 2025	Wind
Stevens Point	Consolidated Water Power Co	Stevens Point, WI	26 GWh	Dec 1917	Dec 2025	Water
Watervliet	Energy Developments, Inc d/b/a EDL	Watervliet, MI	26 GWh	Jan 2013	Dec 2025	Landfill Gas
Kingsford	Wisconsin Electric Power Co	Kingsford, MI	26 GWh	Apr 1924	Dec 2025	Water
Lennon Generating	North American Natural Res	Lennon, MI	26 GWh	Jan 2001	Dec 2025	Landfill Gas
Jasper County Solar Project	Biscayne Falls SPV, LLC	Heber, IN	26 GWh	Nov 2025	May 2026	Solar
Alcona	Consumers Energy Co - (MI)	Glennie, MI	26 GWh	Dec 1923	Dec 2025	Water
Peoples Generating Station	Sagepoint Energy	Ann Arbor, MI	25 GWh	Aug 1995	Dec 2025	Landfill Gas
Delta Solar Power II	Delta Solar Power II, LLC	Grand Ledge, MI	25 GWh	Jun 2018	Dec 2025	Solar
Sylvan Solar	ALLETE, Inc.	Pillager, MN	25 GWh	Jun 2023	Dec 2025	Solar
Letts Creek Solar, LLC	AES Distributed Energy	Grass Lake, MI	25 GWh	Nov 2022	Dec 2025	Solar
Spruce Ridge Gas Recovery	WM Renewable Energy LLC	Glencoe, MN	25 GWh	Mar 2008	Dec 2025	Landfill Gas
Wausau	Wisconsin Public Service Corp	Wausau, WI	24 GWh	Feb 1921	Dec 2025	Water
Cooke	Consumers Energy Co - (MI)	Oscoda, MI	24 GWh	Dec 1910	Dec 2025	Water
Warner Lambert	University of Michigan NCampus Research	Ann Arbor, MI	24 GWh	Jul 1989	May 2026	Natural Gas
University of Northern Iowa	University of Northern Iowa	Cedar Falls, IA	24 GWh	Oct 1982	May 2026	Natural Gas : 71.2% Petroleum Coke : 20.2% Bituminous Coal : 8.4%
Five Oaks Gas Recovery	WM Renewable Energy LLC	Taylorville, IL	24 GWh	Jan 2008	Dec 2025	Landfill Gas
Junction Hilltop Wind Farm	Junction Hilltop Management LLC	Dana, IA	24 GWh	Feb 2012	Dec 2025	Wind
MMSD South Shore Wastewater	Milwaukee Metro Sewerage Dist	Oak Creek, WI	23 GWh	Jul 2000	Dec 2025	Other Biomass Gas : 88.5% Natural Gas : 11.5%
Eagle Valley (MI)	WM Renewable Energy LLC	Orion, MI	23 GWh	Jun 2011	Dec 2025	Landfill Gas
Oak Ridge LFGTE	Wabash Valley Power Assn, Inc	Logansport, IN	23 GWh	Nov 2003	Dec 2025	Landfill Gas
Five Channels	Consumers Energy Co - (MI)	Oscoda, MI	23 GWh	Dec 1911	Dec 2025	Water
Menomonie	Northern States Power Co - Minnesota	Menomonie, WI	23 GWh	Dec 1957	Dec 2025	Water
Livingston Generating Station	CMS Generation MI Power LLC	Gaylord, MI	22 GWh	May 1999	Dec 2025	Natural Gas
Little Chute	City of Kaukauna (WI)	Combined Locks, WI	22 GWh	May 1948	Dec 2025	Water
Rochester Hydro	Rochester Public Utilities	Mazeppa, MN	22 GWh	Aug 1984	Dec 2025	Water
Hodenpyl	Consumers Energy Co - (MI)	Mesick, MI	22 GWh	Jun 1925	Dec 2025	Water
Archer Daniels Midland Mankato	Archer Daniels Midland Co	Mankato, MN	22 GWh	Sep 1987	Dec 2024	Natural Gas
Mondu Solar LLC	Mondu Solar LLC	Livonia, LA	22 GWh	-	May 2026	Solar
Heartwood Solar	Heartwood Solar, LLC	Allen, MI	22 GWh	-	May 2026	Solar
Waste Management Eco Vista LFGTE	WM Renewable Energy LLC	Springdale, AR	22 GWh	Oct 2010	Dec 2024	Natural Gas
Portage Solar Plant	Portage Solar Plant	Portage, WI	21 GWh	May 2023	Dec 2025	Solar
Galactic Wind	Galactic Wind	Waunakee, WI	21 GWh	Nov 2012	Dec 2025	Wind
GRS C&C	Gas Recovery Systems Inc	Marshall, MI	21 GWh	Jan 1995	Dec 2025	Landfill Gas
Rogers	Consumers Energy Co - (MI)	Big Rapids, MI	21 GWh	Dec 1921	Dec 2025	Water
Moline	MidAmerican Energy Co	Moline, IL	21 GWh	Dec 1941	Dec 2025	Water : 97.0% Natural Gas : 3.0%
Waseca Solar	Enel Green Power NA, Inc.	Waseca, MN	21 GWh	Nov 2016	Dec 2025	Solar
City of Peru Plank Road Generating Station	City of Peru - (IL)	Peru, IL	21 GWh	Sep 1968	May 2026	Water : 97.9% Distillate Fuel Oil : 1.8%
Blue Elk VII Solar, LLC	Blue Elk VII Solar, LLC	Flint, MI	21 GWh	Oct 2023	Dec 2025	Solar
