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 2024
Annual Generation	631.0 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 \| 39.8% Coal \| 26.3% Wind \| 15.6% Nuclear \| 14% Solar \| 2.1% Water \| 1.7% Other Fuel \| 0.4%

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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
Main Street (MI)	Village of Sebewaing - (MI)	Sebewaing, MI	1 MWh	May 1947	Dec 2023	Distillate Fuel Oil
Peru (IN)	City of Peru - (IN)	Peru, IN	1 MWh	May 1949	Dec 2023	Distillate Fuel Oil
Grand Junction	City of Grand Junction - (IA)	Grand Junction, IA	1 MWh	Nov 1994	Dec 2023	Distillate Fuel Oil
Stuart (IA)	City of Stuart - (IA)	Stuart, IA	1 MWh	Jan 1956	Dec 2022	Distillate Fuel Oil
Gilliam South	City of Stuart - (IA)	Stuart, IA	1 MWh	Jan 2001	Dec 2023	Distillate Fuel Oil
Elroy	City of Elroy - (WI)	Elroy, WI	1 MWh	Apr 1973	Dec 2023	Distillate Fuel Oil
Hopkinton	City of Hopkinton - (IA)	Hopkinton, IA	2 MWh	Aug 1973	Dec 2023	Distillate Fuel Oil
Melrose 2	Melrose Public Utilities	Melrose, MN	2 MWh	Feb 2014	Dec 2023	Distillate Fuel Oil
ERDC	Entergy Texas Inc.	Vicksburg, MS	2 MWh	Sep 2021	Dec 2022	Natural Gas
Cascade	Cascade Municipal Utilities	Cascade, IA	3 MWh	Mar 1951	Dec 2023	Distillate Fuel Oil
Lanesboro	Lanesboro Public Utility Comm	Lanesboro, MN	3 MWh	Dec 1922	Dec 2023	Distillate Fuel Oil : 66.7% Water : 33.3%
Alliant SBD 9206 Donaldson	Industrial Energy Applications Inc	Cresco, IA	4 MWh	Oct 1995	Dec 2023	Distillate Fuel Oil
Brooklyn City North Plant	City of Brooklyn - (IA)	Brooklyn, IA	4 MWh	Apr 2002	Dec 2023	Distillate Fuel Oil
Viola	Village of Viola - (WI)	Viola, WI	4 MWh	Dec 2001	Dec 2023	Distillate Fuel Oil
Gowrie	Gowrie Municipal Utilities	Gowrie, IA	4 MWh	Dec 2012	Dec 2023	Distillate Fuel Oil
McGregor	City of McGregor- (IA)	McGregor, IA	4 MWh	Nov 1941	Dec 2023	Distillate Fuel Oil
Ogden	City of Ogden - (IA)	Ogden, IA	5 MWh	Jun 1951	Dec 2023	Distillate Fuel Oil
Caro	Thumb Electric Coop of Mich	Caro, MI	6 MWh	Jul 1949	Dec 2023	Distillate Fuel Oil
Westbrook	City of Westbrook	Westbrook, MN	6 MWh	Sep 2003	Dec 2023	Distillate Fuel Oil
Evonik Industries AG	Evonik Degussa Corporation	Lafayette, IN	6 MWh	Apr 1992	Dec 2023	Distillate Fuel Oil
Panora	City of Panora - (IA)	Panora, IA	6 MWh	Dec 1987	Dec 2023	Distillate Fuel Oil
Downtown Generation Plant	City of Greenfield - (IA)	Greenfield, IA	6 MWh	Jun 2020	Dec 2023	Distillate Fuel Oil
Brooklyn	City of Brooklyn - (IA)	Brooklyn, IA	6 MWh	Aug 2012	Dec 2023	Distillate Fuel Oil
Harlan	Harlan Municipal Utilities - (IA)	Harlan, IA	6 MWh	Jun 2001	Dec 2023	Distillate Fuel Oil
Marceline	City of Marceline - (MO)	Marceline, MO	7 MWh	Jul 1989	Dec 2023	Distillate Fuel Oil
Traer Main	City of Traer - (IA)	Traer, IA	7 MWh	Dec 1962	Dec 2023	Distillate Fuel Oil : 93.4% Natural Gas : 6.6%
