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
Chatham	City of Lowell - (MI)	Lowell, MI	42 MWh	Aug 2013	Dec 2024	Natural Gas
Charles City Wind Farm	MidAmerican Energy Co	Charles City, IA	274 GWh	Mar 2008	Dec 2024	Wind
Chalk Hill	Wisconsin Electric Power Co	Stephenson, MI	14 GWh	Apr 1927	Dec 2024	Water
CGSun, LLC Community Solar	Cypress Creek Renewables	Cottage Grove, MN	7 GWh	Nov 2017	Dec 2024	Solar
CG Windfarm LLC	CG Windfarm LLC	Woodstock, MN	144 MWh	Nov 2003	Dec 2024	Wind
CF Novel Solar CSG Gardens Two, LLC	Cypress Creek Renewables	Minnesota Lake, MN	3 GWh	Nov 2017	Dec 2024	Solar
CF Novel Solar CSG Gardens Seven, LLC	Cypress Creek Renewables	Clear Lake, MN	5 GWh	Nov 2017	Dec 2024	Solar
CF Novel Solar CSG Gardens Five, LLC	Cypress Creek Renewables	Waseca, MN	6 GWh	Nov 2017	Dec 2024	Solar
CF Novel Solar CSG Gardens Eleven, LLC	Cypress Creek Renewables	Mankato, MN	5 GWh	Nov 2017	Dec 2024	Solar
CF Industries Yazoo City Complex	CF Industries Nitrogen LLC	Yazoo City, MS	153 GWh	Jun 1984	Sep 2025	Natural Gas
Cerro Gordo Wind Farm	Cerro Gordo Wind Farm	Union, IA	165 GWh	Jul 2020	Sep 2025	Wind
Cereal City Solar, LLC	Cereal City Solar, LLC	Battle Creek, MI	197 GWh	Nov 2023	Sep 2025	Solar
Century	MidAmerican Energy Co	Blairsburg, IA	572 GWh	Aug 2005	Dec 2024	Wind
Central Michigan University	Central Michigan University	Mt. Pleasant, MI	30 GWh	Nov 1987	Sep 2025	Natural Gas
Central Generating	North American Central - LLC	Pierson, MI	15 GWh	Aug 2018	Dec 2024	Landfill Gas
Centaurus Community Solar	Centaurus Community Solar	Maynard, MN	3 GWh	Aug 2017	Dec 2024	Solar
Cement City Solar, LLC	AES Distributed Energy	Cement City, MI	37 GWh	Dec 2022	Dec 2024	Solar
Cedarville (IL)	Generate Capital	Freeport, IL	1 GWh	Apr 2024	Dec 2024	Solar
Cedar Ridge	Wisconsin Power & Light Co	Eden, WI	175 GWh	Nov 2008	Dec 2024	Wind
Cedar Rapids Community Solar	Interstate Power and Light Co	Cedar Rapids, IA	8 GWh	Jan 2024	Dec 2024	Solar
Cedar Hills Wind Farm	Montana-Dakota Utilities Co	Rhame, ND	56 GWh	May 2010	Dec 2024	Wind
Cedar Falls (WI)	Northern States Power Co - Minnesota	Menomonie, WI	34 GWh	Dec 1909	Dec 2024	Water
Cedar Falls Solar Farm	Altus Power America Management, LLC	Cedar Falls, IA	2 GWh	Mar 2016	Dec 2024	Solar
CED Peoria Solar	Bay4 Energy Services, LLC	Mapleton, IL	4 GWh	Apr 2021	Dec 2024	Solar
CED Mason City Wind	Consolidated Edison Development Inc.	Mason City, IA	24 GWh	Apr 2020	Dec 2024	Wind
CED Manchester Wind	Consolidated Edison Development Inc.	Manchester, IA	31 GWh	Mar 2022	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
CC Perry K	Citizens Thermal Energy	Indianapolis, IN	6 GWh	Dec 1924	Sep 2025	Natural Gas
Cayuga	Duke Energy Indiana, LLC	Cayuga, IN	4 TWh	Sep 1970	Aug 2025	Bituminous Coal : 99.6%
Cavalry Solar Hybrid	Cavalry Energy Center LLC	Monon, IN	372 GWh	Apr 2024	Sep 2025	Solar
Cattail (CSG)	Cattail Solar, LLC	Fulton, IL	3 GWh	May 2022	Dec 2024	Solar
Caterpillar	Caterpillar Inc	Lafayette, IN	23 GWh	Nov 1983	Sep 2025	Natural Gas
Cataract (MI)	Cataract Hydro, LLC	Gwinn, MI	5 GWh	Jan 1988	Dec 2024	Water
