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	Oct 2026
Annual Generation	677.7 TWh
Power Plants	3,095
Utilities	1,372
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 \| 37.1% Coal \| 26.2% Wind \| 15% Nuclear \| 13.8% Solar \| 6.1% Water \| 1.4% Other Fuel \| 0.5%

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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
Carlyle	City of Carlyle - (IL)	Carlyle, IL	208 MWh	Jul 1964	Dec 2025	Distillate Fuel Oil
Carmi	City of Carmi - (IL)	Carmi, IL	92 MWh	Nov 1948	Dec 2025	Distillate Fuel Oil
Carpenter	Entergy Arkansas LLC	Hot Springs, AR	147 GWh	Dec 1931	Dec 2025	Water
Carpenter Wind Farm LLC	Carpenter Wind Farm LLC	Remington, IN	467 GWh	Nov 2025	Jul 2026	Wind
Carroll Area Wind Farm	SRIV Partnership LLC	Templeton, IA	54 GWh	Dec 2014	Dec 2025	Wind
Carroll Wind Farm	MidAmerican Energy Co	Carroll, IA	557 GWh	Nov 2008	Dec 2025	Wind
Carstensen Wind	Carstensen Wind, LLC (Longroad)	Pipestone, MN	3 GWh	Nov 2004	Dec 2025	Wind
Carver Gladden CSG	Minnesota Solar CSG 8, LLC	Norwood Young America, MN	4 GWh	Mar 2018	Dec 2025	Solar
Carville Energy LLC	Carville Energy LLC	St Gabriel, LA	3 TWh	May 2003	Jul 2026	Natural Gas
Cascade	Cascade Municipal Utilities - (IA)	Cascade, IA	31 MWh	Mar 1951	Dec 2025	Distillate Fuel Oil
Cascade Creek	Rochester Public Utilities	Rochester, MN	33 GWh	May 1975	Dec 2025	Natural Gas : 98.4% Distillate Fuel Oil : 1.6%
Cascade Dam (MI)	Eagle Creek Renewable Energy, LLC	Grand Rapids, MI	4 GWh	Nov 1986	Dec 2025	Water
Casey City of	City of Casey - (IL)	Casey, IL	80 MWh	Apr 2002	Dec 2025	Distillate Fuel Oil
Casey Fork Solar, LLC	RWE Clean Energy	Texico, IL	38 GWh	-	Jul 2026	Solar
Cashton	Village of Cashton - (WI)	Cashton, WI	10 MWh	Jul 1932	Dec 2025	Distillate Fuel Oil : 98.3% Natural Gas : 1.7%
Cashton Greens Wind Farm	Cashton Greens Wind Farm LLC	Cashton, WI	10 GWh	Apr 2012	Dec 2025	Wind
Cashton Solar	Green Street Power Partners	Cashton, WI	3 GWh	Aug 2019	Dec 2025	Solar
Cass County Renewable Energy Center	Union Electric Co - (MO)	Beardstown, IL	308 GWh	Nov 2024	Jul 2026	Solar
Cassiopeia Community Solar	Geronimo Power	Glenwood, MN	2 GWh	Feb 2019	Dec 2025	Solar
Cassville Solar	Wisconsin Power & Light Co	Cassville, WI	100 GWh	Nov 2023	Jul 2026	Solar
Castle Rock	Wisconsin River Power Company	Adams, WI	83 GWh	Jul 1950	Dec 2025	Water
Cataract (MI)	Cataract Hydro, LLC	Gwinn, MI	5 GWh	Jan 1988	Dec 2025	Water
Caterpillar	Caterpillar Inc	Lafayette, IN	21 GWh	Nov 1983	Jul 2026	Natural Gas
Cattail (CSG)	Cattail Solar, LLC	Fulton, IL	4 GWh	May 2022	Dec 2025	Solar
Cavalry Solar Hybrid	Cavalry Energy Center LLC	Monon, IN	367 GWh	Apr 2024	Jul 2026	Solar
