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
Alliant SBD 9205 A Y McDonald	Industrial Energy Applications Inc	Dubuque, IA	17 MWh	Feb 1990	Dec 2025	Distillate Fuel Oil
Lorin Industries	Lorin Industries	Muskegon, MI	4 GWh	Dec 1989	Dec 2025	Natural Gas
Covanta Hennepin Energy	Covanta Energy Co	Minneapolis, MN	214 GWh	Sep 1989	Jul 2026	Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8%
Kent County Waste to Energy Facility	Kent County - (MI)	Grand Rapids, MI	78 GWh	Sep 1989	Jul 2026	Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.6%
Marceline	City of Marceline - (MO)	Marceline, MO	20 MWh	Jul 1989	Dec 2025	Distillate Fuel Oil
Warner Lambert	University of Michigan NCampus Research	Ann Arbor, MI	24 GWh	Jul 1989	Jul 2026	Natural Gas
Tazewell Gas Recovery	WM Illinois Renewable Energy LLC	East Peoria, IL	11 GWh	Jun 1989	Dec 2025	Landfill Gas
Midland Cogeneration Venture	Midland Cogeneration Venture	Midland, MI	10 TWh	May 1989	Jul 2026	Natural Gas
Primient Decatur Plant Cogen	Primary Products Ingredients Americas, LLC	Decatur, IL	150 GWh	Dec 1988	Dec 2025	Natural Gas
French Landing Dam	Eagle Creek Renewable Energy, LLC	Belleville, MI	5 GWh	Nov 1988	Dec 2025	Water
National Energy of McBain	National Salvage & Service Corporation	McBain, MI	129 GWh	Nov 1988	Dec 2025	Wood/Wood Waste Solids : 90.5% Tire-derived Fuels : 9.4%
Alliant SBD 9201 Norplex	Industrial Energy Applications Inc	Postville, IA	30 MWh	Nov 1988	Jul 2026	Distillate Fuel Oil
Archer Daniels Midland Cedar Rapids	Archer Daniels Midland Co	Cedar Rapids, IA	1 TWh	Oct 1988	Jul 2026	Subbituminous Coal : 59.1% Natural Gas : 26.7% Bituminous Coal : 14.2%
Murray	City of North Little Rock - (AR)	North Little Rock, AR	116 GWh	Sep 1988	Dec 2025	Water
Port Arthur Texas Refinery	Total Petrochemicals USA Inc	Port Arthur, TX	248 GWh	Jul 1988	Dec 2025	Natural Gas : 71.8% Other Gas : 28.2%
Jim Falls	Northern States Power Co - Minnesota	Jim Falls, WI	105 GWh	Jun 1988	Dec 2025	Water
Upper Sterling	City of Rock Falls - (IL)	Rock Falls, IL	5 GWh	May 1988	May 2025	Water
St. Cloud Hydro	St. Cloud Hydroelectric Generation Facility	St Cloud, MN	46 GWh	May 1988	Dec 2025	Water
Archer Daniels Midland Des Moines	Archer Daniels Midland Co	Des Moines, IA	23 GWh	Apr 1988	Dec 2025	Natural Gas
Combined Locks	City of Kaukauna (WI)	Combined Locks, WI	43 GWh	Jan 1988	Dec 2025	Water
Hoist	Upper Peninsula Power Company	Negaunee, MI	14 GWh	Jan 1988	Dec 2025	Water
McClure Dam	Upper Peninsula Power Company	Marquette, MI	26 GWh	Jan 1988	Dec 2025	Water
Cataract (MI)	Cataract Hydro, LLC	Gwinn, MI	5 GWh	Jan 1988	Dec 2025	Water
Panora	City of Panora - (IA)	Panora, IA	8 MWh	Dec 1987	Dec 2025	Distillate Fuel Oil
