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	May 2025
Annual Generation	645.5 TWh
Power Plants	2,653
Utilities	1,202
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 \| 36.9% Coal \| 28% Wind \| 15.6% Nuclear \| 14.5% Solar \| 3% Water \| 1.7% Other Fuel \| 0.5%

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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
Stuttgart Solar	Stuttgart Solar, LLC	Stuttgart, AR	155 GWh	Dec 2017	Feb 2025	Solar
Gratiot Wind Park	DTE Electric Company	Breckenridge, MI	223 GWh	Oct 2011	Feb 2025	Wind
Buffalo Ridge II LLC	Avangrid Renewables LLC	Elkton, SD	392 GWh	Nov 2010	Feb 2025	Wind
Iowa State University	Iowa State University	Ames, IA	85 GWh	Sep 1960	Feb 2025	Natural Gas
Pine Tree Acres WM LFGTE	WM Renewable Energy LLC	Lenox, MI	84 GWh	Feb 2012	Feb 2025	Landfill Gas
Crystal Lake 3 LLC	Crystal Lake 3 LLC	Britt, IA	255 GWh	Nov 2009	Feb 2025	Wind
Washington Parish Energy Center	Entergy Louisiana LLC	Bogalusa, LA	314 GWh	Oct 2020	Feb 2025	Natural Gas
Ouachita	Entergy Louisiana LLC	Sterlington, LA	4 TWh	Jul 2002	Feb 2025	Natural Gas
Garden Wind LLC	Garden Wind LLC	Zearing, IA	360 GWh	Nov 2009	Feb 2025	Wind
Bayou Cove Peaking Power	Bayou Cove, LLC	Jennings, LA	127 GWh	Jun 2002	Feb 2025	Natural Gas
Lake Charles Plant	Rain CII Carbon LLC	Sulphur, LA	43 GWh	Nov 2012	Feb 2025	Waste Heat
Harvest Ridge Wind Farm	Harvest Ridge Wind Farm	Newman, IL	755 GWh	Jun 2020	Feb 2025	Wind
Astoria Station	Otter Tail Power Co	Astoria, SD	334 GWh	Mar 2021	Feb 2025	Natural Gas
Plaquemine Cogeneration Plant	Dow Chemical Co	Plaquemine, LA	5 TWh	Feb 2004	Feb 2025	Natural Gas : 99.0% Other Gas : 1.0%
Hot Spring Generating Facility	Entergy Arkansas LLC	Malvern, AR	2 TWh	May 2002	Feb 2025	Natural Gas
NCAH Central Utility Plant	National Centers for Animal Health	Ames, IA	11 GWh	May 1996	Feb 2025	Natural Gas : 99.4% Distillate Fuel Oil : 0.6%
Carville Energy LLC	Carville Energy LLC	St Gabriel, LA	3 TWh	May 2003	Feb 2025	Natural Gas
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	Feb 2025	Natural Gas
Pine River Wind Park	DTE Electric Company	Shepherd, MI	351 GWh	Feb 2019	Feb 2025	Wind
Beaver Creek Wind	MidAmerican Energy Co	Ogden, IA	1 TWh	Nov 2017	Feb 2025	Wind
Orient Wind Farm	MidAmerican Energy Co	Orient, IA	2 TWh	Nov 2018	Feb 2025	Wind
Rolling Hills Wind Farm	MidAmerican Energy Co	Massena, IA	2 TWh	Nov 2011	Feb 2025	Wind
Saratoga Wind Farm	Madison Gas & Electric Co	Lime Springs, IA	292 GWh	Jan 2019	Feb 2025	Wind
RockGen Energy Center	Dairyland Power Coop	Cambridge, WI	398 GWh	May 2001	Feb 2025	Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
Union Power Station	Entergy Arkansas LLC	El Dorado, AR	10 TWh	Dec 2002	Feb 2025	Natural Gas
Sugar Creek Power	Northern Indiana Pub Serv Co	West Terre Haute, IN	4 TWh	May 2002	Feb 2025	Natural Gas
