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 2024
Annual Generation	631.0 TWh
Power Plants	2,653
Utilities	1,202
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 \| 39.8% Coal \| 26.3% Wind \| 15.6% Nuclear \| 14% Solar \| 2.1% Water \| 1.7% Other Fuel \| 0.4%

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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
Merricourt Wind Energy Center	Otter Tail Power Co	Kulm, ND	555 GWh	Nov 2020	Aug 2024	Wind
Merom	Hallador Power Company, LLC	Sullivan, IN	3 TWh	Jan 1982	Aug 2024	Bituminous Coal : 99.8%
Merl Parr	MidAmerican Energy Co	Charles City, IA	756 MWh	Apr 1969	Dec 2023	Natural Gas
Meridian Wind Park	DTE Electric Company	Merrill, MI	457 GWh	Mar 2023	Aug 2024	Wind
Meramec	Union Electric Co - (MO)	St. Louis, MO	165 GWh	Apr 1953	May 2023	Natural Gas : 66.6% Subbituminous Coal : 33.4%
Menomonie	Northern States Power Co - Minnesota	Menomonie, WI	24 GWh	Dec 1957	Dec 2023	Water
Menominee Mill Marinette	Eagle Creek Renewable Energy, LLC	Menominee, MI	13 GWh	Dec 1923	Aug 2024	Water
Melrose 2	Melrose Public Utilities	Melrose, MN	2 MWh	Feb 2014	Dec 2023	Distillate Fuel Oil
Melrose	Melrose Public Utilities	Melrose, MN	49 MWh	Jun 1945	Dec 2023	Distillate Fuel Oil
Meeker Community Solar One LLC CSG	Madison Energy Holdings LLC	Dassel, MN	2 GWh	Nov 2019	Dec 2023	Solar
Medin CSG	Madison Energy Holdings LLC	Center City, MN	2 GWh	Nov 2021	Dec 2023	Solar
Medin 2 Community Solar LLC CSG	Medin 2 Community Solar LLC	Center City, MN	2 GWh	Jul 2021	Dec 2023	Solar
Medford DPC Solar	SoCore Energy LLC	Medford, WI	3 GWh	Jan 2017	Aug 2024	Solar
Meadow Ridge	Meadow Ridge Wind Energy, LLC	Greenfield, IA	5 GWh	Jun 2012	Dec 2023	Wind
Meadow Lake Wind Farm VI LLC	Meadow Lake Wind Farm VI LLC	Remington, IN	651 GWh	Oct 2018	Aug 2024	Wind
McLeod Community Solar One LLC CSG	Madison Energy Holdings LLC	Stewart, MN	2 GWh	Nov 2019	Dec 2023	Solar
McKinley Wind Park	DTE Electric Company	Pigeon, MI	49 GWh	Nov 2012	Aug 2024	Wind
McGregor	City of McGregor- (IA)	McGregor, IA	4 MWh	Nov 1941	Dec 2023	Distillate Fuel Oil
McDonough Solar 1, LLC CSG	McDonough Solar 1, LLC	Blandinsville, IL	4 GWh	Nov 2020	Dec 2023	Solar
McDonald Solar Farm, LLC	Cypress Creek Renewables	West Terre Haute, IN	9 GWh	Nov 2015	Dec 2023	Solar
McClure Dam	Upper Peninsula Power Company	Marquette, MI	42 GWh	Jan 1988	Dec 2023	Water
McClellan (AR)	Arkansas Electric Coop Corp	Camden, AR	41 GWh	Apr 1972	Dec 2023	Natural Gas
Maywood Photovoltaic Project	Hanwha Q CELLS USA	Indianapolis, IN	10 GWh	Feb 2014	Dec 2023	Solar
May Shannon Solar, LLC	May Shannon Solar, LLC	Clio, MI	4 GWh	Nov 2020	Dec 2023	Solar
Maston Garden Solar	Maston Garden LLC	Kasson, MN	2 GWh	Apr 2020	Dec 2023	Solar
