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
Industrial Park	City of Rock Falls - (IL)	Rock Falls, IL	615 MWh	Jun 2001	Dec 2024	Distillate Fuel Oil
Avenue A Generator Sets	City of Rock Falls - (IL)	Rock Falls, IL	161 MWh	Aug 2000	Dec 2024	Distillate Fuel Oil
Upper Sterling	City of Rock Falls - (IL)	Rock Falls, IL	9 GWh	May 1988	Dec 2024	Water
Rockford	City of Rockford- (IA)	Rockford, IA	4 MWh	Jul 1951	Dec 2024	Distillate Fuel Oil
Sibley One	City of Sibley - (IA)	Sibley, IA	42 MWh	Aug 1971	Dec 2024	Distillate Fuel Oil : 58.9% Natural Gas : 41.1%
Sibley No Two	City of Sibley - (IA)	Sibley, IA	38 MWh	Nov 1987	Dec 2024	Distillate Fuel Oil : 67.1% Natural Gas : 32.9%
Spencer Gas Turbine	City of Spencer - (IA)	Spencer, IA	651 MWh	Dec 1969	Dec 2024	Kerosene
Interstate	City of Springfield - (IL)	Springfield, IL	51 GWh	Aug 1997	Dec 2024	Natural Gas : 99.9%
Factory	City of Springfield - (IL)	Springfield, IL	79 MWh	Jul 1973	Oct 2024	Distillate Fuel Oil
Dallman	City of Springfield - (IL)	Springfield, IL	809 GWh	May 1968	Sep 2025	Bituminous Coal : 99.6%
Reynolds	City of Springfield - (IL)	Springfield, IL	81 MWh	Oct 1970	Dec 2024	Distillate Fuel Oil
St. Charles Power Plant	City of St Charles - (MN)	St. Charles, MN	71 MWh	Nov 2004	Dec 2024	Distillate Fuel Oil
St James	City of St James - (MN)	St James, MN	36 MWh	Jun 2002	Dec 2024	Distillate Fuel Oil
St Louis	City of St Louis - (MI)	St. Louis, MI	29 MWh	Dec 1918	Dec 2024	Water : 75.9% Distillate Fuel Oil : 24.1%
State Center	City of State Center - (IA)	State Center, IA	75 MWh	Jul 1972	Dec 2024	Distillate Fuel Oil : 63.9% Natural Gas : 36.1%
Story City	City of Story City - (IA)	Story City, IA	97 MWh	Dec 1963	Dec 2024	Distillate Fuel Oil : 89.6% Natural Gas : 10.4%
South Strawberry	City of Strawberry Point	Strawberry Point, IA	13 MWh	Dec 2001	Dec 2024	Distillate Fuel Oil
Gilliam South	City of Stuart - (IA)	Stuart, IA	2 MWh	Jan 2001	Dec 2024	Distillate Fuel Oil
Sullivan (IL)	City of Sullivan - (IL)	Sullivan, IL	255 MWh	May 1946	Sep 2025	Distillate Fuel Oil
Sumner	City of Sumner - (IA)	Sumner, IA	175 MWh	Jul 1956	Dec 2024	Distillate Fuel Oil
Thief River Falls	City of Thief River Falls	Thief River Falls, MN	3 GWh	Jul 1927	Dec 2024	Water : 99.6%
Tipton	City of Tipton - (IA)	Tipton, IA	69 MWh	Oct 1955	Dec 2024	Distillate Fuel Oil
Traer Wind Project	City of Traer - (IA)	Traer, IA	6 GWh	Sep 2010	Dec 2024	Wind
Truman	City of Truman	Truman, MN	39 MWh	Aug 1938	Dec 2024	Distillate Fuel Oil
Villisca Municipal Power Plant	City of Villisca - (IA)	Villisca, IA	7 MWh	May 2003	Dec 2024	Distillate Fuel Oil
Waterloo	City of Waterloo - (IL)	Waterloo, IL	491 MWh	May 1946	Dec 2024	Natural Gas : 68.9% Distillate Fuel Oil : 31.1%
Webster City	City of Webster City - (IA)	Webster City, IA	809 MWh	Mar 1972	Dec 2024	Distillate Fuel Oil
Wells IC	City of Wells - (MN)	Wells, MN	180 MWh	Oct 1950	Dec 2024	Natural Gas : 64.3% Distillate Fuel Oil : 35.7%
West Bend	City of West Bend	West Bent, IA	174 MWh	Nov 1954	Dec 2024	Distillate Fuel Oil
West Liberty	City of West Liberty - (IA)	West Liberty, IA	38 MWh	Sep 1974	Dec 2024	Distillate Fuel Oil
Westbrook	City of Westbrook	Westbrook, MN	9 MWh	Sep 2003	Dec 2024	Distillate Fuel Oil
