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
Buffalo Ridge II LLC	Avangrid Power LLC	Elkton, SD	506 GWh	Nov 2010	Jul 2026	Wind
Buffalo Ridge I LLC	Avangrid Power LLC	Elkton, SD	97 GWh	Mar 2009	Jul 2026	Wind
Harvest	Harvest Windfarm, LLC	Elkton, MI	117 GWh	Dec 2007	Dec 2025	Wind
Echo Wind Park	DTE Electric Company	Elkton, MI	564 GWh	Dec 2013	Jul 2026	Wind
Harvest 2	Harvest II Windfarm, LLC	Elkton, MI	199 GWh	Oct 2012	Dec 2025	Wind
La Grange Solar Partners, LLC	Wisconsin Electric Power Co	Elkhorn, WI	405 MWh	Oct 2025	Dec 2025	Solar
LaFayette Solar WI, LLC	Wisconsin Electric Power Co	Elkhorn, WI	10 GWh	Nov 2024	Dec 2025	Solar
Elk River	Great River Energy	Elk River, MN	145 GWh	Dec 1950	Jul 2026	Natural Gas : 90.1% Distillate Fuel Oil : 9.9%
Elk Mound	Dairyland Power Coop	Elk Mound, WI	466 MWh	May 2001	Dec 2025	Natural Gas : 63.5% Distillate Fuel Oil : 36.5%
Elk Mound (PV)	OneEnergy, Inc.	Elk Mound, WI	653 MWh	Aug 2025	Dec 2025	Solar
Eldorado Solar I	Sol Systems	Eldorado, IL	317 GWh	Dec 2024	Jul 2026	Solar
Eldorado Solar II	Sol Systems	Eldorado, IL	202 GWh	Sep 2025	Jul 2026	Solar
Osage Dam	Union Electric Co - (MO)	Eldon, MO	499 GWh	Sep 1931	Dec 2025	Water
Union Power Station	Entergy Arkansas LLC	El Dorado, AR	13 TWh	Dec 2002	Jul 2026	Natural Gas
El Dorado AR	Entegrity Solar El Dorado SD, LLC	El Dorado, AR	4 GWh	Jan 2024	Dec 2025	Solar
Edwardsville Solar II	Edwardsville Solar II, LLC	Edwardsville, IL	4 GWh	Jun 2021	Dec 2025	Solar
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%
Camp Atterbury Microgrid Hybrid	Duke Energy Indiana, LLC	Edinburgh, IN	2 GWh	Oct 2019	Dec 2025	Solar
North Rock	Wisconsin Power & Light Co	Edgerton, WI	94 GWh	Sep 2022	Jul 2026	Solar
Hilltop Power	Hilltop Power, LLC	Edgerton, MN	857 MWh	Nov 2008	Dec 2025	Wind
Johnson Solar CSG	Geronimo Power	Edgerton, MN	9 GWh	Dec 2017	Dec 2025	Solar
Antlia Community Solar	Antlia Community Solar	Edgerton, MN	3 GWh	Aug 2017	Dec 2025	Solar
FPL Energy North Dakota Wind I/II	FPL Energy North Dakota Wind LLC	Edgeley, ND	121 GWh	Sep 2003	Dec 2025	Wind
Cedar Ridge	Wisconsin Power & Light Co	Eden, WI	185 GWh	Nov 2008	Dec 2025	Wind
SolarClub 30 (CSG)	Nautilus Solar Solutions	Eden Valley, MN	2 GWh	Dec 2023	Dec 2025	Solar
IL West Hallock Project1	IL West Hallock Project1, LLC	Edelstein, IL	5 GWh	Jul 2021	Dec 2025	Solar
Cargill Corn Milling Division	Cargill Inc North America Sweetners	Eddyville, IA	112 GWh	Nov 1952	Dec 2025	Natural Gas
Du Bay	Consolidated Water Power Co	Eau Pleine, WI	36 GWh	Dec 1941	Dec 2025	Water
Wheaton	Northern States Power Co - Minnesota	Eau Claire, WI	17 GWh	Dec 1972	May 2025	Natural Gas : 97.4% Distillate Fuel Oil : 2.6%
Dells	Northern States Power Co - Minnesota	Eau Claire, WI	37 GWh	Dec 1922	Dec 2025	Water
Blue Elk III Solar, LLC	Blue Elk III Solar, LLC	Eaton Rapids, MI	37 GWh	Nov 2023	Dec 2025	Solar
Milam Gas Recovery	WM Illinois Renewable Energy LLC	East St. Lois, IL	19 GWh	Mar 1991	Dec 2025	Natural Gas
Tazewell Gas Recovery	WM Illinois Renewable Energy LLC	East Peoria, IL	11 GWh	Jun 1989	Dec 2025	Landfill Gas
T B Simon Power Plant	Michigan State University	East Lansing, MI	274 GWh	Nov 1965	Jul 2026	Natural Gas
Spartan PV 1, LLC	NJR Clean Energy Ventures Corporation	East Lansing, MI	12 GWh	Nov 2017	Dec 2025	Solar
