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%

Map of Midcontinent Independent System Operator, Inc.

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Midcontinent Independent System Operator, Inc..

Create Your Account Today

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

Download Generation

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Marion Solar 2	Pivot Energy	Sandoval, IL	2 GWh	Dec 2024	Dec 2025	Solar
Marion Garden	Excelsior Energy Capital	Faribault, MN	2 GWh	Oct 2020	Dec 2025	Solar
Marion	Southern Illinois Power Coop	Marion, IL	796 GWh	May 1963	Jul 2026	Bituminous Coal : 86.3% Natural Gas : 13.1% Distillate Fuel Oil : 0.6%
Marigold Community Solar Garden, LLC	Geronimo Power	Waterville, MN	2 GWh	Dec 2020	Dec 2025	Solar
Marceline	City of Marceline - (MO)	Marceline, MO	20 MWh	Jul 1989	Dec 2025	Distillate Fuel Oil
Marathon Petroleum - Robinson Refinery	Onyx Asset Services Group	Robinson, IL	5 GWh	May 2025	Dec 2025	Solar
Mapleton Community Solar	Mapleton Community Solar	Mapleton, MN	5 GWh	May 2017	Dec 2025	Solar
Maple Lake	Great River Energy	Maple Lake, MN	321 MWh	Apr 1978	Dec 2025	Distillate Fuel Oil
Maple Flats	Invenergy Services LLC	Louisville, IL	519 GWh	Oct 2024	Jul 2026	Solar
Mansfield Mill	IPC-Mansfield Mill	Mansfield, LA	835 GWh	Sep 1981	Jul 2026	Natural Gas : 52.9% Black Liquor : 33.9% Wood/Wood Waste Solids : 12.0% Tire-derived Fuels : 1.2%
Mankato Energy Center	MEC Holdings, LLC	Mankato, MN	3 TWh	Jun 2006	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
Malmedal Solar Garden	Altus Power America Management, LLC	Starbuck, MN	2 GWh	Jun 2019	Dec 2025	Solar
Magnolia Power	Magnolia Power Holdings LLC	Plaquemine, LA	3 TWh	Nov 2025	Jul 2026	Natural Gas
Magnet Cove	Arkansas Electric Coop Corp	Malvern, AR	4 TWh	Jun 2005	Jul 2026	Natural Gas
Macon County IL S1	SolAmerica Energy, LLC	Decatur, IL	316 MWh	Sep 2025	Dec 2025	Solar
Macomb 2A	SoCore Energy LLC	Macomb, IL	4 GWh	Nov 2024	Dec 2025	Solar
Macksburg Wind Project	MidAmerican Energy Co	Macksburg, IA	249 GWh	Nov 2014	Dec 2025	Wind
Macbeth Solar	Macbeth Solar, LLC	Montague, MI	38 GWh	Apr 2022	Dec 2025	Solar
M72 West Solar	Heritage Sustainable Energy. LLC	Traverse City, MI	2 GWh	Nov 2019	Dec 2025	Solar
M L Hibbard	ALLETE, Inc.	Duluth, MN	81 GWh	May 1949	Jul 2026	Wood/Wood Waste Solids : 91.5% Subbituminous Coal : 6.1% Natural Gas : 2.3%
M. G. Emmett J. Bean Federal Center	U.S. General Services Administration	Indianapolis, IN	519 MWh	Mar 2011	Dec 2024	Solar
Lyra Community Solar	Lyra Community Solar	Waterville, MN	5 GWh	Jan 2018	Dec 2025	Solar
Lyons Road	Lyons Road Solar, LLC	Owosso, MI	41 GWh	Dec 2021	Dec 2025	Solar
Lyman Garden	Excelsior Energy Capital	Northfield, MN	2 GWh	Oct 2020	Dec 2025	Solar
Luverne Wind Energy Center	Otter Tail Power Co	Luverne, ND	151 GWh	Aug 2009	Dec 2025	Wind
Luther College Wind Project	Luther College Wind Energy Project LLC	Decorah, IA	2 GWh	Sep 2011	Dec 2025	Wind
Lundgren Wind Project	MidAmerican Energy Co	Otho, IA	605 GWh	Jul 2014	Dec 2025	Wind
