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	Mar 2025
Annual Generation	645.3 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 \| 37.7% Coal \| 27.4% Wind \| 15.7% Nuclear \| 14.4% Solar \| 2.7% 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
White Bluff	Entergy Arkansas LLC	Redfield, AR	2 TWh	Jul 1980	Jan 2025	Subbituminous Coal : 99.4% Distillate Fuel Oil : 0.6%
Nine Mile Point	Entergy Louisiana LLC	Westwego, LA	9 TWh	Oct 1955	Jan 2025	Natural Gas
Merom	Hallador Power Company, LLC	Sullivan, IN	4 TWh	Jan 1982	Jan 2025	Bituminous Coal : 99.7%
Degray	USCE -Vickburg District	Arkadelphia, AR	133 GWh	Jan 1972	Jan 2025	Water
Elk River	Great River Energy	Elk River, MN	46 GWh	Dec 1950	Jan 2025	Natural Gas : 98.5% Distillate Fuel Oil : 1.5%
D B Wilson	Big Rivers Electric Corp	Centertown, KY	2 TWh	Aug 1984	Jan 2025	Bituminous Coal : 99.5%
Clinton Power Station	Constellation Nuclear	Clinton, IL	10 TWh	Oct 1987	Jan 2025	Nuclear
M L Hibbard	ALLETE, Inc.	Duluth, MN	61 GWh	May 1949	Jan 2025	Wood/Wood Waste Solids : 93.6% Subbituminous Coal : 5.2% Natural Gas : 1.2%
French Island	Northern States Power Co - Minnesota	La Cross, WI	61 GWh	Dec 1939	Jan 2025	Wood/Wood Waste Solids : 47.8% Non-biogenic Municipal Solid Waste : 26.3% Biogenic Municipal Solid Waste : 21.5% Distillate Fuel Oil : 4.0%
Baldwin Energy Complex	Dynegy Midwest Generation Inc	Baldwin, IL	6 TWh	Jun 1970	Jan 2025	Subbituminous Coal : 99.8%
South Oak Creek	Wisconsin Electric Power Co	Oak Creek, WI	2 TWh	Nov 1959	Jan 2025	Subbituminous Coal : 99.6%
International Falls Power	Boise White Paper LLC	International Falls, MN	53 GWh	Dec 1923	Jan 2025	Water
T B Simon Power Plant	Michigan State University	East Lansing, MI	242 GWh	Nov 1965	Jan 2025	Natural Gas
Arkansas Nuclear One	Entergy Arkansas LLC	Russellville, AR	15 TWh	Nov 1974	Jan 2025	Nuclear
Warrick	AGC Division of APGI Inc	Newburgh, IN	3 TWh	Mar 1960	Jan 2025	Bituminous Coal : 99.1% Natural Gas : 0.9%
Fermi	DTE Electric Company	Frenchtown Twp, MI	8 TWh	Mar 1966	Jan 2025	Nuclear
R M Heskett	Montana-Dakota Utilities Co	Mandan, ND	27 GWh	Oct 1954	Jan 2025	Natural Gas
Riverside (MN)	Northern States Power Co - Minnesota	Minneapolis, MN	3 TWh	Mar 1987	Jan 2025	Natural Gas
Milton R Young	Minnkota Power Coop, Inc	Center, ND	4 TWh	Sep 1970	Jan 2025	Lignite Coal : 99.6%
Geneseo	City of Geneseo - (IL)	Geneseo, IL	8 GWh	Jun 1957	Jan 2025	Wind : 77.3% Solar : 21.6%
Belle River	DTE Electric Company	China Twp, MI	6 TWh	Oct 1981	Jan 2025	Subbituminous Coal : 89.0% Natural Gas : 10.6%
Weston	Wisconsin Public Service Corp	Rothschild, WI	4 TWh	Nov 1954	Jan 2025	Subbituminous Coal : 99.6%
Peru (IL)	City of Peru - (IL)	City of Peru, IL	16 GWh	Sep 1968	Jan 2025	Water : 98.7% Distillate Fuel Oil : 0.8%
Independence Steam Electric Station	Entergy Arkansas LLC	Newark, AR	5 TWh	Dec 1982	Jan 2025	Subbituminous Coal : 99.9%
Rantoul	Village of Rantoul - (IL)	Rantoul, IL	141 MWh	Dec 1950	Jan 2025	Distillate Fuel Oil
Consumer Operations LLC	Georgia-Pacific Consumer Oper. Green Bay LLC	Green Bay, WI	268 GWh	Dec 1953	Jan 2025	Natural Gas