American Crystal Sugar East Grand Forks	American Crystal Sugar Co	East Grand Forks, MN	43 GWh	Aug 1990	Dec 2025	Subbituminous Coal
Dean	DTE Electric Company	East China, MI	705 GWh	May 2002	Dec 2025	Natural Gas
Blue Water Energy Center	DTE Electric Company	East China, MI	7 TWh	May 2022	Jul 2026	Natural Gas
St Clair	DTE Electric Company	East China Twp, MI	7 GWh	Jul 1953	Jul 2026	Distillate Fuel Oil : 51.3% Natural Gas : 48.7%
Expander Turbine	Cleveland Cliffs	East Chicago, IN	86 GWh	Apr 1981	Jul 2026	Blast Furnace Gas
Indiana Harbor West	Cleveland Cliffs	East Chicago, IN	208 GWh	Sep 1939	Dec 2025	Natural Gas
Indiana Harbor E 5 AC Station	Northlake Energy	East Chicago, IN	649 GWh	Apr 1996	Dec 2025	Blast Furnace Gas : 91.2% Natural Gas : 8.8%
Heat Recovery Coke Facility	Cokenergy Inc	East Chicago, IN	413 GWh	Mar 1998	Jul 2026	Waste Heat
East Chicago	Altus Power America Management, LLC	East Chicago, IN	3 GWh	Feb 2013	Nov 2025	Solar
Earlville	City of Earlville - (IA)	Earlville, IA	7 MWh	Jun 2001	Dec 2025	Distillate Fuel Oil
Benton County Wind Farm	Orion Energy Group LLC	Earl Park, IN	343 GWh	Apr 2008	Dec 2025	Wind
Koppelman Sun CSG	Geronimo Power	Eagle Lake, MN	9 GWh	Oct 2017	Dec 2025	Solar
FastSun 14 CSG	Altus Power America Management, LLC	Eagle Lake, MN	2 GWh	Nov 2019	Dec 2025	Solar
Thomson Reuters Campus Bldg A-D	Thomson Corp	Eagan, MN	43 MWh	Mar 1999	Jul 2026	Distillate Fuel Oil
West Group Data Center	CADC MSP01, LLC	Eagan, MN	37 MWh	Apr 2005	Jul 2026	Distillate Fuel Oil
Durant	City of Durant - (IA)	Durant, IA	29 MWh	Jun 1970	Dec 2025	Distillate Fuel Oil
Peoria Solar 3	Pivot Energy	Dunlap, IL	219 MWh	Nov 2025	Dec 2025	Solar
Delta Wind Farm (MS)	AES Clean Energy	Dundee, MS	531 GWh	Mar 2024	Jul 2026	Wind
Hydra Community Solar Garden, LLC (CSG)	Geronimo Power	Dundas, MN	2 GWh	Apr 2020	Dec 2025	Solar
Dam 2	Arkansas Electric Coop Corp	Dumas, AR	385 GWh	May 1999	Dec 2025	Water
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%
Fond Du Lac	ALLETE, Inc.	Duluth, MN	38 GWh	Dec 1923	Dec 2025	Water
Jean Duluth Solar	ALLETE, Inc.	Duluth, MN	2 GWh	Nov 2022	Dec 2025	Solar
West Dubuque Solar	Interstate Power and Light Co	Dubuque, IA	6 GWh	Aug 2017	Dec 2025	Solar
John Deere Dubuque Works	John Deere Dubuque Works	Dubuque, IA	52 MWh	May 1994	Jul 2026	Distillate Fuel Oil
Alliant SBD 9205 A Y McDonald	Industrial Energy Applications Inc	Dubuque, IA	17 MWh	Feb 1990	Dec 2025	Distillate Fuel Oil
Alliant SBD 9301 Prairie Farms	Industrial Energy Applications Inc	Dubuque, IA	69 MWh	Jun 1993	Dec 2025	Distillate Fuel Oil
Kimmel Road Solar, LLC	Birch Creek Power, LLC	Du Quoin, IL	114 GWh	Sep 2024	Jul 2026	Solar
American Crystal Sugar Drayton	American Crystal Sugar Co	Drayton, ND	43 GWh	Aug 1965	Dec 2025	Subbituminous Coal
Moraine CSG	Moraine Solar, LLC	Downs, IL	5 GWh	Aug 2021	Dec 2025	Solar
Claude Vandyke	Wolverine Power Supply Coop	Dorr, MI	8 GWh	Dec 1966	Dec 2025	Natural Gas
Beaver Dam Solar	Wisconsin Power & Light Co	Dodge, WI	103 GWh	Nov 2023	Jul 2026	Solar
Dodge Renewables 1	Dodge Renewables 1, LLC	Dodge Center, MN	2 GWh	Jul 2022	Dec 2025	Solar
G McNeilus Wind Farm Dodge Center	Justin McNeilus	Dodge Center, MN	91 GWh	Aug 2002	Dec 2025	Wind
