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
Cisco	ALLETE Clean Energy	Brewster, MN	12 GWh	Jan 2008	Dec 2025	Wind
Bremen	Indiana Municipal Power Agency	Bremen, IN	13 GWh	Oct 2022	Dec 2025	Solar
Breese	City of Breese - (IL)	Breese, IL	539 MWh	Nov 1953	Dec 2025	Distillate Fuel Oil
Gratiot Wind Park	DTE Electric Company	Breckenridge, MI	214 GWh	Oct 2011	Jul 2026	Wind
Gratiot County Wind LLC	Invenergy Services LLC	Breckenridge, MI	262 GWh	Apr 2012	Dec 2025	Wind
Pastime Farm, LLC	Cypress Creek Renewables	Brazil, IN	9 GWh	Nov 2015	Dec 2025	Solar
Staunton	Cypress Creek Renewables	Brazil, IN	6 GWh	Nov 2018	Dec 2025	Solar
Brainerd Airport	Onsite Partners, LLC	Brainerd, MN	10 GWh	Nov 2022	Dec 2024	Solar
Brainerd Public Utilities	Brainerd Public Utilities	Brainerd, MN	13 GWh	Dec 1916	Dec 2025	Water
Hay River (Dunn 1)	Greenbacker Renewable Energy Corporation	Boyceville, WI	3 GWh	Jan 2024	Dec 2025	Solar
Bowling Green Renewable Energy Center	Union Electric Co - (MO)	Bowling Green, MO	36 GWh	Mar 2025	Jul 2026	Solar
Peno Creek	Union Electric Co - (MO)	Bowling Green, MO	156 GWh	Apr 2002	Dec 2025	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Kankakee 2	Kankakee Solar 2 LLC	Bourbonnais, IL	4 GWh	Jul 2022	Dec 2025	Solar
Kankakee Solar 1	Pivot Energy	Bourbonnais, IL	4 GWh	Apr 2024	Dec 2025	Solar
Fayetteville Public Schools (SWEPCO)	Nabholz Solar FPS, LLC	Booneville, AR	8 GWh	Jul 2023	Dec 2025	Solar
Fareway Customer Hosted 1 MW Solar	Interstate Power and Light Co	Boone, IA	2 GWh	Apr 2024	Dec 2025	Solar
Bonduel Solar WI, LLC	Wisconsin Electric Power Co	Bonduel, WI	12 GWh	Nov 2023	Dec 2025	Solar
Gaylord Container Bogalusa	Temple-Inland Corp	Bogalusa, LA	432 GWh	May 1979	Jul 2026	Black Liquor : 56.9% Wood/Wood Waste Solids : 36.6% Natural Gas : 6.5%
Washington Parish Energy Center	Entergy Louisiana LLC	Bogalusa, LA	290 GWh	Oct 2020	Jul 2026	Natural Gas
Forgeview Solar	Forgeview Solar, LLC	Blytheville, AR	322 GWh	Nov 2025	Jul 2026	Solar
Crooked Lake Solar, LLC	Crooked Lake Solar, LLC	Blytheville, AR	388 GWh	Apr 2024	Jul 2026	Solar
Marlow Solar, LLC CSG	Marlow Solar, LLC	Bluford, IL	4 GWh	Nov 2020	Dec 2025	Solar
Big Blue	Big Blue Wind Farm LLC (MN)	Blue Earth, MN	71 GWh	Nov 2012	Dec 2025	Wind
Blue Breezes LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2025	Wind
Blue Earth	Blue Earth Light & Water	Blue Earth, MN	81 MWh	Oct 1960	Dec 2025	Distillate Fuel Oil
Blue Breezes II LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2025	Wind
State Farm	State Farm Insurance	Bloomington, IL	30 MWh	Sep 1996	Jul 2026	Distillate Fuel Oil
Breezewood	SunStrong Management, LLC	Bloomington, IL	4 GWh	Aug 2024	Dec 2025	Solar
Blooming Prairie	City of Blooming Prairie - (MN)	Blooming Prairie, MN	246 MWh	Apr 1937	Dec 2025	Distillate Fuel Oil
Oak Glen Wind Farm	Minnesota Municipal Power Agny	Blooming Prairie, MN	102 GWh	Oct 2011	Dec 2025	Wind
Bloomfield Municipal Utilities Solar	Onsite Partners, LLC	Bloomfield, IA	2 GWh	Mar 2019	Dec 2025	Solar
McDonough Solar 1, LLC CSG	McDonough Solar 1, LLC	Blandinsville, IL	4 GWh	Nov 2020	Dec 2025	Solar
Shenandoah Hills Wind Farm	MidAmerican Energy Co	Blanchard, IA	405 GWh	Nov 2025	Jul 2026	Wind
