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
SCS COUNTY 012631 Champaign, LLC	Arevon Energy, Inc.	Champaign, IL	4 GWh	Aug 2021	Dec 2024	Solar
Northern Cardinal Solar SCS IL 1, LLC	Arevon Energy, Inc.	Champaign, IL	17 GWh	Jan 2021	Dec 2024	Solar
POET Biorefining - Chancellor	POET Biorefining- Chancellor	Chancellor, SD	28 GWh	Jul 2018	Dec 2024	Wood/Wood Waste Solids : 69.3% Natural Gas : 28.2% Landfill Gas : 2.5%
Windshare LLC	Greenbacker Renewable Energy Corporation	Chandler, MN	11 GWh	Feb 2006	Dec 2024	Wind
Fenton Wind Farm	EDF Renewable Asset Holdings, Inc.	Chandler, MN	340 GWh	Aug 2007	Sep 2025	Wind
Valley View Transmission LLC	Consolidated Edison Development Inc.	Chandler, MN	8 GWh	Jun 2011	Dec 2024	Wind
Wolf Run Solar	Wolf Run Solar LLC	Chapin, IL	309 GWh	Oct 2024	Sep 2025	Solar
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 3, LLC	Madison Energy Holdings LLC	Chicago, IL	2 GWh	Jul 2020	Dec 2024	Solar
ESIL-PFCHICAGO 2, LLC	Madison Energy Holdings LLC	Chicago, IL	2 GWh	Oct 2020	Dec 2024	Solar
Belle River	DTE Electric Company	China Twp, MI	8 TWh	Oct 1981	Sep 2025	Subbituminous Coal : 93.6% Natural Gas : 6.0%
Cornell	Northern States Power Co - Minnesota	Chippewa Falls, WI	82 GWh	Jun 1976	Dec 2024	Water
Chippewa Falls	Northern States Power Co - Minnesota	Chippewa Falls, WI	63 GWh	Dec 1927	Dec 2024	Water
Wissota	Northern States Power Co - Minnesota	Chippewa Falls, WI	136 GWh	Dec 1916	Dec 2024	Water
Lafayette DPC Solar	SoCore Energy LLC	Chippewa Falls, WI	2 GWh	May 2017	Dec 2024	Solar
Lake Hallie	Standard Solar	Chippewa Falls, WI	1 MWh	Nov 2024	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
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
Sagitta Community Solar	National Grid Renewables	Clara City, MN	2 GWh	Nov 2018	Dec 2024	Solar
Andresen Solar	Ballantyne LLC	Clara City, MN	2 GWh	Dec 2022	Dec 2024	Solar
Aries Community Solar	Aries Community Solar	Claremont, MN	7 GWh	Sep 2017	Dec 2024	Solar
Kaus Community Solar	National Grid Renewables	Claremont, MN	2 GWh	Dec 2018	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	124 GWh	Jun 2002	Nov 2024	Natural Gas
Emery Station	Interstate Power and Light Co	Clear Lake, IA	2 TWh	Apr 2004	Sep 2025	Natural Gas
Sobania Community Solar LLC	Madison Energy Holdings LLC	Clear Lake, MN	2 GWh	Aug 2020	Dec 2024	Solar
Sherco Solar I	Northern States Power Co - Minnesota	Clear Lake, MN	393 GWh	Sep 2024	Sep 2025	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
USS Golly Gee Solar LLC	United States Solar Corporation	Clear Lake, MN	2 GWh	Jun 2023	Dec 2024	Solar
Sherburne Community Solar	AEP Onsite Partners, LLC	Clear Lake, MN	8 GWh	Feb 2018	Sep 2025	Solar
Gohman Community Solar (CSG)	Gohman Community Solar LLC	Clear Lake, MN	2 GWh	Jan 2020	Dec 2024	Solar
CF Novel Solar CSG Gardens Seven, LLC	Cypress Creek Renewables	Clear Lake, MN	5 GWh	Nov 2017	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
E. Goenner Project CSG	E. Goenner Community Solar LLC	Clear Lake, MN	1 GWh	Nov 2019	Dec 2024	Solar
Prawer Project CSG	Prawer Community Solar LLC	Clear Lake, MN	2 GWh	Dec 2019	Dec 2024	Solar
Deuel Harvest Wind Energy LLC	Southern Power Co	Clear Lake, SD	1 TWh	Jan 2021	Sep 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	832 GWh	Nov 2019	Sep 2025	Wind