Marshfield Utilities Gas Plant	City of Marshfield - (WI)	Marshfield, WI	9 GWh	May 2011	Dec 2023	Natural Gas
Marshalltown Generating Station	Interstate Power and Light Co	Marshalltown, IA	3 TWh	Mar 2017	Aug 2024	Natural Gas
Marshalltown	Interstate Power and Light Co	Marshalltown, IA	122 GWh	May 1978	Dec 2023	Natural Gas
Marshall Wind 6 LLC	Marshall Wind Farm, LLC	Marshall, MN	3 GWh	Nov 2007	Dec 2023	Wind
Marshall Wind 5 LLC	Marshall Wind Farm, LLC	Marshall, MN	985 MWh	Nov 2007	Dec 2023	Wind
Marshall Wind 4 LLC	Marshall Wind Farm, LLC	Marshall, MN	6 GWh	Nov 2007	Dec 2023	Wind
Marshall Wind 3 LLC	Marshall Wind Farm, LLC	Marshall, MN	6 GWh	Nov 2007	Dec 2023	Wind
Marshall Wind 2 LLC	Marshall Wind Farm, LLC	Marshall, MN	5 GWh	Nov 2007	Dec 2023	Wind
Marshall Wind 1 LLC	Marshall Wind Farm, LLC	Marshall, MN	3 GWh	Nov 2007	Dec 2023	Wind
Marshall Solar Energy Project	Marshall Solar Energy Project	Marshall, MN	89 GWh	Dec 2016	Aug 2024	Solar
Marshall (MN)	City of Marshall - (MN)	Marshall, MN	58 MWh	Jun 1969	Dec 2023	Distillate Fuel Oil
Marshall (MI)	City of Marshall - (MI)	Marshall, MI	611 MWh	May 1928	Dec 2023	Water
Marshall (IL)	City of Marshall - (IL)	Marshall, IL	202 MWh	Mar 2002	Dec 2023	Distillate Fuel Oil
Marquette Energy Center	City of Marquette - (MI)	Marquette, MI	153 GWh	Jul 2017	Dec 2023	Natural Gas : 98.9% Distillate Fuel Oil : 1.1%
Marmas Solar CSG	National Grid Renewables	St. Cloud, MN	7 GWh	Mar 2018	Dec 2023	Solar
Marlow Solar, LLC CSG	Marlow Solar, LLC	Bluford, IL	4 GWh	Nov 2020	Dec 2023	Solar
Markland	Duke Energy Indiana, LLC	Florence, IN	395 GWh	Dec 1966	Dec 2023	Water
Marion Solar LNG	Marion Solar LLC	Indianapolis, IN	2 GWh	Sep 2015	Dec 2023	Solar
Marion Garden	Excelsior Energy Capital	Faribault, MN	2 GWh	Oct 2020	Dec 2023	Solar
Marion	Southern Illinois Power Coop	Marion, IL	764 GWh	May 1963	Aug 2024	Bituminous Coal : 85.7% Natural Gas : 14.2%
Marigold Community Solar Garden, LLC	National Grid Renewables	Waterville, MN	2 GWh	Dec 2020	Dec 2023	Solar
Marceline	City of Marceline - (MO)	Marceline, MO	7 MWh	Jul 1989	Dec 2023	Distillate Fuel Oil
Maquoketa 1	City of Maquoketa - (IA)	Maquoketa, IA	27 MWh	May 1956	Dec 2023	Natural Gas : 87.4% Distillate Fuel Oil : 12.6%
Mapleton Community Solar	Mapleton Community Solar	Mapleton, MN	5 GWh	May 2017	Dec 2023	Solar
Maple Lake	Great River Energy	Maple Lake, MN	622 MWh	Apr 1978	Oct 2023	Distillate Fuel Oil
Mansfield Mill	IPC-Mansfield Mill	Mansfield, LA	845 GWh	Sep 1981	Aug 2024	Natural Gas : 53.4% Black Liquor : 30.6% Wood/Wood Waste Solids : 13.9% Tire-derived Fuels : 2.1%
Mankato Energy Center	MEC Holdings, LLC	Mankato, MN	3 TWh	Jun 2006	Dec 2023	Natural Gas
