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	Nov 2025
Annual Generation	655.1 TWh
Power Plants	2,831
Utilities	1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 35.7% Coal \| 29% Wind \| 14.9% Nuclear \| 13.9% Solar \| 4.5% Water \| 1.5% Other Fuel \| 0.6%

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Daily Net Generation for Midcontinent Independent System Operator, Inc. for the past 3 Years

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
South Strawberry	City of Strawberry Point	Strawberry Point, IA	13 MWh	Dec 2001	Dec 2024	Distillate Fuel Oil
Gaylord - Wolverine	Wolverine Power Supply Coop	Gaylord, MI	23 GWh	May 2001	Dec 2024	Natural Gas
Industrial Park	City of Rock Falls - (IL)	Rock Falls, IL	615 MWh	Jun 2001	Dec 2024	Distillate Fuel Oil
Solway CT	Otter Tail Power Co	Solway, MN	125 GWh	Apr 2003	Dec 2024	Natural Gas
Lawrence County Station	Hoosier Energy R E C, Inc	Mitchell, IN	109 GWh	Apr 2005	Dec 2024	Natural Gas
Peno Creek	Union Electric Co - (MO)	Bowling Green, MO	118 GWh	Apr 2002	Dec 2024	Natural Gas : 97.4% Distillate Fuel Oil : 2.6%
Pella Peaking	City of Pella - (IA)	Pella, IA	227 MWh	May 2003	Dec 2024	Distillate Fuel Oil
Sumpter	Wolverine Power Supply Coop	Belleville, MI	190 GWh	Jun 2002	Dec 2024	Natural Gas
South Generation	Redwood Falls Public Util Comm	Redwood Falls, MN	169 MWh	Feb 2003	Dec 2024	Distillate Fuel Oil
Kalkaska CT #1	Michigan Public Power Agency	Kalkaska, MI	48 GWh	Nov 2002	Dec 2024	Natural Gas
Greater Des Moines	MidAmerican Energy Co	Pleasant Hill, IA	2 TWh	Apr 2003	Dec 2024	Natural Gas
Silver Creek	Cooperative Energy	Prentiss, MS	428 GWh	May 2003	Dec 2024	Natural Gas
Sylvarena	Cooperative Energy	Raleigh, MS	294 GWh	Jun 2003	Dec 2024	Natural Gas
Altamont	City of Altamont - (IL)	Altamont, IL	56 MWh	Dec 2001	Dec 2024	Distillate Fuel Oil
West Campus Cogeneration Facility	Madison Gas & Electric Co	Madison, WI	282 GWh	Mar 2005	Dec 2024	Natural Gas : 99.8%
Blue Lake	Northern States Power Co - Minnesota	Shakopee, MN	318 GWh	Feb 1974	Dec 2024	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Sycamore (IA)	MidAmerican Energy Co	Johnston, IA	10 GWh	Jul 1974	Dec 2024	Natural Gas
Waterford 1 & 2	Entergy Louisiana LLC	Killona, LA	319 GWh	Jun 1975	Dec 2024	Natural Gas : 99.5% Distillate Fuel Oil : 0.5%
Halstad	City of Halstad - (MN)	Halstad, MN	11 MWh	Aug 2007	Dec 2024	Distillate Fuel Oil
Tipton	City of Tipton - (IA)	Tipton, IA	69 MWh	Oct 1955	Dec 2024	Distillate Fuel Oil
Hopkinton	City of Hopkinton - (IA)	Hopkinton, IA	11 MWh	Aug 1973	Dec 2024	Distillate Fuel Oil
Nine Springs	Madison Gas & Electric Co	Madison, WI	82 MWh	Nov 1964	Dec 2024	Natural Gas
Biron Mill	ND Paper, Inc.	Wisconsin Rapids, WI	96 GWh	Aug 1947	Dec 2024	Natural Gas : 79.6% Subbituminous Coal : 20.4%
ArcelorMittal Burns Harbor	Cleveland-Cliffs Burns Harbor LLC	Burns Harbor, IN	922 GWh	Dec 1968	Dec 2024	Blast Furnace Gas : 42.6% Other Gas : 32.9% Natural Gas : 24.4%
Louisiana Sugar Refining	Louisiana Sugar Refining LLC	Gramercy, LA	20 GWh	Aug 1930	Dec 2024	Natural Gas