Castle Rock	Wisconsin River Power Company	Adams, WI	92 GWh	Jul 1950	Dec 2024	Water
Cassville Solar	Wisconsin Power & Light Co	Cassville, WI	98 GWh	Nov 2023	Sep 2025	Solar
Cassiopeia Community Solar	National Grid Renewables	Glenwood, MN	2 GWh	Feb 2019	Dec 2024	Solar
Cass County Renewable Energy Center	Union Electric Co - (MO)	Beardstown, IL	281 GWh	Nov 2024	Sep 2025	Solar
Cashton Solar	Butter Solar, LLC	Cashton, WI	3 GWh	Aug 2019	Dec 2024	Solar
Cashton Greens Wind Farm	Cashton Greens Wind Farm LLC	Cashton, WI	11 GWh	Apr 2012	Dec 2024	Wind
Cashton	Village of Cashton - (WI)	Cashton, WI	8 MWh	Jul 1932	Dec 2024	Distillate Fuel Oil : 98.9% Natural Gas : 1.1%
Casey City of	City of Casey - (IL)	Casey, IL	61 MWh	Apr 2002	Dec 2024	Distillate Fuel Oil
Cascade Dam (MI)	Eagle Creek Renewable Energy, LLC	Grand Rapids, MI	3 GWh	Nov 1986	Dec 2024	Water
Cascade Creek	Rochester Public Utilities	Rochester, MN	29 GWh	May 1975	Dec 2024	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Cascade	Cascade Municipal Utilities	Cascade, IA	73 MWh	Mar 1951	Dec 2024	Distillate Fuel Oil : 62.7% Natural Gas : 37.3%
Carville Energy LLC	Carville Energy LLC	St Gabriel, LA	3 TWh	May 2003	Sep 2025	Natural Gas
Carver Gladden CSG	Minnesota Solar CSG 8, LLC	Norwood Young America, MN	5 GWh	Mar 2018	Dec 2024	Solar
Carstensen Wind	Carstensen Wind, LLC (Longroad)	Pipestone, MN	2 GWh	Nov 2004	Dec 2024	Wind
Carroll Wind Farm	MidAmerican Energy Co	Carroll, IA	563 GWh	Nov 2008	Dec 2024	Wind
Carroll Area Wind Farm	SRIV Partnership LLC	Templeton, IA	54 GWh	Dec 2014	Dec 2024	Wind
Carpenter	Entergy Arkansas LLC	Hot Springs, AR	102 GWh	Dec 1931	Dec 2024	Water
Caro	Thumb Electric Coop of Mich	Caro, MI	6 MWh	Jul 1949	Dec 2023	Distillate Fuel Oil
Carmi	City of Carmi - (IL)	Carmi, IL	230 MWh	Nov 1948	Dec 2024	Distillate Fuel Oil
Carlyle	City of Carlyle - (IL)	Carlyle, IL	231 MWh	Jul 1964	Dec 2024	Distillate Fuel Oil
Carlson Community (CSG)	Carlson Community Solar	Lindstrom, MN	1 GWh	Sep 2020	Dec 2024	Solar
Carleton College	Carleton College	Northfield, MN	8 GWh	Aug 2004	Dec 2024	Wind : 99.8%
Carina Community Solar	Carina Community Solar	Zumbro Falls, MN	6 GWh	Jan 2018	Dec 2024	Solar
Cargill Salt Hersey	Cargill Salt Hersey	Hersey, MI	318 MWh	Aug 1998	Dec 2023	Natural Gas
Cargill Corn Milling Division	Cargill Inc North America Sweetners	Eddyville, IA	110 GWh	Nov 1952	Dec 2024	Natural Gas
Cardinal Point Wind	Cardinal Point LLC	Sciota, IL	509 GWh	Feb 2020	Sep 2025	Wind
Captain Solar, LLC	Captain Solar, LLC	Mt. Morris, MI	4 GWh	Nov 2020	Dec 2024	Solar
Capricornus Community Solar Garden	National Grid Renewables	Paynsville, MN	2 GWh	Dec 2018	Dec 2024	Solar
Capella Community Solar	Capella Community Solar	Pipestone, MN	9 GWh	Sep 2017	Dec 2024	Solar
Cape Girardeau Renewable Energy Center	Union Electric Co - (MO)	Cape Girardeau, MO	2 GWh	Oct 2021	Dec 2024	Solar
Canopus Community Solar	National Grid Renewables	Belgrade, MN	2 GWh	Feb 2019	Dec 2024	Solar
Cannon Garden Solar	Cannon Garden LLC	Faribault, MN	2 GWh	Dec 2019	Dec 2024	Solar
Cannon Falls Energy Center	Invenergy Services LLC	Cannon Falls, MN	899 GWh	Mar 2008	Sep 2025	Natural Gas
