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
Betcher Community Solar Garden	Betcher CSG LLC	Goodhue, MN	2 GWh	Jul 2018	Dec 2025	Solar
Beloit Memorial Hospital Power Plant	Beloit Memorial Hospital	Beloit, WI	147 MWh	May 2000	Dec 2025	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Beebe 1A	Beebe Renewable Energy, LLC	Ithaca, MI	186 GWh	Nov 2012	Dec 2025	Wind
Beebe 1B	Beebe 1B Renewable Energy, LLC	Ithaca, MI	127 GWh	Nov 2014	Dec 2025	Wind
Bear Grove Solar	Bear Grove Solar, LLC	Byron, MN	2 GWh	Jan 2023	Dec 2025	Solar
Danielson Wind Farms LLC	BEAM US, LLC	Cosmos, MN	56 GWh	Feb 2011	Dec 2025	Wind
Adams Wind Generations LLC	BEAM US, LLC	Cosmos, MN	57 GWh	Feb 2011	Dec 2025	Wind
Bayou Galion Solar Project	Bayou Galion Solar Project, LLC	Mer Rouge, LA	208 GWh	Oct 2024	Jul 2026	Solar
Bayou Cove Peaking Power	Bayou Cove Peaking Power, LLC	Jennings, LA	131 GWh	Jun 2002	Jul 2026	Natural Gas
CED Peoria Solar	Bay4 Energy Services, LLC	Mapleton, IL	4 GWh	Apr 2021	Dec 2025	Solar
Bavaria Solar LLC	Bavaria Solar LLC	Lake Wilson, MN	845 MWh	Jun 2025	Dec 2025	Solar
Geismar	BASF Corporation	Geismar, LA	626 GWh	Jun 1985	Dec 2025	Natural Gas : 85.5% Other Gas : 14.5%
NAFTA Region Olefins Complex Cogen Fac	BASF Corp	Port Arthur, TX	577 GWh	Jun 2001	Dec 2025	Natural Gas
Bancroft	Bancroft Municipal Utilities - (IA)	Bancroft, IA	22 MWh	Dec 1947	Dec 2025	Distillate Fuel Oil
Andresen Solar	Ballantyne LLC	Clara City, MN	2 GWh	Dec 2022	Dec 2025	Solar
Baldwin Wind LLC	Baldwin Wind LLC	Wilton, ND	384 GWh	Nov 2010	Dec 2025	Wind
Badger Wind, LLC	Badger Wind , LLC	Northwest McIntosh, ND	523 GWh	-	Jul 2026	Wind
Grinnell College	Azimuth 180 Solar Electric, LLC	Grinnell, IA	4 GWh	Mar 2024	Dec 2025	Solar
Moraine II Wind LLC	Avangrid Power LLC	Woodstock, MN	101 GWh	Jan 2009	Dec 2025	Wind
Flying Cloud Power Partners LLC	Avangrid Power LLC	Lake Park, IA	98 GWh	Nov 2003	Dec 2025	Wind
Moraine Wind LLC	Avangrid Power LLC	Woodstock, MN	89 GWh	Nov 2003	Dec 2025	Wind
Rugby Wind Power Project	Avangrid Power LLC	Barton, ND	348 GWh	Nov 2009	Dec 2025	Wind
Northern Iowa Windpower II	Avangrid Power LLC	Kensett, IA	134 GWh	Dec 2007	Dec 2025	Wind
Elm Creek Wind LLC	Avangrid Power LLC	Trimont, MN	192 GWh	Nov 2008	Dec 2025	Wind
Winnebago Wind Power Project	Avangrid Power LLC	Forest City, IA	61 GWh	Aug 2008	Dec 2025	Wind
MinnDakota Wind LLC	Avangrid Power LLC	Ivanhoe, MN	337 GWh	Dec 2007	Dec 2025	Wind
Buffalo Ridge I LLC	Avangrid Power LLC	Elkton, SD	97 GWh	Mar 2009	Jul 2026	Wind
Barton Windpower LLC	Avangrid Power LLC	Kensett, IA	365 GWh	May 2009	Dec 2025	Wind
Trimont Area Wind Farm	Avangrid Power LLC	Trimont, MN	350 GWh	Oct 2005	Dec 2025	Wind
Farmers City Wind LLC	Avangrid Power LLC	Tarkio, MO	253 GWh	Mar 2009	Dec 2025	Wind
Buffalo Ridge II LLC	Avangrid Power LLC	Elkton, SD	506 GWh	Nov 2010	Jul 2026	Wind
New Harvest Wind Project LLC	Avangrid Power LLC	Schleswig, IA	263 GWh	Nov 2011	Dec 2025	Wind
Elm Creek Wind II LLC	Avangrid Power LLC	Trimont, MN	187 GWh	Nov 2010	Dec 2025	Wind
August Wind Farm	August Wind Energy, LLC	Clearfield, IA	6 GWh	Jan 2017	Nov 2025	Wind
Atlantic	Atlantic Municipal Utilities (IA)	Atlantic, IA	115 MWh	Aug 1966	Dec 2025	Natural Gas
Atlantic Alumina, Gramercy Operations	Atalco Gramercy LLC	Gramercy, LA	181 GWh	Jan 1958	Dec 2025	Natural Gas
