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	Apr 2026
Annual Generation	664.4 TWh
Power Plants	2,831
Utilities	1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 54 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 36.9% Coal \| 27.6% Wind \| 14.8% Nuclear \| 13.6% Solar \| 5% 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
Belle River	DTE Electric Company	China Twp, MI	5 TWh	Oct 1981	Feb 2026	Subbituminous Coal : 90.5% Natural Gas : 9.0%
Wilmot	DTE Electric Company	Kingston Twp, MI	2 GWh	Nov 1968	Feb 2026	Distillate Fuel Oil
St Clair	DTE Electric Company	East China Twp, MI	7 GWh	Jul 1953	Feb 2026	Distillate Fuel Oil : 53.6% Natural Gas : 46.4%
Monroe (MI)	DTE Electric Company	Monroe, MI	16 TWh	Oct 1969	Feb 2026	Subbituminous Coal : 74.7% Bituminous Coal : 16.2% Petroleum Coke : 8.9%
Hancock	DTE Electric Company	Commerce Twp, MI	9 GWh	Mar 1966	Dec 2024	Natural Gas
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	Feb 2026	Natural Gas
Fermi	DTE Electric Company	Frenchtown Twp, MI	10 TWh	Mar 1966	Feb 2026	Nuclear
Northeast (MI)	DTE Electric Company	Warren, MI	6 GWh	Apr 1966	Dec 2024	Natural Gas : 84.7% Distillate Fuel Oil : 15.3%
Delray	DTE Electric Company	Detroit, MI	91 GWh	Jan 2000	Nov 2024	Natural Gas
Sigel Wind Park	DTE Electric Company	Harbor Beach, MI	250 GWh	Nov 2012	Feb 2026	Wind
Brookfield	DTE Electric Company	Pigeon, MI	251 GWh	Jan 2014	Feb 2026	Wind
Greenwood Solar Farm	DTE Electric Company	Avoca, MI	2 GWh	Dec 2015	Feb 2026	Solar
Domino Farms Solar	DTE Electric Company	Ann Arbor, MI	1 GWh	Aug 2015	Feb 2026	Solar
Polaris Wind Park	DTE Electric Company	North Star Township, MI	455 GWh	Apr 2020	Feb 2026	Wind
Dearborn Energy Center	DTE Electric Company	Dearborn, MI	247 GWh	Nov 2019	Dec 2024	Natural Gas
McKinley Wind Park	DTE Electric Company	Pigeon, MI	51 GWh	Nov 2012	Feb 2026	Wind
Demille Solar Farm	DTE Electric Company	Lapeer, MI	37 GWh	Apr 2017	Feb 2026	Solar
Turrill Solar Farm	DTE Electric Company	Lapeer, MI	25 GWh	Apr 2017	Dec 2024	Solar
O'Shea Solar Farm	DTE Electric Company	Detroit, MI	3 GWh	Jun 2017	Dec 2024	Solar
Blue Water Energy Center	DTE Electric Company	East China, MI	8 TWh	May 2022	Feb 2026	Natural Gas
Isabella Wind Park	DTE Electric Company	Rosebush, MI	833 GWh	May 2021	Feb 2026	Wind
Gratiot Wind Park	DTE Electric Company	Breckenridge, MI	235 GWh	Oct 2011	Feb 2026	Wind
Fairbanks Wind Park	DTE Electric Company	Garden, MI	193 GWh	Dec 2021	Feb 2026	Wind
Echo Wind Park	DTE Electric Company	Elkton, MI	569 GWh	Dec 2013	Feb 2026	Wind
Minden Wind Park	DTE Electric Company	Minden City, MI	112 GWh	Nov 2012	Feb 2026	Wind
Pine River Wind Park	DTE Electric Company	Shepherd, MI	377 GWh	Feb 2019	Feb 2026	Wind
Heritage Garden Wind Farm I LLC	DTE Sustainable Generation	Garden, MI	75 GWh	Aug 2012	Dec 2024	Wind
Big Turtle Wind Farm, LLC	DTE Sustainable Generation	Harbor Beach, MI	70 GWh	Nov 2014	Dec 2024	Wind
Garden 1 Solar Park	DTE Sustainable Generation	Garden Township, MI	1 GWh	Aug 2016	Dec 2024	Solar
Garden 2 Solar Park	DTE Sustainable Generation	Garden Township, MI	2 GWh	May 2022	Dec 2024	Solar
Stoney Corners Wind Farm	DTE Sustainable Generation	McBain, MI	127 GWh	Nov 2009	Dec 2024	Wind
Gibson	Duke Energy Indiana, LLC	Owensville, IN	10 TWh	Mar 1975	Feb 2026	Bituminous Coal : 99.6%
Markland	Duke Energy Indiana, LLC	Florence, IN	299 GWh	Dec 1966	Dec 2024	Water
Edwardsport	Duke Energy Indiana, LLC	Edwardsport, IN	4 TWh	May 2013	Feb 2026	Natural Gas : 51.7% Coal-Derived Synthesis Gas : 40.3% Bituminous Coal : 8.0%