Red Maple Solar	Terraform Arcadia	Cleveland, MN	5 GWh	May 2018	Dec 2024	Solar
MN CSG 2019-38 DE LLC	MN CSG 2019-38 DE LLC	Cleveland, MN	2 GWh	Oct 2022	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	1 GWh	May 2023	Dec 2024	Solar
Petit Jean	Today's Power, Inc.	Clinton, AR	2 GWh	Nov 2023	Dec 2024	Solar
Clinton Power Station	Constellation Nuclear	Clinton, IL	9 TWh	Oct 1987	Sep 2025	Nuclear
Clinton LFGTE	Wabash Valley Power Assn, Inc	Clinton, IL	18 GWh	Jan 2006	Sep 2025	Landfill Gas
Archer Daniels Midland Clinton	Archer Daniels Midland Co	Clinton, IA	727 GWh	Jan 2009	Sep 2025	Subbituminous Coal : 90.1% Other Biomass Solids : 8.3% Bituminous Coal : 1.6%
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
Knife Falls	ALLETE, Inc.	Cloquet, MN	10 GWh	Dec 1921	Dec 2024	Water
Sappi Cloquet Mill	Sappi Cloquet LLC	Cloquet, MN	448 GWh	Dec 1928	Sep 2025	Black Liquor : 64.5% Wood/Wood Waste Solids : 17.7% Natural Gas : 13.6% Water : 3.5%
Badger Hollow II	Wisconsin Electric Power Co	Cobb, WI	200 GWh	Nov 2023	Sep 2025	Solar
Stromland Solar	Greenbacker Renewable Energy Corporation	Cochrane, WI	6 GWh	Nov 2021	Dec 2024	Solar
Coffeen Solar BESS	Vistra Corp	Coffeen, IL	74 GWh	Nov 2024	Sep 2025	Solar
Coggon	Coggon Municipal Light Plant	Coggon, IA	8 MWh	Sep 1957	Dec 2024	Distillate Fuel Oil
Clay Boswell	ALLETE, Inc.	Cohasset, MN	6 TWh	Jun 1958	Sep 2025	Subbituminous Coal : 99.7%
Cokato CSG	Cokato Holdco LLC	Cokato, MN	8 GWh	Jul 2021	Dec 2024	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
Coldwater Peaking Plant	Coldwater Board of Public Util	Coldwater, MI	288 MWh	Jun 2015	Dec 2024	Natural Gas
DG AMP Solar Coldwater	DG AMP Solar, LLC	Coldwater, MI	2 GWh	Jan 2018	Dec 2024	Solar
Greenstone Solar, LLC	Greenstone Solar, LLC	Coldwater, MI	37 GWh	Sep 2023	Dec 2024	Solar
Angola Solar, LLC	Angola Solar, LLC	Coldwater, MI	4 GWh	Dec 2020	Dec 2024	Solar
Coldwater River Solar	Coldwater River Solar, LLC	Coldwater, MI	14 GWh	-	Sep 2025	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 Energy Center	City of Columbia - (MO)	Columbia, MO	13 GWh	May 2001	Dec 2024	Natural Gas
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	196 GWh	Jun 1961	Sep 2025	Natural Gas : 73.6% Wood/Wood Waste Solids : 23.7% Bituminous Coal : 2.6%
Jackson Co. Solar RES	Hoosier Energy R E C, Inc	Columbus, IN	1 GWh	Aug 2017	Dec 2024	Solar
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
Combined Locks Energy Center	McKinley Paper	Combined Locks, WI	310 GWh	Apr 2002	Dec 2024	Natural Gas
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	767 GWh	Oct 2019	Sep 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
B.R. Corcoran CSG	Minnesota Solar CSG 19, LLC	Corcoran, MN	8 GWh	Oct 2017	Dec 2024	Solar
Corcoran CSG	Altus Power America Management, LLC	Corcoran, MN	8 GWh	Dec 2018	Dec 2024	Solar
Clay County Electrical Cooperative	Today's Power, Inc.	Corning, AR	2 GWh	Apr 2020	Dec 2024	Solar
POET Biorefining LLC - Corning	POET Biorefining LLC - Corning	Corning, IA	14 GWh	Sep 2018	Dec 2024	Natural Gas
Corning	City of Corning - (IA)	Corning, IA	51 MWh	May 1975	Dec 2024	Distillate Fuel Oil
Danielson Wind Farms LLC	BEAM US, LLC	Cosmos, MN	47 GWh	Feb 2011	Dec 2024	Wind

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