Midcontinent Independent System Operator, Inc.

Balancing Authority Summary Information

Midcontinent Independent System Operator, Inc. is ranked #2 out of 65 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	Nov 2025
Annual Generation	655.1 TWh
Power Plants	2,831
Utilities	1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 35.7% Coal \| 29% Wind \| 14.9% Nuclear \| 13.9% Solar \| 4.5% Water \| 1.5% Other Fuel \| 0.6%

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Daily Net Generation for Midcontinent Independent System Operator, Inc. for the past 3 Years

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Lake Crystal	City of Lake Crystal - (MN)	Lake Crystal, MN	20 MWh	Apr 1952	Dec 2024	Distillate Fuel Oil
Lake Emily Solar	Enel Green Power NA, Inc.	St. Peter, MN	9 GWh	Nov 2016	Dec 2024	Solar
Lake Hallie	Standard Solar	Chippewa Falls, WI	1 MWh	Nov 2024	Dec 2024	Solar
Lake Mills	City of Lake Mills	Lake Mills, IA	38 MWh	Dec 1955	Dec 2024	Distillate Fuel Oil
Lake Mills Gas Recovery	WM Renewable Energy LLC	Lake Mills, IA	25 GWh	Feb 2006	Dec 2024	Landfill Gas
Lake Park	City of Lake Park - (IA)	Lake Park, IA	46 MWh	Mar 2005	Dec 2024	Distillate Fuel Oil
Lake Preston	Otter Tail Power Co	Lake Preston, SD	86 MWh	May 1978	Dec 2024	Distillate Fuel Oil
Lake Pulaski Solar	Enel Green Power NA, Inc.	Buffalo, MN	12 GWh	Nov 2016	Dec 2024	Solar
Lake Region Community Hybrid, LLC	Lake Region Community Hybrid, LLC	Rothsay, MN	8 GWh	Nov 2018	Dec 2024	Wind
Lake Waconia Community Solar Garden	Lake Waconia Solar LLC	Waconia, MN	2 GWh	Jan 2018	Dec 2024	Solar
Lake Waconia IV Community Solar Garden	Lake Waconia Solar IV LLC	Waconia, MN	2 GWh	Jan 2018	Dec 2024	Solar
Lake Winds Energy Park	Consumers Energy Co - (MI)	Ludington, MI	262 GWh	Oct 2012	Dec 2024	Wind
Lakefield Junction	Great River Energy	Trimont, MN	64 GWh	May 2001	Dec 2024	Natural Gas
Lakefield Utilities	City of Lakefield - (MN)	Lakefield, MN	6 MWh	Jan 1985	Dec 2024	Distillate Fuel Oil
Lakefield Wind Project LLC	EDF Renewable Asset Holdings, Inc.	Lakefield, MN	323 GWh	Sep 2011	Sep 2025	Wind
Lakeswind Power Partners	Lakeswind Power Partners	Pelican Rapids, MN	151 GWh	Feb 2014	Dec 2024	Wind
Lakota Ridge LLC	Lakota Ridge, LLC (Longroad)	Hendricks, MN	17 GWh	Mar 1999	Dec 2024	Wind
Lamoni Municipal Utilities	City of Lamoni - (IA)	Lamoni, IA	86 MWh	Feb 1940	Dec 2024	Distillate Fuel Oil
Lanesboro	Lanesboro Public Utility Comm	Lanesboro, MN	184 MWh	Dec 1922	Dec 2024	Water : 81.0% Distillate Fuel Oil : 19.0%
Lanesville Solar RES	Hoosier Energy R E C, Inc	Lanesville, IN	907 MWh	Nov 2015	Dec 2024	Solar
Langdon Renewables, LLC	FPL Energy Langdon Wind LLC	Langdon, ND	482 GWh	Nov 2007	Dec 2024	Wind
