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	Jul 2025
Annual Generation	647.6 TWh
Power Plants	2,788
Utilities	1,282
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 \| 36.5% Coal \| 28.3% Wind \| 15.4% Nuclear \| 14.1% Solar \| 3.6% Water \| 1.6% 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
Hy-Vee Customer Hosted 2.25MW Solar	Interstate Power and Light Co	Chariton, IA	2 GWh	Jun 2024	Dec 2024	Solar
Merl Parr	MidAmerican Energy Co	Charles City, IA	432 MWh	Apr 1969	Dec 2024	Natural Gas
Charles City Wind Farm	MidAmerican Energy Co	Charles City, IA	274 GWh	Mar 2008	Dec 2024	Wind
Minnesota River	Minnesota Municipal Power Agny	Chaska, MN	6 GWh	Apr 2001	Dec 2024	Natural Gas
ESIL-PFCHICAGO 2, LLC	Madison Energy Holdings LLC	Chicago, IL	2 GWh	Oct 2020	Dec 2024	Solar
ESIL-PFCHICAGO 3, LLC	Madison Energy Holdings LLC	Chicago, IL	2 GWh	Jul 2020	Dec 2024	Solar
Belle River	DTE Electric Company	China Twp, MI	8 TWh	Oct 1981	Apr 2025	Subbituminous Coal : 90.9% Natural Gas : 8.7%
Wissota	Northern States Power Co - Minnesota	Chippewa Falls, WI	136 GWh	Dec 1916	Dec 2024	Water
Chippewa Falls	Northern States Power Co - Minnesota	Chippewa Falls, WI	63 GWh	Dec 1927	Dec 2024	Water
Cornell	Northern States Power Co - Minnesota	Chippewa Falls, WI	82 GWh	Jun 1976	Dec 2024	Water
Lake Hallie	Standard Solar	Chippewa Falls, WI	1 MWh	-	Dec 2024	Solar
Lafayette DPC Solar	SoCore Energy LLC	Chippewa Falls, WI	2 GWh	May 2017	Dec 2024	Solar
USS Cheyenne Solar LLC CSG	Standard Solar	Chisago City, MN	2 GWh	Nov 2019	Dec 2024	Solar
Erin Garden Solar	Erin Garden LLC	City of Green Isle, MN	2 GWh	Mar 2020	Dec 2024	Solar
Sagitta Community Solar	National Grid Renewables	Clara City, MN	2 GWh	Nov 2018	Dec 2024	Solar
Syncarpha Clara City CSG I (Stamer)	Clara City CSG I, LLC	Clara City, MN	2 GWh	Nov 2018	Dec 2024	Solar
USS Pheasant Solar LLC CSG	United States Solar Corporation	Clara City, MN	2 GWh	Oct 2020	Dec 2024	Solar
Clara City Solar	Clara City Solar LLC	Clara City, MN	2 GWh	Aug 2019	Dec 2024	Solar
Andresen Solar	Ballantyne LLC	Clara City, MN	2 GWh	Dec 2022	Dec 2024	Solar
Kaus Community Solar	National Grid Renewables	Claremont, MN	2 GWh	Dec 2018	Dec 2024	Solar
Aries Community Solar	Aries Community Solar	Claremont, MN	7 GWh	Sep 2017	Dec 2024	Solar
Novel Handeland Solar LLC (CSG)	REA Investments, LLC	Clarkfield, MN	2 GWh	May 2022	Dec 2024	Solar
Crossroads Energy Center	Clarksdale Public Utilities	Clarksdale, MS	123 GWh	Jun 2002	Dec 2024	Natural Gas
Emery Station	Interstate Power and Light Co	Clear Lake, IA	2 TWh	Apr 2004	Apr 2025	Natural Gas
CF Novel Solar CSG Gardens Seven, LLC	Cypress Creek Renewables	Clear Lake, MN	5 GWh	Nov 2017	Dec 2024	Solar
