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
Milam Gas Recovery	WM Illinois Renewable Energy LLC	East St. Lois, IL	19 GWh	Mar 1991	Dec 2025	Natural Gas
Metro Gas Recovery	WM Renewable Energy LLC	Franklin, WI	41 GWh	Nov 1985	Dec 2025	Landfill Gas
Chalmette Refining LLC	Chalmette Refining LLC	Chalmette, LA	6 GWh	Feb 1990	Dec 2025	Other Fuel
Brainerd Public Utilities	Brainerd Public Utilities	Brainerd, MN	13 GWh	Dec 1916	Dec 2025	Water
Clearwater Paper APP CB	Clearwater Paper Corporation	Arkansas City, AR	123 GWh	Oct 1977	Dec 2025	Black Liquor : 58.1% Natural Gas : 41.5%
Tazewell Gas Recovery	WM Illinois Renewable Energy LLC	East Peoria, IL	11 GWh	Jun 1989	Dec 2025	Landfill Gas
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%
Westrock Hodge (LA)	Westrock (LA)	Hodge, LA	489 GWh	Nov 1952	Dec 2025	Black Liquor : 51.3% Natural Gas : 35.6% Wood/Wood Waste Solids : 13.1%
Atlantic Alumina, Gramercy Operations	Atalco Gramercy LLC	Gramercy, LA	181 GWh	Jan 1958	Dec 2025	Natural Gas
Des Moines Wastewater Reclamation Fac	Des Moines Metro WRF	Des Moines, IA	74 MWh	Jun 1991	Dec 2025	Natural Gas
Winnebago County Landfill Gas	Winnebago County - (WI)	Oshkosh, WI	3 GWh	Jan 2000	Dec 2025	Landfill Gas
Whiting Refinery	BP PLC	Whiting, IN	328 GWh	Dec 1947	Dec 2025	Other Gas : 87.1% Natural Gas : 12.9%
CITGO Refinery Powerhouse	CITGO Petroleum Corp	Sulphur, LA	224 GWh	Dec 1941	Dec 2025	Other Gas
Riverview Energy Systems	Riverview Energy Systems	Riverview, MI	36 MWh	Dec 1987	Dec 2025	Landfill Gas
American Crystal Sugar Hillsboro	American Crystal Sugar Co	Hillsboro, ND	85 GWh	Aug 1990	Dec 2025	Subbituminous Coal
American Crystal Sugar Crookston	American Crystal Sugar Co	Crookston, MN	41 GWh	Aug 1954	Dec 2025	Subbituminous Coal
American Crystal Sugar Drayton	American Crystal Sugar Co	Drayton, ND	43 GWh	Aug 1965	Dec 2025	Subbituminous Coal
American Crystal Sugar East Grand Forks	American Crystal Sugar Co	East Grand Forks, MN	43 GWh	Aug 1990	Dec 2025	Subbituminous Coal
Louisiana Tech University Power Plant	Louisiana Tech University	Ruston, LA	49 GWh	Jun 2004	Dec 2025	Natural Gas
Hastings City Hydroelectric	Hastings Lock & Dam	Hastings, MN	14 GWh	Dec 1991	Dec 2025	Water
Norway Point Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	13 GWh	Aug 1990	Dec 2025	Water
Four Mile Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	8 GWh	Aug 1990	Dec 2025	Water
Ninth Street Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	6 GWh	Aug 1990	Dec 2025	Water
Cadillac Renewable Energy	Cadillac Renewable Energy LLC	Cadillac, MI	169 GWh	Jul 1993	Dec 2025	Wood/Wood Waste Solids
Formosa Plastics	Formosa Plastics Corp	Baton Rouge, LA	416 GWh	Apr 1985	Dec 2025	Natural Gas
Sumpter Energy Associates	NextEra Renewable Fuels, LLC	Belleville, MI	52 GWh	Jun 1992	Dec 2025	Landfill Gas
Venice Resources Gas Recovery	WM Renewable Energy LLC	Lennon, MI	13 GWh	Feb 1992	Dec 2025	Landfill Gas
JCO Oxides Olefins Plant	Indorama Ventures	Port Neeches, TX	569 GWh	Aug 1992	Dec 2025	Natural Gas
Pheasant Run Landfill Gas Recovery	WM Renewable Energy LLC	Bristol, WI	47 GWh	Jan 1992	Dec 2025	Landfill Gas
Sidney A Murray Jr Hydroelectric	First National Bank-Commerce	Vidalia, LA	989 GWh	Apr 1990	Dec 2025	Water
Alliant SBD 9205 A Y McDonald	Industrial Energy Applications Inc	Dubuque, IA	17 MWh	Feb 1990	Dec 2025	Distillate Fuel Oil
Alliant SBD 8602 Marion Sub	Industrial Energy Applications Inc	Marion, IA	30 MWh	Jul 1986	Dec 2025	Distillate Fuel Oil