Wilton	City of Wilton - (IA)	Wilton, IA	9 MWh	Dec 1991	Dec 2024	Distillate Fuel Oil
Windom	City of Windom	Windom, MN	23 MWh	May 1980	Dec 2024	Distillate Fuel Oil
Winterset	City of Winterset - (IA)	Winterset, IA	35 MWh	Jun 1956	Dec 2024	Natural Gas : 55.9% Distillate Fuel Oil : 44.1%
Worthington	City of Worthington - (MN)	Worthington, MN	9 GWh	Jan 2002	Dec 2024	Wind : 98.9% Distillate Fuel Oil : 1.1%
Riley Generating Station	City of Zeeland - (MI)	Zeeland, MI	169 MWh	Jun 2006	Dec 2024	Natural Gas
Municipal Power Plant	City of Zeeland - (MI)	Zeeland, MI	63 MWh	May 2002	Dec 2024	Natural Gas
Jonesboro City Water & Light Plant	City Water and Light Plant	Jonesboro, AR	78 GWh	Jun 1999	Dec 2024	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Jonesboro CWL Solar Park	City Water and Light Plant	Jonesboro, AR	22 GWh	May 2022	Dec 2024	Solar
Syncarpha Clara City CSG I (Stamer)	Clara City CSG I, LLC	Clara City, MN	2 GWh	Nov 2018	Dec 2024	Solar
Clara City Solar	Clara City Solar LLC	Clara City, MN	2 GWh	Aug 2019	Dec 2024	Solar
Crossroads Energy Center	Clarksdale Public Utilities	Clarksdale, MS	124 GWh	Jun 2002	Nov 2024	Natural Gas
Clay FC	Clay FC, LLC	Louisville, IL	4 GWh	Jun 2021	Dec 2024	Solar
Clear Garden CSG	Clear Garden LLC	Waseca, MN	2 GWh	Aug 2019	Dec 2024	Solar
Clearwater Paper APP CB	Clearwater Paper Corporation	Arkansas City, AR	126 GWh	Oct 1977	Dec 2024	Black Liquor : 61.7% Natural Gas : 38.1%
Brame Energy Center	Cleco Power LLC	Lena, LA	3 TWh	May 1975	Sep 2025	Subbituminous Coal : 49.0% Natural Gas : 32.2% Petroleum Coke : 13.6% Bituminous Coal : 5.2%
Coughlin Power Station	Cleco Power LLC	St Landry, LA	4 TWh	Mar 1961	Sep 2025	Natural Gas
Teche	Cleco Power LLC	Baldwin, LA	21 GWh	Jun 1953	Dec 2024	Natural Gas
Acadia Energy Center	Cleco Power LLC	Eunice, LA	6 TWh	Jun 2002	Sep 2025	Natural Gas
St. Mary Clean Energy Center	Cleco Power LLC	Centerville, LA	201 GWh	Jul 2019	Dec 2024	Waste Heat
Clendenin A Community Solar, LLC CSG	Clendenin A Community Solar, LLC	Herrin, IL	3 GWh	Jun 2021	Dec 2024	Solar
Indiana Harbor West	Cleveland Cliffs	East Chicago, IN	245 GWh	Sep 1939	Dec 2024	Natural Gas
Expander Turbine	Cleveland Cliffs	East Chicago, IN	85 GWh	Apr 1981	Sep 2025	Blast Furnace Gas
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%
Clinton Solar 4 LLC CSG	Clinton Solar 4 LLC	Carlyle, IL	3 GWh	Sep 2020	Dec 2024	Solar
Dafter	Cloverland Electric Co-op	Dafter, MI	3 GWh	Oct 1955	Dec 2024	Distillate Fuel Oil
Edison Sault	Cloverland Electric Co-op	Sault Ste. Marie, MI	199 GWh	Jun 1901	Dec 2024	Water
Manistique	Cloverland Electric Co-op	Manistique, MI	1 GWh	Jun 1960	Dec 2024	Distillate Fuel Oil
Detour	Cloverland Electric Co-op	Detour, MI	2 GWh	Sep 1973	Dec 2024	Distillate Fuel Oil
Livingston Generating Station	CMS Generation MI Power LLC	Gaylord, MI	20 GWh	May 1999	Dec 2024	Natural Gas
Kalamazoo River Generating Station	CMS Generation MI Power LLC	Comstock, MI	245 GWh	May 1999	Dec 2024	Natural Gas
Coggon	Coggon Municipal Light Plant	Coggon, IA	8 MWh	Sep 1957	Dec 2024	Distillate Fuel Oil
Cokato CSG	Cokato Holdco LLC	Cokato, MN	8 GWh	Jul 2021	Dec 2024	Solar
Heat Recovery Coke Facility	Cokenergy Inc	East Chicago, IN	438 GWh	Mar 1998	Sep 2025	Waste Heat
Coldwater Peaking Plant	Coldwater Board of Public Util	Coldwater, MI	288 MWh	Jun 2015	Dec 2024	Natural Gas
