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	Jul 2026
Annual Generation	669.4 TWh
Power Plants	3,038
Utilities	1,345
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% Coal \| 26.5% Wind \| 14.9% Nuclear \| 13.9% Solar \| 5.7% Water \| 1.4% Other Fuel \| 0.6%

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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
Placid 12	DTE Electric Company	Clarkston, MI	243 MWh	Oct 1970	Dec 2025	Distillate Fuel Oil
Northeast (MI)	DTE Electric Company	Warren, MI	15 GWh	Apr 1966	Dec 2025	Natural Gas : 86.8% Distillate Fuel Oil : 13.2%
Wilmot	DTE Electric Company	Kingston Twp, MI	2 GWh	Nov 1968	Apr 2026	Distillate Fuel Oil
Dean	DTE Electric Company	East China, MI	705 GWh	May 2002	Dec 2025	Natural Gas
Monroe (MI)	DTE Electric Company	Monroe, MI	16 TWh	Oct 1969	May 2026	Subbituminous Coal : 75.2% Bituminous Coal : 15.7% Petroleum Coke : 8.9%
Gratiot Wind Park	DTE Electric Company	Breckenridge, MI	214 GWh	Oct 2011	May 2026	Wind
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	May 2026	Natural Gas
Hancock	DTE Electric Company	Commerce Twp, MI	20 GWh	Mar 1966	Dec 2025	Natural Gas
Fermi	DTE Electric Company	Frenchtown Twp, MI	8 TWh	Mar 1966	May 2026	Nuclear
Delray	DTE Electric Company	Detroit, MI	145 GWh	Jan 2000	Dec 2025	Natural Gas
Colfax	DTE Electric Company	Fowlerville, MI	146 MWh	Oct 1969	Dec 2025	Distillate Fuel Oil
Greenwood (MI)	DTE Electric Company	Avoca, MI	2 TWh	Jun 1979	May 2026	Natural Gas
Belle River	DTE Electric Company	China Twp, MI	5 TWh	Oct 1981	May 2026	Subbituminous Coal : 78.5% Natural Gas : 21.1%
O'Shea Solar Farm	DTE Electric Company	Detroit, MI	3 GWh	Jun 2017	Dec 2025	Solar
Turrill Solar Farm	DTE Electric Company	Lapeer, MI	20 GWh	Apr 2017	Dec 2025	Solar
Demille Solar Farm	DTE Electric Company	Lapeer, MI	37 GWh	Apr 2017	May 2026	Solar
Pine River Wind Park	DTE Electric Company	Shepherd, MI	380 GWh	Feb 2019	May 2026	Wind
Brookfield	DTE Electric Company	Pigeon, MI	247 GWh	Jan 2014	May 2026	Wind
Echo Wind Park	DTE Electric Company	Elkton, MI	566 GWh	Dec 2013	May 2026	Wind
Sigel Wind Park	DTE Electric Company	Harbor Beach, MI	246 GWh	Nov 2012	May 2026	Wind
Fairbanks Wind Park	DTE Electric Company	Garden, MI	182 GWh	Dec 2021	May 2026	Wind
Minden Wind Park	DTE Electric Company	Minden City, MI	110 GWh	Nov 2012	May 2026	Wind
Isabella Wind Park	DTE Electric Company	Rosebush, MI	809 GWh	May 2021	May 2026	Wind
McKinley Wind Park	DTE Electric Company	Pigeon, MI	51 GWh	Nov 2012	May 2026	Wind
Greenwood Solar Farm	DTE Electric Company	Avoca, MI	2 GWh	Dec 2015	May 2026	Solar
Polaris Wind Park	DTE Electric Company	North Star Township, MI	455 GWh	Apr 2020	May 2026	Wind
Dearborn Energy Center	DTE Electric Company	Dearborn, MI	237 GWh	Nov 2019	Dec 2025	Natural Gas
Domino Farms Solar	DTE Electric Company	Ann Arbor, MI	844 MWh	Aug 2015	May 2026	Solar
Blue Water Energy Center	DTE Electric Company	East China, MI	8 TWh	May 2022	May 2026	Natural Gas
Heritage Garden Wind Farm I LLC	DTE Sustainable Generation	Garden, MI	71 GWh	Aug 2012	Dec 2025	Wind
Big Turtle Wind Farm, LLC	DTE Sustainable Generation	Harbor Beach, MI	76 GWh	Nov 2014	Dec 2025	Wind
Garden 1 Solar Park	DTE Sustainable Generation	Garden Township, MI	1 GWh	Aug 2016	Dec 2025	Solar
Garden 2 Solar Park	DTE Sustainable Generation	Garden Township, MI	3 GWh	May 2022	Dec 2025	Solar
Stoney Corners Wind Farm	DTE Sustainable Generation	McBain, MI	125 GWh	Nov 2009	Dec 2025	Wind
Noblesville	Duke Energy Indiana, LLC	Noblesville, IN	2 TWh	Aug 1950	Dec 2025	Natural Gas
