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	Jul 2026
Annual Generation	669.4 TWh
Power Plants	3,038
Utilities	1,345
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% Coal \| 26.5% Wind \| 14.9% Nuclear \| 13.9% Solar \| 5.7% Water \| 1.4% Other Fuel \| 0.6%

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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
Byrne Solar, LLC	Byrne Solar, LLC	Lowell, MI	10 GWh	Sep 2023	Dec 2025	Solar
Butler Ridge	Butler Ridge Wind Energy Center	Mayville, WI	138 GWh	Jan 2009	May 2026	Wind
Bushnell	City of Bushnell - (IL)	Bushnell, IL	78 MWh	May 1940	Dec 2025	Distillate Fuel Oil
Burlington (IA)	Interstate Power and Light Co	Burlington, IA	26 GWh	May 1968	May 2026	Natural Gas
Bureau Solar 1	Pivot Energy	Princeton, IL	2 GWh	Aug 2025	Dec 2025	Solar
Bunker Hill Solar	SoCore Energy LLC	Lyndon, IL	4 GWh	Oct 2021	Dec 2025	Solar
Bullhead Solar, LLC	Bullhead Solar, LLC	Fayette, MI	4 GWh	Dec 2020	Dec 2025	Solar
Bulldog	Bulldog Wind Energy, LLC	Orient, IA	4 GWh	Sep 2010	Dec 2025	Wind
Buffalo Ridge Wind	Buffalo Ridge Wind, LLC	Lake Benton, MN	428 GWh	Nov 2022	May 2026	Wind
Buffalo Ridge II LLC	Avangrid Power LLC	Elkton, SD	494 GWh	Nov 2010	May 2026	Wind
Buffalo Ridge I LLC	Avangrid Power LLC	Elkton, SD	95 GWh	Mar 2009	May 2026	Wind
Buffalo Lake CSG1, LLC	Nautilus Solar Solutions	Buffalo Lake, MN	2 GWh	Jul 2021	Dec 2025	Solar
Buffalo Garden	Buffalo Garden LLC	Waseca, MN	2 GWh	Feb 2020	Dec 2025	Solar
Buffalo Center Wind LLC	Buffalo Center Wind LLC	Little Cedar, IA	4 GWh	Oct 2011	Dec 2025	Wind
Buckheart Creek Solar I Community Solar	Buckheart Creek Solar 1, LLC	Canton, IL	37 MWh	Nov 2025	Dec 2025	Solar
Bryon Center	Energy Developments, Inc d/b/a EDL	Byron Center, MI	31 GWh	Feb 2009	Dec 2025	Landfill Gas
Brule	Wisconsin Electric Power Co	Florence, WI	12 GWh	Dec 1918	Dec 2025	Water
Brown County Wind Turbine	Adams Electric Cooperative	Mount Sterling, IL	3 MWh	Aug 2011	Feb 2025	Wind
Brooten CSG1, LLC	Nautilus Solar Solutions	Brooten, MN	2 GWh	Jul 2021	Dec 2025	Solar
Brooklyn City North Plant	City of Brooklyn - (IA)	Brooklyn, IA	7 MWh	Apr 2002	Dec 2025	Distillate Fuel Oil
Brooklyn	City of Brooklyn - (IA)	Brooklyn, IA	14 MWh	Aug 2012	Dec 2025	Distillate Fuel Oil
Brookfield	DTE Electric Company	Pigeon, MI	247 GWh	Jan 2014	May 2026	Wind
Briscoe 2A	7th Road Solar 2, LLC (Briscoe 2A)	Lostant, IL	5 GWh	Jan 2023	Dec 2025	Solar
Briscoe 1A	7th Road Solar 1, LLC (Briscoe 1A)	Tonica, IL	4 GWh	Jan 2023	Dec 2025	Solar
Bright Future	OneEnergy, Inc.	Hammond, WI	361 MWh	Sep 2025	Dec 2025	Solar
Bridge Creek	OneEnergy, Inc.	Augusta, WI	258 MWh	Oct 2025	Dec 2025	Solar
Brent Run Generating Station	Energy Developments, Inc d/b/a EDL	Montrose, MI	50 GWh	Dec 1997	Dec 2025	Landfill Gas
Brenda Luhman - CSG	CleanCapital Holdings	Zumbrota, MN	2 GWh	Jul 2020	Dec 2025	Solar
Bremen	Indiana Municipal Power Agency	Bremen, IN	13 GWh	Oct 2022	Dec 2025	Solar