Geismar	BASF Corporation	Geismar, LA	514 GWh	Jun 1985	Dec 2024	Natural Gas : 63.1% Other Gas : 36.9%
Indiana Harbor West	Cleveland Cliffs	East Chicago, IN	245 GWh	Sep 1939	Dec 2024	Natural Gas
LAC Courte Oreilles Hydroelect	Renewable World Energies LLC	Winter, WI	8 GWh	Nov 1986	Dec 2024	Water
DeRidder Mill	Packaging Corporation of America	DeRidder, LA	402 GWh	Sep 1969	Dec 2024	Black Liquor : 46.7% Wood/Wood Waste Solids : 34.3% Natural Gas : 18.9%
Dayton Hydro	Eagle Creek Renewable Energy, LLC	Ottawa, IL	16 GWh	Dec 1924	Dec 2024	Water
Grand River	Energy Developments, Inc d/b/a EDL	Grand Ledge, MI	7 GWh	Mar 1991	Dec 2024	Landfill Gas
Port Arthur Texas Refinery	Total Petrochemicals USA Inc	Port Arthur, TX	226 GWh	Jul 1988	Dec 2024	Natural Gas : 75.0% Other Gas : 25.0%
Agrilectric Power Partners Ltd	Agrilectric Power Partners Ltd	Lake Charles, LA	79 GWh	Jun 1984	Dec 2024	Agricultural By-Products : 98.9% Natural Gas : 1.1%
Georgia-Pacific Monticello Paper	Georgia-Pacific Monticello LLC	Monticello, MS	550 GWh	May 1968	Dec 2024	Black Liquor : 47.2% Natural Gas : 40.2% Wood/Wood Waste Solids : 12.6%
Rapids Energy Center	ALLETE, Inc.	Grand Rapids, MN	40 GWh	Dec 1942	Dec 2024	Natural Gas : 77.3% Water : 22.7%
ExxonMobil Baton Rouge Turbine Generator	Exxon Mobil Corp	Baton Rouge, LA	654 GWh	Apr 1990	Dec 2024	Natural Gas
St Francisville Mill	Hood Container of Louisiana, LLC	St. Francisville, LA	110 GWh	Feb 1966	Dec 2024	Black Liquor : 58.6% Natural Gas : 41.4%
Ada Cogeneration LP	Ada Cogeneration LLC	Ada, MI	158 GWh	Sep 1990	Dec 2024	Natural Gas
Grayling Generating Station	NorthStar Clean Energy	Grayling, MI	165 GWh	Apr 1992	Dec 2024	Wood/Wood Waste Solids : 99.8%
Cargill Corn Milling Division	Cargill Inc North America Sweetners	Eddyville, IA	110 GWh	Nov 1952	Dec 2024	Natural Gas
Archer Daniels Midland Des Moines	Archer Daniels Midland Co	Des Moines, IA	2 GWh	Apr 1988	Dec 2024	Natural Gas
Archer Daniels Midland Mankato	Archer Daniels Midland Co	Mankato, MN	22 GWh	Sep 1987	Dec 2024	Natural Gas
Archer Daniels Midland Peoria	BioUrja Renewables LLC	Peoria, IL	79 GWh	Dec 1987	Dec 2024	Natural Gas
Primient Decatur Plant Cogen	Primary Products Ingredients Americas, LLC	Decatur, IL	254 GWh	Dec 1988	Dec 2024	Natural Gas
Plant 31 Paper Mill	Graphic Packaging International	West Monroe, LA	523 GWh	Dec 1963	Dec 2024	Natural Gas : 63.2% Black Liquor : 25.1% Wood/Wood Waste Solids : 11.7%
WestRock (TX)	WestRock (TX)	Evadale, TX	415 GWh	May 1954	Dec 2024	Black Liquor : 58.9% Wood/Wood Waste Solids : 22.0% Natural Gas : 19.1%
Billerud Quinnesec Mill	Billerud Quinnesec Mill	Norway, MI	294 GWh	Sep 1985	Dec 2024	Black Liquor : 67.8% Wood/Wood Waste Solids : 30.2% Natural Gas : 1.9%
Sartell Dam	Eagle Creek Renewable Energy, LLC	Sartell, MN	29 GWh	Feb 1985	Dec 2024	Water
Port Allen (LA)	Placid Refining Co LLC	Port Allen, LA	43 GWh	Apr 1990	Dec 2024	Natural Gas
Park Mill	Eagle Creek Renewable Energy, LLC	Marinette, WI	9 GWh	Dec 1919	Dec 2024	Water
Olmsted Waste Energy	Olmsted County Public Works	Rochester, MN	47 GWh	Mar 1987	Dec 2024	Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.5%