Southwestern Bell Telephone	AT&T	St. Louis, MO	58 MWh	Jan 1992	Jul 2026	Distillate Fuel Oil
Assembly Solar III	Assembly Solar III, LLC	Lennon, MI	167 GWh	Dec 2021	Jul 2026	Solar
Assembly Solar II LLC	Assembly Solar II LLC	Lennon, MI	223 GWh	Nov 2021	Jul 2026	Solar
Assembly Solar Project	Assembly Solar I, LLC	Venice Township, MI	99 GWh	Nov 2020	Jul 2026	Solar
Odin Wind Farm LLC	Aspenall Energies (Delaware), LLC	Mountainlake, MN	32 GWh	Apr 2008	Dec 2025	Wind
Ashtabula Wind II LLC	Ashtabula Wind II LLC	Luverne, ND	364 GWh	Sep 2009	Dec 2025	Wind
Arq Solutions Red River	Arq Solutions (Red River), LLC	Coushatta, LA	105 GWh	Jan 2011	Jul 2026	Waste Heat
Woodruff County Solar	Arkansas Electric Coop Corp	Augusta, AR	175 GWh	Sep 2024	Jul 2026	Solar
Harry L. Oswald	Arkansas Electric Coop Corp	Little Rock, AR	929 GWh	Jun 2002	Dec 2025	Natural Gas
Whillock	Arkansas Electric Coop Corp	Morrilton, AR	131 GWh	Sep 1993	Dec 2025	Water
Dam 2	Arkansas Electric Coop Corp	Dumas, AR	385 GWh	May 1999	Dec 2025	Water
McClellan (AR)	Arkansas Electric Coop Corp	Camden, AR	27 GWh	Apr 1972	Oct 2025	Natural Gas : 85.3% Distillate Fuel Oil : 14.7%
Magnet Cove	Arkansas Electric Coop Corp	Malvern, AR	4 TWh	Jun 2005	Jul 2026	Natural Gas
Aries Community Solar	Aries Community Solar	Claremont, MN	7 GWh	Sep 2017	Dec 2025	Solar
Argo Navis Community Solar	Argo Navis Community Solar	Scandia, MN	5 GWh	Feb 2018	Dec 2025	Solar
SCS American Bottoms 009885 Sauget, LLC	Arevon Energy, Inc.	Sauget, IL	2 GWh	Jul 2020	Dec 2025	Solar
SCS COUNTY 012631 Champaign, LLC	Arevon Energy, Inc.	Champaign, IL	4 GWh	Aug 2021	Dec 2025	Solar
SCS Galena 012589 Peoria, LLC	Arevon Energy, Inc.	Peoria, IL	4 GWh	Nov 2021	Dec 2025	Solar
SCS West Fairchild 011958 Danville, LLC	Arevon Energy, Inc.	Danville, IL	3 GWh	Jun 2021	Dec 2025	Solar
Northern Cardinal Solar SCS IL 1, LLC	Arevon Energy, Inc.	Champaign, IL	19 GWh	Jan 2021	Dec 2025	Solar
Archtop Solar	Archtop Property Management LLC	Gibson City, IL	178 GWh	-	Jul 2026	Solar
Archer Daniels Midland Mankato	Archer Daniels Midland Co	Mankato, MN	28 GWh	Sep 1987	Dec 2025	Natural Gas
Archer Daniels Midland Cedar Rapids	Archer Daniels Midland Co	Cedar Rapids, IA	1 TWh	Oct 1988	Jul 2026	Subbituminous Coal : 59.1% Natural Gas : 26.7% Bituminous Coal : 14.2%
Archer Daniels Midland Des Moines	Archer Daniels Midland Co	Des Moines, IA	23 GWh	Apr 1988	Dec 2025	Natural Gas
Archer Daniels Midland Clinton	Archer Daniels Midland Co	Clinton, IA	699 GWh	Jan 2009	Jul 2026	Subbituminous Coal : 88.8% Other Biomass Solids : 7.0% Bituminous Coal : 4.2%
Archer Daniels Midland Decatur	Archer Daniels Midland Co	Decatur, IL	917 GWh	Mar 1987	Jul 2026	Bituminous Coal : 64.8% Subbituminous Coal : 35.0%
Lange Solar	Arcadia Solar, LLC	Byron, MN	2 GWh	Aug 2019	Dec 2025	Solar
Enter Solar	Arcadia Solar, LLC	Janesville, MN	2 GWh	Dec 2018	Dec 2025	Solar
Appleseed Solar	Appleseed Solar, LLC	Logansport, IN	394 GWh	Jul 2025	Jul 2026	Solar
Apple Blossom Wind Farm	Apple Blossom Wind, LLC	Pigeon, MI	248 GWh	Oct 2017	Jul 2026	Wind
Antlia Community Solar	Antlia Community Solar	Edgerton, MN	3 GWh	Aug 2017	Dec 2025	Solar
Antares Community Solar	Antares Community Solar	Tracy, MN	5 GWh	May 2018	Dec 2025	Solar
Anheuser-Busch St Louis	Anheuser-Busch Inc	St. Louis, MO	38 GWh	Dec 1938	Jul 2026	Natural Gas : 93.0% Other Biomass Gas : 7.0%