Wheatland Generating Facility	Duke Energy Indiana, LLC	Wheatland, IN	153 GWh	May 2000	Dec 2025	Natural Gas
Henry County	Duke Energy Indiana, LLC	New Castle, IN	275 GWh	Jun 2001	Dec 2025	Natural Gas
Markland	Duke Energy Indiana, LLC	Florence, IN	253 GWh	Dec 1966	Dec 2025	Water
Edwardsport	Duke Energy Indiana, LLC	Edwardsport, IN	4 TWh	May 2013	May 2026	Coal-Derived Synthesis Gas : 49.4% Natural Gas : 40.8% Bituminous Coal : 9.8%
Gibson	Duke Energy Indiana, LLC	Owensville, IN	11 TWh	Mar 1975	May 2026	Bituminous Coal : 99.6%
Cayuga	Duke Energy Indiana, LLC	Cayuga, IN	4 TWh	Sep 1970	May 2026	Bituminous Coal : 99.3%
Camp Atterbury Microgrid Hybrid	Duke Energy Indiana, LLC	Edinburgh, IN	2 GWh	Oct 2019	Dec 2025	Solar
Crane Solar Facility	Duke Energy Indiana, LLC	Crane, IN	27 GWh	Dec 2016	Dec 2025	Solar
Tippecanoe Solar Power Plant	Duke Energy Indiana, LLC	West Lafayette, IN	2 GWh	Nov 2019	Dec 2025	Solar
Purdue CHP	Duke Energy Indiana, LLC	West Lafayette, IN	125 GWh	Feb 2022	Dec 2025	Natural Gas
Vermillion Energy Facility	Duke Energy Ohio Inc	Cayuga, IN	422 GWh	May 2000	Dec 2025	Natural Gas
Wildflower Solar, LLC (MS)	Duke Energy Renewables Services	DeSoto, MS	200 GWh	Apr 2024	May 2026	Solar
Ledyard Windpower, LLC	Duke Energy Renewables Services	Lakota, IA	603 GWh	Nov 2022	May 2026	Wind
Shirley Wind	Duke Energy Renewables Services	Denmark, WI	57 GWh	Oct 2010	Dec 2025	Wind
Dunns Bridge II Solar	Dunns Bridge II Solar and Storage Generation LLC	San Pierre, IN	774 GWh	Dec 2024	May 2026	Solar
Dunns Bridge I Solar	Dunns Bridge Solar Center LLC	Wheatfield, IN	453 GWh	May 2023	May 2026	Solar
Baldwin Energy Complex	Dynegy Midwest Generation Inc	Baldwin, IL	6 TWh	Jun 1970	May 2026	Subbituminous Coal : 99.7%
E. Goenner Project CSG	E. Goenner Community Solar LLC	Clear Lake, MN	1 GWh	Nov 2019	Dec 2025	Solar
Little Quinnesec Falls Hydro Project	Eagle Creek Renewable Energy, LLC	Niagara, WI	61 GWh	Nov 1900	Dec 2025	Water
Rockton	Eagle Creek Renewable Energy, LLC	Rockton, IL	6 GWh	Dec 1928	Dec 2025	Water
Sartell Dam	Eagle Creek Renewable Energy, LLC	Sartell, MN	30 GWh	Feb 1985	Dec 2025	Water
Ninth Street Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	6 GWh	Aug 1990	Dec 2025	Water
Four Mile Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	8 GWh	Aug 1990	Dec 2025	Water
Park Mill	Eagle Creek Renewable Energy, LLC	Marinette, WI	4 GWh	Dec 1919	Dec 2025	Water
Oconto Falls Upper	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	12 GWh	Dec 1917	Dec 2025	Water
Menominee Mill Marinette	Eagle Creek Renewable Energy, LLC	Menominee, MI	10 GWh	Dec 1923	May 2026	Water
Ada Dam	Eagle Creek Renewable Energy, LLC	Ada, MI	2 GWh	Feb 1984	Dec 2025	Water
Dayton Hydro	Eagle Creek Renewable Energy, LLC	Ottawa, IL	10 GWh	Dec 1924	Dec 2025	Water
Cascade Dam (MI)	Eagle Creek Renewable Energy, LLC	Grand Rapids, MI	4 GWh	Nov 1986	Dec 2025	Water
French Landing Dam	Eagle Creek Renewable Energy, LLC	Belleville, MI	5 GWh	Nov 1988	Dec 2025	Water
Norway Point Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	13 GWh	Aug 1990	Dec 2025	Water
Oconto Falls Lower	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	6 GWh	Dec 1970	Dec 2025	Water
San Jacinto County Peaking Facility	East Texas Electric Coop, Inc	Shepherd, TX	287 GWh	Jun 2001	Dec 2025	Natural Gas
RC Thomas Hydroelectric Project	East Texas Electric Coop, Inc	Livingston, TX	114 GWh	Jun 2020	May 2026	Water
East. Michigan Univ. Heating Plant	East. Michigan Univ. Heating Plant	Ypsilanti, MI	33 GWh	Sep 1987	Dec 2025	Natural Gas
