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%

Map of Midcontinent Independent System Operator, Inc.

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Midcontinent Independent System Operator, Inc..

Create Your Account Today

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
Ashtabula Wind Energy Center	Otter Tail Power Co	Luverne, ND	116 GWh	Sep 2008	Dec 2024	Wind
Ashtabula Wind II LLC	Ashtabula Wind II LLC	Luverne, ND	328 GWh	Sep 2009	Dec 2024	Wind
Ashtabula Wind III LLC	Otter Tail Power Co	Luverne, ND	143 GWh	Nov 2010	Dec 2024	Wind
Assembly Solar II LLC	Assembly Solar II LLC	Lennon, MI	227 GWh	Nov 2021	Sep 2025	Solar
Assembly Solar III	Assembly Solar III, LLC	Lennon, MI	164 GWh	Dec 2021	Sep 2025	Solar
Assembly Solar Project	Assembly Solar I, LLC	Venice Township, MI	100 GWh	Nov 2020	Sep 2025	Solar
Aster Community Solar Garden, LLC	National Grid Renewables	Raymond, MN	2 GWh	Sep 2020	Dec 2024	Solar
Astoria Station	Otter Tail Power Co	Astoria, SD	459 GWh	Mar 2021	Sep 2025	Natural Gas
Athens MN CONX	SoCore Energy LLC	Athens, MN	10 GWh	Nov 2018	Dec 2024	Solar
ATI	Wisconsin Electric Power Co	Cudahy, WI	4 GWh	Oct 2020	Dec 2024	Solar
Atlantic	Atlantic Municipal Utilities	Atlantic, IA	110 MWh	Aug 1966	Dec 2024	Natural Gas
Atlantic Alumina, Gramercy Operations	Atalco Gramercy LLC	Gramercy, LA	208 GWh	Jan 1958	Dec 2024	Natural Gas
Attala	Entergy Mississippi LLC	Sallis, MS	2 TWh	Feb 2001	Sep 2025	Natural Gas
Atwater Solar	Enel Green Power NA, Inc.	Atwater, MN	8 GWh	Nov 2016	Dec 2024	Solar
Auburn Solar WI, LLC	Wisconsin Electric Power Co	Campbellsport, WI	80 MWh	Nov 2024	Dec 2024	Solar
Audrain Generating Station	Union Electric Co - (MO)	Vandalia, MO	146 GWh	Jan 2001	Dec 2024	Natural Gas
August Wind Farm	August Wind Energy, LLC	Clearfield, IA	6 GWh	Jan 2017	Dec 2024	Wind
Auriga Community Solar	National Grid Renewables	Slayton, MN	2 GWh	Nov 2018	Dec 2024	Solar
Autumn Hills Generating Facility	North American Natural Res	Zeeland, MI	9 GWh	Jun 2009	May 2024	Landfill Gas
Autumn Hills LLC	CHI Operations Inc	Hendricks, MN	4 GWh	Jan 2001	Dec 2024	Wind
Avenue A Generator Sets	City of Rock Falls - (IL)	Rock Falls, IL	161 MWh	Aug 2000	Dec 2024	Distillate Fuel Oil
B&K Energy Systems LLC	Brewster	Brewster, MN	4 GWh	Nov 2003	Dec 2024	Wind
B.R. Corcoran CSG	Minnesota Solar CSG 19, LLC	Corcoran, MN	8 GWh	Oct 2017	Dec 2024	Solar
B.R. Sartell CSG	Minnesota Solar CSG 21, LLC	Sartell, MN	4 GWh	Oct 2017	Dec 2024	Solar
B.R. Sauk Rapids CSG	Minnesota Solar CSG 9, LLC	Sauk Rapids, MN	8 GWh	Oct 2017	Dec 2024	Solar
Badger Hollow I	Wisconsin Public Service Corp	Montfort, WI	195 GWh	Oct 2021	Sep 2025	Solar
Badger Hollow II	Wisconsin Electric Power Co	Cobb, WI	200 GWh	Nov 2023	Sep 2025	Solar
Baldwin Energy Complex	Dynegy Midwest Generation Inc	Baldwin, IL	7 TWh	Jun 1970	Sep 2025	Subbituminous Coal : 99.8%
Baldwin Solar BESS	Vistra Corp	Baldwin, IL	121 GWh	Nov 2024	Sep 2025	Solar
Baldwin Wind LLC	Baldwin Wind LLC	Wilton, ND	381 GWh	Nov 2010	Dec 2024	Wind
Bancroft	Bancroft Municipal Utilities	Bancroft, IA	96 MWh	Dec 1947	Dec 2024	Distillate Fuel Oil
Barone CSG	Terraform Arcadia	Winstead, MN	2 GWh	Sep 2018	Dec 2024	Solar
