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	Jan 2026
Annual Generation	656.9 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 \| 35.4% Coal \| 28.9% Wind \| 15.1% Nuclear \| 14% Solar \| 4.6% 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
ExxonMobil Baton Rouge Turbine Generator	Exxon Mobil Corp	Baton Rouge, LA	654 GWh	Apr 1990	Dec 2024	Natural Gas
Louisiana 1	Entergy Louisiana LLC	Baton Rouge, LA	3 TWh	Sep 1951	Oct 2025	Natural Gas : 71.6% Other Gas : 28.4%
13 Mile Solar, LLC	13 Mile Solar, LLC	Battle Creek, MI	4 GWh	Nov 2020	Dec 2024	Solar
Calhoun Solar	Invenergy Services LLC	Battle Creek, MI	335 GWh	Nov 2022	Oct 2025	Solar
Cereal City Solar, LLC	Cereal City Solar, LLC	Battle Creek, MI	194 GWh	Nov 2023	Oct 2025	Solar
Battle Creek Mill	RockTenn-Battle Creek Mill	Battle Creek, MI	4 GWh	Dec 1950	Dec 2024	Natural Gas
Henry Station	City of Bay City - (MI)	Bay City, MI	653 MWh	Apr 1993	Dec 2024	Natural Gas : 94.6% Distillate Fuel Oil : 5.4%
Water Street Station	City of Bay City - (MI)	Bay City, MI	239 MWh	Jul 1980	Dec 2024	Natural Gas : 86.5% Distillate Fuel Oil : 13.5%
SAU Tech	Today's Power, Inc.	Bearden, AR	2 GWh	Jun 2019	Dec 2024	Solar
Cass County Renewable Energy Center	Union Electric Co - (MO)	Beardstown, IL	303 GWh	Nov 2024	Oct 2025	Solar
ExxonMobil Beaumont Refinery	ExxonMobil Oil Corp	Beaumont, TX	4 TWh	Dec 1965	Oct 2025	Natural Gas : 96.7% Other Gas : 3.3%
Goodyear Beaumont Chemical Plant	Goodyear Tire & Rubber Co	Beaumont, TX	268 GWh	Feb 1987	Oct 2025	Natural Gas : 98.5% Waste/Other Oil : 1.5%
Walleye Wind	Walleye Wind, LLC	Beaver Creek, MN	476 GWh	Nov 2022	Oct 2025	Wind
Beaver Island	Great Lakes Energy Coop	Beaver Island, MI	71 MWh	Aug 2000	Dec 2024	Distillate Fuel Oil
Sherburne County	Northern States Power Co - Minnesota	Becker, MN	7 TWh	Mar 1976	Oct 2025	Subbituminous Coal : 99.9%
Sherco Solar II	Northern States Power Co - Minnesota	Becker, MN	49 GWh	-	Oct 2025	Solar
Contrail Wind Farm	MidAmerican Energy Co	Bedford, IA	313 GWh	Nov 2020	Oct 2025	Wind
Holland Energy Facility	NAES Corporation - (WA)	Beecher City, IL	1 TWh	Aug 2002	Oct 2025	Natural Gas
Canopus Community Solar	National Grid Renewables	Belgrade, MN	2 GWh	Feb 2019	Dec 2024	Solar
Deneb Community Solar	National Grid Renewables	Belgrade, MN	2 GWh	Apr 2019	Dec 2024	Solar
Oak Point Cogen	Chevron Oronite Co LLC	Belle Chasse, LA	99 GWh	Sep 1999	Dec 2024	Natural Gas
USS Westeros Solar LLC CSG	Standard Solar	Belle Plaine, MN	2 GWh	May 2020	Dec 2024	Solar
Linden 03 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2024	Solar
Linden 02 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2024	Solar
Linden 01 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2024	Solar
AES Belleville Solar LLC	AES Distributed Energy	Belleville, IL	13 GWh	Aug 2021	Nov 2024	Solar
Sumpter Energy Associates	NextEra Renewable Fuels, LLC	Belleville, MI	63 GWh	Jun 1992	Dec 2024	Landfill Gas
French Landing Dam	Eagle Creek Renewable Energy, LLC	Belleville, MI	8 GWh	Nov 1988	Dec 2024	Water
Sumpter	Wolverine Power Supply Coop	Belleville, MI	190 GWh	Jun 2002	Dec 2024	Natural Gas
Bellevue	City of Bellevue - (IA)	Bellevue, IA	61 MWh	Jun 1947	Dec 2024	Distillate Fuel Oil
Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	3 TWh	May 2004	Oct 2025	Natural Gas
Paddock Solar	Wisconsin Power & Light Co	Beloit, WI	133 GWh	Oct 2023	Oct 2025	Solar
West Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	4 TWh	Apr 2020	Oct 2025	Natural Gas : 99.9%
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%