Langdon Wind Energy Center	Otter Tail Power Co	Langdon, ND	95 GWh	Nov 2007	Dec 2024	Wind
Langdon Wind II LLC	FPL Energy Langdon Wind LLC	Osnabrock, ND	171 GWh	Aug 2008	Dec 2024	Wind
Lange Solar	Arcadia Solar, LLC	Byron, MN	2 GWh	Aug 2019	Dec 2024	Solar
Lannon Stone	Wisconsin Electric Power Co	Pewaukee, WI	4 GWh	Nov 2021	Dec 2024	Solar
Lansing BWL REO Town Plant	Lansing Board of Water and Light	Lansing, MI	437 GWh	Jun 2013	Dec 2024	Natural Gas
Lantana Solar, LLC	National Grid Renewables	Glenwood, MN	2 GWh	Dec 2020	Dec 2024	Solar
LaO Energy Systems	Dow Chemical Co	Plaquemine, LA	1 TWh	May 1958	Dec 2024	Natural Gas : 84.1% Other Gas : 15.9%
Laskin Solar	ALLETE, Inc.	Hoyt Lakes, MN	8 GWh	Nov 2022	Dec 2024	Solar
Laurel Village (CSG)	Laurel Village Community Solar LLC	Cokato, MN	2 GWh	Mar 2020	Dec 2024	Solar
Laurel Wind Farm	MidAmerican Energy Co	Laurel, IA	463 GWh	Nov 2011	Dec 2024	Wind
Lawrence County Station	Hoosier Energy R E C, Inc	Mitchell, IN	109 GWh	Apr 2005	Dec 2024	Natural Gas
Lawrence Creek Solar	Enel Green Power NA, Inc.	Shafer, MN	6 GWh	Nov 2016	Dec 2024	Solar
Ledgeview	Greenbacker Renewable Energy Corporation	Fond du Lac, WI	2 GWh	Jul 2024	Dec 2024	Solar
Ledyard Windpower, LLC	Duke Energy Renewables Services	Lakota, IA	668 GWh	Nov 2022	Sep 2025	Wind
Lemond Solar	Adapture Renewables, Inc.	Owatonna, MN	9 GWh	May 2017	Dec 2024	Solar
Lemonweir (Oak 1)	Greenbacker Renewable Energy Corporation	Mauston, WI	6 GWh	Nov 2023	Dec 2024	Solar
Lenape II	Lenape Solar II, LLC	Indianapolis, IN	5 GWh	Oct 2015	Dec 2024	Solar
Lennon Generating	North American Natural Res	Lennon, MI	30 GWh	Jan 2001	Dec 2024	Landfill Gas
Lenox	City of Lenox - (IA)	Lenox, IA	39 MWh	Aug 1948	Dec 2024	Distillate Fuel Oil
Leo Community Solar	National Grid Renewables	Hadley, MN	2 GWh	Nov 2018	Dec 2024	Solar
Leonardo Wind 1 LLC	Leonardo Wind 1 LLC	Alden, IA	10 GWh	Nov 2016	Dec 2024	Wind
LEPA Unit No. 1	Louisiana Energy & Power Authority	Morgan City, LA	145 GWh	May 2016	Dec 2024	Natural Gas
LeSun CSG, LLC	Cypress Creek Renewables	Waterville, MN	8 GWh	Dec 2017	Dec 2024	Solar
Letts Creek Solar, LLC	AES Distributed Energy	Grass Lake, MI	28 GWh	Nov 2022	Dec 2024	Solar
Leven Garden Solar	Leven Garden LLC	Villard, MN	2 GWh	Apr 2020	Dec 2024	Solar
Lewis & Clark	Montana-Dakota Utilities Co	Richland, MT	8 GWh	Sep 1958	Sep 2025	Natural Gas
Lewis Creek	Entergy Texas Inc.	Willis, TX	2 TWh	Nov 1970	Sep 2025	Natural Gas
Liberty County Solar Project	Liberty County Solar Project, LLC	Dayton, TX	243 GWh	Aug 2024	Sep 2025	Solar
Liberty I & II LFGTE	Wabash Valley Power Assn, Inc	Monticello, IN	27 GWh	Jul 2005	Dec 2023	Landfill Gas