Barron	City of Barron - (WI)	Barron, WI	342 MWh	Jul 1923	Dec 2024	Water
Barron Solar Array	AEP Onsite Partners, LLC	Barron, WI	6 GWh	Jul 2021	Dec 2024	Solar
Barton Windpower LLC	Avangrid Power LLC	Kensett, IA	361 GWh	May 2009	Dec 2024	Wind
Battle Creek Mill	RockTenn-Battle Creek Mill	Battle Creek, MI	4 GWh	Dec 1950	Dec 2024	Natural Gas
Bay Front	Northern States Power Co - Minnesota	Ashland, WI	160 GWh	Dec 1948	Dec 2024	Wood/Wood Waste Solids : 95.3% Tire-derived Fuels : 4.1% Natural Gas : 0.6%
Bayou Cove Peaking Power	Bayou Cove, LLC	Jennings, LA	143 GWh	Jun 2002	Sep 2025	Natural Gas
Bayou Galion Solar Project	Bayou Galion Solar Project, LLC	Mer Rouge, LA	211 GWh	Oct 2024	Sep 2025	Solar
Bear Creek (WI)	Wisconsin Power & Light Co	Lone Rock, WI	100 GWh	Aug 2022	Sep 2025	Solar
Bear Grove Solar	Bear Grove Solar, LLC	Byron, MN	2 GWh	Jan 2023	Dec 2024	Solar
Beaver Creek Wind	MidAmerican Energy Co	Ogden, IA	1 TWh	Nov 2017	Sep 2025	Wind
Beaver Dam Solar	Wisconsin Power & Light Co	Dodge, WI	101 GWh	Nov 2023	Sep 2025	Solar
Beaver Island	Great Lakes Energy Coop	Beaver Island, MI	71 MWh	Aug 2000	Dec 2024	Distillate Fuel Oil
Becker Solar 2 CSG	SunShare Management	St. Michael, MN	2 GWh	Feb 2019	Dec 2024	Solar
Becker Solar 3 CSG	SunShare Management	St. Michael, MN	2 GWh	Feb 2019	Dec 2024	Solar
Becker Solar 4 CSG	SunShare Management	St. Michael, MN	2 GWh	Feb 2019	Dec 2024	Solar
Becker Solar 5 CSG	SunShare Management	St. Michael, MN	2 GWh	Feb 2019	Dec 2024	Solar
Becker Solar CSG	SunShare Management	St. Michael, MN	2 GWh	Feb 2019	Dec 2024	Solar
Beebe 1A	Beebe Renewable Energy, LLC	Ithaca, MI	187 GWh	Nov 2012	Dec 2024	Wind
Beebe 1B	Beebe 1B Renewable Energy, LLC	Ithaca, MI	127 GWh	Nov 2014	Dec 2024	Wind
Belle River	DTE Electric Company	China Twp, MI	8 TWh	Oct 1981	Sep 2025	Subbituminous Coal : 93.6% Natural Gas : 6.0%
Bellevue	City of Bellevue - (IA)	Bellevue, IA	61 MWh	Jun 1947	Dec 2024	Distillate Fuel Oil
Bellflower Solar, LLC	National Grid Renewables	Brooten, MN	2 GWh	Nov 2020	Dec 2024	Solar
Belmont	Marion Solar LLC	Indianapolis, IN	5 GWh	Oct 2015	Dec 2024	Solar
Beloit Memorial Hospital Power Plant	Beloit Memorial Hospital	Beloit, WI	71 MWh	May 2000	Dec 2024	Natural Gas : 72.9% Distillate Fuel Oil : 27.1%
Benndale	Cooperative Energy	Benndale, MS	52 GWh	Sep 1969	Dec 2024	Natural Gas
Bennington Wind	Minonk Stewardship Wind LLC	Minonk, IL	303 GWh	Sep 2021	Sep 2025	Wind
Benson City of	City of Benson - (MN)	Benson, MN	54 MWh	Apr 2002	Dec 2024	Distillate Fuel Oil
Bent Tree Wind Farm Phase 1	Wisconsin Power & Light Co	Hartland, MN	343 GWh	Jan 2011	Dec 2024	Wind
Benton County Wind Farm	Orion Energy Group LLC	Earl Park, IN	358 GWh	Apr 2008	Dec 2024	Wind
BentonSun LLC	SunShare Management	Norwood Young America, MN	9 GWh	Nov 2016	Dec 2024	Solar
Berlin Landfill Gas	WM Renewable Energy LLC	Berlin, WI	14 GWh	Jul 2001	Dec 2024	Landfill Gas
Berryville School District Solar	Today's Power, Inc.	Berryville, AR	2 GWh	Jan 2018	Dec 2024	Solar
Betcher Community Solar Garden	Betcher CSG LLC	Goodhue, MN	2 GWh	Jul 2018	Dec 2024	Solar
Betcher CSG 1, LLC	Madison Energy Holdings LLC	Goodhue, MN	2 GWh	Oct 2020	Dec 2024	Solar
Big Blue	Big Blue Wind Farm LLC (MN)	Blue Earth, MN	70 GWh	Nov 2012	Dec 2024	Wind
