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%

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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
Elba Solar LLC	Elba Solar LLC	Williamsfield, IL	4 GWh	Jan 2023	Dec 2025	Solar
Edwardsville Solar II	Edwardsville Solar II, LLC	Edwardsville, IL	4 GWh	Jun 2021	Dec 2025	Solar
Red Pine Wind Project	EDF Renewable Asset Holdings, Inc.	Ivanhoe, MN	782 GWh	Nov 2017	Jul 2026	Wind
Glaciers Edge Wind Project	EDF Renewable Asset Holdings, Inc.	Cleghorn, IA	815 GWh	Nov 2019	Jul 2026	Wind
Stoneray Power Partners, LLC	EDF Renewable Asset Holdings, Inc.	Woodstock, MN	358 GWh	Jan 2019	Jul 2026	Wind
Fenton Wind Farm	EDF Renewable Asset Holdings, Inc.	Chandler, MN	380 GWh	Aug 2007	Jul 2026	Wind
Wapsipinicon Wind Project	EDF Renewable Asset Holdings, Inc.	Dexter, MN	268 GWh	Jan 2009	Dec 2025	Wind
Lakefield Wind Project LLC	EDF Renewable Asset Holdings, Inc.	Lakefield, MN	396 GWh	Sep 2011	Jul 2026	Wind
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
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
Felton CSG PV1-5	Ecoplexus, Inc	Randolph, MN	7 GWh	May 2019	Dec 2025	Solar
Randolph CSG PV1-5	Ecoplexus, Inc	Randolph, MN	8 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
Eastridge Wind Project	Eastridge Wind Project	Porter, MN	14 GWh	Mar 2006	Dec 2025	Wind
East. Michigan Univ. Heating Plant	East. Michigan Univ. Heating Plant	Ypsilanti, MI	33 GWh	Sep 1987	Dec 2025	Natural Gas
RC Thomas Hydroelectric Project	East Texas Electric Coop, Inc	Livingston, TX	115 GWh	Jun 2020	Jul 2026	Water
San Jacinto County Peaking Facility	East Texas Electric Coop, Inc	Shepherd, TX	287 GWh	Jun 2001	Dec 2025	Natural Gas
Dayton Hydro	Eagle Creek Renewable Energy, LLC	Ottawa, IL	10 GWh	Dec 1924	Dec 2025	Water
Norway Point Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	13 GWh	Aug 1990	Dec 2025	Water
Ninth Street Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	6 GWh	Aug 1990	Dec 2025	Water
Oconto Falls Upper	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	6 GWh	Dec 1917	Dec 2025	Water
Four Mile Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	8 GWh	Aug 1990	Dec 2025	Water
Sartell Dam	Eagle Creek Renewable Energy, LLC	Sartell, MN	30 GWh	Feb 1985	Dec 2025	Water
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
Oconto Falls Lower	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	6 GWh	Dec 1970	Dec 2025	Water
French Landing Dam	Eagle Creek Renewable Energy, LLC	Belleville, MI	5 GWh	Nov 1988	Dec 2025	Water
Cascade Dam (MI)	Eagle Creek Renewable Energy, LLC	Grand Rapids, MI	4 GWh	Nov 1986	Dec 2025	Water
Ada Dam	Eagle Creek Renewable Energy, LLC	Ada, MI	2 GWh	Feb 1984	Dec 2025	Water
Menominee Mill Marinette	Eagle Creek Renewable Energy, LLC	Menominee, MI	9 GWh	Dec 1923	Jul 2026	Water