Eastridge Wind Project	Eastridge Wind Project	Porter, MN	14 GWh	Mar 2006	Dec 2025	Wind
Felton CSG PV1-5	Ecoplexus, Inc	Randolph, MN	7 GWh	May 2019	Dec 2025	Solar
Wyoming 2 CSG, LLC	Ecoplexus, Inc	Wyoming, MN	8 GWh	Feb 2018	Dec 2025	Solar
SunE Stolee CSG, LLC	Ecoplexus, Inc	Kenyon, MN	5 GWh	Feb 2018	Dec 2025	Solar
Fox CSG, LLC	Ecoplexus, Inc	Taylors Falls, MN	7 GWh	Feb 2018	Dec 2025	Solar
Cottage Grove CSG, LLC	Ecoplexus, Inc	Cottage Grove, MN	7 GWh	Feb 2018	Dec 2025	Solar
SunE Feely 1 CSG, LLC	Ecoplexus, Inc	Farmington, MN	8 GWh	Aug 2018	Dec 2025	Solar
Randolph CSG PV1-5	Ecoplexus, Inc	Randolph, MN	8 GWh	May 2019	Dec 2025	Solar
Lincoln Solar	Ecos Energy LLC	Merrillville, IN	2 GWh	Nov 2012	Dec 2025	Solar
Slayton Solar	Ecos Energy LLC	Slayton, MN	2 GWh	Dec 2012	Dec 2025	Solar
Portage Solar	Ecos Energy LLC	Valparaiso, IN	2 GWh	Oct 2012	Dec 2025	Solar
Middlebury Solar	Ecos Energy LLC	Middlebury, IN	2 GWh	Oct 2012	Dec 2025	Solar
Red Pine Wind Project	EDF Renewable Asset Holdings, Inc.	Ivanhoe, MN	765 GWh	Nov 2017	May 2026	Wind
Glaciers Edge Wind Project	EDF Renewable Asset Holdings, Inc.	Cleghorn, IA	817 GWh	Nov 2019	May 2026	Wind
Stoneray Power Partners, LLC	EDF Renewable Asset Holdings, Inc.	Woodstock, MN	363 GWh	Jan 2019	May 2026	Wind
Lakefield Wind Project LLC	EDF Renewable Asset Holdings, Inc.	Lakefield, MN	392 GWh	Sep 2011	May 2026	Wind
Fenton Wind Farm	EDF Renewable Asset Holdings, Inc.	Chandler, MN	387 GWh	Aug 2007	May 2026	Wind
Wapsipinicon Wind Project	EDF Renewable Asset Holdings, Inc.	Dexter, MN	268 GWh	Jan 2009	Dec 2025	Wind
Edwardsville Solar II	Edwardsville Solar II, LLC	Edwardsville, IL	4 GWh	Jun 2021	Dec 2025	Solar
Elba Solar LLC	Elba Solar LLC	Williamsfield, IL	4 GWh	Jan 2023	Dec 2025	Solar
Timmerman (CSG)	Elora LLC	Balaton, MN	2 GWh	Nov 2022	Dec 2025	Solar
Emmons-Logan Wind, LLC	Emmons-Logan Wind, LLC	Linton, ND	849 GWh	Nov 2019	May 2026	Wind
Paynesville Solar	Enel Green Power NA, Inc.	Paynesville, MN	18 GWh	Nov 2016	Dec 2025	Solar
Atwater Solar	Enel Green Power NA, Inc.	Atwater, MN	8 GWh	Nov 2016	Dec 2025	Solar
Annandale Solar	Enel Green Power NA, Inc.	Annandale, MN	12 GWh	Nov 2016	Dec 2025	Solar
Albany Solar	Enel Green Power NA, Inc.	Albany, MN	19 GWh	Nov 2016	Dec 2025	Solar
Lake Pulaski Solar	Enel Green Power NA, Inc.	Buffalo, MN	13 GWh	Nov 2016	Dec 2025	Solar
Lawrence Creek Solar	Enel Green Power NA, Inc.	Shafer, MN	6 GWh	Nov 2016	Dec 2025	Solar
Chisago Solar	Enel Green Power NA, Inc.	North Branch, MN	11 GWh	Nov 2016	Dec 2025	Solar
Montrose Solar	Enel Green Power NA, Inc.	Montrose, MN	6 GWh	Nov 2016	Dec 2025	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	442.5 GWh	4
#26	Associated Electric Cooperative, Inc.	23.4 TWh	47
#13	Duke Energy Carolinas	112.6 TWh	577
#50	Duke Energy Progress West	4.5 TWh	15
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	33.9 TWh	25
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#5	Southwest Power Pool	306.8 TWh	856
#53	Southwestern Power Administration	4.1 TWh	34
#9	Tennessee Valley Authority	163.4 TWh	207

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#2	Midcontinent Independent System Operator, Inc.	669.4 TWh	3,038
#3	Electric Reliability Council of Texas, Inc.	494.1 TWh	1,471
#5	Southwest Power Pool	306.8 TWh	856
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#7	California Independent System Operator	169.4 TWh	2,135
#9	Tennessee Valley Authority	163.4 TWh	207
#10	Florida Power & Light Co.	152.2 TWh	187
#12	New York Independent System Operator	134.3 TWh	1,299
#13	Duke Energy Carolinas	112.6 TWh	577