Big Cajun 1	Louisiana Generating LLC	Jarreau, LA	151 GWh	May 1972	Dec 2024	Natural Gas
Big Cajun 2	Louisiana Generating LLC	New Roads, LA	2 TWh	Jun 1981	Sep 2025	Subbituminous Coal : 72.0% Natural Gas : 28.0%
Big Cypress Solar, LLC	Big Cypress Solar, LLC	Crawfordsville, AR	429 GWh	Nov 2023	Sep 2025	Solar
Big Falls	Northern States Power Co - Minnesota	Glen Fora, WI	36 GWh	Dec 1921	Dec 2024	Water
Big Lake Holdco Solar CSG	Big Lake Holdco LLC	Big Lake, MN	8 GWh	Aug 2017	Dec 2024	Solar
Big Lake Project CSG	DG Minnesota CSG, LLC	Big Lake, MN	9 GWh	May 2018	Dec 2024	Solar
Big Quinnesec 61	Wisconsin Electric Power Co	Iron Mountain, MI	4 GWh	Apr 1914	Dec 2024	Water
Big Quinnesec 92	Wisconsin Electric Power Co	Iron Mountain, MI	89 GWh	Oct 1949	Dec 2024	Water
Big River Solar	Big River Solar, LLC	Norris City, IL	322 GWh	Jul 2022	Sep 2025	Solar
Big Stone	Otter Tail Power Co	Big Stone City, SD	2 TWh	Apr 1975	Sep 2025	Subbituminous Coal : 99.8%
Big Turtle Wind Farm 2	DTE Electric Company	Harbor Beach, MI	107 GWh	Sep 2016	Dec 2024	Wind
Big Turtle Wind Farm, LLC	DTE Sustainable Generation	Harbor Beach, MI	70 GWh	Nov 2014	Dec 2024	Wind
Billerud Quinnesec Mill	Billerud Quinnesec Mill	Norway, MI	294 GWh	Sep 1985	Dec 2024	Black Liquor : 67.8% Wood/Wood Waste Solids : 30.2% Natural Gas : 1.9%
Bingham Solar, LLC	National Grid Renewables	St. Johns, MI	41 GWh	Nov 2020	Dec 2024	Solar
BioTown Ag	Bio Town Biogas, LLC	Reynolds, IN	33 GWh	May 2011	Dec 2024	Other Biomass Gas
Birch	Birch Power LLC	Clearfield, IA	7 GWh	Jan 2017	Dec 2024	Wind
Biron	Consolidated Water Power Co	Biron, WI	31 GWh	Dec 1895	Dec 2024	Water
Biron Mill	ND Paper, Inc.	Wisconsin Rapids, WI	96 GWh	Aug 1947	Dec 2024	Natural Gas : 79.6% Subbituminous Coal : 20.4%
Bishop Hill II Wind Farm	Bishop Hill Energy II, LLC	Cambridge, IL	340 GWh	Sep 2012	Dec 2024	Wind
Bishop Hill III	Invenergy Services LLC	Cambridge, IL	432 GWh	May 2018	Sep 2025	Wind
Bison 2 Wind Energy Center	ALLETE, Inc.	New Salem, ND	219 GWh	Nov 2012	Dec 2024	Wind
Bison 3 Wind Energy Center	ALLETE, Inc.	New Salem, ND	223 GWh	Nov 2012	Dec 2024	Wind
Bison 4 Wind Energy Center	ALLETE, Inc.	New Salem, ND	624 GWh	Dec 2014	Dec 2024	Wind
Bison I Wind Energy Center	ALLETE, Inc.	New Salem, ND	166 GWh	Nov 2010	Dec 2024	Wind
Bissell Solar and Battery Generator	Consumers Energy Co - (MI)	Grand Rapids, MI	432 MWh	Aug 2021	Dec 2024	Solar
Bisson Windfarm LLC	Bisson Windfarm LLC	Pipestone, MN	288 MWh	Sep 2003	Dec 2024	Wind
Black Dog	Northern States Power Co - Minnesota	Burnsville, MN	2 TWh	Sep 1954	Dec 2024	Natural Gas
Black Oak Wind Farm	Black Oak Wind, LLC	Sauk Centre, MN	298 GWh	Nov 2016	Sep 2025	Wind
Blakely Mountain	USCE -Vickburg District	Royal, AR	158 GWh	Aug 1955	Dec 2024	Water
Blanchard	ALLETE, Inc.	Royalton, MN	82 GWh	Jan 1925	Dec 2024	Water
Blazing Star 2 Wind Farm	Northern States Power Co - Minnesota	Hendricks, MN	834 GWh	Dec 2020	Sep 2025	Wind
Blazing Star Wind Farm 1	Northern States Power Co - Minnesota	Hendricks, MN	836 GWh	Mar 2020	Sep 2025	Wind
Bloomfield Municipal Utilities Solar	AEP Onsite Partners, LLC	Bloomfield, IA	2 GWh	Mar 2019	Dec 2024	Solar

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