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
CF Novel Solar CSG Gardens Eleven, LLC	SunStrong Management, LLC	Mankato, MN	5 GWh	Nov 2017	Dec 2025	Solar
Primrose Solar, LLC	Geronimo Power	Mankato, MN	2 GWh	Mar 2021	Dec 2025	Solar
School Sisters CSG	School Sisters CSG LLC	Mankato, MN	2 GWh	Apr 2018	Dec 2025	Solar
Eastwood Solar	Enel Green Power NA, Inc.	Mankato, MN	11 GWh	Nov 2016	Dec 2025	Solar
Corvus Community Solar	Corvus Community Solar	Mankato, MN	8 GWh	Sep 2018	Dec 2025	Solar
Archer Daniels Midland Mankato	Archer Daniels Midland Co	Mankato, MN	28 GWh	Sep 1987	Dec 2025	Natural Gas
Wilmarth	Northern States Power Co - Minnesota	Mankato, MN	104 GWh	Aug 1948	Jul 2026	Non-biogenic Municipal Solid Waste : 53.9% Biogenic Municipal Solid Waste : 44.1% Natural Gas : 2.1%
Mankato Energy Center	MEC Holdings, LLC	Mankato, MN	3 TWh	Jun 2006	Dec 2025	Natural Gas
MN CSG 2019-16 LLC	MN CSG 2019-16 LLC	Mankato, MN	2 GWh	May 2022	Dec 2025	Solar
USS Peach Solar LLC	United States Solar Corporation	Mankato, MN	2 GWh	Jun 2022	Dec 2025	Solar
USS Jayhawk Solar LLC (CSG)	United States Solar Corporation	Mankato, MN	2 GWh	Nov 2023	Dec 2025	Solar
SolarClub 35 LLC	Nautilus Solar Solutions	Mankato, MN	2 GWh	Nov 2020	Dec 2025	Solar
Custer Energy Center	Manitowoc Public Utilities	Manitowoc, WI	4 GWh	May 1999	Dec 2025	Natural Gas
Manitowoc	Manitowoc Public Utilities	Manitowoc, WI	185 GWh	May 1955	Jul 2026	Wood/Wood Waste Solids : 80.7% Petroleum Coke : 9.9% Bituminous Coal : 9.1%
Manistique	Cloverland Electric Co-op	Manistique, MI	1 GWh	Jun 1960	Dec 2025	Distillate Fuel Oil
R M Heskett	Montana-Dakota Utilities Co	Mandan, ND	64 GWh	Oct 1954	Jul 2026	Natural Gas
Oliver Wind III, LLC	Oliver Wind III, LLC	Mandan, ND	382 GWh	Dec 2016	Jul 2026	Wind
CED Manchester Wind	RWE Clean Energy	Manchester, IA	28 GWh	Mar 2022	Dec 2025	Wind
Independence Wind Farm	Independence Wind Energy LLC	Manchester, IA	201 GWh	Nov 2021	Jul 2026	Wind
Hot Spring Generating Facility	Entergy Arkansas LLC	Malvern, AR	3 TWh	May 2002	Jun 2026	Natural Gas
Magnet Cove	Arkansas Electric Coop Corp	Malvern, AR	4 TWh	Jun 2005	Jul 2026	Natural Gas
Remmel	Entergy Arkansas LLC	Malvern, AR	46 GWh	Dec 1924	Dec 2025	Water
West Campus Cogeneration Facility	Madison Gas & Electric Co	Madison, WI	305 GWh	Mar 2005	Dec 2025	Natural Gas
Nine Springs	Madison Gas & Electric Co	Madison, WI	89 MWh	Nov 1964	Dec 2025	Natural Gas
Diesel Generators	Madison Gas & Electric Co	Madison, WI	1 GWh	May 2001	Jul 2026	Distillate Fuel Oil
Blount Street	Madison Gas & Electric Co	Madison, WI	59 GWh	May 1957	Dec 2025	Natural Gas
Sycamore (WI)	Madison Gas & Electric Co	Madison, WI	28 MWh	Nov 1967	Dec 2025	Natural Gas
Dane County Airport Solar	Madison Gas & Electric Co	Madison, WI	17 GWh	Nov 2020	Dec 2025	Solar
Hermsdorf Solar	Madison Gas & Electric Co	Madison, WI	16 GWh	Feb 2022	Dec 2025	Solar
Macomb 2A	SoCore Energy LLC	Macomb, IL	4 GWh	Nov 2024	Dec 2025	Solar
Sullivan B Community Solar LLC	Sullivan B Community Solar LLC	Macomb, IL	4 GWh	Nov 2020	Dec 2025	Solar