Cannelton Hydroelectric Plant	American Mun Power-Ohio, Inc	Hawesville, KY	416 GWh	Dec 2015	Dec 2024	Water
Camp Ripley Solar	Camp Riley Solar Facility	Little Falls, MN	15 GWh	Oct 2016	Dec 2024	Solar
Camp Atterbury Microgrid Hybrid	Duke Energy Indiana, LLC	Edinburgh, IN	3 GWh	Oct 2019	Dec 2024	Solar
Camellia Solar, LLC	National Grid Renewables	Glenwood, MN	2 GWh	Nov 2020	Dec 2024	Solar
Cambridge CT Hybrid	Great River Energy	Cambridge, MN	36 GWh	Apr 1978	Dec 2024	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Callaway	Union Electric Co - (MO)	Fulton, MO	8 TWh	Nov 1984	Sep 2025	Nuclear
California Ridge Wind Energy LLC	SunEdison LLC	Fithian, IL	669 GWh	Nov 2012	Sep 2025	Wind
Calhoun Solar	Invenergy Services LLC	Battle Creek, MI	337 GWh	Nov 2022	Sep 2025	Solar
Calhoun County Solar Project	AES Clean Energy	Sheridan Township, MI	179 GWh	-	Sep 2025	Solar
Caldron Falls	Wisconsin Public Service Corp	Town of Stephenson, WI	14 GWh	Oct 1924	Dec 2024	Water
Calcasieu	Entergy Louisiana LLC	Sulphur, LA	94 GWh	Apr 2000	Nov 2024	Natural Gas
Caelum Community Solar	Caelum Community Solar	Foley, MN	3 GWh	Sep 2017	Dec 2024	Solar
Cadillac Renewable Energy	Cadillac Renewable Energy LLC	Cadillac, MI	136 GWh	Jul 1993	Dec 2024	Wood/Wood Waste Solids
C W Tippy	Consumers Energy Co - (MI)	Wellston, MI	54 GWh	Dec 1917	Dec 2024	Water
C&L	Today's Power, Inc.	Star City, AR	2 GWh	May 2020	Dec 2024	Solar
Byrne Solar, LLC	Byrne Solar, LLC	Lowell, MI	10 GWh	Sep 2023	Dec 2024	Solar
Butler Ridge	Butler Ridge Wind Energy Center	Mayville, WI	140 GWh	Jan 2009	Sep 2025	Wind
Bushnell	City of Bushnell - (IL)	Bushnell, IL	49 MWh	May 1940	Dec 2024	Distillate Fuel Oil
Burlington (IA)	Interstate Power and Light Co	Burlington, IA	14 GWh	May 1968	Sep 2025	Natural Gas
Bunker Hill Solar	SoCore Energy LLC	Lyndon, IL	4 GWh	Oct 2021	Dec 2024	Solar
Bullhead Solar, LLC	Bullhead Solar, LLC	Fayette, MI	4 GWh	Dec 2020	Dec 2024	Solar
Bulldog	Bulldog Wind Energy, LLC	Orient, IA	4 GWh	Sep 2010	Dec 2024	Wind
Buffalo Ridge Wind	Buffalo Ridge Wind, LLC	Lake Benton, MN	432 GWh	Nov 2022	Sep 2025	Wind
Buffalo Ridge II LLC	Avangrid Power LLC	Elkton, SD	454 GWh	Nov 2010	Sep 2025	Wind
Buffalo Ridge I LLC	Avangrid Power LLC	Elkton, SD	100 GWh	Mar 2009	Sep 2025	Wind
Buffalo Lake CSG1, LLC	Nautilus Solar Solutions	Buffalo Lake, MN	2 GWh	Jul 2021	Dec 2024	Solar
Buffalo Garden	Buffalo Garden LLC	Waseca, MN	2 GWh	Feb 2020	Dec 2024	Solar
Buffalo Center Wind LLC	Buffalo Center Wind LLC	Little Cedar, IA	5 GWh	Oct 2011	Dec 2024	Wind
Bryon Center	Energy Developments, Inc d/b/a EDL	Byron Center, MI	29 GWh	Feb 2009	Dec 2024	Landfill Gas
Brule	Wisconsin Electric Power Co	Florence, WI	16 GWh	Dec 1918	Dec 2024	Water
Brown County Wind Turbine	Adams Electric Cooperative	Mount Sterling, IL	1 GWh	Aug 2011	Apr 2024	Wind
Brooten CSG1, LLC	Nautilus Solar Solutions	Brooten, MN	2 GWh	Jul 2021	Dec 2024	Solar
Brooklyn City North Plant	City of Brooklyn - (IA)	Brooklyn, IA	14 MWh	Apr 2002	Dec 2024	Distillate Fuel Oil

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