HQC Rock River Solar Power Gen Station	HQC Rock River Solar Power Generation Station LLC	Beloit, WI	3 GWh	Jun 2016	Dec 2024	Solar
Novel Milbradt Solar LLC	Novel Milbradt Solar HQ LLC	Belview, MN	16 MWh	Nov 2024	Dec 2024	Solar
Benndale	Cooperative Energy	Benndale, MS	52 GWh	Sep 1969	Dec 2024	Natural Gas
Benson City of	City of Benson - (MN)	Benson, MN	54 MWh	Apr 2002	Dec 2024	Distillate Fuel Oil
FECC Solar Benton	Today's Power, Inc.	Benton, AR	967 MWh	Feb 2017	Oct 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
Coyote	Otter Tail Power Co	Beulah, ND	2 TWh	Apr 1981	Oct 2025	Lignite Coal : 99.7%
Big Lake Project CSG	DG Minnesota CSG, LLC	Big Lake, MN	9 GWh	May 2018	Dec 2024	Solar
USS Big Lake 1 Solar CSG	United States Solar Corporation	Big Lake, MN	2 GWh	Nov 2018	Dec 2024	Solar
Big Lake Holdco Solar CSG	Big Lake Holdco LLC	Big Lake, MN	8 GWh	Aug 2017	Dec 2024	Solar
Rogers	Consumers Energy Co - (MI)	Big Rapids, MI	16 GWh	Dec 1921	Dec 2024	Water
Big Stone	Otter Tail Power Co	Big Stone City, SD	2 TWh	Apr 1975	Oct 2025	Subbituminous Coal : 99.8%
Windom Wind Project	Midwest Power Partners LLC	Bingham Lake, MN	33 GWh	Feb 2006	Dec 2024	Wind
USS Prokosch Solar LLC	United States Solar Corporation	Bird Island, MN	2 GWh	May 2022	Dec 2024	Solar
USS Wonder Solar LLC	United States Solar Corporation	Bird Island, MN	2 GWh	Jun 2023	Dec 2024	Solar
Biron	Consolidated Water Power Co	Biron, WI	31 GWh	Dec 1895	Dec 2024	Water
Shamrock Solar LLC	Greenbacker Renewable Energy Corporation	Black River Falls, WI	5 GWh	Nov 2021	Dec 2024	Solar
Blue Prairie Solar, LLC	Greenbacker Renewable Energy Corporation	Black River Falls, WI	4 GWh	Jul 2021	Dec 2024	Solar
Century	MidAmerican Energy Co	Blairsburg, IA	572 GWh	Aug 2005	Dec 2024	Wind
McDonough Solar 1, LLC CSG	McDonough Solar 1, LLC	Blandinsville, IL	4 GWh	Nov 2020	Dec 2024	Solar
Bloomfield Municipal Utilities Solar	AEP Onsite Partners, LLC	Bloomfield, IA	2 GWh	Mar 2019	Dec 2024	Solar
Oak Glen Wind Farm	Minnesota Municipal Power Agny	Blooming Prairie, MN	121 GWh	Oct 2011	Dec 2024	Wind
Blooming Prairie	City of Blooming Prairie - (MN)	Blooming Prairie, MN	234 MWh	Apr 1937	Dec 2024	Distillate Fuel Oil
State Farm	State Farm Insurance	Bloomington, IL	26 MWh	Sep 1996	Oct 2025	Distillate Fuel Oil
Breezewood	Cypress Creek Renewables	Bloomington, IL	732 MWh	Aug 2024	Dec 2024	Solar
Big Blue	Big Blue Wind Farm LLC (MN)	Blue Earth, MN	70 GWh	Nov 2012	Dec 2024	Wind
Blue Breezes II LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2024	Wind
Blue Earth	Blue Earth Light & Water	Blue Earth, MN	96 MWh	Oct 1960	Dec 2024	Distillate Fuel Oil
Blue Breezes LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2024	Wind
Marlow Solar, LLC CSG	Marlow Solar, LLC	Bluford, IL	4 GWh	Nov 2020	Dec 2024	Solar
Crooked Lake Solar, LLC	Crooked Lake Solar, LLC	Blytheville, AR	394 GWh	Apr 2024	Oct 2025	Solar
Washington Parish Energy Center	Entergy Louisiana LLC	Bogalusa, LA	392 GWh	Oct 2020	Oct 2025	Natural Gas
Gaylord Container Bogalusa	Temple-Inland Corp	Bogalusa, LA	439 GWh	May 1979	Oct 2025	Black Liquor : 55.6% Wood/Wood Waste Solids : 37.3% Natural Gas : 7.1%
Bonduel Solar WI, LLC	Wisconsin Electric Power Co	Bonduel, WI	1 GWh	Nov 2023	Feb 2024	Solar
Fareway Customer Hosted 1 MW Solar	Interstate Power and Light Co	Boone, IA	1 GWh	Apr 2024	Dec 2024	Solar
Fayetteville Public Schools (SWEPCO)	Nabholz Solar FPS, LLC	Booneville, AR	9 GWh	Jul 2023	Dec 2024	Solar
Kankakee 2	Kankakee Solar 2 LLC	Bourbonnais, IL	3 GWh	Jul 2022	Dec 2024	Solar