Macksburg Wind Project	MidAmerican Energy Co	Macksburg, IA	249 GWh	Nov 2014	Dec 2025	Wind
Webber	Consumers Energy Co - (MI)	Lyons, MI	10 GWh	Dec 1906	Dec 2025	Water
Bunker Hill Solar	SoCore Energy LLC	Lyndon, IL	4 GWh	Oct 2021	Dec 2025	Solar
Yorktown 2 Solar	SoCore Energy LLC	Lyndon, IL	4 GWh	Dec 2023	Dec 2025	Solar
Yorktown 1 Solar	SoCore Energy LLC	Lyndon, IL	4 GWh	Dec 2023	Dec 2025	Solar
Round Grove 2	SoCore Energy LLC	Lyndon, IL	5 GWh	Oct 2021	Dec 2025	Solar
Round Grove 1	SoCore Energy LLC	Lyndon, IL	4 GWh	Oct 2021	Dec 2025	Solar
Lightfoot Solar, LLC	Lightfoot Solar, LLC	Luzerne, MI	18 GWh	Sep 2023	Dec 2025	Solar
Ashtabula Wind III LLC	Otter Tail Power Co	Luverne, ND	120 GWh	Nov 2010	Dec 2025	Wind
FPL Energy Ashtabula Wind LLC	FPL Energy Ashtabula Wind LLC	Luverne, ND	583 GWh	Nov 2008	Dec 2025	Wind
Luverne Wind Energy Center	Otter Tail Power Co	Luverne, ND	151 GWh	Aug 2009	Dec 2025	Wind
Ashtabula Wind Energy Center	Otter Tail Power Co	Luverne, ND	89 GWh	Sep 2008	Dec 2025	Wind
Ashtabula Wind II LLC	Ashtabula Wind II LLC	Luverne, ND	364 GWh	Sep 2009	Dec 2025	Wind
Rock County Wind Fuel, LLC	Rock County Wind Fuel, LLC	Luverne, MN	17 GWh	Apr 2020	Dec 2025	Wind
Minwind	Community Renewables, LLC	Luverne, MN	276 MWh	Sep 2002	Dec 2024	Wind
Michigan Power LP	Michigan Power Limited Partnership	Ludington, MI	1 TWh	Sep 1995	Dec 2025	Natural Gas
Lake Winds Energy Park	Consumers Energy Co - (MI)	Ludington, MI	251 GWh	Oct 2012	Dec 2025	Wind
Luck	OneEnergy, Inc.	Luck, WI	85 MWh	Nov 2025	Dec 2025	Solar
Kossuth County Wind	Kossuth County Wind, LLC	Lu Verne, IA	276 GWh	Nov 2022	Jul 2026	Wind
Kossuth	Wisconsin Power & Light Co	Lu Verne, IA	536 GWh	Sep 2020	Jul 2026	Wind
Chatham	City of Lowell - (MI)	Lowell, MI	103 MWh	Aug 2013	Dec 2025	Natural Gas
Byrne Solar, LLC	Byrne Solar, LLC	Lowell, MI	10 GWh	Sep 2023	Dec 2025	Solar
Clay FC	Clay FC, LLC	Louisville, IL	4 GWh	Jun 2021	Dec 2025	Solar
Maple Flats	Invenergy Services LLC	Louisville, IL	519 GWh	Oct 2024	Jul 2026	Solar
Briscoe 2A	7th Road Solar 2, LLC (Briscoe 2A)	Lostant, IL	5 GWh	Jan 2023	Dec 2025	Solar
Bear Creek (WI)	Wisconsin Power & Light Co	Lone Rock, WI	101 GWh	Aug 2022	Jul 2026	Solar
Springfield Solar (WI)	Wisconsin Power & Light Co	Lomira, WI	208 GWh	Nov 2023	Jul 2026	Solar
Appleseed Solar	Appleseed Solar, LLC	Logansport, IN	394 GWh	Jul 2025	Jul 2026	Solar
Logansport Solar	Cardinal Renewables	Logansport, IN	20 GWh	Aug 2021	Dec 2025	Solar
Oak Ridge LFGTE	Wabash Valley Power Assn, Inc	Logansport, IN	23 GWh	Nov 2003	Dec 2025	Landfill Gas
Mondu Solar LLC	Mondu Solar LLC	Livonia, LA	93 GWh	-	Jul 2026	Solar
Umbriel Solar	Umbriel Solar, LLC	Livington, TX	317 GWh	Sep 2023	Jul 2026	Solar
RC Thomas Hydroelectric Project	East Texas Electric Coop, Inc	Livingston, TX	115 GWh	Jun 2020	Jul 2026	Water
Harry L. Oswald	Arkansas Electric Coop Corp	Little Rock, AR	929 GWh	Jun 2002	Dec 2025	Natural Gas
LRWRA	Entegrity Solar LRWRA, LLC	Little Rock, AR	2 GWh	Jul 2023	Dec 2025	Solar
Zeuber	Today's Power, Inc.	Little Rock, AR	7 GWh	Nov 2023	Dec 2025	Solar
Southside SD	Entegrity Solar Southside SD, LLC	Little Rock, AR	2 GWh	May 2023	Dec 2025	Solar