Tatanka Ridge	Tatanka Ridge LLC	Toronto, SD	626 GWh	Dec 2020	Feb 2025	Wind
Cottonwood Energy Project	NRG Cottonwood Tenant LLC	Deweyville, TX	6 TWh	Jun 2003	Feb 2025	Natural Gas
Jack Fusco Energy Center	Brazos Valley Energy	Thompsons, TX	3 TWh	Apr 2003	Feb 2025	Natural Gas
Franklin Heating Station	Franklin Heating Station	Rochester, MN	63 GWh	Dec 1950	Feb 2025	Natural Gas : 74.5% Purchased Steam : 23.9% Distillate Fuel Oil : 1.6%
North Star Solar Project	North Star Solar PV LLC	North Branch, MN	187 GWh	Nov 2016	Feb 2025	Solar
Holland Energy Facility	NAES Corporation - (WA)	Beecher City, IL	2 TWh	Aug 2002	Feb 2025	Natural Gas
Marshall Solar Energy Project	Marshall Solar Energy Project	Marshall, MN	90 GWh	Dec 2016	Feb 2025	Solar
Moselle	Cooperative Energy	Moselle, MS	2 TWh	Jul 1970	Feb 2025	Natural Gas
Cardinal Point Wind	Cardinal Point LLC	Sciota, IL	544 GWh	Feb 2020	Feb 2025	Wind
Labadie	Union Electric Co - (MO)	Labadie, MO	14 TWh	May 1970	Feb 2025	Subbituminous Coal : 99.9%
Jackson Generating Station	Consumers Energy Co - (MI)	Jackson, MI	2 TWh	Jun 2002	Feb 2025	Natural Gas
Prairie Rose Wind Farm	Enel Green Power NA, Inc.	Hardwick, MN	397 GWh	Nov 2012	Feb 2025	Wind
Sioux	Union Electric Co - (MO)	West Alton, MO	4 TWh	Apr 1967	Feb 2025	Subbituminous Coal : 76.4% Bituminous Coal : 23.5%
Whiting Clean Energy	BP Alternative Energy	Whiting, IN	3 TWh	Mar 2002	Feb 2025	Natural Gas
State Farm	State Farm Insurance	Bloomington, IL	28 MWh	Sep 1996	Feb 2025	Distillate Fuel Oil
New Frontier Wind	Meadowlark Wind I LLC	Ruso, ND	407 GWh	Nov 2018	Feb 2025	Wind
Montpelier Electric Generating Station	Kimura Power LLC	Poneto, IN	76 GWh	May 2001	Feb 2025	Natural Gas : 99.8%
Marshalltown Generating Station	Interstate Power and Light Co	Marshalltown, IA	3 TWh	Mar 2017	Feb 2025	Natural Gas
R M Heskett	Montana-Dakota Utilities Co	Mandan, ND	28 GWh	Oct 1954	Feb 2025	Natural Gas
Saint Marys Hospital Power Plant	St Mary's Hospital	Rochester, MN	55 GWh	Dec 1970	Feb 2025	Natural Gas : 99.4% Distillate Fuel Oil : 0.6%
Milton R Young	Minnkota Power Coop, Inc	Center, ND	4 TWh	Sep 1970	Feb 2025	Lignite Coal : 99.7%
New Auburn DPC Solar	SoCore Energy LLC	New Auburn, WI	4 GWh	Dec 2017	Feb 2025	Solar
Lewis Creek	Entergy Texas Inc.	Willis, TX	2 TWh	Nov 1970	Feb 2025	Natural Gas
Attala	Entergy Mississippi LLC	Sallis, MS	3 TWh	Feb 2001	Feb 2025	Natural Gas
New Orleans Power	Entergy New Orleans, LLC	New Orleans, LA	152 GWh	Apr 2020	Feb 2025	Natural Gas
Lake Charles Power	Entergy Louisiana LLC	West Lake, LA	6 TWh	Feb 2020	Feb 2025	Natural Gas
St. Charles Power Station (LA)	Entergy Louisiana LLC	La Place, LA	6 TWh	Apr 2019	Feb 2025	Natural Gas
Montgomery County	Entergy Texas Inc.	Willis, TX	6 TWh	Dec 2020	Feb 2025	Natural Gas
Hinds Energy Facility	Entergy Mississippi LLC	Jackson, MS	3 TWh	Apr 2001	Feb 2025	Natural Gas