Manitowoc	Manitowoc Public Utilities	Manitowoc, WI	145 GWh	May 1955	Aug 2024	Wood/Wood Waste Solids : 90.3% Petroleum Coke : 7.8% Bituminous Coal : 1.4% Natural Gas : 0.5%
Manistique	Cloverland Electric Co-op	Manistique, MI	977 MWh	Jun 1960	Dec 2023	Distillate Fuel Oil
Malmedal Solar Garden	Malmedal Garden LLC	Starbuck, MN	2 GWh	Jun 2019	Dec 2023	Solar
Main Street (MI)	Village of Sebewaing - (MI)	Sebewaing, MI	1 MWh	May 1947	Dec 2023	Distillate Fuel Oil
Magnet Cove	Arkansas Electric Coop Corp	Malvern, AR	4 TWh	Jun 2005	Aug 2024	Natural Gas
Macksburg Wind Project	MidAmerican Energy Co	Macksburg, IA	322 GWh	Nov 2014	Dec 2023	Wind
Macbeth Solar	Macbeth Solar, LLC	Montague, MI	36 GWh	Apr 2022	Dec 2023	Solar
M72 West Solar	Heritage Sustainable Energy. LLC	Traverse City, MI	2 GWh	Nov 2019	Dec 2023	Solar
M L Hibbard	ALLETE, Inc.	Duluth, MN	70 GWh	May 1949	Aug 2024	Wood/Wood Waste Solids : 86.7% Subbituminous Coal : 12.2% Natural Gas : 1.1%
M. G. Emmett J. Bean Federal Center	U.S. General Services Administration	Indianapolis, IN	41 MWh	Mar 2011	Jul 2023	Solar
Lyra Community Solar	Lyra Community Solar	Waterville, MN	5 GWh	Jan 2018	Dec 2023	Solar
Lyons Road	Lyons Road Solar, LLC	Owosso, MI	37 GWh	Dec 2021	Dec 2023	Solar
Lyman Garden	Excelsior Energy Capital	Northfield, MN	2 GWh	Oct 2020	Dec 2023	Solar
Luverne Wind Energy Center	Otter Tail Power Co	Luverne, ND	159 GWh	Aug 2009	Dec 2023	Wind
Luther College Wind Project	Luther College Wind Energy Project LLC	Decorah, IA	10 MWh	Sep 2011	Dec 2023	Wind
Lundgren Wind Project	MidAmerican Energy Co	Otho, IA	806 GWh	Jul 2014	Dec 2023	Wind
Lukuc B Community Solar LLC CSG	Lukuc B Community Solar LLC	Herrin, IL	4 GWh	Jun 2021	Dec 2023	Solar
Lucky Wind	Lucky Wind, LLC (Longroad)	Pipestone, MN	576 MWh	Nov 2004	Dec 2023	Wind
LSU Cogen	LSU and A&M College	Baton Rouge, LA	56 GWh	Nov 2004	Feb 2024	Natural Gas
LSP-Whitewater LP	Wisconsin Electric Power Co	Whitewater, WI	733 GWh	Aug 1997	Aug 2024	Natural Gas
LSP-Cottage Grove LP	Cottage Grove Operating Services LLC	Cottage Grove, MN	1 TWh	Sep 1997	Dec 2023	Natural Gas
Lowry CSG2, LLC	Nautilus Solar Solutions	Glenwood, MN	2 GWh	Nov 2020	Dec 2023	Solar
Louisiana Tech University Power Plant	Louisiana Tech University	Ruston, LA	47 GWh	Jun 2004	Dec 2023	Natural Gas
Louisiana Sugar Refining	Louisiana Sugar Refining LLC	Gramercy, LA	23 GWh	Aug 1930	Dec 2023	Natural Gas
Louisiana 1	Entergy Louisiana LLC	Baton Rouge, LA	3 TWh	Sep 1951	Aug 2024	Natural Gas : 73.7% Other Gas : 26.3%
Louisa	MidAmerican Energy Co	Muscatine, IA	3 TWh	Sep 1983	Aug 2024	Subbituminous Coal : 98.7% Natural Gas : 1.3%
Loud	Consumers Energy Co - (MI)	Oscoda, MI	17 GWh	Dec 1912	Dec 2023	Water
Lost Lakes Wind Farm LLC	Lost Lakes Wind Farm LLC	Lake Park, IA	261 GWh	Nov 2009	Dec 2023	Wind
