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
Alliant Energy Neenah	Wisconsin Power & Light Co	Neenah, WI	483 GWh	Apr 2000	Dec 2025	Natural Gas
Petenwell	Wisconsin River Power Company	Necedah, WI	97 GWh	Jul 1949	Dec 2025	Water
Muskegon Solar	Consumers Energy Co - (MI)	Muskegon, MI	180 GWh	-	Jul 2026	Solar
Lorin Industries	Lorin Industries	Muskegon, MI	4 GWh	Dec 1989	Dec 2025	Natural Gas
Louisa	MidAmerican Energy Co	Muscatine, IA	4 TWh	Sep 1983	Jul 2026	Subbituminous Coal : 99.4% Natural Gas : 0.6%
Muscatine Plant #1	Board of Water Electric & Communications	Muscatine, IA	711 GWh	Mar 1958	Jul 2026	Subbituminous Coal : 99.8%
Morgan Solar 2, LLC CSG	Morgan Solar 2, LLC	Murrayville, IL	4 GWh	Oct 2020	Dec 2025	Solar
Morgan Solar 4, LLC CSG	Morgan Solar 4, LLC	Murrayville, IL	4 GWh	Nov 2020	Dec 2025	Solar
Munster Landfill Gas-to-Energy	Town of Munster	Munster, IN	4 GWh	Oct 2012	Dec 2024	Landfill Gas
Central Michigan University	Central Michigan University	Mt. Pleasant, MI	28 GWh	Nov 1987	Jul 2026	Natural Gas
Interchange Solar, LLC	Interchange Solar, LLC	Mt. Morris, MI	3 GWh	Nov 2020	Dec 2025	Solar
Captain Solar, LLC	Captain Solar, LLC	Mt. Morris, MI	4 GWh	Nov 2020	Dec 2025	Solar
Mt. Hope DPC Solar	SoCore Energy LLC	Mt. Hope, WI	2 GWh	Dec 2016	Jul 2026	Solar
Odin Wind Farm LLC	Aspenall Energies (Delaware), LLC	Mountainlake, MN	32 GWh	Apr 2008	Dec 2025	Wind
Odell Wind Farm	Algonquin Power Co	Mountain Lake, MN	769 GWh	Jun 2016	Dec 2025	Wind
Mountain Lake	City of Mountain Lake - (MN)	Mountain Lake, MN	3 GWh	Apr 1954	Dec 2025	Wind : 96.5% Distillate Fuel Oil : 1.9% Natural Gas : 1.6%
Taconite Ridge 1 Wind Energy Center	ALLETE, Inc.	Mountain Iron, MN	53 GWh	Apr 2008	Dec 2025	Wind
SABIC Innovative Plastics Mt. Vernon	SABIC IP Mt. Vernon, LLC	Mount Vernon, IN	584 GWh	May 1996	Jul 2026	Natural Gas
A B Brown	Southern Indiana Gas & Elec Co	Mount Vernon, IN	753 GWh	Feb 1979	Jul 2026	Natural Gas
Posey Solar	Southern Indiana Gas & Elec Co	Mount Vernon, IN	405 GWh	Apr 2025	Jul 2026	Solar
Brown County Wind Turbine	Adams Electric Cooperative	Mount Sterling, IL	3 MWh	Aug 2011	Feb 2025	Wind
Mosinee Mill	Ahlstrom-Munksjo NA Specialty Solutions, LLC	Mosinee, WI	95 GWh	Jun 1916	Jul 2026	Black Liquor : 41.5% Natural Gas : 27.8% Water : 14.2% Bituminous Coal : 10.5% Wood/Wood Waste Solids : 4.7% Sludge Waste : 1.1%
Moselle	Cooperative Energy	Moselle, MS	2 TWh	Jul 1970	Jul 2026	Natural Gas
Pearl River Solar Park LLC	Pearl River Solar Park, LLC	Morton, MS	423 GWh	Jun 2024	Jul 2026	Solar
FastSun12 CSG	Altus Power America Management, LLC	Morristown, MN	2 GWh	Jun 2021	Dec 2025	Solar
Heyer CSG	Heyer CSG LLC	Morristown, MN	1 GWh	May 2018	Dec 2025	Solar
Warsaw Solar CSG	Altus Power America Management, LLC	Morristown, MN	4 GWh	Jun 2020	Dec 2025	Solar
MSC-Rice01 LLC CSG	MSC-Rice01 LLC	Morristown, MN	2 GWh	Jun 2019	Dec 2025	Solar
Blue Goose Solar CSG	Blue Goose Solar	Morrison, IL	4 GWh	Nov 2020	Dec 2025	Solar
Abel Solar	SoCore Energy LLC	Morrison, IL	4 GWh	Nov 2021	Dec 2025	Solar
Speedway Solar, LLC	Speedway Solar, LLC	Morrison Town, IN	388 GWh	May 2025	Jul 2026	Solar
UMM Wind Turbine	University of Minnesota Morris Campus	Morris, MN	3 GWh	May 2011	Dec 2025	Wind
WCROC Wind Farm	University of Minnesota WCROC	Morris, MN	1 GWh	Feb 2005	Dec 2025	Wind