Archer Daniels Midland Peoria	BioUrja Renewables LLC	Peoria, IL	73 GWh	Dec 1987	Dec 2025	Natural Gas
Riverview Energy Systems	Riverview Energy Systems	Riverview, MI	36 MWh	Dec 1987	Dec 2025	Landfill Gas
Sibley No Two	City of Sibley - (IA)	Sibley, IA	37 MWh	Nov 1987	Dec 2025	Natural Gas : 90.9% Distillate Fuel Oil : 9.1%
Central Michigan University	Central Michigan University	Mt. Pleasant, MI	28 GWh	Nov 1987	Jul 2026	Natural Gas
Clinton Power Station	Constellation Nuclear	Clinton, IL	8 TWh	Oct 1987	Jul 2026	Nuclear
Archer Daniels Midland Mankato	Archer Daniels Midland Co	Mankato, MN	28 GWh	Sep 1987	Dec 2025	Natural Gas
East. Michigan Univ. Heating Plant	East. Michigan Univ. Heating Plant	Ypsilanti, MI	33 GWh	Sep 1987	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%
Olmsted Waste Energy	Olmsted County Public Works - (MN)	Rochester, MN	47 GWh	Mar 1987	Dec 2025	Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.8% Natural Gas : 0.5%
Chickadee G-3	Chickadee 3-G Purchaser LLC	Beaumont, TX	216 GWh	Feb 1987	Jul 2026	Natural Gas : 98.4% Waste/Other Oil : 1.6%
LAC Courte Oreilles Hydroelect	Zero6 Energy Hydro	Winter, WI	7 GWh	Nov 1986	Dec 2025	Water
Cascade Dam (MI)	Eagle Creek Renewable Energy, LLC	Grand Rapids, MI	4 GWh	Nov 1986	Dec 2025	Water
PPG Plant C Caustic	Westlake 2 US LLC	Lake Charles, LA	14 GWh	Sep 1986	Dec 2025	Natural Gas
Alliant SBD 8602 Marion Sub	Industrial Energy Applications Inc	Marion, IA	30 MWh	Jul 1986	Dec 2025	Distillate Fuel Oil
River Bend	Entergy Louisiana LLC	St. Francisville, LA	8 TWh	May 1986	Jul 2026	Nuclear
Metro Gas Recovery	WM Renewable Energy LLC	Franklin, WI	41 GWh	Nov 1985	Dec 2025	Landfill Gas
Omega Hills Gas Recovery	WM Renewable Energy LLC	Germantown, WI	78 GWh	Nov 1985	Jul 2026	Landfill Gas
Billerud Quinnesec Mill	Billerud Quinnesec Mill	Norway, MI	318 GWh	Sep 1985	Dec 2025	Black Liquor : 64.2% Wood/Wood Waste Solids : 32.7% Natural Gas : 3.1%
Waterford 3	Entergy Louisiana LLC	Killona, LA	10 TWh	Aug 1985	Jul 2026	Nuclear
Grand Gulf	System Energy Resources, Inc	Port Gibson, MS	10 TWh	Jun 1985	Jul 2026	Nuclear
Geismar	BASF Corporation	Geismar, LA	626 GWh	Jun 1985	Dec 2025	Natural Gas : 85.5% Other Gas : 14.5%
Formosa Plastics	Formosa Plastics Corp	Baton Rouge, LA	416 GWh	Apr 1985	Dec 2025	Natural Gas
Sartell Dam	Eagle Creek Renewable Energy, LLC	Sartell, MN	30 GWh	Feb 1985	Dec 2025	Water
Lakefield Utilities	City of Lakefield - (MN)	Lakefield, MN	11 MWh	Jan 1985	Dec 2025	Distillate Fuel Oil
Callaway	Union Electric Co - (MO)	Fulton, MO	10 TWh	Nov 1984	Jul 2026	Nuclear
Sagamore Plant Cogeneration	Tate & Lyle Ingredients Americas Inc	Lafayette, IN	23 GWh	Sep 1984	Jul 2026	Natural Gas
Rochester Hydro	Rochester Public Utilities	Mazeppa, MN	22 GWh	Aug 1984	Dec 2025	Water