Lorin Industries	Lorin Industries	Muskegon, MI	4 GWh	Dec 1989	Dec 2023	Natural Gas
Loon Garden	Loon Garden LLC	Waseca, MN	2 GWh	Jan 2020	Dec 2023	Solar
Logansport Solar	Cardinal Renewables	Logansport, IN	24 GWh	Aug 2021	Dec 2023	Solar
Livingston Generating Station	CMS Generation MI Power LLC	Gaylord, MI	10 GWh	May 1999	Dec 2023	Natural Gas
Little Quinnesec Falls Hydro Project	Eagle Creek Renewable Energy, LLC	Niagara, WI	59 GWh	Nov 1900	Dec 2023	Water
Little Gypsy	Entergy Louisiana LLC	La Place, LA	994 GWh	Feb 1961	Aug 2024	Natural Gas
Little Falls (MN)	ALLETE, Inc.	Little Falls, MN	27 GWh	Dec 1905	Dec 2023	Water
Little Chute	City of Kaukauna	Combined Locks, WI	20 GWh	May 1948	Dec 2023	Water
Litchfield	Litchfield Public Utilities	Litchfield, MN	185 MWh	Aug 1963	Dec 2023	Natural Gas : 58.1% Distillate Fuel Oil : 41.9%
Linton	Indiana Municipal Power Agency	Linton, IN	11 GWh	Jun 2022	Dec 2023	Solar
Lineage MS	Madison Energy Holdings LLC	Richland, MS	2 GWh	Nov 2021	Dec 2023	Solar
Lindstrom Solar CSG	National Grid Renewables	Lindstrom, MN	5 GWh	Mar 2018	Dec 2023	Solar
Linden 03 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2023	Solar
Linden 02 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2023	Solar
Linden 01 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2023	Solar
Lind Solar CSG	Terraform Arcadia	Young America, MN	8 GWh	Jan 2017	Dec 2023	Solar
Lincoln Solar	Ecos Energy LLC	Merrillville, IN	2 GWh	Nov 2012	Dec 2023	Solar
Lincoln Land Wind	Lincoln Land Wind, LLC	TBD, IL	1 TWh	Oct 2021	Aug 2024	Wind
Lincoln Heights II	ALLETE Clean Energy	Lake Benton, MN	11 GWh	Apr 2006	Dec 2023	Wind
Lincoln Heights I	ALLETE Clean Energy	Lake Benton, MN	8 GWh	Apr 2006	Dec 2023	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	894.0 GWh	4
#26	Associated Electric Cooperative, Inc.	22.7 TWh	47
#13	Duke Energy Carolinas	110.9 TWh	556
#51	Duke Energy Progress West	4.1 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.2 TWh	20
#1	PJM Interconnection, LLC	843.8 TWh	2,305
#21	Public Service Company of Colorado	45.1 TWh	201
#5	Southwest Power Pool	290.4 TWh	762
#53	Southwestern Power Administration	3.5 TWh	31
#9	Tennessee Valley Authority	157.5 TWh	170

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	843.8 TWh	2,305
#2	Midcontinent Independent System Operator, Inc.	631.0 TWh	2,653
#3	Electric Reliability Council of Texas, Inc.	461.0 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	247.9 TWh	393
#7	California Independent System Operator	191.5 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.7 TWh	159
#12	New York Independent System Operator	130.0 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556