Cayuga	Duke Energy Indiana, LLC	Cayuga, IN	4 TWh	Sep 1970	Jul 2026	Bituminous Coal : 99.4%
CC Perry K	Citizens Thermal Energy	Indianapolis, IN	15 GWh	Dec 1924	Jul 2026	Natural Gas
CED Centerville Wind	RWE Clean Energy	Centerville, IA	26 GWh	Nov 2021	Dec 2025	Wind
CED Champaign Solar LLC	RWE Clean Energy	Champaign, IL	3 GWh	Jun 2020	Dec 2025	Solar
CED Manchester Wind	RWE Clean Energy	Manchester, IA	28 GWh	Mar 2022	Dec 2025	Wind
CED Mason City Wind	RWE Clean Energy	Mason City, IA	29 GWh	Apr 2020	Dec 2025	Wind
CED Peoria Solar	Bay4 Energy Services, LLC	Mapleton, IL	4 GWh	Apr 2021	Dec 2025	Solar
Cedar Falls Solar Farm	Altus Power America Management, LLC	Cedar Falls, IA	2 GWh	Mar 2016	Dec 2025	Solar
Cedar Falls (WI)	Northern States Power Co - Minnesota	Menomonie, WI	31 GWh	Dec 1909	Dec 2025	Water
Cedar Hills Wind Farm	Montana-Dakota Utilities Co	Rhame, ND	48 GWh	May 2010	Dec 2025	Wind
Cedar Rapids Community Solar	Interstate Power and Light Co	Cedar Rapids, IA	9 GWh	Jan 2024	Dec 2025	Solar
Cedar Ridge	Wisconsin Power & Light Co	Eden, WI	185 GWh	Nov 2008	Dec 2025	Wind
Cedarville (IL)	Generate Capital	Freeport, IL	4 GWh	Apr 2024	Dec 2025	Solar
Cement City Solar, LLC	AES Distributed Energy	Cement City, MI	32 GWh	Dec 2022	Dec 2025	Solar
Centaurus Community Solar	Centaurus Community Solar	Maynard, MN	3 GWh	Aug 2017	Dec 2025	Solar
Central Generating	North American Central - LLC	Pierson, MI	13 GWh	Aug 2018	Dec 2025	Landfill Gas
Central Michigan University	Central Michigan University	Mt. Pleasant, MI	28 GWh	Nov 1987	Jul 2026	Natural Gas
Century	MidAmerican Energy Co	Blairsburg, IA	609 GWh	Aug 2005	Dec 2025	Wind
Cereal City Solar, LLC	Cereal City Solar, LLC	Battle Creek, MI	204 GWh	Nov 2023	Jul 2026	Solar
Cerro Gordo Wind Farm	Cerro Gordo Wind Farm	Union, IA	170 GWh	Jul 2020	Jul 2026	Wind
CF Industries Yazoo City Complex	CF Industries Nitrogen LLC	Yazoo City, MS	88 GWh	Jun 1984	Jul 2026	Natural Gas
CF Novel Solar CSG Gardens Eleven, LLC	SunStrong Management, LLC	Mankato, MN	5 GWh	Nov 2017	Dec 2025	Solar
CF Novel Solar CSG Gardens Five, LLC	SunStrong Management, LLC	Waseca, MN	6 GWh	Nov 2017	Dec 2025	Solar
CF Novel Solar CSG Gardens Seven, LLC	SunStrong Management, LLC	Clear Lake, MN	4 GWh	Nov 2017	Dec 2025	Solar
CF Novel Solar CSG Gardens Two, LLC	SunStrong Management, LLC	Minnesota Lake, MN	3 GWh	Nov 2017	Dec 2025	Solar
CG Windfarm LLC	CG Windfarm LLC	Woodstock, MN	144 MWh	Nov 2003	Dec 2024	Wind
CGSun, LLC Community Solar	SunStrong Management, LLC	Cottage Grove, MN	6 GWh	Nov 2017	Dec 2025	Solar
Chalk Hill	Wisconsin Electric Power Co	Stephenson, MI	34 GWh	Apr 1927	Dec 2025	Water
Chalmette Refining LLC	Chalmette Refining LLC	Chalmette, LA	6 GWh	Feb 1990	Dec 2025	Other Fuel