Angola Solar, LLC	Angola Solar, LLC	Coldwater, MI	4 GWh	Dec 2020	Dec 2025	Solar
Andromeda Community Solar	Andromeda Community Solar	Lester Prairie, MN	8 GWh	Sep 2017	Dec 2025	Solar
Anderson Erickson	Anderson Erickson Dairy	Des Moines, IA	9 MWh	Mar 2000	Dec 2025	Distillate Fuel Oil
Alpena Cement Plant	Amrize Cement Inc.	Alpena, MI	212 GWh	Dec 1951	Jul 2026	Petroleum Coke : 86.9% Natural Gas : 13.1%
Amite Solar, LLC	Amite Solar, LLC	Roseland, LA	208 GWh	Feb 2025	Jul 2026	Solar
Alliant SBD 9203 Profol	American Profol Incorporated	Cedar Rapids, IA	33 MWh	Aug 1996	Jul 2026	Distillate Fuel Oil
Smithland Hydroelectric Plant	American Mun Power-Ohio, Inc	Smithland, KY	428 GWh	Jun 2017	Jul 2026	Water
Cannelton Hydroelectric Plant	American Mun Power-Ohio, Inc	Hawesville, KY	417 GWh	Dec 2015	Dec 2025	Water
American Crystal Sugar East Grand Forks	American Crystal Sugar Co	East Grand Forks, MN	43 GWh	Aug 1990	Dec 2025	Subbituminous Coal
American Crystal Sugar Drayton	American Crystal Sugar Co	Drayton, ND	43 GWh	Aug 1965	Dec 2025	Subbituminous Coal
American Crystal Sugar Crookston	American Crystal Sugar Co	Crookston, MN	41 GWh	Aug 1954	Dec 2025	Subbituminous Coal
American Crystal Sugar Hillsboro	American Crystal Sugar Co	Hillsboro, ND	85 GWh	Aug 1990	Dec 2025	Subbituminous Coal
Ameresco Jefferson City	AMERESCO Jefferson City LLC	Jefferson City, MO	16 GWh	Feb 2009	Dec 2025	Landfill Gas
Ameresco Janesville	AMERESCO Janesville LLC	Janesville, WI	3 GWh	Sep 2004	Dec 2025	Landfill Gas
TAC-Distributed Energy Resource Hybrid	Ameren Illinois	Champaign, IL	294 MWh	Feb 2017	Dec 2025	Solar : 62.7% Wind : 37.0%
Amana Society Service Company	Amana Society Service Co	Middle Amana, IA	1 GWh	Apr 2001	Dec 2025	Distillate Fuel Oil
FastSun 2 CSG	Altus Power America Management, LLC	Randolph Township, MN	2 GWh	May 2020	Dec 2025	Solar
Cannon Garden Solar	Altus Power America Management, LLC	Faribault, MN	2 GWh	Dec 2019	Dec 2025	Solar
Malmedal Solar Garden	Altus Power America Management, LLC	Starbuck, MN	2 GWh	Jun 2019	Dec 2025	Solar
Cedar Falls Solar Farm	Altus Power America Management, LLC	Cedar Falls, IA	2 GWh	Mar 2016	Dec 2025	Solar
Corcoran CSG	Altus Power America Management, LLC	Corcoran, MN	8 GWh	Dec 2018	Dec 2025	Solar
Wollan Garden Solar	Altus Power America Management, LLC	Starbuck, MN	2 GWh	Jun 2019	Dec 2025	Solar
Waterville CSG Solar Holdings LLC	Altus Power America Management, LLC	Waterville, MN	8 GWh	Feb 2018	Jul 2026	Solar
Dundas Solar Holdings LLC CSG	Altus Power America Management, LLC	Northfield, MN	8 GWh	Feb 2018	Jul 2026	Solar
FastSun 4 CSG	Altus Power America Management, LLC	Hugo, MN	2 GWh	May 2021	Dec 2025	Solar
FastSun 21 CSG	Altus Power America Management, LLC	St. Cloud, MN	2 GWh	May 2021	Dec 2025	Solar
Griffith	Altus Power America Management, LLC	Griffith, IN	3 GWh	Feb 2013	Dec 2025	Solar
East Chicago	Altus Power America Management, LLC	East Chicago, IN	3 GWh	Feb 2013	Nov 2025	Solar
FastSun12 CSG	Altus Power America Management, LLC	Morristown, MN	2 GWh	Jun 2021	Dec 2025	Solar
Helen Solar CSG	Altus Power America Management, LLC	Plato, MN	8 GWh	Jun 2020	Dec 2025	Solar
FastSun 5 CSG	Altus Power America Management, LLC	La Crescent, MN	2 GWh	Dec 2019	Dec 2025	Solar

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