POET Biorefining Lake Crystal	POET Biorefining Lake Crystal	Lake Crystal, MN	8 GWh	Mar 2005	Feb 2025	Natural Gas : 84.6% Distillate Fuel Oil : 15.4%
Oliver Wind III, LLC	Oliver Wind III, LLC	Mandan, ND	436 GWh	Dec 2016	Feb 2025	Wind
Whistling Winds DPC Solar	SoCore Energy LLC	New Lisbon, WI	3 GWh	May 2017	Feb 2025	Solar
Medford DPC Solar	SoCore Energy LLC	Medford, WI	3 GWh	Jan 2017	Feb 2025	Solar
Mt. Hope DPC Solar	SoCore Energy LLC	Mt. Hope, WI	2 GWh	Dec 2016	Feb 2025	Solar
Downsville DPC Solar	SoCore Energy LLC	Menomonee, WI	2 GWh	Jan 2017	Feb 2025	Solar
Liberty Pole DPC Solar	SoCore Energy LLC	Viroqua, WI	2 GWh	Apr 2017	Feb 2025	Solar
Warren DPC Solar	SoCore Energy LLC	Roberts, WI	4 GWh	Apr 2017	Feb 2025	Solar
West Group Data Center	Thomson Corp	Eagan, MN	51 MWh	Apr 2005	Feb 2025	Distillate Fuel Oil
Goodyear Beaumont Chemical Plant	Goodyear Tire & Rubber Co	Beaumont, TX	275 GWh	Feb 1987	Feb 2025	Natural Gas : 98.7% Waste/Other Oil : 1.3%
George Neal South	MidAmerican Energy Co	Salix, IA	736 GWh	Jun 1979	Feb 2025	Subbituminous Coal : 98.3%
French Island	Northern States Power Co - Minnesota	La Cross, WI	58 GWh	Dec 1939	Feb 2025	Wood/Wood Waste Solids : 47.2% Non-biogenic Municipal Solid Waste : 26.5% Biogenic Municipal Solid Waste : 21.7% Distillate Fuel Oil : 4.2%
Deerfield Wind Energy, LLC	Deerfield Wind Energy, LLC	Kinde, MI	504 GWh	Jan 2017	Feb 2025	Wind
Acadia Energy Center	Cleco Power LLC	Eunice, LA	5 TWh	Jun 2002	Feb 2025	Natural Gas
Prairie Wind Farm	MidAmerican Energy Co	Montezuma, IA	611 GWh	Dec 2017	Feb 2025	Wind
Thomson Reuters Campus Bldg A-D	Thomson Corp	Eagan, MN	92 MWh	Mar 1999	Feb 2025	Distillate Fuel Oil
RS Cogen	Westlake 2 US LLC	Lake Charles, LA	2 TWh	Nov 2002	Feb 2025	Natural Gas
Port Washington Generating Station	Wisconsin Electric Power Co	Port Washington, WI	7 TWh	Jun 2005	Feb 2025	Natural Gas
South Oak Creek	Wisconsin Electric Power Co	Oak Creek, WI	2 TWh	Nov 1959	Feb 2025	Subbituminous Coal : 99.7%
Valley (WI)	Wisconsin Electric Power Co	Milwaukee, WI	445 GWh	May 1968	Feb 2025	Natural Gas
Wabash Valley Power IGCC	Wabash Valley Power Assn, Inc	Terre Haute, IN	441 GWh	Nov 1953	Feb 2025	Natural Gas
Otter Creek Ethanol Poet - Ashton	Otter Creek Ethanol LLC - Poet Ashton	Ashton, IA	43 GWh	Feb 2004	Feb 2025	Natural Gas
Sigel Wind Park	DTE Electric Company	Harbor Beach, MI	256 GWh	Nov 2012	Feb 2025	Wind
Point Beach Nuclear Plant	NextEra Energy Point Beach LLC	Two Rivers, WI	10 TWh	May 1969	Feb 2025	Nuclear
Edgewater	Wisconsin Power & Light Co	Sheboygan, WI	2 TWh	Jun 1951	Feb 2025	Subbituminous Coal : 99.9%
Minden Wind Park	DTE Electric Company	Minden City, MI	111 GWh	Nov 2012	Feb 2025	Wind
Taft Cogeneration Facility	Occidental Chemical Corporation	Hahnville, LA	5 TWh	Jun 2002	Feb 2025	Natural Gas : 99.0% Other Gas : 1.0%
Dearborn Industrial Generation	Dearborn Industrial Gen Inc	Dearborn, MI	5 TWh	May 1999	Feb 2025	Natural Gas : 84.1% Blast Furnace Gas : 15.9%