Cayuga	Duke Energy Indiana, LLC	Cayuga, IN	4 TWh	Sep 1970	Jan 2026	Bituminous Coal : 99.3%
Wheatland Generating Facility	Duke Energy Indiana, LLC	Wheatland, IN	131 GWh	May 2000	Dec 2024	Natural Gas
Henry County	Duke Energy Indiana, LLC	New Castle, IN	345 GWh	Jun 2001	Dec 2024	Natural Gas
Noblesville	Duke Energy Indiana, LLC	Noblesville, IN	2 TWh	Aug 1950	Dec 2024	Natural Gas
Tippecanoe Solar Power Plant	Duke Energy Indiana, LLC	West Lafayette, IN	3 GWh	Nov 2019	Nov 2024	Solar
Crane Solar Facility	Duke Energy Indiana, LLC	Crane, IN	29 GWh	Dec 2016	Dec 2024	Solar
Camp Atterbury Microgrid Hybrid	Duke Energy Indiana, LLC	Edinburgh, IN	3 GWh	Oct 2019	Dec 2024	Solar
Purdue CHP	Duke Energy Indiana, LLC	West Lafayette, IN	123 GWh	Feb 2022	Dec 2024	Natural Gas
Vermillion Energy Facility	Duke Energy Ohio Inc	Cayuga, IN	728 GWh	May 2000	Dec 2024	Natural Gas
Ledyard Windpower, LLC	Duke Energy Renewables Services	Lakota, IA	637 GWh	Nov 2022	Feb 2026	Wind
Wildflower Solar, LLC (MS)	Duke Energy Renewables Services	DeSoto, MS	201 GWh	Apr 2024	Feb 2026	Solar
Shirley Wind	Duke Energy Renewables Services	Denmark, WI	60 GWh	Oct 2010	Dec 2024	Wind
Dunns Bridge II Solar	Dunns Bridge II Solar and Storage Generation LLC	San Pierre, IN	811 GWh	-	Feb 2026	Solar
Dunns Bridge I Solar	Dunns Bridge Solar Center LLC	Wheatfield, IN	507 GWh	May 2023	Feb 2026	Solar
Baldwin Energy Complex	Dynegy Midwest Generation Inc	Baldwin, IL	6 TWh	Jun 1970	Feb 2026	Subbituminous Coal : 99.7%
E. Goenner Project CSG	E. Goenner Community Solar LLC	Clear Lake, MN	1 GWh	Nov 2019	Dec 2024	Solar
Rockton	Eagle Creek Renewable Energy, LLC	Rockton, IL	6 GWh	Dec 1928	Dec 2024	Water
Oconto Falls Upper	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	6 GWh	Dec 1917	Dec 2024	Water
Oconto Falls Lower	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	7 GWh	Dec 1970	Dec 2024	Water
French Landing Dam	Eagle Creek Renewable Energy, LLC	Belleville, MI	8 GWh	Nov 1988	Dec 2024	Water
Four Mile Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	9 GWh	Aug 1990	Dec 2024	Water
Cascade Dam (MI)	Eagle Creek Renewable Energy, LLC	Grand Rapids, MI	3 GWh	Nov 1986	Dec 2024	Water
Ada Dam	Eagle Creek Renewable Energy, LLC	Ada, MI	2 GWh	Feb 1984	Dec 2024	Water
Menominee Mill Marinette	Eagle Creek Renewable Energy, LLC	Menominee, MI	11 GWh	Dec 1923	Feb 2026	Water
Ninth Street Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	7 GWh	Aug 1990	Dec 2024	Water
Little Quinnesec Falls Hydro Project	Eagle Creek Renewable Energy, LLC	Niagara, WI	57 GWh	Nov 1900	Dec 2024	Water
Norway Point Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	15 GWh	Aug 1990	Dec 2024	Water
Park Mill	Eagle Creek Renewable Energy, LLC	Marinette, WI	9 GWh	Dec 1919	Dec 2024	Water
Dayton Hydro	Eagle Creek Renewable Energy, LLC	Ottawa, IL	16 GWh	Dec 1924	Dec 2024	Water
Sartell Dam	Eagle Creek Renewable Energy, LLC	Sartell, MN	29 GWh	Feb 1985	Dec 2024	Water
San Jacinto County Peaking Facility	East Texas Electric Coop, Inc	Shepherd, TX	140 GWh	Jun 2001	Dec 2024	Natural Gas
RC Thomas Hydroelectric Project	East Texas Electric Coop, Inc	Livingston, TX	113 GWh	Jun 2020	Feb 2026	Water
East. Michigan Univ. Heating Plant	East. Michigan Univ. Heating Plant	Ypsilanti, MI	37 GWh	Sep 1987	Dec 2024	Natural Gas
Eastridge Wind Project	Eastridge Wind Project	Porter, MN	19 GWh	Mar 2006	Dec 2024	Wind
Randolph CSG PV1-5	Ecoplexus, Inc	Randolph, MN	5 GWh	May 2019	Dec 2024	Solar
Cottage Grove CSG, LLC	Ecoplexus, Inc	Cottage Grove, MN	8 GWh	Feb 2018	Dec 2024	Solar
Fox CSG, LLC	Ecoplexus, Inc	Taylors Falls, MN	7 GWh	Feb 2018	Dec 2024	Solar