Novel Schmoll Farms Solar CSG	REA Investments, LLC	Dodge Center, MN	1 GWh	Oct 2020	Dec 2025	Solar
Dodge Center Solar	Enel Green Power NA, Inc.	Dodge Center, MN	13 GWh	Nov 2016	Dec 2025	Solar
Syncarpha Dodge 1 CSG	Solar Provider Group MN I LLC	Dodge Center, MN	2 GWh	Apr 2019	Dec 2025	Solar
Dike City Power Plant	City of Dike - (IA)	Dike, IA	4 MWh	May 2005	Dec 2025	Distillate Fuel Oil
Pleasant Valley (MN)	Great River Energy	Dexter, MN	157 GWh	Apr 2001	Dec 2025	Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
Pleasant Valley Wind Farm	Northern States Power Co - Minnesota	Dexter, MN	464 GWh	Jul 2015	Dec 2025	Wind
Grand Meadow	Northern States Power Co - Minnesota	Dexter, MN	379 GWh	Nov 2008	Dec 2025	Wind
Wapsipinicon Wind Project	EDF Renewable Asset Holdings, Inc.	Dexter, MN	268 GWh	Jan 2009	Dec 2025	Wind
Cottonwood Energy Company LP	Cottonwood Energy Company LP	Deweyville, TX	5 TWh	Jun 2003	Jul 2026	Natural Gas
Delray	DTE Electric Company	Detroit, MI	145 GWh	Jan 2000	Dec 2025	Natural Gas
O'Shea Solar Farm	DTE Electric Company	Detroit, MI	3 GWh	Jun 2017	Dec 2025	Solar
Detroit Lakes	City of Detroit Lakes - (MN)	Detroit Lakes, MN	41 MWh	Jun 1968	Dec 2025	Distillate Fuel Oil
Detour	Cloverland Electric Co-op	Detour, MI	2 GWh	Sep 1973	Dec 2025	Distillate Fuel Oil
Wildflower Solar, LLC (MS)	Deriva Energy	DeSoto, MS	197 GWh	Apr 2024	Jul 2026	Solar
Archer Daniels Midland Des Moines	Archer Daniels Midland Co	Des Moines, IA	23 GWh	Apr 1988	Dec 2025	Natural Gas
Anderson Erickson	Anderson Erickson Dairy	Des Moines, IA	9 MWh	Mar 2000	Dec 2025	Distillate Fuel Oil
Des Moines Wastewater Reclamation Fac	Des Moines Metro WRF	Des Moines, IA	74 MWh	Jun 1991	Dec 2025	Natural Gas
River Hills	MidAmerican Energy Co	Des Moines, IA	2 GWh	Apr 1966	Dec 2025	Natural Gas
DeRidder Mill	Packaging Corporation of America	DeRidder, LA	405 GWh	Sep 1969	Dec 2025	Black Liquor : 44.6% Wood/Wood Waste Solids : 37.8% Natural Gas : 17.6%
DePue Holdings, LLC	DePue Holdings, LLC	DePue, IL	35 GWh	Jan 2023	Dec 2025	Solar
Shirley Wind	Deriva Energy	Denmark, WI	57 GWh	Oct 2010	Dec 2025	Wind
Tazewell County IL S1	SolAmerica Energy, LLC	Delavan, IL	386 MWh	Sep 2025	Dec 2025	Solar
Delano	Delano Municipal Utilities (MN)	Delano, MN	53 MWh	Sep 1946	Dec 2025	Distillate Fuel Oil
Prosperity Wind	Prosperity Wind, LLC	Deland, IL	947 GWh	Dec 2024	Jul 2026	Wind
Luther College Wind Project	Luther College Wind Energy Project LLC	Decorah, IA	2 GWh	Sep 2011	Dec 2025	Wind
Primient Decatur Plant Cogen	Primary Products Ingredients Americas, LLC	Decatur, IL	150 GWh	Dec 1988	Dec 2025	Natural Gas
Archer Daniels Midland Decatur	Archer Daniels Midland Co	Decatur, IL	917 GWh	Mar 1987	Jul 2026	Bituminous Coal : 64.8% Subbituminous Coal : 35.0%
Macon County IL S1	SolAmerica Energy, LLC	Decatur, IL	316 MWh	Sep 2025	Dec 2025	Solar
Dearborn Energy Center	DTE Electric Company	Dearborn, MI	237 GWh	Nov 2019	Dec 2025	Natural Gas
Dearborn Industrial Generation	Dearborn Industrial Gen Inc	Dearborn, MI	5 TWh	May 1999	Jul 2026	Natural Gas
Corewell Health Dearborn Campus	Corewell Health Dearborn Campus	Dearborn, MI	42 MWh	Dec 1978	Dec 2025	Distillate Fuel Oil

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