Dallman	City of Springfield - (IL)	Springfield, IL	549 GWh	May 1968	Jan 2025	Bituminous Coal : 99.2% Natural Gas : 0.8%
Emery Station	Interstate Power and Light Co	Clear Lake, IA	2 TWh	Apr 2004	Jan 2025	Natural Gas
Sullivan (IL)	City of Sullivan - (IL)	Sullivan, IL	208 MWh	May 1946	Jan 2025	Distillate Fuel Oil
Callaway	Union Electric Co - (MO)	Fulton, MO	11 TWh	Nov 1984	Jan 2025	Nuclear
Marion	Southern Illinois Power Coop	Marion, IL	748 GWh	May 1963	Jan 2025	Bituminous Coal : 84.6% Natural Gas : 15.3%
Harding Street	AES Indiana	Indianapolis, IN	4 TWh	May 1958	Jan 2025	Natural Gas
Eagle Valley (IN)	AES Indiana	Martinsville, IN	5 TWh	Nov 1951	Jan 2025	Natural Gas
Boise Cascade International Falls	Boise White Paper LLC	International Falls, MN	341 GWh	Dec 1926	Jan 2025	Black Liquor : 63.7% Natural Gas : 22.7% Wood/Wood Waste Solids : 12.3% Sludge Waste : 1.3%
AES Petersburg	AES Indiana	Petersburg, IN	3 TWh	May 1967	Jan 2025	Bituminous Coal : 99.8%
Michigan City	Northern Indiana Pub Serv Co	Michigan City, IN	858 GWh	Apr 1974	Jan 2025	Subbituminous Coal : 78.1% Bituminous Coal : 20.1% Natural Gas : 1.8%
Red Wing	Northern States Power Co - Minnesota	Red Wing, MN	123 GWh	Sep 1949	Jan 2025	Non-biogenic Municipal Solid Waste : 53.1% Biogenic Municipal Solid Waste : 43.4% Wood/Wood Waste Solids : 3.0% Natural Gas : 0.5%
St Clair	DTE Electric Company	East China Twp, MI	2 GWh	Jul 1953	Jan 2025	Natural Gas
Cayuga	Duke Energy Indiana, LLC	Cayuga, IN	4 TWh	Sep 1970	Jan 2025	Bituminous Coal : 99.6%
Edwardsport	Duke Energy Indiana, LLC	Edwardsport, IN	3 TWh	May 2013	Jan 2025	Natural Gas : 48.4% Coal-Derived Synthesis Gas : 44.1% Bituminous Coal : 7.5%
Point Beach Nuclear Plant	NextEra Energy Point Beach LLC	Two Rivers, WI	10 TWh	May 1969	Jan 2025	Nuclear
Newton	Illinois Power Generating Co	Newton, IL	3 TWh	Oct 1977	Jan 2025	Subbituminous Coal : 99.9%
F B Culley	Southern Indiana Gas & Elec Co	Newburgh, IN	2 TWh	Nov 1966	Jan 2025	Bituminous Coal : 96.1% Natural Gas : 3.9%
Grand Gulf	System Energy Resources, Inc	Port Gibson, MS	11 TWh	Jun 1985	Jan 2025	Nuclear
Little Gypsy	Entergy Louisiana LLC	La Place, LA	1 TWh	Feb 1961	Jan 2025	Natural Gas
Iowa Hydro LLC	Renewable World Energies LLC	Maquoketa, IA	5 GWh	Dec 1923	Jan 2025	Water
John P Madgett	Dairyland Power Coop	Alma, WI	909 GWh	Oct 1979	Jan 2025	Subbituminous Coal : 99.7%
Prairie Creek	Interstate Power and Light Co	Cedar Rapids, IA	66 GWh	Sep 1958	Jan 2025	Subbituminous Coal : 67.2% Natural Gas : 32.8%
George Neal South	MidAmerican Energy Co	Salix, IA	608 GWh	Jun 1979	Jan 2025	Subbituminous Coal : 98.1%
Walter Scott Jr Energy Center	MidAmerican Energy Co	Council Bluffs, IA	6 TWh	Feb 1954	Jan 2025	Subbituminous Coal : 99.3% Distillate Fuel Oil : 0.6%
Louisa	MidAmerican Energy Co	Muscatine, IA	3 TWh	Sep 1983	Jan 2025	Subbituminous Coal : 98.6% Natural Gas : 1.4%
George Neal North	MidAmerican Energy Co	Sergeant Bluff, IA	768 GWh	Apr 1964	Jan 2025	Subbituminous Coal : 98.4% Natural Gas : 1.6%