Jonesboro CWL Solar Park	City Water and Light Plant - (AR)	Jonesboro, AR	21 GWh	May 2022	Dec 2025	Solar
Hancock	DTE Electric Company	Commerce Twp, MI	20 GWh	Mar 1966	Dec 2025	Natural Gas
South Fond Du Lac	Wisconsin Power & Light Co	Fond du Lac, WI	20 GWh	Apr 1993	Dec 2025	Natural Gas : 99.8%
Marshalltown	Interstate Power and Light Co	Marshalltown, IA	20 GWh	May 1978	Dec 2025	Natural Gas
Velva Windfarm LLC	Acciona Wind Energy USA LLC	Velva, ND	20 GWh	Nov 2005	Dec 2025	Wind
Turrill Solar Farm	DTE Electric Company	Lapeer, MI	20 GWh	Apr 2017	Dec 2025	Solar
Island Street Peaking Plant	WPPI Energy	Kaukauna, WI	20 GWh	May 2004	Dec 2025	Natural Gas
Logansport Solar	Cardinal Renewables	Logansport, IN	20 GWh	Aug 2021	Dec 2025	Solar
Truman Solar	Agilitas Energy, Inc.	Colombia, MO	20 GWh	May 2021	Dec 2025	Solar
Sagamore Plant Cogeneration	Tate & Lyle Ingredients Americas Inc	Lafayette, IN	20 GWh	Sep 1984	May 2026	Natural Gas
Surbrook Solar, LLC	Surbrook Solar, LLC	Rives Junction, MI	20 GWh	Aug 2024	Dec 2025	Solar
Blue Water Renewables Inc	Blue Water Renewables Inc	Kimball Township, MI	20 GWh	Nov 2011	Dec 2025	Landfill Gas
Deercroft I & II LFGTE	Wabash Valley Power Assn, Inc	Michigan City, IN	19 GWh	Jul 1999	Dec 2025	Landfill Gas
Milam Gas Recovery	WM Illinois Renewable Energy LLC	East St. Lois, IL	19 GWh	Mar 1991	Dec 2025	Natural Gas
Caterpillar	Caterpillar Inc	Lafayette, IN	19 GWh	Nov 1983	May 2026	Natural Gas
Timberline Trail Gas Recovery	WM Renewable Energy LLC	Weyerhaeser, WI	19 GWh	Jan 2006	Dec 2025	Landfill Gas
Northern Cardinal Solar SCS IL 1, LLC	Arevon Energy, Inc.	Champaign, IL	19 GWh	Jan 2021	Dec 2025	Solar
Westside Solar	Westside Solar, LLC (Ecofin)	Rochester, MN	19 GWh	Nov 2022	Dec 2025	Solar
Marshfield Utilities Gas Plant	City of Marshfield - (WI)	Marshfield, WI	19 GWh	May 2011	Dec 2025	Natural Gas
IMPA Washington Solar Park 2	Indiana Municipal Power Agency	Washington, IN	19 GWh	Jun 2023	Dec 2025	Solar
Albany Solar	Enel Green Power NA, Inc.	Albany, MN	19 GWh	Nov 2016	Dec 2025	Solar
Venice	Union Electric Co - (MO)	Venice, IL	18 GWh	May 2002	Dec 2025	Natural Gas
Poet Bioprocessing Emmetsburg	Poet Bioprocessing Emmetsburg	Emmetsburg, IA	18 GWh	Nov 2023	Dec 2025	Natural Gas : 84.7% Other Biomass Solids : 15.3%
Lightfoot Solar, LLC	Lightfoot Solar, LLC	Luzerne, MI	18 GWh	Sep 2023	Dec 2025	Solar
Paynesville Solar	Enel Green Power NA, Inc.	Paynesville, MN	18 GWh	Nov 2016	Dec 2025	Solar
Winton	ALLETE, Inc.	Winton, MN	18 GWh	Jul 1923	Dec 2025	Water
Dane County Airport Solar	Madison Gas & Electric Co	Madison, WI	17 GWh	Nov 2020	Dec 2025	Solar
POET Biorefining - North Manchester, LLC	POET Biorefining - North Manchester, LLC	North Manchester, IN	17 GWh	May 2017	Dec 2025	Natural Gas
City of Peru Hydro-Electric Generating S	City of Peru - (IL)	Utica, IL	17 GWh	Aug 1996	Dec 2025	Water
Marshall Solar Plus LLC	Western Minnesota Mun Pwr Agny	Marshall, MN	17 GWh	Nov 2024	Dec 2025	Solar
Peru 2	Indiana Municipal Power Agency	Peru, IN	17 GWh	Mar 2021	Dec 2025	Solar
Wheaton	Northern States Power Co - Minnesota	Eau Claire, WI	17 GWh	Dec 1972	May 2025	Natural Gas : 97.4% Distillate Fuel Oil : 2.6%
Electrifarm	MidAmerican Energy Co	Waterloo, IA	17 GWh	Apr 1975	Dec 2025	Natural Gas
Agriwind	Agriwind Holdings, LLC	Tiskilwa, IL	17 GWh	Jun 2007	Dec 2025	Wind
Rock County Wind Fuel, LLC	Rock County Wind Fuel, LLC	Luverne, MN	17 GWh	Apr 2020	Dec 2025	Wind
Lakota Ridge LLC	Lakota Ridge, LLC (Longroad)	Hendricks, MN	17 GWh	Mar 1999	Dec 2024	Wind
Rapide Croche	City of Kaukauna (WI)	Kaukana, WI	17 GWh	Dec 1925	Dec 2025	Water

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