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
Turrill Solar Farm	DTE Electric Company	Lapeer, MI	20 GWh	Apr 2017	Dec 2025	Solar
Velva Windfarm LLC	Acciona Wind Energy USA LLC	Velva, ND	20 GWh	Nov 2005	Dec 2025	Wind
Marshalltown	Interstate Power and Light Co	Marshalltown, IA	20 GWh	May 1978	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%
Hancock	DTE Electric Company	Commerce Twp, MI	20 GWh	Mar 1966	Dec 2025	Natural Gas
Jonesboro CWL Solar Park	City Water and Light Plant - (AR)	Jonesboro, AR	21 GWh	May 2022	Dec 2025	Solar
Blue Elk VII Solar, LLC	Blue Elk VII Solar, LLC	Flint, MI	21 GWh	Oct 2023	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%
Waseca Solar	Enel Green Power NA, Inc.	Waseca, MN	21 GWh	Nov 2016	Dec 2025	Solar
Moline	MidAmerican Energy Co	Moline, IL	21 GWh	Dec 1941	Dec 2025	Water : 97.0% Natural Gas : 3.0%
Rogers	Consumers Energy Co - (MI)	Big Rapids, MI	21 GWh	Dec 1921	Dec 2025	Water
GRS C&C	Gas Recovery Systems Inc	Marshall, MI	21 GWh	Jan 1995	Dec 2025	Landfill Gas
Galactic Wind	Galactic Wind	Waunakee, WI	21 GWh	Nov 2012	Dec 2025	Wind
Portage Solar Plant	Portage Solar Plant	Portage, WI	21 GWh	May 2023	Dec 2025	Solar
Waste Management Eco Vista LFGTE	WM Renewable Energy LLC	Springdale, AR	22 GWh	Oct 2010	Dec 2024	Natural Gas
Heartwood Solar	Heartwood Solar, LLC	Allen, MI	22 GWh	-	May 2026	Solar
Mondu Solar LLC	Mondu Solar LLC	Livonia, LA	22 GWh	-	May 2026	Solar
Archer Daniels Midland Mankato	Archer Daniels Midland Co	Mankato, MN	22 GWh	Sep 1987	Dec 2024	Natural Gas
Hodenpyl	Consumers Energy Co - (MI)	Mesick, MI	22 GWh	Jun 1925	Dec 2025	Water
Rochester Hydro	Rochester Public Utilities	Mazeppa, MN	22 GWh	Aug 1984	Dec 2025	Water
Little Chute	City of Kaukauna (WI)	Combined Locks, WI	22 GWh	May 1948	Dec 2025	Water
Livingston Generating Station	CMS Generation MI Power LLC	Gaylord, MI	22 GWh	May 1999	Dec 2025	Natural Gas
Menomonie	Northern States Power Co - Minnesota	Menomonie, WI	23 GWh	Dec 1957	Dec 2025	Water
Five Channels	Consumers Energy Co - (MI)	Oscoda, MI	23 GWh	Dec 1911	Dec 2025	Water
Oak Ridge LFGTE	Wabash Valley Power Assn, Inc	Logansport, IN	23 GWh	Nov 2003	Dec 2025	Landfill Gas
Eagle Valley (MI)	WM Renewable Energy LLC	Orion, MI	23 GWh	Jun 2011	Dec 2025	Landfill Gas
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%
Junction Hilltop Wind Farm	Junction Hilltop Management LLC	Dana, IA	24 GWh	Feb 2012	Dec 2025	Wind
Five Oaks Gas Recovery	WM Renewable Energy LLC	Taylorville, IL	24 GWh	Jan 2008	Dec 2025	Landfill 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%
Warner Lambert	University of Michigan NCampus Research	Ann Arbor, MI	24 GWh	Jul 1989	May 2026	Natural Gas
Cooke	Consumers Energy Co - (MI)	Oscoda, MI	24 GWh	Dec 1910	Dec 2025	Water
Wausau	Wisconsin Public Service Corp	Wausau, WI	24 GWh	Feb 1921	Dec 2025	Water
Spruce Ridge Gas Recovery	WM Renewable Energy LLC	Glencoe, MN	25 GWh	Mar 2008	Dec 2025	Landfill Gas
Letts Creek Solar, LLC	AES Distributed Energy	Grass Lake, MI	25 GWh	Nov 2022	Dec 2025	Solar