Ottumwa	Interstate Power and Light Co	Ottumwa, IA	2 TWh	Apr 1981	Jan 2025	Subbituminous Coal : 99.7%
Burlington (IA)	Interstate Power and Light Co	Burlington, IA	1 GWh	May 1968	Jan 2025	Natural Gas
Covanta Hennepin Energy	Covanta Energy Co	Minneapolis, MN	207 GWh	Sep 1989	Jan 2025	Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.6%
Coyote	Otter Tail Power Co	Beulah, ND	2 TWh	Apr 1981	Jan 2025	Lignite Coal : 99.7%
Columbia (WI)	Wisconsin Power & Light Co	Pardeville, WI	5 TWh	Apr 1975	Jan 2025	Subbituminous Coal : 99.9%
Escanaba Mill	Billerud Escanaba LLC	Escanaba, MI	445 GWh	Dec 1968	Jan 2025	Black Liquor : 44.6% Natural Gas : 30.3% Wood/Wood Waste Solids : 23.9% Residual Fuel Oil : 0.6% Bituminous Coal : 0.5%
Expander Turbine	Cleveland Cliffs	East Chicago, IN	84 GWh	Apr 1981	Jan 2025	Blast Furnace Gas
Anheuser-Busch St Louis	Anheuser-Busch Inc	St. Louis, MO	41 GWh	Dec 1938	Jan 2025	Natural Gas : 92.2% Other Biomass Gas : 7.8%
CF Industries Yazoo City Complex	CF Industries Nitrogen LLC	Yazoo City, MS	143 GWh	Jun 1984	Jan 2025	Natural Gas
State Farm	State Farm Insurance	Bloomington, IL	28 MWh	Sep 1996	Jan 2025	Distillate Fuel Oil
Brame Energy Center	Cleco Power LLC	Lena, LA	3 TWh	May 1975	Jan 2025	Subbituminous Coal : 55.9% Natural Gas : 39.6% Petroleum Coke : 3.3% Bituminous Coal : 1.2%
Monroe (MI)	DTE Electric Company	Monroe, MI	13 TWh	Oct 1969	Jan 2025	Subbituminous Coal : 74.5% Bituminous Coal : 15.7% Petroleum Coke : 9.6%
J H Campbell	Consumers Energy Co - (MI)	West Olive, MI	8 TWh	Sep 1962	Jan 2025	Subbituminous Coal : 98.2% Bituminous Coal : 1.6%
Clay Boswell	ALLETE, Inc.	Cohasset, MN	4 TWh	Jun 1958	Jan 2025	Subbituminous Coal : 99.7%
Allen S King	Northern States Power Co - Minnesota	Oak Park Heights, MN	476 GWh	Feb 1958	Jan 2025	Subbituminous Coal : 99.5%
High Bridge	Northern States Power Co - Minnesota	St. Paul, MN	3 TWh	Apr 2008	Jan 2025	Natural Gas
Sherco Solar I	Northern States Power Co - Minnesota	Clear Lake, MN	34 GWh	-	Jan 2025	Solar
Dan E Karn	Consumers Energy Co - (MI)	Essexville, MI	65 GWh	Oct 1959	Jan 2025	Natural Gas : 91.6% Residual Fuel Oil : 8.4%
Coughlin Power Station	Cleco Power LLC	St Landry, LA	4 TWh	Mar 1961	Jan 2025	Natural Gas
Moselle	Cooperative Energy	Moselle, MS	2 TWh	Jul 1970	Jan 2025	Natural Gas
Wilmarth	Northern States Power Co - Minnesota	Mankato, MN	102 GWh	Aug 1948	Jan 2025	Non-biogenic Municipal Solid Waste : 54.2% Biogenic Municipal Solid Waste : 44.4% Natural Gas : 1.4%
Prairie Island	Northern States Power Co - Minnesota	Welch, MN	7 TWh	Jan 1974	Jan 2025	Nuclear
Sioux	Union Electric Co - (MO)	West Alton, MO	3 TWh	Apr 1967	Jan 2025	Subbituminous Coal : 76.4% Bituminous Coal : 23.4%
Sabine	Entergy Texas Inc.	Orange, TX	4 TWh	Dec 1961	Jan 2025	Natural Gas
Lewis Creek	Entergy Texas Inc.	Willis, TX	2 TWh	Nov 1970	Jan 2025	Natural Gas
Labadie	Union Electric Co - (MO)	Labadie, MO	14 TWh	May 1970	Jan 2025	Subbituminous Coal : 99.9%
Monticello Nuclear Facility	Northern States Power Co - Minnesota	Monticello, MN	5 TWh	May 1971	Jan 2025	Nuclear