Ada Dam	Eagle Creek Renewable Energy, LLC	Ada, MI	2 GWh	Feb 1984	Dec 2024	Water
Cascade Dam (MI)	Eagle Creek Renewable Energy, LLC	Grand Rapids, MI	3 GWh	Nov 1986	Dec 2024	Water
French Landing Dam	Eagle Creek Renewable Energy, LLC	Belleville, MI	8 GWh	Nov 1988	Dec 2024	Water
Oconto Falls Lower	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	7 GWh	Dec 1970	Dec 2024	Water
Packaging of America Tomahawk Mill	PCA-Tomahawk Mill	Tomahawk, WI	111 GWh	Dec 1919	Dec 2024	Wood/Wood Waste Solids : 35.7% Natural Gas : 34.2% Black Liquor : 18.1% Water : 11.7%
PPG Plant C Caustic	Westlake 2 US LLC	Lake Charles, LA	14 GWh	Sep 1986	Dec 2024	Natural Gas
Milam Gas Recovery	WM Illinois Renewable Energy LLC	East St. Lois, IL	19 GWh	Mar 1991	Dec 2024	Natural Gas
Metro Gas Recovery	WM Renewable Energy LLC	Franklin, WI	37 GWh	Nov 1985	Dec 2024	Landfill Gas
Clearwater Paper APP CB	Clearwater Paper Corporation	Arkansas City, AR	126 GWh	Oct 1977	Dec 2024	Black Liquor : 61.7% Natural Gas : 38.1%
Tazewell Gas Recovery	WM Illinois Renewable Energy LLC	East Peoria, IL	13 GWh	Jun 1989	Dec 2024	Landfill Gas
National Energy of McBain	National Salvage & Service Corporation	McBain, MI	122 GWh	Nov 1988	Dec 2024	Wood/Wood Waste Solids : 88.5% Tire-derived Fuels : 11.2%
Westrock Hodge (LA)	Westrock (LA)	Hodge, LA	466 GWh	Nov 1952	Dec 2024	Black Liquor : 50.4% Natural Gas : 35.5% Wood/Wood Waste Solids : 14.2%
Atlantic Alumina, Gramercy Operations	Atalco Gramercy LLC	Gramercy, LA	208 GWh	Jan 1958	Dec 2024	Natural Gas
Des Moines Wastewater Reclamation Fac	Des Moines Metro WRF	Des Moines, IA	71 MWh	Jun 1991	Dec 2024	Natural Gas
Winnebago County Landfill Gas	Winnebago County	Oshkosh, WI	9 GWh	Jan 2000	Dec 2024	Landfill Gas
LaO Energy Systems	Dow Chemical Co	Plaquemine, LA	1 TWh	May 1958	Dec 2024	Natural Gas : 84.1% Other Gas : 15.9%
Whiting Refinery	BP PLC	Whiting, IN	360 GWh	Dec 1947	Dec 2024	Other Gas : 81.0% Natural Gas : 19.0%
CITGO Refinery Powerhouse	CITGO Petroleum Corp	Sulphur, LA	226 GWh	Dec 1941	Dec 2024	Other Gas
Riverview Energy Systems	Riverview Energy Systems	Riverview, MI	1 GWh	Dec 1987	Dec 2024	Landfill Gas
American Crystal Sugar Hillsboro	American Crystal Sugar Co	Hillsboro, ND	87 GWh	Aug 1990	Dec 2024	Subbituminous Coal
American Crystal Sugar Crookston	American Crystal Sugar Co	Crookston, MN	43 GWh	Aug 1954	Dec 2024	Subbituminous Coal
American Crystal Sugar Drayton	American Crystal Sugar Co	Drayton, ND	42 GWh	Aug 1965	Dec 2024	Subbituminous Coal
American Crystal Sugar East Grand Forks	American Crystal Sugar Co	East Grand Forks, MN	43 GWh	Aug 1990	Dec 2024	Subbituminous Coal
Louisiana Tech University Power Plant	Louisiana Tech University	Ruston, LA	42 GWh	Jun 2004	Dec 2024	Natural Gas
Hastings City Hydroelectric	Hastings Lock & Dam	Hastings, MN	13 GWh	Dec 1991	Dec 2024	Water
Norway Point Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	15 GWh	Aug 1990	Dec 2024	Water
Four Mile Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	9 GWh	Aug 1990	Dec 2024	Water
Ninth Street Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	7 GWh	Aug 1990	Dec 2024	Water