Zeeland Generating Station	Consumers Energy Co - (MI)	Zeeland, MI	5 TWh	May 2001	Feb 2025	Natural Gas
Pine Bluff Energy Center	Pine Bluff Energy LLC	Pine Bluff, AR	1 TWh	Jul 2001	Feb 2025	Natural Gas
Heat Recovery Coke Facility	Cokenergy Inc	East Chicago, IN	426 GWh	Mar 1998	Feb 2025	Waste Heat
Westlake Plaquemine	Westlake Chemicals & Vinyls LLC	Plaquemine, LA	2 TWh	Apr 1997	Feb 2025	Natural Gas : 97.8% Other Gas : 2.2%
McKinley Wind Park	DTE Electric Company	Pigeon, MI	53 GWh	Nov 2012	Feb 2025	Wind
Eclipse Wind Farm	MidAmerican Energy Co	Adair, IA	872 GWh	Aug 2012	Feb 2025	Wind
LSP-Whitewater LP	Wisconsin Electric Power Co	Whitewater, WI	855 GWh	Aug 1997	Feb 2025	Natural Gas
Pulliam	Wisconsin Public Service Corp	Green Bay, WI	64 GWh	Aug 1949	Feb 2025	Natural Gas
Gaylord Container Bogalusa	Temple-Inland Corp	Bogalusa, LA	409 GWh	May 1979	Feb 2025	Black Liquor : 56.6% Wood/Wood Waste Solids : 35.1% Natural Gas : 8.3%
Domino Farms Solar	DTE Electric Company	Ann Arbor, MI	1 GWh	Aug 2015	Feb 2025	Solar
Pine Tree Acres	EPP Renewable Energy	Lenox Twp, MI	68 GWh	May 1998	Feb 2025	Landfill Gas
Greenwood Solar Farm	DTE Electric Company	Avoca, MI	2 GWh	Dec 2015	Feb 2025	Solar
Weston	Wisconsin Public Service Corp	Rothschild, WI	4 TWh	Nov 1954	Feb 2025	Subbituminous Coal : 99.6%
Lake Charles Polymers	Equistar Chemicals LP	Westlake, LA	194 GWh	Aug 2011	Feb 2025	Natural Gas
Southern Minnesota Beet Sugar	Southern Minnesota Beet Sugar	Renville, MN	28 GWh	Aug 1976	Feb 2025	Subbituminous Coal : 69.9% Natural Gas : 29.3% Residual Fuel Oil : 0.8%
SIUC	Southern Illinois University Carbondale	Carbondale, IL	7 GWh	May 1998	Feb 2025	Bituminous Coal
ADA Carbon Solutions Red River	ADA Carbon Solutions (Red River), LLC	Coushatta, LA	97 GWh	Jan 2011	Feb 2025	Waste Heat

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	742.1 GWh	4
#26	Associated Electric Cooperative, Inc.	22.9 TWh	47
#13	Duke Energy Carolinas	111.3 TWh	556
#52	Duke Energy Progress West	4.2 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	34.0 TWh	20
#1	PJM Interconnection, LLC	859.4 TWh	2,305
#20	Public Service Company of Colorado	48.6 TWh	201
#5	Southwest Power Pool	296.3 TWh	762
#51	Southwestern Power Administration	4.2 TWh	31
#8	Tennessee Valley Authority	158.9 TWh	170

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	859.4 TWh	2,305
#2	Midcontinent Independent System Operator, Inc.	645.5 TWh	2,653
#3	Electric Reliability Council of Texas, Inc.	474.5 TWh	1,139
#5	Southwest Power Pool	296.3 TWh	762
#6	Southern Company Services, Inc. - Trans	252.3 TWh	393
#7	California Independent System Operator	189.5 TWh	1,943
#8	Tennessee Valley Authority	158.9 TWh	170
#10	Florida Power & Light Co.	148.5 TWh	159
#12	New York Independent System Operator	130.9 TWh	1,100
#13	Duke Energy Carolinas	111.3 TWh	556