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	Jul 2026
Annual Generation	669.4 TWh
Power Plants	3,038
Utilities	1,345
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% Coal \| 26.5% Wind \| 14.9% Nuclear \| 13.9% Solar \| 5.7% Water \| 1.4% Other Fuel \| 0.6%

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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
Conagra Foods at St. Elmo	Luminace Solar Illinois 2, LLC	St. Elmo, IL	3 GWh	Dec 2020	Dec 2025	Solar
Concord	Wisconsin Electric Power Co	Watertown, WI	203 GWh	Jun 1993	Dec 2025	Natural Gas : 98.9% Distillate Fuel Oil : 1.1%
Connexus Solar Stanford 1STF	REA Investments, LLC	St. Francis, MN	13 GWh	Apr 2021	Dec 2025	Solar
Conrath DPC Solar	SoCore Energy LLC	Conrath, WI	1 GWh	May 2017	Dec 2025	Solar
Consumer Operations LLC	Georgia-Pacific Consumer Oper. Green Bay LLC	Green Bay, WI	239 GWh	Dec 1953	May 2026	Natural Gas
Contrail Wind Farm	MidAmerican Energy Co	Bedford, IA	341 GWh	Nov 2020	May 2026	Wind
Cooke	Consumers Energy Co - (MI)	Oscoda, MI	24 GWh	Dec 1910	Dec 2025	Water
Cooks Mill PV I	Cooks Mill PV I, LLC	Matoon, IL	45 GWh	-	May 2026	Solar
Coopersville	Energy Developments, Inc d/b/a EDL	Coopersville, MI	38 GWh	May 1994	Dec 2025	Landfill Gas
Coral Bells Solar, LLC	Geronimo Power	North Branch, MN	2 GWh	Nov 2020	Dec 2025	Solar
Coralville GT	MidAmerican Energy Co	Coralville, IA	2 GWh	May 1970	Dec 2025	Natural Gas
Corcoran CSG	Altus Power America Management, LLC	Corcoran, MN	8 GWh	Dec 2018	Dec 2025	Solar
Cornell	Northern States Power Co - Minnesota	Chippewa Falls, WI	70 GWh	Jun 1976	Dec 2025	Water
Cornillie	Terraform Arcadia	North Branch, MN	2 GWh	Jul 2018	Dec 2025	Solar
Cornillie 2 Community (CSG)	CleanCapital Holdings	North Branch, MN	2 GWh	Nov 2020	Dec 2025	Solar
Cornillie Solar CSG	Madison Energy Holdings LLC	North Branch, MN	2 GWh	Nov 2021	Dec 2025	Solar
Corning	City of Corning - (IA)	Corning, IA	6 MWh	May 1975	Dec 2025	Distillate Fuel Oil
Corvus Community Solar	Corvus Community Solar	Mankato, MN	8 GWh	Sep 2018	Dec 2025	Solar
Cottage Grove CSG, LLC	Ecoplexus, Inc	Cottage Grove, MN	7 GWh	Feb 2018	Dec 2025	Solar
Cottage Grove Project CSG	Madison Energy Investments LLC	Cottage Grove, MN	6 GWh	Sep 2018	Sep 2025	Solar
Cottonwood Energy Company LP	Cottonwood Energy Company LP	Deweyville, TX	5 TWh	Jun 2003	May 2026	Natural Gas
Coughlin Power Station	Cleco Power LLC	St Landry, LA	3 TWh	Mar 1961	May 2026	Natural Gas
Courtenay Wind Farm	Northern States Power Co - Minnesota	Courtenay, ND	128 GWh	Nov 2016	May 2026	Wind
Courtland CSG LLC	United States Solar Corporation	Courtland, MN	2 GWh	Jun 2023	Dec 2025	Solar