Charles City Wind Farm	MidAmerican Energy Co	Charles City, IA	268 GWh	Mar 2008	Dec 2025	Wind
Chatham	City of Lowell - (MI)	Lowell, MI	103 MWh	Aug 2013	Dec 2025	Natural Gas
Cherry Valley PV I	Cherry Valley PV I, LLC	Cherry Valley, AR	129 GWh	-	Jul 2026	Solar
Chickadee G-3	Chickadee 3-G Purchaser LLC	Beaumont, TX	216 GWh	Feb 1987	Jul 2026	Natural Gas : 98.4% Waste/Other Oil : 1.6%
Chickasaw Wind Farm	MidAmerican Energy Co	New Hampton, IA	640 GWh	Nov 2023	Jul 2026	Wind
Chicot Solar	Chicot Solar, LLC	Lake Village, AR	210 GWh	Aug 2020	Jul 2026	Solar
Chippewa Falls	Northern States Power Co - Minnesota	Chippewa Falls, WI	56 GWh	Dec 1927	Dec 2025	Water
Chisago Community Solar	Chisago Community Solar	Taylor Falls, MN	6 GWh	Nov 2016	Dec 2025	Solar
Chisago Holdco LLC, CSG	Chisago Holdco LLC	Center City, MN	5 GWh	Apr 2019	Dec 2025	Solar
Chisago Solar	Enel Green Power NA, Inc.	North Branch, MN	11 GWh	Nov 2016	Dec 2025	Solar
Chub Garden Solar	Chub Garden LLC	Northfield, MN	2 GWh	Feb 2020	Dec 2025	Solar
Cisco	ALLETE Clean Energy	Brewster, MN	12 GWh	Jan 2008	Dec 2025	Wind
CITGO Refinery Powerhouse	CITGO Petroleum Corp	Sulphur, LA	224 GWh	Dec 1941	Dec 2025	Other Gas
City of Milwaukee Landfill	Wisconsin Electric Power Co	Milwaukee, WI	3 GWh	Jan 2021	Dec 2025	Solar
City of Peru Hydro-Electric Generating S	City of Peru - (IL)	Utica, IL	17 GWh	Aug 1996	Dec 2025	Water
City of Peru Plank Road Generating Station	City of Peru - (IL)	Peru, IL	19 GWh	Sep 1968	Jul 2026	Water : 96.9% Distillate Fuel Oil : 2.3% Jet Fuel : 0.7%
City of Peru Rail Generating Station	City of Peru - (IL)	Peru, IL	53 MWh	Aug 2011	Dec 2025	Distillate Fuel Oil
City of Peru Water Street Generating Sta	City of Peru - (IL)	Peru, IL	33 MWh	Sep 1968	Dec 2025	Jet Fuel
Clam River Dam	Zero6 Energy Hydro	Danbury, WI	5 GWh	Mar 1942	Dec 2025	Water
Clara City Solar	Clara City Solar LLC	Clara City, MN	2 GWh	Aug 2019	Dec 2025	Solar
Claude Vandyke	Wolverine Power Supply Coop	Dorr, MI	8 GWh	Dec 1966	Dec 2025	Natural Gas
Clay Boswell	ALLETE, Inc.	Cohasset, MN	6 TWh	Jun 1958	Jul 2026	Subbituminous Coal : 99.8%
Clay County Electrical Cooperative	Today's Power, Inc.	Corning, AR	2 GWh	Apr 2020	Dec 2025	Solar
Clay FC	Clay FC, LLC	Louisville, IL	4 GWh	Jun 2021	Dec 2025	Solar
Clear Garden CSG	Clear Garden LLC	Waseca, MN	2 GWh	Aug 2019	Dec 2025	Solar
Clearwater Paper APP CB	Clearwater Paper Corporation	Arkansas City, AR	123 GWh	Oct 1977	Dec 2025	Black Liquor : 58.1% Natural Gas : 41.5%
Clendenin A Community Solar, LLC CSG	Clendenin A Community Solar, LLC	Herrin, IL	4 GWh	Jun 2021	Dec 2025	Solar
Clinton LFGTE	Wabash Valley Power Assn, Inc	Clinton, IL	16 GWh	Jan 2006	Jul 2026	Landfill Gas