Stevens Community Medical Center	Stevens Community Medical Center	Morris, MN	8 MWh	Apr 2004	Dec 2023	Distillate Fuel Oil
Washington Island	Washington Island El Coop, Inc	Washington Island, WI	9 MWh	Nov 1945	Dec 2023	Distillate Fuel Oil
Thomson Reuters Data Center Bldg ES101	Thomson Corp	Eagan, MN	9 MWh	Apr 2009	Aug 2024	Distillate Fuel Oil
Lake Crystal	City of Lake Crystal - (MN)	Lake Crystal, MN	9 MWh	Apr 1952	Dec 2023	Distillate Fuel Oil
Alliant SBD 9205 A Y McDonald	Industrial Energy Applications Inc	Dubuque, IA	10 MWh	Feb 1990	Dec 2023	Distillate Fuel Oil
Argyle	City of Argyle - (WI)	Argyle, WI	10 MWh	Dec 1928	Dec 2023	Distillate Fuel Oil : 70.0% Water : 30.0%
Halstad	City of Halstad - (MN)	Halstad, MN	10 MWh	Aug 2007	Dec 2023	Distillate Fuel Oil
Luther College Wind Project	Luther College Wind Energy Project LLC	Decorah, IA	10 MWh	Sep 2011	Dec 2023	Wind
West Diesel Generation Unit	City of Pocahontas - (IA)	Pocahontas, IA	10 MWh	May 2006	Dec 2023	Distillate Fuel Oil
Earlville	City of Earlville - (IA)	Earlville, IA	12 MWh	Jun 2001	Dec 2023	Distillate Fuel Oil
Walton Street Substation	City of Farmington - (MO)	Farmington, MO	12 MWh	Dec 2002	Dec 2023	Distillate Fuel Oil
Anita	City of Anita - (IA)	Anita, IA	12 MWh	Sep 1939	Dec 2023	Distillate Fuel Oil
Lenox	City of Lenox - (IA)	Lenox, IA	12 MWh	Aug 1948	Dec 2023	Distillate Fuel Oil
South Strawberry	City of Strawberry Point	Strawberry Point, IA	12 MWh	Dec 2001	Dec 2023	Distillate Fuel Oil
Mexico	Union Electric Co - (MO)	Mexico, MO	13 MWh	Aug 1978	Dec 2023	Distillate Fuel Oil
Georgetown (Polk Burnett)	Greenbacker Renewable Energy Corporation	Balsam Lake, WI	13 MWh	Oct 2023	Dec 2023	Solar
Lakefield Utilities	City of Lakefield - (MN)	Lakefield, MN	13 MWh	Jan 1985	Dec 2023	Distillate Fuel Oil
Villisca Municipal Power Plant	City of Villisca - (IA)	Villisca, IA	13 MWh	May 2003	Dec 2023	Distillate Fuel Oil
Willmar Municipal East Substation	Willmar Municipal Utilities	Willmar, MN	14 MWh	May 2000	Dec 2023	Distillate Fuel Oil
State Auto Insurance	SLB Milbank LLC	Milbank, SD	14 MWh	Mar 2001	Dec 2022	Distillate Fuel Oil
Willmar Municipal SW Substation	Willmar Municipal Utilities	Willmar, MN	14 MWh	May 2000	Dec 2023	Distillate Fuel Oil
Coggon	Coggon Municipal Light Plant	Coggon, IA	14 MWh	Sep 1957	Dec 2023	Distillate Fuel Oil
La Farge	La Farge Municipal Electric Co	La Farge, WI	14 MWh	Sep 1990	Dec 2023	Distillate Fuel Oil
Webster Creek (Oak 2)	Greenbacker Renewable Energy Corporation	New Lisbon, WI	14 MWh	Nov 2023	Dec 2023	Solar
Rockford	City of Rockford- (IA)	Rockford, IA	14 MWh	Jul 1951	Dec 2022	Distillate Fuel Oil
Alliant SBD 8602 Marion Sub	Industrial Energy Applications Inc	Marion, IA	15 MWh	Jul 1986	Dec 2023	Distillate Fuel Oil
Cashton	Village of Cashton - (WI)	Cashton, WI	15 MWh	Jul 1932	Dec 2023	Distillate Fuel Oil