Kankakee Solar 1	Pivot Energy	Bourbonnais, IL	2 GWh	Apr 2024	Dec 2024	Solar
Peno Creek	Union Electric Co - (MO)	Bowling Green, MO	118 GWh	Apr 2002	Dec 2024	Natural Gas : 97.4% Distillate Fuel Oil : 2.6%
Hay River (Dunn 1)	Greenbacker Renewable Energy Corporation	Boyceville, WI	3 GWh	Jan 2024	Dec 2024	Solar
Brainerd Airport	AEP Onsite Partners, LLC	Brainerd, MN	10 GWh	Nov 2022	Dec 2024	Solar
Brainerd Public Utilities	Brainerd Public Utilities	Brainerd, MN	11 GWh	Dec 1916	Dec 2023	Water
Staunton	Cypress Creek Renewables	Brazil, IN	7 GWh	Nov 2018	Dec 2024	Solar
Pastime Farm, LLC	Cypress Creek Renewables	Brazil, IN	9 GWh	Nov 2015	Dec 2024	Solar
Gratiot County Wind LLC	Invenergy Services LLC	Breckenridge, MI	228 GWh	Apr 2012	Dec 2024	Wind
Gratiot Wind Park	DTE Electric Company	Breckenridge, MI	223 GWh	Oct 2011	Oct 2025	Wind
Breese	City of Breese - (IL)	Breese, IL	263 MWh	Nov 1953	Dec 2024	Distillate Fuel Oil
Bremen	Indiana Municipal Power Agency	Bremen, IN	13 GWh	Oct 2022	Dec 2024	Solar
Cisco	ALLETE Clean Energy	Brewster, MN	9 GWh	Jan 2008	Dec 2024	Wind
S&P Windfarm LLC	Brewster	Brewster, MN	4 GWh	Nov 2003	Dec 2024	Wind
B&K Energy Systems LLC	Brewster	Brewster, MN	4 GWh	Nov 2003	Dec 2024	Wind
DL Windy Acres LLC	Brewster	Brewster, MN	4 GWh	Nov 2003	Dec 2024	Wind
Pheasant Run Landfill Gas Recovery	WM Renewable Energy LLC	Bristol, WI	48 GWh	Jan 1992	Dec 2024	Landfill Gas
FPL Energy Crystal Lake Wind LLC	FPL Energy Crystal Lake Wind LLC	Britt, IA	573 GWh	Nov 2008	Oct 2025	Wind
FPL Energy Crystal Lake Wind II LLC	FPL Energy Crystal Lake Wind II LLC	Britt, IA	710 GWh	Dec 2008	Oct 2025	Wind
Crystal Lake 3 LLC	Crystal Lake 3 LLC	Britt, IA	233 GWh	Nov 2009	Oct 2025	Wind
Albany Solar (WI)	Wisconsin Power & Light Co	Broadhead, WI	97 GWh	Nov 2023	Oct 2025	Solar
Mulligan Solar, LLC	Mulligan Solar	Broadwell, IL	154 GWh	Jun 2022	Oct 2025	Solar
Craighead Electric Solar One	Today's Power, Inc.	Brookland, AR	2 GWh	Jul 2018	Dec 2024	Solar
Brooklyn	City of Brooklyn - (IA)	Brooklyn, IA	18 MWh	Aug 2012	Dec 2024	Distillate Fuel Oil
Brooklyn City North Plant	City of Brooklyn - (IA)	Brooklyn, IA	14 MWh	Apr 2002	Dec 2024	Distillate Fuel Oil
USS Monarch Solar LLC CSG	Standard Solar	Brooten, MN	2 GWh	Nov 2019	Dec 2024	Solar
Novel Brooten Solar CSG	REA Investments, LLC	Brooten, MN	2 GWh	Sep 2019	Dec 2024	Solar
Bellflower Solar, LLC	National Grid Renewables	Brooten, MN	2 GWh	Nov 2020	Dec 2024	Solar
Pegasus Community Solar	Pegasus Community Solar	Brooten, MN	3 GWh	Jul 2017	Dec 2024	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#60	Alcoa Power Generating, Inc. - Yadkin Division	643.5 GWh	4
#27	Associated Electric Cooperative, Inc.	23.9 TWh	47
#13	Duke Energy Carolinas	111.6 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	34.2 TWh	25
#1	PJM Interconnection, LLC	872.9 TWh	2,465
#6	Southern Company Services, Inc. - Trans	249.9 TWh	417
#5	Southwest Power Pool	300.6 TWh	835
#51	Southwestern Power Administration	5.0 TWh	34
#9	Tennessee Valley Authority	161.0 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	872.9 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	656.9 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	484.7 TWh	1,313
#5	Southwest Power Pool	300.6 TWh	835
#6	Southern Company Services, Inc. - Trans	249.9 TWh	417
#7	California Independent System Operator	184.8 TWh	2,075
#9	Tennessee Valley Authority	161.0 TWh	204
#10	Florida Power & Light Co.	149.6 TWh	187
#12	New York Independent System Operator	132.6 TWh	1,211
#13	Duke Energy Carolinas	111.6 TWh	565