SunE Feely 1 CSG, LLC	Ecoplexus, Inc	Farmington, MN	8 GWh	Aug 2018	Dec 2024	Solar
SunE Stolee CSG, LLC	Ecoplexus, Inc	Kenyon, MN	5 GWh	Feb 2018	Dec 2024	Solar
Wyoming 2 CSG, LLC	Ecoplexus, Inc	Wyoming, MN	8 GWh	Feb 2018	Dec 2024	Solar
Felton CSG PV1-5	Ecoplexus, Inc	Randolph, MN	8 GWh	May 2019	Dec 2024	Solar
Middlebury Solar	Ecos Energy LLC	Middlebury, IN	457 MWh	Oct 2012	Oct 2024	Solar
Portage Solar	Ecos Energy LLC	Valparaiso, IN	1 GWh	Oct 2012	Dec 2024	Solar
Lincoln Solar	Ecos Energy LLC	Merrillville, IN	608 MWh	Nov 2012	Dec 2024	Solar
Slayton Solar	Ecos Energy LLC	Slayton, MN	2 GWh	Dec 2012	Dec 2024	Solar
Red Pine Wind Project	EDF Renewable Asset Holdings, Inc.	Ivanhoe, MN	762 GWh	Nov 2017	Feb 2026	Wind
Stoneray Power Partners, LLC	EDF Renewable Asset Holdings, Inc.	Woodstock, MN	363 GWh	Jan 2019	Feb 2026	Wind
Glaciers Edge Wind Project	EDF Renewable Asset Holdings, Inc.	Cleghorn, IA	805 GWh	Nov 2019	Feb 2026	Wind
Lakefield Wind Project LLC	EDF Renewable Asset Holdings, Inc.	Lakefield, MN	383 GWh	Sep 2011	Feb 2026	Wind
Wapsipinicon Wind Project	EDF Renewable Asset Holdings, Inc.	Dexter, MN	260 GWh	Jan 2009	Dec 2024	Wind
Fenton Wind Farm	EDF Renewable Asset Holdings, Inc.	Chandler, MN	382 GWh	Aug 2007	Feb 2026	Wind
Carpenter Wind Farm LLC	EDP Renewables North America LLC	Remington, IN	189 GWh	-	Feb 2026	Wind
Edwardsville Solar II	Edwardsville Solar II, LLC	Edwardsville, IL	4 GWh	Jun 2021	Dec 2024	Solar
Elba Solar LLC	Elba Solar LLC	Williamsfield, IL	4 GWh	Jan 2023	Dec 2024	Solar
Timmerman (CSG)	Elora LLC	Balaton, MN	2 GWh	Nov 2022	Dec 2024	Solar
Emmons-Logan Wind, LLC	Emmons-Logan Wind, LLC	Linton, ND	859 GWh	Nov 2019	Feb 2026	Wind
Albany Solar	Enel Green Power NA, Inc.	Albany, MN	19 GWh	Nov 2016	Dec 2024	Solar
Prairie Rose Wind Farm	Enel Green Power NA, Inc.	Hardwick, MN	453 GWh	Nov 2012	Feb 2026	Wind
West Waconia Solar	Enel Green Power NA, Inc.	Norwood Young America, MN	16 GWh	Nov 2016	Dec 2024	Solar
West Faribault Solar	Enel Green Power NA, Inc.	Faribault, MN	10 GWh	Nov 2016	Dec 2024	Solar
Waseca Solar	Enel Green Power NA, Inc.	Waseca, MN	21 GWh	Nov 2016	Dec 2024	Solar
Pine Island Solar	Enel Green Power NA, Inc.	Pine Island, MN	8 GWh	Nov 2016	Dec 2024	Solar
Paynesville Solar	Enel Green Power NA, Inc.	Paynesville, MN	20 GWh	Nov 2016	Nov 2024	Solar
Montrose Solar	Enel Green Power NA, Inc.	Montrose, MN	7 GWh	Nov 2016	Dec 2024	Solar
Lawrence Creek Solar	Enel Green Power NA, Inc.	Shafer, MN	6 GWh	Nov 2016	Dec 2024	Solar
Lake Emily Solar	Enel Green Power NA, Inc.	St. Peter, MN	9 GWh	Nov 2016	Dec 2024	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#60	Alcoa Power Generating, Inc. - Yadkin Division	582.3 GWh	4
#27	Associated Electric Cooperative, Inc.	23.9 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.4 TWh	10
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.0 TWh	25
#1	PJM Interconnection, LLC	881.5 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	302.9 TWh	835
#51	Southwestern Power Administration	4.6 TWh	34
#9	Tennessee Valley Authority	163.1 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	881.5 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	664.4 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	488.2 TWh	1,313
#5	Southwest Power Pool	302.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	176.8 TWh	2,075
#9	Tennessee Valley Authority	163.1 TWh	204
#10	Florida Power & Light Co.	150.9 TWh	187
#12	New York Independent System Operator	134.4 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565