SolarClub 15 LLC	Nautilus Solar Solutions	Clear Lake, MN	2 GWh	Nov 2020	Dec 2024	Solar
Hammer Community (CSG)	Hammer Community Solar LLC	Clear Lake, MN	2 GWh	Jul 2020	Dec 2024	Solar
Gohman Community Solar (CSG)	Gohman Community Solar LLC	Clear Lake, MN	2 GWh	Jan 2020	Dec 2024	Solar
E. Goenner Project CSG	E. Goenner Community Solar LLC	Clear Lake, MN	1 GWh	Nov 2019	Dec 2024	Solar
Tiller CSG	DG Minnesota CSG, LLC	Clear Lake, MN	8 GWh	Nov 2018	Dec 2024	Solar
Hammer CSG	DG Minnesota CSG, LLC	Clear Lake, MN	6 GWh	Nov 2018	Dec 2024	Solar
USS Golly Gee Solar LLC	United States Solar Corporation	Clear Lake, MN	2 GWh	Jun 2023	Dec 2024	Solar
Sobania Community Solar LLC	Madison Energy Holdings LLC	Clear Lake, MN	2 GWh	Aug 2020	Dec 2024	Solar
Sherburne Community Solar	AEP Onsite Partners, LLC	Clear Lake, MN	8 GWh	Feb 2018	Apr 2025	Solar
Prawer Project CSG	Prawer Community Solar LLC	Clear Lake, MN	2 GWh	Dec 2019	Dec 2024	Solar
Sherco Solar I	Northern States Power Co - Minnesota	Clear Lake, MN	136 GWh	Sep 2024	Apr 2025	Solar
Deuel Harvest Wind Energy LLC	Southern Power Co	Clear Lake, SD	1 TWh	Jan 2021	Apr 2025	Wind
August Wind Farm	August Wind Energy, LLC	Clearfield, IA	6 GWh	Jan 2017	Dec 2024	Wind
Birch	Birch Power LLC	Clearfield, IA	7 GWh	Jan 2017	Dec 2024	Wind
Hinterland CSG, LLC	Madison Energy Holdings LLC	Clearlake, MN	2 GWh	Oct 2020	Dec 2024	Solar
Glaciers Edge Wind Project	EDF Renewable Asset Holdings, Inc.	Cleghorn, IA	867 GWh	Nov 2019	Apr 2025	Wind
MN CSG 2019-38 DE LLC	MN CSG 2019-38 DE LLC	Cleveland, MN	2 GWh	Oct 2022	Dec 2024	Solar
Red Maple Solar	Terraform Arcadia	Cleveland, MN	5 GWh	May 2018	Dec 2024	Solar
Security	TX LFG Energy, LP	Cleveland, TX	6 GWh	Feb 2003	Dec 2024	Landfill Gas
Pivot Energy Minnesota Solar 1	Pivot Energy	Clinton Falls, MN	919 MWh	May 2023	Dec 2023	Solar
Petit Jean	Today's Power, Inc.	Clinton, AR	2 GWh	Nov 2023	Dec 2024	Solar
Clinton LFGTE	Wabash Valley Power Assn, Inc	Clinton, IL	13 GWh	Jan 2006	Apr 2025	Landfill Gas
Clinton Power Station	Constellation Nuclear	Clinton, IL	10 TWh	Oct 1987	Apr 2025	Nuclear
Archer Daniels Midland Clinton	Archer Daniels Midland Co	Clinton, IA	793 GWh	Jan 2009	Apr 2025	Subbituminous Coal : 90.4% Other Biomass Solids : 8.9% Bituminous Coal : 0.7%
May Shannon Solar, LLC	May Shannon Solar, LLC	Clio, MI	4 GWh	Nov 2020	Dec 2024	Solar
Jack Francis Solar, LLC	Jack Francis Solar, LLC	Clio, MI	4 GWh	Nov 2020	Dec 2024	Solar
Sappi Cloquet Mill	Sappi Cloquet LLC	Cloquet, MN	464 GWh	Dec 1928	Apr 2025	Black Liquor : 66.3% Wood/Wood Waste Solids : 17.1% Natural Gas : 12.2% Water : 3.8%
Knife Falls	ALLETE, Inc.	Cloquet, MN	10 GWh	Dec 1921	Dec 2024	Water
Badger Hollow II	Wisconsin Electric Power Co	Cobb, WI	202 GWh	Nov 2023	Apr 2025	Solar