Valley (WI)	Wisconsin Electric Power Co	Milwaukee, WI	436 GWh	May 1968	Jan 2025	Natural Gas
Muscatine Plant #1	Board of Water Electric & Communications	Muscatine, IA	566 GWh	Mar 1958	Jan 2025	Subbituminous Coal : 99.8%
Port Washington Generating Station	Wisconsin Electric Power Co	Port Washington, WI	7 TWh	Jun 2005	Jan 2025	Natural Gas
Pulliam	Wisconsin Public Service Corp	Green Bay, WI	56 GWh	Aug 1949	Jan 2025	Natural Gas
Manitowoc	Manitowoc Public Utilities	Manitowoc, WI	137 GWh	May 1955	Jan 2025	Wood/Wood Waste Solids : 97.3% Petroleum Coke : 1.2% Bituminous Coal : 1.0%
New Badger	City of Kaukauna	Kaukauna, WI	47 GWh	Dec 2013	Jan 2025	Water
R S Nelson	Entergy Louisiana LLC	Westlake, LA	1 TWh	Jan 1959	Jan 2025	Subbituminous Coal : 99.5%
Edgewater	Wisconsin Power & Light Co	Sheboygan, WI	2 TWh	Jun 1951	Jan 2025	Subbituminous Coal : 99.9%
Greenwood (MI)	DTE Electric Company	Avoca, MI	1 TWh	Jun 1979	Jan 2025	Natural Gas
Coal Creek	Rainbow Energy Center	Underwood, ND	8 TWh	May 1979	Jan 2025	Refined Coal
Waterford 3	Entergy Louisiana LLC	Killona, LA	7 TWh	Aug 1985	Jan 2025	Nuclear
Louisiana 1	Entergy Louisiana LLC	Baton Rouge, LA	3 TWh	Sep 1951	Jan 2025	Natural Gas : 75.6% Other Gas : 24.4%
R D Morrow	Cooperative Energy	Purvis, MS	3 TWh	Mar 1978	Jan 2025	Natural Gas
Lewis & Clark	Montana-Dakota Utilities Co	Richland, MT	2 GWh	Sep 1958	Jan 2025	Natural Gas
R M Schahfer	Northern Indiana Pub Serv Co	Wheatfield, IN	2 TWh	Nov 1976	Jan 2025	Bituminous Coal : 96.8% Natural Gas : 3.2%
Big Cajun 2	Louisiana Generating LLC	New Roads, LA	2 TWh	Jun 1981	Jan 2025	Subbituminous Coal : 50.9% Natural Gas : 49.1%
A B Brown	Southern Indiana Gas & Elec Co	Mount Vernon, IN	49 GWh	Feb 1979	Jan 2025	Natural Gas : 99.9%
R D Green	Big Rivers Electric Corp	Robards, KY	702 GWh	Nov 1979	Jan 2025	Natural Gas
River Bend	Entergy Louisiana LLC	St. Francisville, LA	8 TWh	May 1986	Jan 2025	Nuclear
Gibson	Duke Energy Indiana, LLC	Owensville, IN	10 TWh	Mar 1975	Jan 2025	Bituminous Coal : 99.7%
Big Stone	Otter Tail Power Co	Big Stone City, SD	2 TWh	Apr 1975	Jan 2025	Subbituminous Coal : 99.9%

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	770.1 GWh	4
#26	Associated Electric Cooperative, Inc.	22.7 TWh	47
#13	Duke Energy Carolinas	111.4 TWh	556
#51	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	858.5 TWh	2,305
#20	Public Service Company of Colorado	48.5 TWh	201
#5	Southwest Power Pool	296.1 TWh	762
#52	Southwestern Power Administration	3.9 TWh	31
#9	Tennessee Valley Authority	159.1 TWh	170

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	858.5 TWh	2,305
#2	Midcontinent Independent System Operator, Inc.	645.3 TWh	2,653
#3	Electric Reliability Council of Texas, Inc.	471.7 TWh	1,139
#5	Southwest Power Pool	296.1 TWh	762
#6	Southern Company Services, Inc. - Trans	252.0 TWh	393
#7	California Independent System Operator	188.6 TWh	1,943
#9	Tennessee Valley Authority	159.1 TWh	170
#10	Florida Power & Light Co.	147.6 TWh	159
#12	New York Independent System Operator	131.3 TWh	1,100
#13	Duke Energy Carolinas	111.4 TWh	556