Tully 1	Greenbacker Renewable Energy Corporation	Morris, IL	2 GWh	Jun 2025	Dec 2025	Solar
Whillock	Arkansas Electric Coop Corp	Morrilton, AR	131 GWh	Sep 1993	Dec 2025	Water
Walnut Bend Solar Station PV	Entergy Arkansas LLC	Moro, AR	203 GWh	Aug 2024	Jul 2026	Solar
USS Rosebud Solar LLC	United States Solar Corporation	Morgan, MN	2 GWh	Jul 2022	Dec 2025	Solar
USS B&B Solar LLC CSG	Standard Solar	Morgan, MN	2 GWh	Aug 2020	Dec 2025	Solar
Morgan Community Solar	Morgan Community Solar	Morgan, MN	5 GWh	Mar 2017	Dec 2025	Solar
USS Cougar Solar LLC CSG	Standard Solar	Morgan, MN	2 GWh	Aug 2020	Dec 2025	Solar
USS Steamboat Solar LLC CSG	Standard Solar	Morgan, MN	2 GWh	Mar 2021	Dec 2025	Solar
USS Verde Solar LLC CSG	Standard Solar	Morgan, MN	2 GWh	Sep 2020	Dec 2025	Solar
USS Dot Com Solar LLC CSG	Standard Solar	Morgan, MN	2 GWh	Feb 2021	Dec 2025	Solar
Moreau	Union Electric Co - (MO)	Moreau, MO	2 GWh	Jul 1978	Dec 2025	Distillate Fuel Oil
Mora	City of Mora - (MN)	Mora, MN	1 GWh	Aug 1957	Dec 2025	Natural Gas : 71.2% Distillate Fuel Oil : 28.8%
SMMPA Methane Energy Facility	Southern Minnesota Mun P Agny	Mora, MN	3 GWh	Mar 2012	Dec 2025	Landfill Gas
Moose Lake	Moose Lake Water & Light Comm	Moose Lake, MN	128 MWh	Oct 1952	Dec 2025	Distillate Fuel Oil : 92.0% Natural Gas : 8.0%
MontSun Community Solar	Generate Capital	Montrose, MN	9 GWh	Nov 2017	Dec 2025	Solar
Montrose Solar	Enel Green Power NA, Inc.	Montrose, MN	6 GWh	Nov 2016	Dec 2025	Solar
Brent Run Generating Station	Energy Developments, Inc d/b/a EDL	Montrose, MI	50 GWh	Dec 1997	Dec 2025	Landfill Gas
Prairie Mist Solar	Prairie Mist Solar Project, LLC	Montrose, AR	229 GWh	Aug 2024	Jul 2026	Solar
Georgia-Pacific Monticello Paper	Georgia-Pacific Monticello LLC	Monticello, MS	517 GWh	May 1968	Dec 2025	Black Liquor : 49.5% Natural Gas : 33.6% Wood/Wood Waste Solids : 16.9%
Monticello Nuclear Facility	Northern States Power Co - Minnesota	Monticello, MN	5 TWh	May 1971	Jul 2026	Nuclear
Wright Kirby 1-5 CSG	Standard Solar	Monticello, MN	12 GWh	May 2019	Dec 2025	Solar
Monticello Project CSG	Madison Energy Investments LLC	Monticello, MN	7 GWh	Oct 2018	Sep 2025	Solar
USS Quail Solar LLC	United States Solar Corporation	Monticello, MN	2 GWh	Dec 2021	Dec 2025	Solar
SolarClub 10 LLC	Nautilus Solar Solutions	Monticello, MN	2 GWh	Nov 2020	Dec 2025	Solar
Twin Lakes Solar LLC	Twin Lakes Solar LLC	Monticello, IN	334 GWh	Nov 2024	Jul 2026	Solar
Liberty I & II LFGTE	Wabash Valley Power Assn, Inc	Monticello, IN	10 MWh	Jul 2005	Dec 2025	Landfill Gas
Oakdale	Northern Indiana Pub Serv Co	Monticello, IN	15 GWh	Oct 1925	Feb 2025	Water
Norway (IN)	Northern Indiana Pub Serv Co	Monticello, IN	12 GWh	May 1923	Dec 2025	Water
Montfort Wind Energy Center	Wisconsin Electric Power Co	Montfort, WI	50 GWh	May 2002	Jul 2026	Wind
Red Barn Energy	Wisconsin Public Service Corp	Montfort, WI	255 GWh	Mar 2023	Jul 2026	Wind
Badger Hollow I	Wisconsin Public Service Corp	Montfort, WI	201 GWh	Oct 2021	Jul 2026	Solar
North English	MidAmerican Energy Co	Montezuma, IA	1 TWh	Nov 2018	Jul 2026	Wind
Prairie Wind Farm	MidAmerican Energy Co	Montezuma, IA	606 GWh	Dec 2017	Jul 2026	Wind
English Farms	Interstate Power and Light Co	Montezuma, IA	584 GWh	Feb 2019	Jul 2026	Wind