Park Mill	Eagle Creek Renewable Energy, LLC	Marinette, WI	4 GWh	Dec 1919	Dec 2025	Water
E. Goenner Project CSG	E. Goenner Community Solar LLC	Clear Lake, MN	1 GWh	Nov 2019	Dec 2025	Solar
Baldwin Energy Complex	Dynegy Midwest Generation Inc	Baldwin, IL	6 TWh	Jun 1970	Jul 2026	Subbituminous Coal : 99.8%
Dunns Bridge I Solar	Dunns Bridge Solar Center LLC	Wheatfield, IN	421 GWh	May 2023	Jul 2026	Solar
Dunns Bridge II Solar	Dunns Bridge II Solar and Storage Generation LLC	San Pierre, IN	774 GWh	Dec 2024	Jul 2026	Solar
Vermillion Energy Facility	Duke Energy Ohio Inc	Cayuga, IN	422 GWh	May 2000	Dec 2025	Natural Gas
Noblesville	Duke Energy Indiana, LLC	Noblesville, IN	2 TWh	Aug 1950	Dec 2025	Natural Gas
Markland	Duke Energy Indiana, LLC	Florence, IN	253 GWh	Dec 1966	Dec 2025	Water
Henry County	Duke Energy Indiana, LLC	New Castle, IN	275 GWh	Jun 2001	Dec 2025	Natural Gas
Edwardsport	Duke Energy Indiana, LLC	Edwardsport, IN	4 TWh	May 2013	Jul 2026	Coal-Derived Synthesis Gas : 48.9% Natural Gas : 41.1% Bituminous Coal : 9.9%
Cayuga	Duke Energy Indiana, LLC	Cayuga, IN	4 TWh	Sep 1970	Jul 2026	Bituminous Coal : 99.4%
Wheatland Generating Facility	Duke Energy Indiana, LLC	Wheatland, IN	153 GWh	May 2000	Dec 2025	Natural Gas
Gibson	Duke Energy Indiana, LLC	Owensville, IN	11 TWh	Mar 1975	Jul 2026	Bituminous Coal : 99.6%
Purdue CHP	Duke Energy Indiana, LLC	West Lafayette, IN	125 GWh	Feb 2022	Dec 2025	Natural Gas
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
Big Turtle Wind Farm, LLC	DTE Sustainable Generation	Harbor Beach, MI	76 GWh	Nov 2014	Dec 2025	Wind
Heritage Garden Wind Farm I LLC	DTE Sustainable Generation	Garden, MI	71 GWh	Aug 2012	Dec 2025	Wind
Stoney Corners Wind Farm	DTE Sustainable Generation	McBain, MI	125 GWh	Nov 2009	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
Big Turtle Wind Farm 2	DTE Electric Company	Harbor Beach, MI	104 GWh	Sep 2016	Dec 2025	Wind
Fish Creek Solar Park	DTE Electric Company	Greenville, MI	100 GWh	-	Jul 2026	Solar
Mission Road Solar Park	DTE Electric Company	Rosebush, MI	137 GWh	-	Jul 2026	Solar
Polaris Solar Park	DTE Electric Company	Ashley, MI	148 GWh	Jun 2025	Jul 2026	Solar
Meridian Wind Park	DTE Electric Company	Merrill, MI	482 GWh	Mar 2023	Jul 2026	Wind
Pine River Solar Park	DTE Electric Company	Alma, MI	128 GWh	May 2025	Jul 2026	Solar
Sauk Solar Park	DTE Electric Company	Union City, MI	229 GWh	Dec 2024	Jul 2026	Solar
Gratiot Wind Park	DTE Electric Company	Breckenridge, MI	214 GWh	Oct 2011	Jul 2026	Wind
Blue Water Energy Center	DTE Electric Company	East China, MI	7 TWh	May 2022	Jul 2026	Natural Gas
Domino Farms Solar	DTE Electric Company	Ann Arbor, MI	834 MWh	Aug 2015	Jul 2026	Solar
Greenwood Solar Farm	DTE Electric Company	Avoca, MI	2 GWh	Dec 2015	Jul 2026	Solar
Brookfield	DTE Electric Company	Pigeon, MI	245 GWh	Jan 2014	Jul 2026	Wind