Century	MidAmerican Energy Co	Blairsburg, IA	609 GWh	Aug 2005	Dec 2025	Wind
Shamrock Solar LLC	Altus Power America Management, LLC	Black River Falls, WI	6 GWh	Nov 2021	Dec 2025	Solar
Blue Prairie Solar, LLC	Altus Power America Management, LLC	Black River Falls, WI	4 GWh	Jul 2021	Dec 2025	Solar
Biron	Consolidated Water Power Co	Biron, WI	30 GWh	Dec 1895	Dec 2025	Water
USS Prokosch Solar LLC	United States Solar Corporation	Bird Island, MN	2 GWh	May 2022	Dec 2025	Solar
USS Wonder Solar LLC	United States Solar Corporation	Bird Island, MN	2 GWh	Jun 2023	Dec 2025	Solar
Windom Wind Project	Midwest Power Partners LLC	Bingham Lake, MN	32 GWh	Feb 2006	Dec 2025	Wind
Big Stone	Otter Tail Power Co	Big Stone City, SD	2 TWh	Apr 1975	Jul 2026	Subbituminous Coal : 99.7%
Rogers	Consumers Energy Co - (MI)	Big Rapids, MI	21 GWh	Dec 1921	Dec 2025	Water
Big Lake Project CSG	Madison Energy Investments LLC	Big Lake, MN	9 GWh	May 2018	Sep 2025	Solar
USS Big Lake 1 Solar CSG	United States Solar Corporation	Big Lake, MN	2 GWh	Nov 2018	Dec 2025	Solar
Big Lake Holdco Solar CSG	Big Lake Holdco LLC	Big Lake, MN	12 GWh	Aug 2017	Dec 2025	Solar
Coyote	Otter Tail Power Co	Beulah, ND	2 TWh	Apr 1981	Jul 2026	Lignite Coal : 99.8%
Berryville School District Solar	Today's Power, Inc.	Berryville, AR	2 GWh	Jan 2018	Dec 2025	Solar
Berlin Landfill Gas	WM Renewable Energy LLC	Berlin, WI	12 GWh	Jul 2001	Dec 2025	Landfill Gas
Kelso 2 Solar	Kelso 2 Solar, LLC	Benton, MO	165 GWh	-	Jul 2026	Solar
Kelso Solar	Kelso Solar, LLC	Benton, MO	221 GWh	Nov 2025	Jul 2026	Solar
Benson City of	City of Benson - (MN)	Benson, MN	114 MWh	Apr 2002	Dec 2025	Distillate Fuel Oil
Benndale	Cooperative Energy	Benndale, MS	49 GWh	Sep 1969	Dec 2025	Natural Gas
Novel Milbradt Solar LLC	Novel Milbradt Solar HQ LLC	Belview, MN	2 GWh	Nov 2024	Dec 2025	Solar
West Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	4 TWh	Apr 2020	Jul 2026	Natural Gas
Paddock Solar	Wisconsin Power & Light Co	Beloit, WI	135 GWh	Oct 2023	Jul 2026	Solar
HQC Rock River Solar Power Gen Station	HQC Rock River Solar Power Generation Station LLC	Beloit, WI	3 GWh	Jun 2016	Dec 2024	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%
Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	3 TWh	May 2004	Jul 2026	Natural Gas
Bellevue	City of Bellevue - (IA)	Bellevue, IA	10 MWh	Jun 1947	Dec 2025	Distillate Fuel Oil
Sumpter	Wolverine Power Supply Coop	Belleville, MI	291 GWh	Jun 2002	Dec 2025	Natural Gas
Sumpter Energy Associates	NextEra Renewable Fuels, LLC	Belleville, MI	52 GWh	Jun 1992	Dec 2025	Landfill Gas
French Landing Dam	Eagle Creek Renewable Energy, LLC	Belleville, MI	5 GWh	Nov 1988	Dec 2025	Water
Schmidt CSG 1	SunVest Solar LLC	Belleville, IL	4 GWh	Nov 2024	Dec 2025	Solar
AES Belleville Solar LLC	AES Distributed Energy	Belleville, IL	6 GWh	Aug 2021	Dec 2025	Solar
USS Westeros Solar LLC CSG	Standard Solar	Belle Plaine, MN	2 GWh	May 2020	Dec 2025	Solar
Linden 03 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2025	Solar
Linden 02 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2025	Solar
Linden 01 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2025	Solar