Camp Ripley Solar	Camp Riley Solar Facility	Little Falls, MN	14 GWh	Oct 2016	Dec 2025	Solar
Little Falls (MN)	ALLETE, Inc.	Little Falls, MN	27 GWh	Dec 1905	Dec 2025	Water
Buffalo Center Wind LLC	Buffalo Center Wind LLC	Little Cedar, IA	4 GWh	Oct 2011	Dec 2025	Wind
Little Cedar	OneEnergy, Inc.	Little Cedar, IA	65 MWh	Nov 2025	Dec 2025	Solar
Litchfield	Litchfield Public Utilities	Litchfield, MN	861 MWh	Aug 1963	Dec 2025	Distillate Fuel Oil : 54.6% Natural Gas : 45.4%
Emmons-Logan Wind, LLC	Emmons-Logan Wind, LLC	Linton, ND	867 GWh	Nov 2019	Jul 2026	Wind
Linton	Indiana Municipal Power Agency	Linton, IN	10 GWh	Jun 2022	Dec 2025	Solar
Johnson CSG 2	Madison Energy Holdings LLC	Lindstrom, MN	2 GWh	Feb 2023	Dec 2025	Solar
Olinda Trail Solar	Olinda Trail Solar LLC	Lindstrom, MN	2 GWh	Aug 2019	Dec 2025	Solar
Flodquist Community Solar LLC CSG	Flodquist Community Solar LLC	Lindstrom, MN	2 GWh	Jul 2021	Dec 2025	Solar
Carlson Community (CSG)	CleanCapital Holdings	Lindstrom, MN	2 GWh	Sep 2020	Dec 2025	Solar
Johnson CSG 1	Madison Energy Holdings LLC	Lindstrom, MN	2 GWh	Nov 2021	Dec 2025	Solar
Nautilus Lindstrom Solar (CSG)	Nautilus Solar Solutions	Lindstrom, MN	4 GWh	Feb 2019	Jul 2026	Solar
Lindstrom Solar CSG	Geronimo Power	Lindstrom, MN	5 GWh	Mar 2018	Dec 2025	Solar
Johnson 1 Community Solar	Johnson I CSG LLC	Lindstrom, MN	2 GWh	Jul 2018	Dec 2025	Solar
Saratoga Wind Farm	Madison Gas & Electric Co	Lime Springs, IA	255 GWh	Jan 2019	Jul 2026	Wind
Lake Lilian Solar	Lake Lilian Solar, LLC	Lilian Lake, MN	2 GWh	Nov 2024	Dec 2025	Solar
GL Wind	GL Wind LLC	Lewiston, MN	10 GWh	Nov 2011	Dec 2025	Wind
Novel Martin Solar One LLC (McLeod) CSG	REA Investments, LLC	Lester Prairie, MN	2 GWh	Jul 2019	Dec 2025	Solar
Andromeda Community Solar	Andromeda Community Solar	Lester Prairie, MN	8 GWh	Sep 2017	Dec 2025	Solar
Honeysuckle Solar, LLC	Geronimo Power	Lester Prairie, MN	2 GWh	Dec 2020	Dec 2025	Solar
Crane Garden	Crane Garden LLC	Lester Prairie, MN	2 GWh	Oct 2023	Dec 2025	Solar
Pine Tree Acres WM LFGTE	WM Renewable Energy LLC	Lenox, MI	88 GWh	Feb 2012	Jul 2026	Landfill Gas
Adams Wind	MidAmerican Energy Co	Lenox, IA	460 GWh	Sep 2015	Dec 2025	Wind
Lenox	City of Lenox - (IA)	Lenox, IA	55 MWh	Aug 1948	Dec 2025	Distillate Fuel Oil
Pine Tree Acres	NextEra Renewable Fuels, LLC	Lenox Twp, MI	56 GWh	May 1998	Jul 2026	Landfill Gas
Venice Resources Gas Recovery	WM Renewable Energy LLC	Lennon, MI	13 GWh	Feb 1992	Dec 2025	Landfill Gas
Assembly Solar III	Assembly Solar III, LLC	Lennon, MI	167 GWh	Dec 2021	Jul 2026	Solar
Assembly Solar II LLC	Assembly Solar II LLC	Lennon, MI	223 GWh	Nov 2021	Jul 2026	Solar
Lennon Generating	North American Natural Res	Lennon, MI	26 GWh	Jan 2001	Dec 2025	Landfill Gas
Brame Energy Center	Cleco Power LLC	Lena, LA	4 TWh	May 1975	Jul 2026	Subbituminous Coal : 49.2% Natural Gas : 35.7% Petroleum Coke : 10.7% Bituminous Coal : 4.4%
Pullman Solar, LLC	AES Distributed Energy	Lee Township, MI	33 GWh	Nov 2022	Dec 2025	Solar

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