Demille Solar Farm	DTE Electric Company	Lapeer, MI	37 GWh	Apr 2017	Jul 2026	Solar
Turrill Solar Farm	DTE Electric Company	Lapeer, MI	20 GWh	Apr 2017	Dec 2025	Solar
O'Shea Solar Farm	DTE Electric Company	Detroit, MI	3 GWh	Jun 2017	Dec 2025	Solar
Dearborn Energy Center	DTE Electric Company	Dearborn, MI	237 GWh	Nov 2019	Dec 2025	Natural Gas
Isabella Wind Park	DTE Electric Company	Rosebush, MI	816 GWh	May 2021	Jul 2026	Wind
Polaris Wind Park	DTE Electric Company	North Star Township, MI	458 GWh	Apr 2020	Jul 2026	Wind
Echo Wind Park	DTE Electric Company	Elkton, MI	564 GWh	Dec 2013	Jul 2026	Wind
Pine River Wind Park	DTE Electric Company	Shepherd, MI	382 GWh	Feb 2019	Jul 2026	Wind
Sigel Wind Park	DTE Electric Company	Harbor Beach, MI	246 GWh	Nov 2012	Jul 2026	Wind
Fairbanks Wind Park	DTE Electric Company	Garden, MI	180 GWh	Dec 2021	Jul 2026	Wind
McKinley Wind Park	DTE Electric Company	Pigeon, MI	52 GWh	Nov 2012	Jul 2026	Wind
Minden Wind Park	DTE Electric Company	Minden City, MI	109 GWh	Nov 2012	Jul 2026	Wind
Placid 12	DTE Electric Company	Clarkston, MI	243 MWh	Oct 1970	Dec 2025	Distillate Fuel Oil
Colfax	DTE Electric Company	Fowlerville, MI	146 MWh	Oct 1969	Dec 2025	Distillate Fuel Oil
Delray	DTE Electric Company	Detroit, MI	145 GWh	Jan 2000	Dec 2025	Natural Gas
Greenwood (MI)	DTE Electric Company	Avoca, MI	2 TWh	Jun 1979	Jul 2026	Natural Gas
Fermi	DTE Electric Company	Frenchtown Twp, MI	8 TWh	Mar 1966	Jul 2026	Nuclear
Hancock	DTE Electric Company	Commerce Twp, MI	20 GWh	Mar 1966	Dec 2025	Natural Gas
Belle River	DTE Electric Company	China Twp, MI	4 TWh	Oct 1981	Jul 2026	Subbituminous Coal : 67.9% Natural Gas : 31.7%
Wilmot	DTE Electric Company	Kingston Twp, MI	2 GWh	Nov 1968	Jul 2026	Distillate Fuel Oil
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	Jul 2026	Natural Gas
Superior	DTE Electric Company	Superior Twp, MI	789 MWh	Sep 1966	Dec 2025	Distillate Fuel Oil
St Clair	DTE Electric Company	East China Twp, MI	7 GWh	Jul 1953	Jul 2026	Distillate Fuel Oil : 51.3% Natural Gas : 48.7%
Monroe (MI)	DTE Electric Company	Monroe, MI	15 TWh	Oct 1969	Jul 2026	Subbituminous Coal : 75.2% Bituminous Coal : 15.6% Petroleum Coke : 9.0%
Dean	DTE Electric Company	East China, MI	705 GWh	May 2002	Dec 2025	Natural Gas
Northeast (MI)	DTE Electric Company	Warren, MI	15 GWh	Apr 1966	Dec 2025	Natural Gas : 86.8% Distillate Fuel Oil : 13.2%
Putnam (MI)	DTE Electric Company	Mayville, MI	129 MWh	May 1971	Dec 2025	Distillate Fuel Oil
DSI Julie Solar	DSI Julie Solar LLC	Cold Spring, MN	2 GWh	Nov 2024	Dec 2025	Solar
DSI Don Solar	DSI Don Solar LLC	Renville, MN	2 GWh	Jun 2024	Dec 2025	Solar
Dressor Plains Solar, LLC	Dressor Plains Solar, LLC	Herrick, IL	225 GWh	Aug 2021	Jul 2026	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