Montezuma	City of Montezuma - (IA)	Montezuma, IA	115 MWh	Jul 1940	Dec 2025	Distillate Fuel Oil : 67.9% Natural Gas : 32.1%
Montevideo Solar LLC, CSG	Montevideo Solar LLC	Montevideo, MN	10 GWh	Dec 2018	Dec 2025	Solar
Taurus Community Solar	Taurus Community Solar	Montevideo, MN	6 GWh	Feb 2018	Dec 2025	Solar
USS Christoffer Solar LLC CSG	Standard Solar	Montevideo, MN	2 GWh	Aug 2020	Dec 2025	Solar
Hormel CSG Solar	DG Central 1, LLC	Montevideo, MN	2 GWh	Nov 2022	Dec 2025	Solar
MN CSG 2019-113	MN CSG 2019-113 LLC	Montevideo, MN	237 MWh	Sep 2025	Dec 2025	Solar
USS Rosewood Solar LLC (CSG)	United States Solar Corporation	Montevideo, MN	2 GWh	Jul 2024	Dec 2025	Solar
USS Riley Solar LLC (CSG)	United States Solar Corporation	Montevideo, MN	2 GWh	Nov 2023	Dec 2025	Solar
Macbeth Solar	Macbeth Solar, LLC	Montague, MI	38 GWh	Apr 2022	Dec 2025	Solar
Monroe (MI)	DTE Electric Company	Monroe, MI	15 TWh	Oct 1969	Jul 2026	Subbituminous Coal : 75.2% Bituminous Coal : 15.6% Petroleum Coke : 9.0%
Lafitte Solar, LLC	RWE Clean Energy	Monroe, LA	135 GWh	Nov 2025	Jul 2026	Solar
Cavalry Solar Hybrid	Cavalry Energy Center LLC	Monon, IN	367 GWh	Apr 2024	Jul 2026	Solar
Earp Solar, LLC	Birch Creek Power, LLC	Monmouth, IL	78 GWh	Mar 2024	Jul 2026	Solar
Amazon MDW7 Solar Project	Solar Star Prime 6, LLC	Monee, IL	3 GWh	Oct 2022	Dec 2025	Solar
Moline	MidAmerican Energy Co	Moline, IL	21 GWh	Dec 1941	Dec 2025	Water : 97.0% Natural Gas : 3.0%
Lotus Wind	Lotus Wind, LLC	Modesto, IL	213 GWh	-	Jul 2026	Wind
Moberly	Union Electric Co - (MO)	Moberly, MO	257 MWh	Jul 1978	Dec 2025	Distillate Fuel Oil
Metro Methane Recovery Facility	WM Renewable Energy LLC	Mitchellville, IA	83 GWh	Dec 1997	Jul 2026	Landfill Gas
Lawrence County Station	Hoosier Energy R E C, Inc	Mitchell, IN	164 GWh	Apr 2005	Dec 2025	Natural Gas
Spring Mill Solar RES	Hoosier Energy R E C, Inc	Mitchell, IN	1 GWh	Aug 2017	Dec 2025	Solar
Mio	Consumers Energy Co - (MI)	Mio, MI	14 GWh	Dec 1915	Dec 2025	Water
Bennington Wind	Minonk Stewardship Wind LLC	Minonk, IL	308 GWh	Sep 2021	Jul 2026	Wind
CF Novel Solar CSG Gardens Two, LLC	SunStrong Management, LLC	Minnesota Lake, MN	3 GWh	Nov 2017	Dec 2025	Solar
Novel Denzer Solar LLC CSG	REA Investments, LLC	Minnesota City, MN	2 GWh	Jun 2022	Dec 2025	Solar
SAF Hydroelectric LLC	SAF Hydroelectric LLC	Minneapolis, MN	30 GWh	Nov 2011	Dec 2025	Water
Univ Minnesota CHP Plant	University of Minnesota Central Utilities	Minneapolis, MN	172 GWh	Oct 2017	Dec 2025	Natural Gas : 99.7%
Covanta Hennepin Energy	Covanta Energy Co	Minneapolis, MN	214 GWh	Sep 1989	Jul 2026	Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8%
Hennepin Island	Northern States Power Co - Minnesota	Minneapolis, MN	54 GWh	Sep 1954	Dec 2025	Water
Minden Wind Park	DTE Electric Company	Minden City, MI	109 GWh	Nov 2012	Jul 2026	Wind
Michigan Wind 2	Michigan Wind 2, LLC	Minden City, MI	329 GWh	Nov 2011	Dec 2025	Wind
City of Milwaukee Landfill	Wisconsin Electric Power Co	Milwaukee, WI	3 GWh	Jan 2021	Dec 2025	Solar
Valley (WI)	Wisconsin Electric Power Co	Milwaukee, WI	327 GWh	May 1968	Jul 2026	Natural Gas
MMSD Jones Island Wastewater	Milwaukee Metro Sewerage Dist	Milwaukee, WI	83 GWh	Dec 1970	Jul 2026	Natural Gas : 87.1% Landfill Gas : 11.9% Distillate Fuel Oil : 1.0%

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