Alliant SBD 9106 Rockwell CR	Industrial Energy Applications Inc	Cedar Rapids, IA	185 MWh	May 1992	Dec 2025	Distillate Fuel Oil
Alliant SBD 9206 Donaldson	Industrial Energy Applications Inc	Cresco, IA	7 MWh	Oct 1995	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
Genesee Power Station LP	NorthStar Clean Energy	Flint, MI	116 GWh	Nov 1995	Dec 2025	Wood/Wood Waste Solids : 99.9%
Coopersville	Energy Developments, Inc d/b/a EDL	Coopersville, MI	38 GWh	May 1994	Dec 2025	Landfill Gas
Grand Blanc Generating Station	Energy Developments, Inc d/b/a EDL	Grand Blanc, MI	50 GWh	Jun 1994	Dec 2025	Landfill Gas
University of Illinois Abbott Power Plt	University of Illinois	Champaign, IL	213 GWh	Oct 1940	Dec 2025	Natural Gas : 97.0% Bituminous Coal : 3.0%
Storm Lake 1	ALLETE Clean Energy	Alta, IA	87 GWh	Apr 1999	Dec 2025	Wind
Kimberly Mill	City of Kaukauna (WI)	Appleton, WI	13 GWh	Dec 1925	Dec 2025	Water
Peoples Generating Station	Sagepoint Energy	Ann Arbor, MI	25 GWh	Aug 1995	Dec 2025	Landfill Gas
Adrian Energy Associates LLC	NextEra Renewable Fuels, LLC	Adrian, MI	2 GWh	Nov 1994	Dec 2025	Landfill Gas
Brent Run Generating Station	Energy Developments, Inc d/b/a EDL	Montrose, MI	50 GWh	Dec 1997	Dec 2025	Landfill Gas
Michigan Power LP	Michigan Power Limited Partnership	Ludington, MI	1 TWh	Sep 1995	Dec 2025	Natural Gas
Ergon Refining Vicksburg	Ergon Refining Inc	Vicksburg, MS	35 GWh	Feb 1995	Dec 2025	Natural Gas
Alliant SBD 9403 Aegon DC	Industrial Energy Applications Inc	Cedar Rapids, IA	15 MWh	Dec 1994	Dec 2025	Distillate Fuel Oil
Deercroft I & II LFGTE	Wabash Valley Power Assn, Inc	Michigan City, IN	19 GWh	Jul 1999	Dec 2025	Landfill 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%
LSP-Cottage Grove LP	Cottage Grove Operating Services LLC	Cottage Grove, MN	549 GWh	Sep 1997	Dec 2025	Natural Gas
De Pere Energy Center	Wisconsin Public Service Corp	De Pere, WI	180 GWh	May 1999	Dec 2025	Natural Gas : 59.9% Distillate Fuel Oil : 40.1%
Davenport Water Pollution Control Plant	Davenport, City of - (IA)	Davenport, IA	6 GWh	Apr 1995	Dec 2025	Other Biomass Gas : 63.5% Natural Gas : 36.5%
Portside Energy	Primary Energy Recycling Holdings, LLC	Portage, IN	262 GWh	Aug 1997	Dec 2025	Natural Gas
Kalamazoo River Generating Station	CMS Generation MI Power LLC	Comstock, MI	136 GWh	May 1999	Dec 2025	Natural Gas
Livingston Generating Station	CMS Generation MI Power LLC	Gaylord, MI	22 GWh	May 1999	Dec 2025	Natural Gas
Vermillion Energy Facility	Duke Energy Ohio Inc	Cayuga, IN	422 GWh	May 2000	Dec 2025	Natural Gas
NAFTA Region Olefins Complex Cogen Fac	BASF Corp	Port Arthur, TX	577 GWh	Jun 2001	Dec 2025	Natural Gas
Alliant Energy Neenah	Wisconsin Power & Light Co	Neenah, WI	483 GWh	Apr 2000	Dec 2025	Natural Gas
Worthington Generation LLC	Hoosier Energy R E C, Inc	Worthington, IN	203 GWh	May 2000	Dec 2025	Natural Gas
Calcasieu	Entergy Louisiana LLC	Sulphur, LA	139 GWh	Apr 2000	Dec 2025	Natural Gas
Gibson City Energy Center LLC	Gibson City Energy Center LLC	Gibson City, IL	77 GWh	May 2000	Dec 2025	Natural Gas
Lake Benton I	ALLETE Clean Energy	Lake Benton, MN	235 GWh	Jan 1998	Dec 2025	Wind
Harry L. Oswald	Arkansas Electric Coop Corp	Little Rock, AR	929 GWh	Jun 2002	Dec 2025	Natural Gas
Wheatland Generating Facility	Duke Energy Indiana, LLC	Wheatland, IN	153 GWh	May 2000	Dec 2025	Natural Gas
Audrain Generating Station	Union Electric Co - (MO)	Vandalia, MO	403 GWh	Jan 2001	Dec 2025	Natural Gas