Coldwater River Solar	Coldwater River Solar, LLC	Coldwater, MI	14 GWh	-	Sep 2025	Solar
Coldwater Solar, LLC	Coldwater Solar, LLC	Flint, MI	4 GWh	Nov 2020	Dec 2024	Solar
Minwind	Community Renewables, LLC	Luverne, MN	276 MWh	Sep 2002	Dec 2024	Wind
Duke Building 98	Concord New Energy	Indianapolis, IN	4 GWh	Nov 2014	Dec 2024	Solar
Jefferson Solar Park	Concord New Energy	Jefferson, WI	918 MWh	Nov 2013	Oct 2024	Solar
Duke Building 129	Concord New Energy	Indianapolis, IN	4 GWh	Nov 2014	Dec 2024	Solar
Duke Building 87	Concord New Energy	Indianapolis, IN	3 GWh	Nov 2014	Dec 2024	Solar
Red Lake Falls Community Hybrid	Consolidated Edison Development Inc.	Red Lake Falls, MN	14 GWh	Nov 2020	Dec 2024	Wind : 95.1% Solar : 4.9%
CED Mason City Wind	Consolidated Edison Development Inc.	Mason City, IA	24 GWh	Apr 2020	Dec 2024	Wind
CED Champaign Solar LLC	Consolidated Edison Development Inc.	Champaign, IL	3 GWh	Jun 2020	Dec 2024	Solar
CED Centerville Wind	Consolidated Edison Development Inc.	Centerville, IA	27 GWh	Nov 2021	Dec 2024	Wind
CED Manchester Wind	Consolidated Edison Development Inc.	Manchester, IA	31 GWh	Mar 2022	Dec 2024	Wind
Windwalkers LLC	Consolidated Edison Development Inc.	Kensett, IA	3 GWh	Aug 2011	Oct 2024	Wind
Roeder Family Wind Farm LLC	Consolidated Edison Development Inc.	Manly, IA	5 GWh	Aug 2011	Dec 2024	Wind
Woodstock Windfarm	Consolidated Edison Development Inc.	Woodstock, MN	28 GWh	Apr 1999	Dec 2024	Wind
Valley View Transmission LLC	Consolidated Edison Development Inc.	Chandler, MN	8 GWh	Jun 2011	Dec 2024	Wind
Adams Wind Farm	Consolidated Edison Development Inc.	Adams, MN	20 GWh	Aug 2003	Dec 2024	Wind
Stevens Point	Consolidated Water Power Co	Stevens Point, WI	29 GWh	Dec 1917	Dec 2024	Water
Du Bay	Consolidated Water Power Co	Eau Pleine, WI	43 GWh	Dec 1941	Dec 2024	Water
Biron	Consolidated Water Power Co	Biron, WI	31 GWh	Dec 1895	Dec 2024	Water
Wisconsin Rapids	Consolidated Water Power Co	Wisconsin Rapids, WI	50 GWh	Dec 1902	Dec 2024	Water
Whiting	Consolidated Water Power Co	Whiting, WI	25 GWh	Dec 1890	Dec 2024	Water
Clinton Power Station	Constellation Nuclear	Clinton, IL	9 TWh	Oct 1987	Sep 2025	Nuclear
C W Tippy	Consumers Energy Co - (MI)	Wellston, MI	54 GWh	Dec 1917	Dec 2024	Water
J H Campbell	Consumers Energy Co - (MI)	West Olive, MI	8 TWh	Sep 1962	Sep 2025	Subbituminous Coal : 99.4%
Hodenpyl	Consumers Energy Co - (MI)	Mesick, MI	40 GWh	Jun 1925	Dec 2024	Water
Hardy	Consumers Energy Co - (MI)	Newaygo, MI	72 GWh	May 1931	Dec 2024	Water
Loud	Consumers Energy Co - (MI)	Oscoda, MI	17 GWh	Dec 1912	Dec 2024	Water
Foote	Consumers Energy Co - (MI)	Oscoda, MI	27 GWh	Dec 1917	Dec 2024	Water
Five Channels	Consumers Energy Co - (MI)	Oscoda, MI	23 GWh	Dec 1911	Dec 2024	Water
Dan E Karn	Consumers Energy Co - (MI)	Essexville, MI	91 GWh	Oct 1959	Sep 2025	Natural Gas : 93.0% Residual Fuel Oil : 7.0%
Mio	Consumers Energy Co - (MI)	Mio, MI	14 GWh	Dec 1915	Dec 2024	Water
Croton	Consumers Energy Co - (MI)	Newaygo, MI	29 GWh	Dec 1906	Dec 2024	Water
Cooke	Consumers Energy Co - (MI)	Oscoda, MI	25 GWh	Dec 1910	Dec 2024	Water
Allegan Dam	Consumers Energy Co - (MI)	Allegan, MI	12 GWh	Dec 1934	Dec 2024	Water

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