Stromland Solar	Greenbacker Renewable Energy Corporation	Cochrane, WI	6 GWh	Nov 2021	Dec 2024	Solar
Coffeen Solar BESS	Vistra Corp	Coffeen, IL	25 GWh	Nov 2024	Apr 2025	Solar
Coggon	Coggon Municipal Light Plant	Coggon, IA	8 MWh	Sep 1957	Dec 2024	Distillate Fuel Oil
Clay Boswell	ALLETE, Inc.	Cohasset, MN	5 TWh	Jun 1958	Apr 2025	Subbituminous Coal : 99.7%
Cokato CSG	Cokato Holdco LLC	Cokato, MN	8 GWh	Jul 2021	Dec 2023	Solar
Laurel Village (CSG)	Laurel Village Community Solar LLC	Cokato, MN	2 GWh	Mar 2020	Dec 2024	Solar
Popple Creek (Clark 1)	Greenbacker Renewable Energy Corporation	Colby, WI	4 GWh	Jan 2024	Dec 2024	Solar
Novel Froehle Solar LLC	Novel Froehle Solar HQ LLC	Cold Spring, MN	15 MWh	Nov 2024	Dec 2024	Solar
WakeSun LLC	SunShare Management	Cold Spring, MN	4 GWh	Dec 2016	Dec 2024	Solar
DG AMP Solar Coldwater	DG AMP Solar, LLC	Coldwater, MI	2 GWh	Jan 2018	Dec 2024	Solar
Angola Solar, LLC	Angola Solar, LLC	Coldwater, MI	4 GWh	Dec 2020	Dec 2024	Solar
Coldwater Peaking Plant	Coldwater Board of Public Util	Coldwater, MI	288 MWh	Jun 2015	Dec 2024	Natural Gas
Greenstone Solar, LLC	Greenstone Solar, LLC	Coldwater, MI	37 GWh	Sep 2023	Dec 2024	Solar
Walleye (Dunn 2)	Greenbacker Renewable Energy Corporation	Colefax, WI	3 GWh	Jan 2024	Dec 2024	Solar
USS Lake Patterson Solar CSG	Standard Solar	Cologne, MN	2 GWh	Jul 2019	Dec 2024	Solar
USS Eggo Solar CSG	Standard Solar	Cologne, MN	2 GWh	May 2019	Dec 2024	Solar
USS Hancock Solar LLC CSG	United States Solar Corporation	Cologne, MN	2 GWh	Dec 2020	Dec 2024	Solar
Truman Solar	Truman Solar, LLC	Colombia, MO	23 GWh	May 2021	Dec 2024	Solar
Columbia City Solar Park	Indiana Municipal Power Agency	Columbia City, IN	8 GWh	Mar 2021	Dec 2024	Solar
Columbia (MO)	City of Columbia - (MO)	Columbia, MO	22 GWh	Dec 1956	Dec 2024	Landfill Gas : 63.9% Natural Gas : 36.1%
MU Combined Heat and Power Plant	Curators of the University of Missouri	Columbia, MO	198 GWh	Jun 1961	Apr 2025	Natural Gas : 73.5% Wood/Wood Waste Solids : 24.8% Bituminous Coal : 1.7%
Columbia Energy Center	City of Columbia - (MO)	Columbia, MO	13 GWh	May 2001	Dec 2024	Natural Gas
Jackson Co. Solar RES	Hoosier Energy R E C, Inc	Columbus, IN	1 GWh	Aug 2017	Dec 2024	Solar
Combined Locks Energy Center	McKinley Paper	Combined Locks, WI	310 GWh	Apr 2002	Dec 2024	Natural Gas
Combined Locks	City of Kaukauna	Combined Locks, WI	43 GWh	Jan 1988	Dec 2024	Water
Little Chute	City of Kaukauna	Combined Locks, WI	24 GWh	May 1948	Dec 2024	Water
Hancock	DTE Electric Company	Commerce Twp, MI	9 GWh	Mar 1966	Dec 2024	Natural Gas
Kalamazoo River Generating Station	CMS Generation MI Power LLC	Comstock, MI	245 GWh	May 1999	Dec 2024	Natural Gas