Liberty Pole DPC Solar	SoCore Energy LLC	Viroqua, WI	2 GWh	Apr 2017	Sep 2025	Solar
Libra Community Solar	National Grid Renewables	Glenwood, MN	2 GWh	Oct 2018	Dec 2024	Solar
Lightfoot Solar, LLC	Lightfoot Solar, LLC	Luzerne, MI	19 GWh	Sep 2023	Dec 2024	Solar
Lily Garden	Lily Garden LLC	Waseca, MN	2 GWh	Jun 2023	Dec 2024	Solar
Lime Creek	Interstate Power and Light Co	Mason City, IA	115 MWh	Apr 1991	Aug 2024	Distillate Fuel Oil
Lincoln Heights I	ALLETE Clean Energy	Lake Benton, MN	10 GWh	Apr 2006	Dec 2024	Wind
Lincoln Heights II	ALLETE Clean Energy	Lake Benton, MN	7 GWh	Apr 2006	Dec 2024	Wind
Lincoln Land Wind	Lincoln Land Wind, LLC	TBD, IL	1 TWh	Oct 2021	Sep 2025	Wind
Lincoln Solar	Ecos Energy LLC	Merrillville, IN	608 MWh	Nov 2012	Dec 2024	Solar
Lind Solar CSG	Terraform Arcadia	Young America, MN	8 GWh	Jan 2017	Dec 2024	Solar
Linden 01 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2024	Solar
Linden 02 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2024	Solar
Linden 03 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2024	Solar
Lindstrom Solar CSG	National Grid Renewables	Lindstrom, MN	5 GWh	Mar 2018	Dec 2024	Solar
Lineage MS	Madison Energy Holdings LLC	Richland, MS	2 GWh	Nov 2021	May 2024	Solar
Linton	Indiana Municipal Power Agency	Linton, IN	11 GWh	Jun 2022	Dec 2024	Solar
Litchfield	Litchfield Public Utilities	Litchfield, MN	143 MWh	Aug 1963	Dec 2024	Natural Gas : 62.5% Distillate Fuel Oil : 37.5%
Little Chute	City of Kaukauna	Combined Locks, WI	24 GWh	May 1948	Dec 2024	Water
Little Falls (MN)	ALLETE, Inc.	Little Falls, MN	32 GWh	Dec 1905	Dec 2024	Water
Little Gypsy	Entergy Louisiana LLC	La Place, LA	815 GWh	Feb 1961	Sep 2025	Natural Gas
Little Quinnesec Falls Hydro Project	Eagle Creek Renewable Energy, LLC	Niagara, WI	57 GWh	Nov 1900	Dec 2024	Water
Livingston Generating Station	CMS Generation MI Power LLC	Gaylord, MI	20 GWh	May 1999	Dec 2024	Natural Gas
Logansport Solar	Cardinal Renewables	Logansport, IN	23 GWh	Aug 2021	Dec 2024	Solar
Long Lake Solar, LLC	Long Lake Solar, LLC	West Helena, AR	285 GWh	-	Sep 2025	Solar
Loon Garden	Loon Garden LLC	Waseca, MN	2 GWh	Jan 2020	Dec 2024	Solar
Lorin Industries	Lorin Industries	Muskegon, MI	5 GWh	Dec 1989	Dec 2024	Natural Gas
Lost Lakes Wind Farm LLC	Lost Lakes Wind Farm LLC	Lake Park, IA	244 GWh	Nov 2009	Dec 2024	Wind
Loud	Consumers Energy Co - (MI)	Oscoda, MI	17 GWh	Dec 1912	Dec 2024	Water
Louisa	MidAmerican Energy Co	Muscatine, IA	4 TWh	Sep 1983	Sep 2025	Subbituminous Coal : 99.2% Natural Gas : 0.8%
Louise Solar	National Grid Renewables	Taopi, MN	83 GWh	Nov 2024	Sep 2025	Solar