Sylvan Solar	ALLETE, Inc.	Pillager, MN	25 GWh	Jun 2023	Dec 2025	Solar
Delta Solar Power II	Delta Solar Power II, LLC	Grand Ledge, MI	25 GWh	Jun 2018	Dec 2025	Solar
Peoples Generating Station	Sagepoint Energy	Ann Arbor, MI	25 GWh	Aug 1995	Dec 2025	Landfill Gas
Alcona	Consumers Energy Co - (MI)	Glennie, MI	26 GWh	Dec 1923	Dec 2025	Water
Jasper County Solar Project	Biscayne Falls SPV, LLC	Heber, IN	26 GWh	Nov 2025	May 2026	Solar
Lennon Generating	North American Natural Res	Lennon, MI	26 GWh	Jan 2001	Dec 2025	Landfill Gas
Kingsford	Wisconsin Electric Power Co	Kingsford, MI	26 GWh	Apr 1924	Dec 2025	Water
Watervliet	Energy Developments, Inc d/b/a EDL	Watervliet, MI	26 GWh	Jan 2013	Dec 2025	Landfill Gas
Stevens Point	Consolidated Water Power Co	Stevens Point, WI	26 GWh	Dec 1917	Dec 2025	Water
CED Centerville Wind	RWE Clean Energy	Centerville, IA	26 GWh	Nov 2021	Dec 2025	Wind
Burlington (IA)	Interstate Power and Light Co	Burlington, IA	26 GWh	May 1968	May 2026	Natural Gas
McClure Dam	Upper Peninsula Power Company	Marquette, MI	26 GWh	Jan 1988	Dec 2025	Water
Columbia (MO)	City of Columbia - (MO)	Columbia, MO	27 GWh	Dec 1956	Dec 2025	Landfill Gas : 69.6% Natural Gas : 30.4%
McClellan (AR)	Arkansas Electric Coop Corp	Camden, AR	27 GWh	Apr 1972	Oct 2025	Natural Gas : 85.3% Distillate Fuel Oil : 14.7%
Crane Solar Facility	Duke Energy Indiana, LLC	Crane, IN	27 GWh	Dec 2016	Dec 2025	Solar
Little Falls (MN)	ALLETE, Inc.	Little Falls, MN	27 GWh	Dec 1905	Dec 2025	Water
Big Falls	Northern States Power Co - Minnesota	Glen Fora, WI	27 GWh	Dec 1921	Dec 2025	Water
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%
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%
Foote	Consumers Energy Co - (MI)	Oscoda, MI	28 GWh	Dec 1917	Dec 2025	Water
Hutchinson Plant #2	Hutchinson Utilities Comm	Hutchinson, MN	28 GWh	Oct 1994	Dec 2025	Natural Gas
CED Manchester Wind	RWE Clean Energy	Manchester, IA	28 GWh	Mar 2022	Dec 2025	Wind
Central Michigan University	Central Michigan University	Mt. Pleasant, MI	29 GWh	Nov 1987	May 2026	Natural Gas
Genesee Solar Project	Genesee Solar Energy, LLC	Flint, MI	29 GWh	Nov 2025	May 2026	Solar
Michigamme Falls	Wisconsin Electric Power Co	Crystal Falls, MI	29 GWh	May 1953	Dec 2025	Water
CED Mason City Wind	RWE Clean Energy	Mason City, IA	29 GWh	Apr 2020	Dec 2025	Wind
Croton	Consumers Energy Co - (MI)	Newaygo, MI	29 GWh	Dec 1906	Dec 2025	Water
Norway (MI)	City of Norway - (MI)	Norway, MI	30 GWh	May 1905	Dec 2025	Water
Biron	Consolidated Water Power Co	Biron, WI	30 GWh	Dec 1895	Dec 2025	Water
Two Pine Landfill Gas Recovery	WM Renewable Energy LLC	North Little Rock, AR	30 GWh	Sep 2006	Dec 2025	Landfill Gas
SAF Hydroelectric LLC	SAF Hydroelectric LLC	Minneapolis, MN	30 GWh	Nov 2011	Dec 2025	Water
Sartell Dam	Eagle Creek Renewable Energy, LLC	Sartell, MN	30 GWh	Feb 1985	Dec 2025	Water
Sycamore (IA)	MidAmerican Energy Co	Johnston, IA	30 GWh	Jul 1974	Dec 2025	Natural Gas
Bryon Center	Energy Developments, Inc d/b/a EDL	Byron Center, MI	31 GWh	Feb 2009	Dec 2025	Landfill Gas