D B Wilson	Big Rivers Electric Corp	Centertown, KY	1 TWh	Aug 1984	Jul 2026	Bituminous Coal : 98.9% Distillate Fuel Oil : 1.1%
CF Industries Yazoo City Complex	CF Industries Nitrogen LLC	Yazoo City, MS	88 GWh	Jun 1984	Jul 2026	Natural Gas
Agrilectric Power Partners Ltd	Agrilectric Power Partners Ltd	Lake Charles, LA	84 GWh	Jun 1984	Dec 2025	Agricultural By-Products : 99.5%
Ada Dam	Eagle Creek Renewable Energy, LLC	Ada, MI	2 GWh	Feb 1984	Dec 2025	Water
Caterpillar	Caterpillar Inc	Lafayette, IN	21 GWh	Nov 1983	Jul 2026	Natural Gas
Louisa	MidAmerican Energy Co	Muscatine, IA	4 TWh	Sep 1983	Jul 2026	Subbituminous Coal : 99.4% Natural Gas : 0.6%
Independence Steam Electric Station	Entergy Arkansas LLC	Newark, AR	7 TWh	Dec 1982	Jul 2026	Subbituminous Coal : 99.9%
University of Northern Iowa	University of Northern Iowa	Cedar Falls, IA	25 GWh	Oct 1982	Jul 2026	Natural Gas : 71.8% Petroleum Coke : 19.8% Bituminous Coal : 8.2%
Owatonna	City of Owatonna - (MN)	Owatonna, MN	1 GWh	Mar 1982	Dec 2025	Natural Gas
Merom	Hallador Power Company, LLC	Sullivan, IN	4 TWh	Jan 1982	Jun 2026	Bituminous Coal : 99.6%
Belle River	DTE Electric Company	China Twp, MI	4 TWh	Oct 1981	Jul 2026	Subbituminous Coal : 67.9% Natural Gas : 31.7%
Mansfield Mill	IPC-Mansfield Mill	Mansfield, LA	835 GWh	Sep 1981	Jul 2026	Natural Gas : 52.9% Black Liquor : 33.9% Wood/Wood Waste Solids : 12.0% Tire-derived Fuels : 1.2%
Big Cajun 2	Louisiana Generating LLC	New Roads, LA	1 TWh	Jun 1981	Jul 2026	Subbituminous Coal : 74.8% Natural Gas : 25.2%
Ottumwa	Interstate Power and Light Co	Ottumwa, IA	4 TWh	Apr 1981	Jul 2026	Subbituminous Coal : 99.6%
Coyote	Otter Tail Power Co	Beulah, ND	2 TWh	Apr 1981	Jul 2026	Lignite Coal : 99.8%
Expander Turbine	Cleveland Cliffs	East Chicago, IN	86 GWh	Apr 1981	Jul 2026	Blast Furnace Gas
White Bluff	Entergy Arkansas LLC	Redfield, AR	3 TWh	Jul 1980	Jul 2026	Subbituminous Coal : 99.5% Distillate Fuel Oil : 0.5%
Water Street Station	City of Bay City - (MI)	Bay City, MI	1 GWh	Jul 1980	Dec 2025	Natural Gas : 90.5% Distillate Fuel Oil : 9.5%
Windom	City of Windom (MN)	Windom, MN	32 MWh	May 1980	Dec 2025	Distillate Fuel Oil
R D Green	Big Rivers Electric Corp	Robards, KY	491 GWh	Nov 1979	Jul 2026	Natural Gas
John P Madgett	Dairyland Power Coop	Alma, WI	1 TWh	Oct 1979	Jul 2026	Subbituminous Coal : 99.5% Distillate Fuel Oil : 0.5%
MSC Sebewaing	Michigan Sugar Company	Sebewaing, MI	509 MWh	Sep 1979	Mar 2026	Bituminous Coal : 67.9% Natural Gas : 32.1%
Greenwood (MI)	DTE Electric Company	Avoca, MI	2 TWh	Jun 1979	Jul 2026	Natural Gas
George Neal South	MidAmerican Energy Co	Salix, IA	2 TWh	Jun 1979	Jul 2026	Subbituminous Coal : 99.0% Distillate Fuel Oil : 1.0%