Covanta Hennepin Energy	Covanta Energy Co	Minneapolis, MN	195 GWh	Sep 1989	May 2026	Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8%
Coyote	Otter Tail Power Co	Beulah, ND	3 TWh	Apr 1981	May 2026	Lignite Coal : 99.8%
Craighead Electric Solar One	Today's Power, Inc.	Brookland, AR	2 GWh	Jul 2018	Dec 2025	Solar
Crane Creek Wind Energy Center	Wisconsin Public Service Corp	Riceville, IA	284 GWh	Nov 2009	Dec 2025	Wind
Crane Garden	Crane Garden LLC	Lester Prairie, MN	2 GWh	Oct 2023	Dec 2025	Solar
Crane Solar Facility	Duke Energy Indiana, LLC	Crane, IN	27 GWh	Dec 2016	Dec 2025	Solar
Crater Community Solar	Crater Community Solar	Granite Falls, MN	5 GWh	Nov 2017	Dec 2025	Solar
Crawfish River	Wisconsin Power & Light Co	Jefferson, WI	130 GWh	Nov 2023	May 2026	Solar
Crawfordsville 2 Solar Park	Indiana Municipal Power Agency	Crawfordsville, IN	13 GWh	Nov 2019	Dec 2025	Solar
Crawfordsville 3 Solar Park	Indiana Municipal Power Agency	Crawfordsville, IN	8 GWh	Nov 2019	Dec 2025	Solar
Crawfordsville 5 Solar Park	Indiana Municipal Power Agency	Crawfordsville, IN	16 GWh	Aug 2020	Dec 2025	Solar
Crawfordsville Solar Park 4	Indiana Municipal Power Agency	Crawfordsville, IN	3 GWh	May 2020	Dec 2025	Solar
CREE	Wisconsin Electric Power Co	Racine, WI	2 GWh	Jul 2021	Dec 2025	Solar
Crescent Wind Park	Consumers Energy Co - (MI)	Hillsdale, MI	359 GWh	Jan 2021	May 2026	Wind
Creston School Customer Hosted Solar	Interstate Power and Light Co	Creston, IA	1 GWh	Jul 2025	Dec 2025	Solar
Creston Solar (50 MW)	Interstate Power and Light Co	Creston, IA	96 GWh	Sep 2024	May 2026	Solar
Crocker Wind Farm	Crocker Wind Farm, LLC	Conde, SD	775 GWh	Oct 2019	May 2026	Wind
Crooked Creek PV I	Crooked Creek PV I, LLC	Salem, IL	42 GWh	-	May 2026	Solar
Crooked Lake Solar, LLC	Crooked Lake Solar, LLC	Blytheville, AR	391 GWh	Apr 2024	May 2026	Solar
Cross Winds Energy Park	Consumers Energy Co - (MI)	Unionville, MI	728 GWh	Nov 2014	Dec 2025	Wind
Crossett SD	Entegrity Solar Crossett SD, LLC	Crossett, AR	2 GWh	Apr 2022	Dec 2024	Solar
Crossett Solar	Cubico USA, LLC	Crossett, AR	207 GWh	Aug 2024	May 2026	Solar
Crossover Wind	Crossover Wind, LLC	Wynne, AR	402 GWh	May 2025	May 2026	Wind
Crossroads Energy Center	Clarksdale Public Utilities	Clarksdale, MS	65 GWh	Jun 2002	Dec 2025	Natural Gas
Crossroads Solar (IN)	Crossroads Solar, LLC - (IN)	Van Buren Township, IN	142 GWh	Nov 2025	May 2026	Solar
Croton	Consumers Energy Co - (MI)	Newaygo, MI	29 GWh	Dec 1906	Dec 2025	Water
Crowned Ridge Wind Energy Center	Crowned Ridge Wind, LLC	Watertown, SD	788 GWh	Nov 2019	May 2026	Wind
Crowned Ridge Wind II Energy Center	Northern States Power Co - Minnesota	Watertown, SD	847 GWh	Nov 2020	May 2026	Wind
Crux Community Solar	Geronimo Power	Kasson, MN	2 GWh	Dec 2018	Dec 2025	Solar