Louisiana 1	Entergy Louisiana LLC	Baton Rouge, LA	3 TWh	Sep 1951	Sep 2025	Natural Gas : 71.5% Other Gas : 28.5%
Louisiana Sugar Refining	Louisiana Sugar Refining LLC	Gramercy, LA	20 GWh	Aug 1930	Dec 2024	Natural Gas
Louisiana Tech University Power Plant	Louisiana Tech University	Ruston, LA	42 GWh	Jun 2004	Dec 2024	Natural Gas
Lowry CSG2, LLC	Nautilus Solar Solutions	Glenwood, MN	2 GWh	Nov 2020	Dec 2024	Solar
LRWRA	Entegrity Solar LRWRA, LLC	Little Rock, AR	2 GWh	Jul 2023	Dec 2024	Solar
LSP-Cottage Grove LP	Cottage Grove Operating Services LLC	Cottage Grove, MN	1 TWh	Sep 1997	Dec 2024	Natural Gas
LSU Cogen	LSU and A&M College	Baton Rouge, LA	10 GWh	Nov 2004	Sep 2025	Natural Gas
Lucky Wind	Lucky Wind, LLC (Longroad)	Pipestone, MN	2 GWh	Nov 2004	Dec 2024	Wind
Lukuc B Community Solar LLC CSG	Lukuc B Community Solar LLC	Herrin, IL	4 GWh	Jun 2021	Dec 2024	Solar
Lundgren Wind Project	MidAmerican Energy Co	Otho, IA	804 GWh	Jul 2014	Dec 2024	Wind
Luther College Wind Project	Luther College Wind Energy Project LLC	Decorah, IA	3 GWh	Sep 2011	Dec 2024	Wind
Luverne Wind Energy Center	Otter Tail Power Co	Luverne, ND	110 GWh	Aug 2009	Dec 2024	Wind
Lyman Garden	Excelsior Energy Capital	Northfield, MN	2 GWh	Oct 2020	Dec 2024	Solar
Lyons Road	Lyons Road Solar, LLC	Owosso, MI	40 GWh	Dec 2021	Dec 2024	Solar
Lyra Community Solar	Lyra Community Solar	Waterville, MN	5 GWh	Jan 2018	Dec 2024	Solar
M. G. Emmett J. Bean Federal Center	U.S. General Services Administration	Indianapolis, IN	519 MWh	Mar 2011	Dec 2024	Solar
M L Hibbard	ALLETE, Inc.	Duluth, MN	95 GWh	May 1949	Sep 2025	Wood/Wood Waste Solids : 93.3% Subbituminous Coal : 5.9% Natural Gas : 0.8%
M72 West Solar	Heritage Sustainable Energy. LLC	Traverse City, MI	3 GWh	Nov 2019	Dec 2024	Solar
Macbeth Solar	Macbeth Solar, LLC	Montague, MI	39 GWh	Apr 2022	Dec 2024	Solar
Macksburg Wind Project	MidAmerican Energy Co	Macksburg, IA	330 GWh	Nov 2014	Dec 2024	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	696.7 GWh	4
#27	Associated Electric Cooperative, Inc.	23.6 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	34.4 TWh	25
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	299.9 TWh	835
#49	Southwestern Power Administration	5.2 TWh	34
#9	Tennessee Valley Authority	161.6 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	655.1 TWh	2,831
#4	Electric Reliability Council of Texas, Inc.	485.0 TWh	1,313
#5	Southwest Power Pool	299.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	188.0 TWh	2,075
#9	Tennessee Valley Authority	161.6 TWh	204
#10	Florida Power & Light Co.	148.9 TWh	187
#12	New York Independent System Operator	131.6 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565