Glendive GT	Montana-Dakota Utilities Co	Glendive, MT	16 GWh	May 1979	Dec 2025	Natural Gas : 98.8% Distillate Fuel Oil : 1.2%
Coal Creek	Rainbow Energy Center	Underwood, ND	8 TWh	May 1979	Jul 2026	Refined Coal : 99.9%
Gaylord Container Bogalusa	Temple-Inland Corp	Bogalusa, LA	432 GWh	May 1979	Jul 2026	Black Liquor : 56.9% Wood/Wood Waste Solids : 36.6% Natural Gas : 6.5%
A B Brown	Southern Indiana Gas & Elec Co	Mount Vernon, IN	753 GWh	Feb 1979	Jul 2026	Natural Gas
Corewell Health Dearborn Campus	Corewell Health Dearborn Campus	Dearborn, MI	42 MWh	Dec 1978	Dec 2025	Distillate Fuel Oil
Mexico	Union Electric Co - (MO)	Mexico, MO	2 GWh	Aug 1978	Dec 2025	Distillate Fuel Oil
Moberly	Union Electric Co - (MO)	Moberly, MO	257 MWh	Jul 1978	Dec 2025	Distillate Fuel Oil
Moreau	Union Electric Co - (MO)	Moreau, MO	2 GWh	Jul 1978	Dec 2025	Distillate Fuel Oil
Germantown	Wisconsin Electric Power Co	Germantown, WI	33 GWh	Jun 1978	Dec 2025	Natural Gas : 83.1% Distillate Fuel Oil : 16.9%
Marshalltown	Interstate Power and Light Co	Marshalltown, IA	20 GWh	May 1978	Dec 2025	Natural Gas
Lake Preston	Otter Tail Power Co	Lake Preston, SD	135 MWh	May 1978	Dec 2025	Distillate Fuel Oil
St Bonifacius	Great River Energy	St. Bonifacius, MN	3 GWh	May 1978	Sep 2025	Distillate Fuel Oil
Cambridge CT Hybrid	Great River Energy	Cambridge, MN	101 GWh	Apr 1978	Dec 2025	Natural Gas : 91.7% Distillate Fuel Oil : 8.3%
Maple Lake	Great River Energy	Maple Lake, MN	321 MWh	Apr 1978	Dec 2025	Distillate Fuel Oil
R D Morrow	Cooperative Energy	Purvis, MS	3 TWh	Mar 1978	Jul 2026	Natural Gas
Rock Lake CT	Great River Energy	Pine City, MN	449 MWh	Mar 1978	Dec 2025	Distillate Fuel Oil
Newton	Illinois Power Generating Co	Newton, IL	3 TWh	Oct 1977	Jul 2026	Subbituminous Coal : 99.8%
Clearwater Paper APP CB	Clearwater Paper Corporation	Arkansas City, AR	123 GWh	Oct 1977	Dec 2025	Black Liquor : 58.1% Natural Gas : 41.5%
PPG Powerhouse C	Westlake 2 US LLC	Lake Charles, LA	1 TWh	Jul 1977	Jul 2026	Natural Gas : 99.9%
R M Schahfer	Northern Indiana Pub Serv Co	Wheatfield, IN	773 GWh	Nov 1976	Jul 2026	Bituminous Coal : 97.4% Natural Gas : 2.6%
Southern Minnesota Beet Sugar	Southern Minnesota Beet Sugar	Renville, MN	28 GWh	Aug 1976	May 2026	Subbituminous Coal : 70.1% Natural Gas : 29.2% Residual Fuel Oil : 0.6%
Cornell	Northern States Power Co - Minnesota	Chippewa Falls, WI	70 GWh	Jun 1976	Dec 2025	Water
Jamestown	Otter Tail Power Co	Jamestown, ND	1 GWh	Apr 1976	Dec 2025	Distillate Fuel Oil
Sherburne County	Northern States Power Co - Minnesota	Becker, MN	6 TWh	Mar 1976	Jul 2026	Subbituminous Coal : 99.8%
Waterford 1 & 2	Entergy Louisiana LLC	Killona, LA	339 GWh	Jun 1975	Dec 2025	Natural Gas : 98.8% Distillate Fuel Oil : 1.2%

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