Crystal Falls	City of Crystal Falls - (MI)	Crystal Falls, MI	5 GWh	May 1914	Dec 2025	Water
Crystal Lake 3 LLC	Crystal Lake 3 LLC	Britt, IA	231 GWh	Nov 2009	May 2026	Wind
Cumberland Rose	Cumberland Rose Wind Energy, LLC	Orient, IA	4 GWh	Jul 2012	Dec 2025	Wind
Cumberland Solar	Green Street Power Partners	Cumberland, WI	4 GWh	Aug 2019	Dec 2025	Solar
Cumberland (WI)	City of Cumberland - (WI)	Cumberland, WI	269 MWh	Jul 1939	Dec 2025	Distillate Fuel Oil : 62.7% Natural Gas : 37.3%
Custer Energy Center	Manitowoc Public Utilities	Manitowoc, WI	4 GWh	May 1999	Dec 2025	Natural Gas
D B Wilson	Big Rivers Electric Corp	Centertown, KY	2 TWh	Aug 1984	May 2026	Bituminous Coal : 99.0% Distillate Fuel Oil : 1.0%
D G Hunter	City of Alexandria - (LA)	Alexandria, LA	91 GWh	Apr 1965	Dec 2025	Natural Gas
Dafter	Cloverland Electric Co-op	Dafter, MI	3 GWh	Oct 1955	Dec 2025	Distillate Fuel Oil
Dakota Community Solar One LLC CSG	Madison Energy Holdings LLC	Farmington, MN	1 GWh	Nov 2019	Dec 2025	Solar
Dakota Range Wind	Northern States Power Co - Minnesota	Marvin, SD	984 GWh	Dec 2021	May 2026	Wind
Dallman	City of Springfield - (IL)	Springfield, IL	828 GWh	May 1968	May 2026	Bituminous Coal : 99.5% Natural Gas : 0.5%
Dam 2	Arkansas Electric Coop Corp	Dumas, AR	385 GWh	May 1999	Dec 2025	Water
Dan E Karn	Consumers Energy Co - (MI)	Essexville, MI	72 GWh	Oct 1959	May 2026	Natural Gas : 93.2% Residual Fuel Oil : 6.8%
Danbury Dam	Zero6 Energy Hydro	Danbury, WI	2 GWh	Dec 1920	Dec 2025	Water
Dane County Airport Solar	Madison Gas & Electric Co	Madison, WI	17 GWh	Nov 2020	Dec 2025	Solar
Dane County Solar LLC	Dane County Solar LLC	Cottage Grove, WI	34 GWh	May 2023	Dec 2025	Solar
Danielson Wind Farms LLC	BEAM US, LLC	Cosmos, MN	56 GWh	Feb 2011	Dec 2025	Wind
Darien Solar	Wisconsin Electric Power Co	Darien, WI	366 GWh	Feb 2025	May 2026	Solar
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%
Dayton Hydro	Eagle Creek Renewable Energy, LLC	Ottawa, IL	10 GWh	Dec 1924	Dec 2025	Water
Dayton (IA)	City of Dayton - (IA)	Dayton, IA	2 MWh	Sep 2000	Dec 2025	Distillate Fuel Oil
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%
Dean	DTE Electric Company	East China, MI	705 GWh	May 2002	Dec 2025	Natural Gas
Dearborn Energy Center	DTE Electric Company	Dearborn, MI	237 GWh	Nov 2019	Dec 2025	Natural Gas
Dearborn Industrial Generation	Dearborn Industrial Gen Inc	Dearborn, MI	5 TWh	May 1999	May 2026	Natural Gas : 96.5% Blast Furnace Gas : 3.5%
Decatur Co. Solar RES (IN)	Hoosier Energy R E C, Inc	Greensburg, IN	2 GWh	Aug 2017	Dec 2025	Solar
Deercroft I & II LFGTE	Wabash Valley Power Assn, Inc	Michigan City, IN	19 GWh	Jul 1999	Dec 2025	Landfill Gas
Deerfield Wind Energy 2	Deerfield Wind Energy 2, LLC	Port Hope, MI	280 GWh	Feb 2023	May 2026	Wind