Shelby Energy County	Shelby County Energy Center, LLC	Neoga, IL	184 GWh	May 2000	Dec 2025	Natural Gas
Lake Benton II	Northern States Power Co - Minnesota	Ruthton, MN	440 GWh	May 1999	Dec 2025	Wind
Storm Lake II	ALLETE Clean Energy	Alta, IA	115 GWh	Mar 1999	Dec 2025	Wind
Air Products Port Arthur	Air Products LLC	Port Arthur, TX	1 TWh	Oct 2000	Dec 2025	Natural Gas : 93.4% Other Gas : 6.6%
Woodstock Windfarm	RWE Clean Energy	Woodstock, MN	37 GWh	Apr 1999	Dec 2025	Wind
Lakota Ridge LLC	Lakota Ridge, LLC (Longroad)	Hendricks, MN	14 GWh	Mar 1999	Dec 2025	Wind
Shaokatan Hills LLC	Shaokatan Hills, LLC (Longroad)	Hendricks, MN	11 GWh	Jul 1999	Dec 2025	Wind
Crossroads Energy Center	Clarksdale Public Utilities	Clarksdale, MS	65 GWh	Jun 2002	Dec 2025	Natural Gas
Kentucky Mills	Domtar Paper Company LLC	Hawesville, KY	338 GWh	May 2001	Dec 2025	Black Liquor : 75.4% Wood/Wood Waste Solids : 23.7% Natural Gas : 0.8%
Columbia Energy Center	City of Columbia - (MO)	Columbia, MO	51 GWh	May 2001	Dec 2025	Natural Gas
MMSD South Shore Wastewater	Milwaukee Metro Sewerage Dist	Oak Creek, WI	23 GWh	Jul 2000	Dec 2025	Other Biomass Gas : 88.5% Natural Gas : 11.5%
Agassiz Beach LLC	CHI Operations Inc	Averill, MN	3 GWh	Jan 2001	Dec 2025	Wind
GRS C&C	Gas Recovery Systems Inc	Marshall, MI	21 GWh	Jan 1995	Dec 2025	Landfill Gas
Flambeau Crowley Rapids Project	Zero6 Energy Hydro	Park Falls, WI	4 GWh	Dec 1929	Dec 2025	Water
Flambeau Lower Project	Zero6 Energy Hydro	Park Falls, WI	3 GWh	Dec 1922	Dec 2025	Water
Dean	DTE Electric Company	East China, MI	705 GWh	May 2002	Dec 2025	Natural Gas
Otsego Mill Power Plant	Otsego Paper Inc	Otsego, MI	163 GWh	Oct 1995	Dec 2025	Natural Gas
Old Gold Energy Center, LLC	Old Gold Energy Center, LLC	Joice, IA	57 GWh	Sep 2001	Dec 2025	Wind
Kas Brothers Windfarm	Kas Brothers Windfarm LLC	Woodstock, MN	2 GWh	Nov 2001	Dec 2025	Wind
Hawkeye Power Partners LLC	Hawkeye Power Partners LLC	Garner, IA	168 GWh	Mar 1999	Dec 2025	Wind
Island Street Peaking Plant	WPPI Energy	Kaukauna, WI	20 GWh	May 2004	Dec 2025	Natural Gas
Oak Point Cogen	Chevron Oronite Co LLC	Belle Chasse, LA	98 GWh	Sep 1999	Dec 2025	Natural Gas
Stevens Point Mill	Pixelle Specialty Solution, LLC	Stevens Point, WI	14 GWh	Jan 2002	Dec 2025	Natural Gas
Ridgeview	WM Renewable Energy LLC	Whitelaw, WI	37 GWh	Aug 2002	Dec 2025	Landfill Gas
Alliant SBD0201 Ingredion	Industrial Energy Applications Inc	Cedar Rapids, IA	38 MWh	May 2003	Dec 2025	Distillate Fuel Oil
Traer East	City of Traer - (IA)	Tracer, IA	6 MWh	Feb 2004	Dec 2025	Distillate Fuel Oil
Casey City of	City of Casey - (IL)	Casey, IL	80 MWh	Apr 2002	Dec 2025	Distillate Fuel Oil
G McNeilus Wind Farm Dodge Center	Justin McNeilus	Dodge Center, MN	91 GWh	Aug 2002	Dec 2025	Wind
Berlin Landfill Gas	WM Renewable Energy LLC	Berlin, WI	12 GWh	Jul 2001	Dec 2025	Landfill Gas
Hillsboro	City of Hillsboro - (ND)	Hillsboro, ND	17 MWh	Jun 2002	Dec 2025	Distillate Fuel Oil
FPL Energy North Dakota Wind I/II	FPL Energy North Dakota Wind LLC	Edgeley, ND	121 GWh	Sep 2003	Dec 2025	Wind
St. Charles Power Plant	City of St Charles - (MN)	St. Charles, MN	75 MWh	Nov 2004	Dec 2025	Distillate Fuel Oil
Mankato Energy Center	MEC Holdings, LLC	Mankato, MN	3 TWh	Jun 2006	Dec 2025	Natural Gas
T J Labbe Electric Generating	Lafayette Utilities System	Lafayette, LA	47 GWh	Jul 2005	Dec 2025	Natural Gas
IMEA Flora	Illinois Municipal Elec Agency (IL)	Flora, IL	71 MWh	Nov 2000	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