Cedar Falls (WI)	Northern States Power Co - Minnesota	Menomonie, WI	31 GWh	Dec 1909	Dec 2025	Water
Kaukauna City Hydro	City of Kaukauna (WI)	Kaukauna, WI	31 GWh	Nov 1940	Dec 2025	Water
Lake Mills Gas Recovery	WM Renewable Energy LLC	Lake Mills, IA	32 GWh	Feb 2006	Dec 2025	Landfill Gas
Windom Wind Project	Midwest Power Partners LLC	Bingham Lake, MN	32 GWh	Feb 2006	Dec 2025	Wind
Newton Solar BESS LLC	Vistra Corp	Newton, IL	32 GWh	-	May 2026	Solar
Cement City Solar, LLC	AES Distributed Energy	Cement City, MI	32 GWh	Dec 2022	Dec 2025	Solar
Glen Ullin Station 6	Montana-Dakota Utilities Co	Glen Ullin, ND	32 GWh	Jun 2009	Dec 2025	Waste Heat
Hardin Hilltop Wind LLC	Junction Hilltop Management LLC	Jefferson, IA	32 GWh	Apr 2007	Dec 2024	Wind
Odin Wind Farm LLC	Aspenall Energies (Delaware), LLC	Mountainlake, MN	32 GWh	Apr 2008	Dec 2025	Wind
Deertrack Park Gas Recovery	WM Renewable Energy LLC	Watertown, WI	33 GWh	Jan 2006	Dec 2025	Landfill Gas
White Rapids	Wisconsin Electric Power Co	Stephenson, MI	33 GWh	Sep 1927	Dec 2025	Water
Cascade Creek	Rochester Public Utilities	Rochester, MN	33 GWh	May 1975	Dec 2025	Natural Gas : 98.4% Distillate Fuel Oil : 1.6%
Pullman Solar, LLC	AES Distributed Energy	Lee Township, MI	33 GWh	Nov 2022	Dec 2025	Solar
East. Michigan Univ. Heating Plant	East. Michigan Univ. Heating Plant	Ypsilanti, MI	33 GWh	Sep 1987	Dec 2025	Natural Gas
Germantown	Wisconsin Electric Power Co	Germantown, WI	33 GWh	Jun 1978	Dec 2025	Natural Gas : 83.1% Distillate Fuel Oil : 16.9%
BioTown Ag	Bio Town Biogas, LLC	Reynolds, IN	33 GWh	May 2011	Dec 2024	Other Biomass Gas
Dane County Solar LLC	Dane County Solar LLC	Cottage Grove, WI	34 GWh	May 2023	Dec 2025	Solar
Chalk Hill	Wisconsin Electric Power Co	Stephenson, MI	34 GWh	Apr 1927	Dec 2025	Water
POET Biorefining - Shelbyville	POET Biorefining- Shelbyville	Shelbyville, IN	34 GWh	May 2020	Dec 2025	Natural Gas
Alsey	Prairie Power, Inc	Alsey, IL	35 GWh	May 1999	Dec 2025	Natural Gas : 99.8%
DePue Holdings, LLC	DePue Holdings, LLC	DePue, IL	35 GWh	Jan 2023	Dec 2025	Solar
Ergon Refining Vicksburg	Ergon Refining Inc	Vicksburg, MS	35 GWh	Feb 1995	Dec 2025	Natural Gas
Grand Rapids	Wisconsin Public Service Corp	Ingalls, MI	35 GWh	May 1918	Dec 2025	Water
Blue Elk II Solar, LLC	Blue Elk II Solar, LLC	Mason, MI	35 GWh	Apr 2024	Dec 2025	Solar
Greenstone Solar, LLC	Greenstone Solar, LLC	Coldwater, MI	35 GWh	Sep 2023	Dec 2025	Solar
Redfield Solar	Redfield PV I, LLC	Sheridan, AR	36 GWh	-	May 2026	Solar
Du Bay	Consolidated Water Power Co	Eau Pleine, WI	36 GWh	Dec 1941	Dec 2025	Water
Port Edwards Mill	Domtar Industries Inc	Port Edwards, WI	37 GWh	Dec 1912	May 2026	Water
Dells	Northern States Power Co - Minnesota	Eau Claire, WI	37 GWh	Dec 1922	Dec 2025	Water
Blue Elk III Solar, LLC	Blue Elk III Solar, LLC	Eaton Rapids, MI	37 GWh	Nov 2023	Dec 2025	Solar
Sterlington Solar	Entergy Louisiana LLC	Sterlington, LA	37 GWh	-	May 2026	Solar

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