Deerfield Wind Energy, LLC	Deerfield Wind Energy, LLC	Kinde, MI	477 GWh	Jan 2017	May 2026	Wind
Deertrack Park Gas Recovery	WM Renewable Energy LLC	Watertown, WI	33 GWh	Jan 2006	Dec 2025	Landfill Gas
Degray	USCE -Vickburg District	Arkadelphia, AR	87 GWh	Jan 1972	May 2026	Water
Delano	Delano Municipal Utilities (MN)	Delano, MN	53 MWh	Sep 1946	Dec 2025	Distillate Fuel Oil
Dells	Northern States Power Co - Minnesota	Eau Claire, WI	37 GWh	Dec 1922	Dec 2025	Water
Delphinus Community Solar	Delphinus Community Solar	Sauk Rapids, MN	3 GWh	Feb 2018	Dec 2025	Solar
Delray	DTE Electric Company	Detroit, MI	145 GWh	Jan 2000	Dec 2025	Natural Gas
Delta Energy Park	Lansing Board of Water and Light	Lansing, MI	1 TWh	Feb 2022	May 2026	Natural Gas
Delta's Edge Solar	Cubico USA, LLC	Greenwood, MS	145 GWh	Oct 2023	May 2026	Solar
Delta Solar Power I	Delta Solar Power I, LLC	Grand Ledge, MI	13 GWh	May 2018	Dec 2025	Solar
Delta Solar Power II	Delta Solar Power II, LLC	Grand Ledge, MI	25 GWh	Jun 2018	Dec 2025	Solar
Delta Wind Farm (MS)	AES Clean Energy	Dundee, MS	514 GWh	Mar 2024	May 2026	Wind
Demille Solar Farm	DTE Electric Company	Lapeer, MI	37 GWh	Apr 2017	May 2026	Solar
Deneb Community Solar	Geronimo Power	Belgrade, MN	2 GWh	Apr 2019	Dec 2024	Solar
DePue Holdings, LLC	DePue Holdings, LLC	DePue, IL	35 GWh	Jan 2023	Dec 2025	Solar
DeRidder Mill	Packaging Corporation of America	DeRidder, LA	405 GWh	Sep 1969	Dec 2025	Black Liquor : 44.6% Wood/Wood Waste Solids : 37.8% Natural Gas : 17.6%
Des Moines Wastewater Reclamation Fac	Des Moines Metro WRF	Des Moines, IA	74 MWh	Jun 1991	Dec 2025	Natural Gas
Detour	Cloverland Electric Co-op	Detour, MI	2 GWh	Sep 1973	Dec 2025	Distillate Fuel Oil

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	442.5 GWh	4
#26	Associated Electric Cooperative, Inc.	23.4 TWh	47
#13	Duke Energy Carolinas	112.6 TWh	577
#50	Duke Energy Progress West	4.5 TWh	15
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	33.9 TWh	25
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#5	Southwest Power Pool	306.8 TWh	856
#53	Southwestern Power Administration	4.1 TWh	34
#9	Tennessee Valley Authority	163.4 TWh	207

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#2	Midcontinent Independent System Operator, Inc.	669.4 TWh	3,038
#3	Electric Reliability Council of Texas, Inc.	494.1 TWh	1,471
#5	Southwest Power Pool	306.8 TWh	856
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#7	California Independent System Operator	169.4 TWh	2,135
#9	Tennessee Valley Authority	163.4 TWh	207
#10	Florida Power & Light Co.	152.2 TWh	187
#12	New York Independent System Operator	134.3 TWh	1,299
#13	Duke Energy Carolinas	112.6 TWh	577