Cadillac Renewable Energy	Cadillac Renewable Energy LLC	Cadillac, MI	136 GWh	Jul 1993	Dec 2024	Wood/Wood Waste Solids
Formosa Plastics	Formosa Plastics Corp	Baton Rouge, LA	402 GWh	Apr 1985	Dec 2024	Natural Gas
Sumpter Energy Associates	NextEra Renewable Fuels, LLC	Belleville, MI	63 GWh	Jun 1992	Dec 2024	Landfill Gas
Venice Resources Gas Recovery	WM Renewable Energy LLC	Lennon, MI	11 GWh	Feb 1992	Dec 2024	Landfill Gas
JCO Oxides Olefins Plant	Indorama Ventures	Port Neeches, TX	614 GWh	Aug 1992	Dec 2024	Natural Gas
Pheasant Run Landfill Gas Recovery	WM Renewable Energy LLC	Bristol, WI	48 GWh	Jan 1992	Dec 2024	Landfill Gas
Sidney A Murray Jr Hydroelectric	First National Bank-Commerce	Vidalia, LA	885 GWh	Apr 1990	Dec 2024	Water
Alliant SBD 9205 A Y McDonald	Industrial Energy Applications Inc	Dubuque, IA	9 MWh	Feb 1990	Dec 2024	Distillate Fuel Oil
Alliant SBD 8602 Marion Sub	Industrial Energy Applications Inc	Marion, IA	19 MWh	Jul 1986	Dec 2024	Distillate Fuel Oil
Alliant SBD 9106 Rockwell CR	Industrial Energy Applications Inc	Cedar Rapids, IA	253 MWh	May 1992	Dec 2024	Distillate Fuel Oil
Alliant SBD 9206 Donaldson	Industrial Energy Applications Inc	Cresco, IA	6 MWh	Oct 1995	Dec 2024	Distillate Fuel Oil
Alliant SBD 9301 Prairie Farms	Industrial Energy Applications Inc	Dubuque, IA	86 MWh	Jun 1993	Dec 2024	Distillate Fuel Oil
Genesee Power Station LP	NorthStar Clean Energy	Flint, MI	96 GWh	Nov 1995	Dec 2024	Wood/Wood Waste Solids : 99.9%
Coopersville	Energy Developments, Inc d/b/a EDL	Coopersville, MI	37 GWh	May 1994	Dec 2024	Landfill Gas
Grand Blanc Generating Station	Energy Developments, Inc d/b/a EDL	Grand Blanc, MI	52 GWh	Jun 1994	Dec 2024	Landfill Gas
University of Illinois Abbott Power Plt	University of Illinois	Champaign, IL	211 GWh	Oct 1940	Dec 2024	Natural Gas : 97.4% Bituminous Coal : 2.6%
Storm Lake 1	ALLETE Clean Energy	Alta, IA	85 GWh	Apr 1999	Dec 2024	Wind
Evonik Industries AG	Evonik Degussa Corporation	Lafayette, IN	7 MWh	Apr 1992	Dec 2024	Distillate Fuel Oil
Kimberly Mill	City of Kaukauna	Appleton, WI	14 GWh	Dec 1925	Dec 2024	Water
Adrian Energy Associates LLC	NextEra Renewable Fuels, LLC	Adrian, MI	8 GWh	Nov 1994	Dec 2024	Landfill Gas
Brent Run Generating Station	Energy Developments, Inc d/b/a EDL	Montrose, MI	51 GWh	Dec 1997	Dec 2024	Landfill Gas

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	696.7 GWh	4
#27	Associated Electric Cooperative, Inc.	23.6 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	34.4 TWh	25
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	299.9 TWh	835
#49	Southwestern Power Administration	5.2 TWh	34
#9	Tennessee Valley Authority	161.6 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	655.1 TWh	2,831
#4	Electric Reliability Council of Texas, Inc.	485.0 TWh	1,313
#5	Southwest Power Pool	299.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	188.0 TWh	2,075
#9	Tennessee Valley Authority	161.6 TWh	204
#10	Florida Power & Light Co.	148.9 TWh	187
#12	New York Independent System Operator	131.6 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565