Lukuc B Community Solar LLC CSG	Lukuc B Community Solar LLC	Herrin, IL	4 GWh	Jun 2021	Dec 2025	Solar
Lucky Wind	Lucky Wind, LLC (Longroad)	Pipestone, MN	3 GWh	Nov 2004	Dec 2025	Wind
Luck	OneEnergy, Inc.	Luck, WI	85 MWh	Nov 2025	Dec 2025	Solar
LSU Cogen	LSU and A&M College	Baton Rouge, LA	122 GWh	Nov 2004	Jul 2026	Natural Gas
LSP-Cottage Grove LP	Cottage Grove Operating Services LLC	Cottage Grove, MN	549 GWh	Sep 1997	Dec 2025	Natural Gas
LRWRA	Entegrity Solar LRWRA, LLC	Little Rock, AR	2 GWh	Jul 2023	Dec 2025	Solar
Lowry CSG2, LLC	Nautilus Solar Solutions	Glenwood, MN	2 GWh	Nov 2020	Dec 2025	Solar
Lowe's - 1845 - Chicago Brickyard, IL	North Narragansett Avenue Solar Project 2022, LLC	Chicago, IL	1 GWh	Jan 2025	Dec 2025	Solar
Louisiana Tech University Power Plant	Louisiana Tech University	Ruston, LA	49 GWh	Jun 2004	Dec 2025	Natural Gas
Louisiana Sugar Refining	Louisiana Sugar Refining LLC	Gramercy, LA	9 GWh	Aug 1930	Dec 2025	Natural Gas
Louisiana 1	Entergy Louisiana LLC	Baton Rouge, LA	3 TWh	Sep 1951	Jul 2026	Natural Gas : 71.4% Other Gas : 28.6%
Louise Solar	Geronimo Power	Taopi, MN	92 GWh	Nov 2024	Jul 2026	Solar
Louisa	MidAmerican Energy Co	Muscatine, IA	4 TWh	Sep 1983	Jul 2026	Subbituminous Coal : 99.4% Natural Gas : 0.6%
Loud	Consumers Energy Co - (MI)	Oscoda, MI	16 GWh	Dec 1912	Dec 2025	Water
Lotus Wind	Lotus Wind, LLC	Modesto, IL	213 GWh	-	Jul 2026	Wind
Lost Lakes Wind Farm LLC	Lost Lakes Wind Farm LLC	Lake Park, IA	270 GWh	Nov 2009	Dec 2025	Wind
Lorin Industries	Lorin Industries	Muskegon, MI	4 GWh	Dec 1989	Dec 2025	Natural Gas
Loon Garden	Loon Garden LLC	Waseca, MN	2 GWh	Jan 2020	Dec 2025	Solar
Long Lake Solar, LLC	Long Lake Solar, LLC	West Helena, AR	490 GWh	Mar 2025	Jul 2026	Solar
Logansport Solar	Cardinal Renewables	Logansport, IN	20 GWh	Aug 2021	Dec 2025	Solar
Lobelia 1	Greenbacker Renewable Energy Corporation	Harvard, IL	5 GWh	Nov 2024	Dec 2025	Solar
Livingston Generating Station	CMS Generation MI Power LLC	Gaylord, MI	22 GWh	May 1999	Dec 2025	Natural Gas
Little Quinnesec Falls Hydro Project	Eagle Creek Renewable Energy, LLC	Niagara, WI	61 GWh	Nov 1900	Dec 2025	Water
Little Gypsy	Entergy Louisiana LLC	La Place, LA	1 TWh	Feb 1961	Jul 2026	Natural Gas
Little Falls (MN)	ALLETE, Inc.	Little Falls, MN	27 GWh	Dec 1905	Dec 2025	Water
Little Chute	City of Kaukauna (WI)	Combined Locks, WI	22 GWh	May 1948	Dec 2025	Water
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%
Linton	Indiana Municipal Power Agency	Linton, IN	10 GWh	Jun 2022	Dec 2025	Solar
Lineage MS	Madison Energy Holdings LLC	Richland, MS	971 MWh	Nov 2021	Sep 2025	Solar
Lindstrom Solar CSG	Geronimo Power	Lindstrom, MN	5 GWh	Mar 2018	Dec 2025	Solar
Linden 03 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2025	Solar
Linden 02 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2025	Solar
Linden 01 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2025	Solar
Lind Solar CSG	Terraform Arcadia	Young America, MN	8 GWh	Jan 2017	Dec 2025	Solar
Lincoln Solar	Ecos Energy LLC	Merrillville, IN	2 GWh	Nov 2012	Dec 2025	Solar