Oak Point Cogen	Chevron Oronite Co LLC	Belle Chasse, LA	98 GWh	Sep 1999	Dec 2025	Natural Gas
Deneb Community Solar	Geronimo Power	Belgrade, MN	2 GWh	Apr 2019	Dec 2025	Solar
Canopus Community Solar	Geronimo Power	Belgrade, MN	2 GWh	Feb 2019	Dec 2025	Solar
Holland Energy Facility	NAES Corporation - (WA)	Beecher City, IL	3 TWh	Aug 2002	Jul 2026	Natural Gas
Contrail Wind Farm	MidAmerican Energy Co	Bedford, IA	340 GWh	Nov 2020	Jul 2026	Wind
Sherco Solar II	Northern States Power Co - Minnesota	Becker, MN	378 GWh	Aug 2025	Jul 2026	Solar
Sherburne County	Northern States Power Co - Minnesota	Becker, MN	6 TWh	Mar 1976	Jul 2026	Subbituminous Coal : 99.8%
Beaver Island	Great Lakes Energy Coop	Beaver Island, MI	50 MWh	Aug 2000	Dec 2025	Distillate Fuel Oil
Walleye Wind	Walleye Wind, LLC	Beaver Creek, MN	457 GWh	Nov 2022	Jul 2026	Wind
ExxonMobil Beaumont Refinery	ExxonMobil Oil Corp	Beaumont, TX	4 TWh	Dec 1965	Jul 2026	Natural Gas : 96.6% Other Gas : 3.4%
Chickadee G-3	Chickadee 3-G Purchaser LLC	Beaumont, TX	216 GWh	Feb 1987	Jul 2026	Natural Gas : 98.4% Waste/Other Oil : 1.6%
Cass County Renewable Energy Center	Union Electric Co - (MO)	Beardstown, IL	308 GWh	Nov 2024	Jul 2026	Solar
SAU Tech	Today's Power, Inc.	Bearden, AR	2 GWh	Jun 2019	Dec 2025	Solar
Water Street Station	City of Bay City - (MI)	Bay City, MI	1 GWh	Jul 1980	Dec 2025	Natural Gas : 90.5% Distillate Fuel Oil : 9.5%
Henry Station	City of Bay City - (MI)	Bay City, MI	1 GWh	Apr 1993	Dec 2025	Natural Gas : 93.0% Distillate Fuel Oil : 7.0%
Battle Creek Mill	RockTenn-Battle Creek Mill	Battle Creek, MI	4 GWh	Dec 1950	Dec 2024	Natural Gas
Cereal City Solar, LLC	Cereal City Solar, LLC	Battle Creek, MI	204 GWh	Nov 2023	Jul 2026	Solar
13 Mile Solar, LLC	13 Mile Solar, LLC	Battle Creek, MI	4 GWh	Nov 2020	Dec 2025	Solar
Calhoun Solar	Invenergy Services LLC	Battle Creek, MI	367 GWh	Nov 2022	Jul 2026	Solar
ExxonMobil Baton Rouge Turbine Generator	Exxon Mobil Corp	Baton Rouge, LA	552 GWh	Apr 1990	Dec 2025	Natural Gas
Formosa Plastics	Formosa Plastics Corp	Baton Rouge, LA	416 GWh	Apr 1985	Dec 2025	Natural Gas
Louisiana 1	Entergy Louisiana LLC	Baton Rouge, LA	3 TWh	Sep 1951	Jul 2026	Natural Gas : 71.4% Other Gas : 28.6%
LSU Cogen	LSU and A&M College	Baton Rouge, LA	122 GWh	Nov 2004	Jul 2026	Natural Gas
Rugby Wind Power Project	Avangrid Power LLC	Barton, ND	348 GWh	Nov 2009	Dec 2025	Wind
Barron Solar Array	Onsite Partners, LLC	Barron, WI	6 GWh	Jul 2021	Dec 2025	Solar
Barron	City of Barron - (WI)	Barron, WI	382 MWh	Jul 1923	Dec 2025	Water
Bancroft	Bancroft Municipal Utilities - (IA)	Bancroft, IA	22 MWh	Dec 1947	Dec 2025	Distillate Fuel Oil
Georgetown (Polk Burnett)	Greenbacker Renewable Energy Corporation	Balsam Lake, WI	4 GWh	Oct 2023	Dec 2025	Solar
Teche	Cleco Power LLC	Baldwin, LA	6 GWh	Jun 1953	Sep 2025	Natural Gas
Baldwin Energy Complex	Dynegy Midwest Generation Inc	Baldwin, IL	6 TWh	Jun 1970	Jul 2026	Subbituminous Coal : 99.8%
Baldwin Solar BESS	Vistra Corp	Baldwin, IL	148 GWh	Nov 2024	Jul 2026	Solar
SV CSG Wagner B LLC	SunVest Solar LLC	Baldwin, IL	5 GWh	Nov 2024	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