Clinton Power Station	Constellation Nuclear	Clinton, IL	8 TWh	Oct 1987	Jul 2026	Nuclear
Clinton Schools	Interstate Power and Light Co	Clinton, IA	9 MWh	Nov 2025	Dec 2025	Solar
Clinton Solar 2	Pivot Energy	Centralia, IL	4 GWh	Dec 2024	Dec 2025	Solar
Clinton Solar 2b	Pivot Energy	Centralia, IL	4 GWh	Oct 2024	Dec 2025	Solar
Clinton Solar 4 LLC CSG	Clinton Solar 4 LLC	Carlyle, IL	3 GWh	Sep 2020	Dec 2025	Solar
Clinton Solar 4b	Pivot Energy	Carlyle, IL	2 GWh	May 2025	Dec 2025	Solar
Coal Creek	Rainbow Energy Center	Underwood, ND	8 TWh	May 1979	Jul 2026	Refined Coal : 99.9%
Coffeen Solar BESS	Vistra Corp	Coffeen, IL	95 GWh	Nov 2024	Jul 2026	Solar
Coggon	Coggon Municipal Light Plant - (IA)	Coggon, IA	38 MWh	Sep 1957	Dec 2025	Distillate Fuel Oil
Cokato CSG	Cokato Holdco LLC	Cokato, MN	8 GWh	Jul 2021	Dec 2025	Solar
Coldwater Peaking Plant	Coldwater Board of Public Util	Coldwater, MI	2 GWh	Jun 2015	Dec 2025	Natural Gas
Coldwater River Solar	Coldwater River Solar, LLC	Coldwater, MI	241 GWh	Jun 2025	Jul 2026	Solar
Coldwater Solar, LLC	Coldwater Solar, LLC	Flint, MI	4 GWh	Nov 2020	Dec 2025	Solar
Colfax	DTE Electric Company	Fowlerville, MI	146 MWh	Oct 1969	Dec 2025	Distillate Fuel Oil
Columbia City Solar Park	Indiana Municipal Power Agency	Columbia City, IN	7 GWh	Mar 2021	Dec 2025	Solar
Columbia Energy Center	City of Columbia - (MO)	Columbia, MO	51 GWh	May 2001	Dec 2025	Natural Gas
Columbia (MO)	City of Columbia - (MO)	Columbia, MO	27 GWh	Dec 1956	Dec 2025	Landfill Gas : 69.6% Natural Gas : 30.4%
Columbia (WI)	Wisconsin Power & Light Co	Pardeville, WI	5 TWh	Apr 1975	Jul 2026	Subbituminous Coal : 99.9%

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	433.0 GWh	4
#26	Associated Electric Cooperative, Inc.	22.9 TWh	47
#13	Duke Energy Carolinas	113.4 TWh	578
#50	Duke Energy Progress West	4.6 TWh	15
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.2 TWh	25
#1	PJM Interconnection, LLC	890.9 TWh	2,806
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#5	Southwest Power Pool	314.5 TWh	876
#53	Southwestern Power Administration	3.5 TWh	37
#9	Tennessee Valley Authority	166.2 TWh	209

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	890.9 TWh	2,806
#2	Midcontinent Independent System Operator, Inc.	677.7 TWh	3,095
#3	Electric Reliability Council of Texas, Inc.	506.3 TWh	1,487
#5	Southwest Power Pool	314.5 TWh	876
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#7	California Independent System Operator	168.7 TWh	2,170
#9	Tennessee Valley Authority	166.2 TWh	209
#10	Florida Power & Light Co.	153.0 TWh	188
#12	New York Independent System Operator	134.1 TWh	1,334
#13	Duke Energy Carolinas	113.4 TWh	578