Lincoln Land Wind	Lincoln Land Wind, LLC	TBD, IL	1 TWh	Oct 2021	Jul 2026	Wind
Lincoln Heights II	ALLETE Clean Energy	Lake Benton, MN	5 GWh	Apr 2006	Dec 2025	Wind
Lincoln Heights I	ALLETE Clean Energy	Lake Benton, MN	8 GWh	Apr 2006	Dec 2025	Wind
Lime Creek	Interstate Power and Light Co	Mason City, IA	1 GWh	Apr 1991	Sep 2025	Distillate Fuel Oil
Lily Garden	Lily Garden LLC	Waseca, MN	2 GWh	Jun 2023	Dec 2025	Solar
Lightfoot Solar, LLC	Lightfoot Solar, LLC	Luzerne, MI	18 GWh	Sep 2023	Dec 2025	Solar
Libra Community Solar	Geronimo Power	Glenwood, MN	2 GWh	Oct 2018	Dec 2025	Solar
Liberty Pole DPC Solar	SoCore Energy LLC	Viroqua, WI	2 GWh	Apr 2017	Jul 2026	Solar
Liberty I & II LFGTE	Wabash Valley Power Assn, Inc	Monticello, IN	10 MWh	Jul 2005	Dec 2025	Landfill Gas
Liberty County Solar Project	Liberty County Solar Project, LLC	Dayton, TX	245 GWh	Aug 2024	Jul 2026	Solar
Lewis Creek	Entergy Texas Inc.	Willis, TX	2 TWh	Nov 1970	Jul 2026	Natural Gas
Lewis & Clark	Montana-Dakota Utilities Co	Richland, MT	12 GWh	Sep 1958	Jul 2026	Natural Gas
Leven Garden Solar	Leven Garden LLC	Villard, MN	2 GWh	Apr 2020	Dec 2025	Solar
Letts Creek Solar, LLC	AES Distributed Energy	Grass Lake, MI	25 GWh	Nov 2022	Dec 2025	Solar
LeSun CSG, LLC	SunStrong Management, LLC	Waterville, MN	8 GWh	Dec 2017	Dec 2025	Solar
Leonardo Wind 1 LLC	Novis Renewables, LLC	Alden, IA	9 GWh	Nov 2016	Dec 2025	Wind
Leo Community Solar	Geronimo Power	Hadley, MN	2 GWh	Nov 2018	Dec 2025	Solar
Lenox	City of Lenox - (IA)	Lenox, IA	55 MWh	Aug 1948	Dec 2025	Distillate Fuel Oil
Lennon Generating	North American Natural Res	Lennon, MI	26 GWh	Jan 2001	Dec 2025	Landfill Gas
Lenape II	Lenape Solar II, LLC	Indianapolis, IN	5 GWh	Oct 2015	Dec 2025	Solar
Lemonweir (Oak 1)	Greenbacker Renewable Energy Corporation	Mauston, WI	6 GWh	Nov 2023	Dec 2025	Solar
Lemond Solar	Adapture Renewables, Inc.	Owatonna, MN	9 GWh	May 2017	Dec 2025	Solar
Ledyard Windpower, LLC	Deriva Energy	Lakota, IA	649 GWh	Nov 2022	Jul 2026	Wind
Ledgeview	Greenbacker Renewable Energy Corporation	Fond du Lac, WI	10 GWh	Jul 2024	Dec 2025	Solar
Lawrence Creek Solar	Enel Green Power NA, Inc.	Shafer, MN	6 GWh	Nov 2016	Dec 2025	Solar
Lawrence County Station	Hoosier Energy R E C, Inc	Mitchell, IN	164 GWh	Apr 2005	Dec 2025	Natural Gas
Laurel Wind Farm	MidAmerican Energy Co	Laurel, IA	470 GWh	Nov 2011	Dec 2025	Wind
Laurel Village (CSG)	CleanCapital Holdings	Cokato, MN	2 GWh	Mar 2020	Dec 2025	Solar
Laskin Solar	ALLETE, Inc.	Hoyt Lakes, MN	8 GWh	Nov 2022	Dec 2025	Solar
LaSalle Solar 6	Pivot Energy	Ottawa, IL	582 MWh	Oct 2025	Dec 2025	Solar
LaSalle Solar 1	Pivot Energy	Ransom, IL	2 GWh	Apr 2025	Dec 2025	Solar
LaO Energy Systems	Dow Chemical Co	Plaquemine, LA	1 TWh	May 1958	Dec 2024	Natural Gas : 84.1% Other Gas : 15.9%
Lantana Solar, LLC	Geronimo Power	Glenwood, MN	2 GWh	Dec 2020	Dec 2025	Solar
Lansing BWL REO Town Plant	Lansing Board of Water and Light	Lansing, MI	477 GWh	Jun 2013	Dec 2025	Natural Gas
Lannon Stone	Wisconsin Electric Power Co	Pewaukee, WI	4 GWh	Nov 2021	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