Hillsboro	City of Hillsboro - (ND)	Hillsboro, ND	15 MWh	Jun 2002	Dec 2023	Distillate Fuel Oil
Dayton (IA)	City of Dayton - (IA)	Dayton, IA	15 MWh	Sep 2000	Dec 2023	Distillate Fuel Oil
Sibley One	City of Sibley - (IA)	Sibley, IA	16 MWh	Aug 1971	Dec 2023	Distillate Fuel Oil : 54.7% Natural Gas : 45.3%
Ubly	Thumb Electric Coop of Mich	Ubly, MI	17 MWh	May 1938	Dec 2023	Distillate Fuel Oil : 77.3% Natural Gas : 22.7%
Fitchburg	Madison Gas & Electric Co	Madison, WI	17 MWh	Apr 1973	Dec 2023	Natural Gas
Kahoka	City of Kahoka	Kahoka, MO	17 MWh	Dec 1940	Dec 2023	Distillate Fuel Oil
Pierre Solar	Pierre Solar	Pierre, SD	17 MWh	Aug 2016	Dec 2023	Solar
Bluff Prairie (Vernon)	Greenbacker Renewable Energy Corporation	De Soto, WI	17 MWh	Oct 2023	Dec 2023	Solar
Alliant SBD 9403 Aegon DC	Industrial Energy Applications Inc	Cedar Rapids, IA	18 MWh	Dec 1994	Dec 2023	Distillate Fuel Oil
Sibley No Two	City of Sibley - (IA)	Sibley, IA	18 MWh	Nov 1987	Dec 2023	Distillate Fuel Oil : 69.9% Natural Gas : 30.1%
Truman	City of Truman	Truman, MN	18 MWh	Aug 1938	Dec 2023	Distillate Fuel Oil
Kenyon Municipal	Kenyon Municipal Utilities	Kenyon, MN	19 MWh	Jul 1997	Dec 2023	Distillate Fuel Oil
Plant Four	City of Marquette - (MI)	Marquette, MI	26 MWh	Apr 1979	Dec 2023	Distillate Fuel Oil
Valley Queen Cheese	Valley Queen Cheese Factory, Inc.	Milbank, SD	26 MWh	Mar 2002	Aug 2024	Distillate Fuel Oil
Hendricks Regional Health	Hendricks Regional Health	Danville, IN	26 MWh	Aug 1992	Aug 2024	Distillate Fuel Oil
Anderson Erickson	Anderson Erickson Dairy	Des Moines, IA	27 MWh	Mar 2000	Dec 2023	Distillate Fuel Oil
State Farm	State Farm Insurance	Bloomington, IL	27 MWh	Sep 1996	Aug 2024	Distillate Fuel Oil
Flora Site B	City of Flora - (IL)	Flora, IL	27 MWh	Nov 2001	Dec 2023	Distillate Fuel Oil
Maquoketa 1	City of Maquoketa - (IA)	Maquoketa, IA	27 MWh	May 1956	Dec 2023	Natural Gas : 87.4% Distillate Fuel Oil : 12.6%
Fennimore	City of Fennimore - (WI)	Fennimore, WI	28 MWh	Jan 1952	Dec 2023	Distillate Fuel Oil
Lemonweir (Oak 1)	Greenbacker Renewable Energy Corporation	Mauston, WI	30 MWh	Nov 2023	Dec 2023	Solar
MNDOT Standby Generation	State of Minnesota Department of Administration	St. Paul, MN	30 MWh	Jun 1995	Aug 2024	Distillate Fuel Oil
Corewell Health Dearborn Campus	Corewell Health Dearborn Campus	Dearborn, MI	30 MWh	Dec 1978	Dec 2023	Distillate Fuel Oil
4710 Hosting	Epic Hosting, LLC	Rochester, MN	30 MWh	May 2012	Dec 2023	Distillate Fuel Oil
Moberly	Union Electric Co - (MO)	Moberly, MO	30 MWh	Jul 1978	Dec 2023	Distillate Fuel Oil
Blue Earth	Blue Earth Light & Water	Blue Earth, MN	31 MWh	Oct 1960	Dec 2023	Distillate Fuel Oil
Overall Road Station	City of Farmington - (MO)	Farmington, MO	32 MWh	Feb 2003	Dec 2023	Distillate Fuel Oil
Elk River City of	City of Elk River	Elk River, MN	32 MWh	Feb 1948	Dec 2023	Distillate Fuel Oil