Crocker Wind Farm	Crocker Wind Farm, LLC	Conde, SD	829 GWh	Oct 2019	Apr 2025	Wind
Conrath DPC Solar	SoCore Energy LLC	Conrath, WI	1 GWh	May 2017	Dec 2024	Solar
Coopersville	Energy Developments, Inc d/b/a EDL	Coopersville, MI	37 GWh	May 1994	Dec 2024	Landfill Gas
Coralville GT	MidAmerican Energy Co	Coralville, IA	800 MWh	May 1970	Dec 2024	Natural Gas
Corcoran CSG	Altus Power America Management, LLC	Corcoran, MN	8 GWh	Dec 2018	Dec 2024	Solar
B.R. Corcoran CSG	Minnesota Solar CSG 19, LLC	Corcoran, MN	8 GWh	Oct 2017	Dec 2024	Solar
Clay County Electrical Cooperative	Today's Power, Inc.	Corning, AR	2 GWh	Apr 2020	Dec 2024	Solar
Corning	City of Corning - (IA)	Corning, IA	51 MWh	May 1975	Dec 2024	Distillate Fuel Oil
POET Biorefining LLC - Corning	POET Biorefining LLC - Corning	Corning, IA	14 GWh	Sep 2018	Dec 2024	Natural Gas
Danielson Wind Farms LLC	BEAM US, LLC	Cosmos, MN	47 GWh	Feb 2011	Dec 2024	Wind
Adams Wind Generations LLC	BEAM US, LLC	Cosmos, MN	46 GWh	Feb 2011	Dec 2024	Wind
LSP-Cottage Grove LP	Cottage Grove Operating Services LLC	Cottage Grove, MN	1 TWh	Sep 1997	Dec 2024	Natural Gas
Cottage Grove Project CSG	DG Minnesota CSG, LLC	Cottage Grove, MN	7 GWh	Sep 2018	Dec 2024	Solar
Cottage Grove CSG, LLC	Ecoplexus, Inc	Cottage Grove, MN	8 GWh	Feb 2018	Dec 2024	Solar
CGSun, LLC Community Solar	Cypress Creek Renewables	Cottage Grove, MN	7 GWh	Nov 2017	Dec 2024	Solar
Dane County Solar LLC	Dane County Solar LLC	Cottage Grove, WI	33 GWh	May 2023	Dec 2024	Solar
Novel Shelly Solar LLC (CSG)	REA Investments, LLC	Cottonwood, MN	2 GWh	Aug 2022	Dec 2024	Solar
Walter Scott Jr Energy Center	MidAmerican Energy Co	Council Bluffs, IA	7 TWh	Feb 1954	Apr 2025	Subbituminous Coal : 99.3% Distillate Fuel Oil : 0.6%

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	784.9 GWh	4
#27	Associated Electric Cooperative, Inc.	23.0 TWh	47
#13	Duke Energy Carolinas	111.8 TWh	565
#52	Duke Energy Progress West	4.1 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.8 TWh	25
#1	PJM Interconnection, LLC	860.4 TWh	2,429
#20	Public Service Company of Colorado	48.5 TWh	208
#5	Southwest Power Pool	296.4 TWh	830
#50	Southwestern Power Administration	4.4 TWh	33
#8	Tennessee Valley Authority	158.8 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	860.4 TWh	2,429
#2	Midcontinent Independent System Operator, Inc.	647.6 TWh	2,788
#3	Electric Reliability Council of Texas, Inc.	476.9 TWh	1,305
#5	Southwest Power Pool	296.4 TWh	830
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	189.7 TWh	2,051
#8	Tennessee Valley Authority	158.8 TWh	204
#10	Florida Power & Light Co.	149.0 TWh	187
#12	New York Independent System Operator	130.8 TWh	1,191
#13	Duke Energy Carolinas	111.8 TWh	565