Elm Street Substation Generators	City of Farmington - (MO)	Farmington, MO	32 MWh	Sep 2002	Dec 2023	Distillate Fuel Oil
Lake Mills	City of Lake Mills	Lake Mills, IA	32 MWh	Dec 1955	Dec 2023	Distillate Fuel Oil
IBM West	Rochester Public Utilities	Rochester, MN	34 MWh	Sep 2005	Dec 2023	Distillate Fuel Oil
Alexandria	City of Alexandria - (MN)	Alexandria, MN	34 MWh	Dec 1947	Dec 2023	Distillate Fuel Oil
Fairfax	City of Fairfax - (MN)	Fairfax, MN	35 MWh	Jul 2001	Dec 2023	Distillate Fuel Oil
Bushnell	City of Bushnell - (IL)	Bushnell, IL	36 MWh	May 1940	Dec 2023	Distillate Fuel Oil
Farmer City	City of Farmer City - (IL)	Farmer City, IL	36 MWh	Mar 1951	Dec 2023	Distillate Fuel Oil
Wilton	City of Wilton - (IA)	Wilton, IA	37 MWh	Dec 1991	Dec 2023	Distillate Fuel Oil
St James	City of St James - (MN)	St James, MN	38 MWh	Jun 2002	Dec 2023	Distillate Fuel Oil
Corning	City of Corning - (IA)	Corning, IA	38 MWh	May 1975	Dec 2023	Distillate Fuel Oil
Delano	Delano Municipal Utilities	Delano, MN	38 MWh	Sep 1946	Dec 2023	Distillate Fuel Oil
West Liberty	City of West Liberty - (IA)	West Liberty, IA	39 MWh	Sep 1974	Dec 2023	Distillate Fuel Oil
Alliant SBD 9107 JBS USA	Industrial Energy Applications Inc	Marshalltown, IA	39 MWh	Jul 1992	Aug 2024	Distillate Fuel Oil
Springfield (MN)	Springfield Public Utils Comm - (MN)	Springfield, MN	40 MWh	May 1994	Dec 2023	Distillate Fuel Oil
Flora Site A	City of Flora - (IL)	Flora, IL	40 MWh	Nov 2001	Dec 2023	Distillate Fuel Oil
M. G. Emmett J. Bean Federal Center	U.S. General Services Administration	Indianapolis, IN	41 MWh	Mar 2011	Jul 2023	Solar
Tipton	City of Tipton - (IA)	Tipton, IA	42 MWh	Oct 1955	Dec 2023	Distillate Fuel Oil
North Generation Plant	City of Greenfield - (IA)	Greenfield, IA	45 MWh	Dec 2001	Dec 2023	Distillate Fuel Oil
Kindred School	Kindred Public School	Kindred, ND	46 MWh	Sep 2001	Aug 2024	Distillate Fuel Oil

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	894.0 GWh	4
#26	Associated Electric Cooperative, Inc.	22.7 TWh	47
#13	Duke Energy Carolinas	110.9 TWh	556
#51	Duke Energy Progress West	4.1 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.2 TWh	20
#1	PJM Interconnection, LLC	843.8 TWh	2,305
#21	Public Service Company of Colorado	45.1 TWh	201
#5	Southwest Power Pool	290.4 TWh	762
#53	Southwestern Power Administration	3.5 TWh	31
#9	Tennessee Valley Authority	157.5 TWh	170

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	843.8 TWh	2,305
#2	Midcontinent Independent System Operator, Inc.	631.0 TWh	2,653
#3	Electric Reliability Council of Texas, Inc.	461.0 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	247.9 TWh	393
#7	California Independent System Operator	191.5 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.7 TWh	159
#12	New York Independent System Operator	130.0 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556