Breezewood	SunStrong Management, LLC	Bloomington, IL	4 GWh	Aug 2024	Dec 2025	Solar
Breese	City of Breese - (IL)	Breese, IL	539 MWh	Nov 1953	Dec 2025	Distillate Fuel Oil
Branch Solar Project	Branch Solar, LLC	Coldwater, MI	12 GWh	-	May 2026	Solar
Brame Energy Center	Cleco Power LLC	Lena, LA	3 TWh	May 1975	May 2026	Subbituminous Coal : 47.5% Natural Gas : 36.5% Petroleum Coke : 11.3% Bituminous Coal : 4.7%
Brainerd Public Utilities	Brainerd Public Utilities	Brainerd, MN	13 GWh	Dec 1916	Dec 2025	Water
Brainerd Airport	Onsite Partners, LLC	Brainerd, MN	10 GWh	Nov 2022	Dec 2024	Solar
Bos Dairy, LLC	Bos Dairy, LLC	Fair Oaks, IN	7 GWh	Dec 2004	Dec 2025	Natural Gas
Border Winds Wind Farm	Northern States Power Co - Minnesota	Rolla, ND	513 GWh	Jul 2015	Sep 2025	Wind
Boomtown Renewable Energy Center	Union Electric Co - (MO)	Carmi, IL	290 GWh	Nov 2024	May 2026	Solar
Bonduel Solar WI, LLC	Wisconsin Electric Power Co	Bonduel, WI	12 GWh	Nov 2023	Dec 2025	Solar
Bolduan CSG	Terraform Arcadia	New Richland, MN	2 GWh	Oct 2018	Dec 2025	Solar
Boise Cascade International Falls	Boise White Paper LLC	International Falls, MN	333 GWh	Dec 1926	May 2026	Black Liquor : 63.4% Natural Gas : 22.5% Wood/Wood Waste Solids : 12.8% Sludge Waste : 1.3%
Boeve Windfarm LLC	Boeve Windfarm LLC	Woodstock, MN	4 GWh	Jul 2003	Dec 2025	Wind
Bluff Prairie (Vernon)	Greenbacker Renewable Energy Corporation	De Soto, WI	3 GWh	Oct 2023	Dec 2025	Solar
Blue Water Renewables Inc	Blue Water Renewables Inc	Kimball Township, MI	20 GWh	Nov 2011	Dec 2025	Landfill Gas
Blue Water Energy Center	DTE Electric Company	East China, MI	8 TWh	May 2022	May 2026	Natural Gas
Blue Sky Green Field Wind Project	Wisconsin Electric Power Co	Fond du Lac, WI	320 GWh	Apr 2008	May 2026	Wind
Blue Prairie Solar, LLC	Altus Power America Management, LLC	Black River Falls, WI	4 GWh	Jul 2021	Dec 2025	Solar
Blue Lake Solar	Cypress Creek Renewables	Shakopee, MN	3 GWh	Nov 2016	Dec 2025	Solar
Blue Lake	Northern States Power Co - Minnesota	Shakopee, MN	435 GWh	Feb 1974	Dec 2025	Natural Gas
Blue Goose Solar CSG	Blue Goose Solar	Morrison, IL	4 GWh	Nov 2020	Dec 2025	Solar
Blue Elk VII Solar, LLC	Blue Elk VII Solar, LLC	Flint, MI	21 GWh	Oct 2023	Dec 2025	Solar
Blue Elk IV Solar, LLC	Blue Elk IV Solar, LLC	Adrian, MI	37 GWh	Nov 2023	Dec 2025	Solar
Blue Elk III Solar, LLC	Blue Elk III Solar, LLC	Eaton Rapids, MI	37 GWh	Nov 2023	Dec 2025	Solar
Blue Elk II Solar, LLC	Blue Elk II Solar, LLC	Mason, MI	35 GWh	Apr 2024	Dec 2025	Solar
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 2025	Wind
Blue Breezes II LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2025	Wind
Blue Bird Solar, LLC	Blue Bird Solar, LLC	Warrenton, MO	320 GWh	Nov 2024	May 2026	Solar
Blount Street	Madison Gas & Electric Co	Madison, WI	59 GWh	May 1957	Dec 2025	Natural Gas
Blooming Prairie	City of Blooming Prairie - (MN)	Blooming Prairie, MN	246 MWh	Apr 1937	Dec 2025	Distillate Fuel Oil
Bloomfield Municipal Utilities Solar	Onsite Partners, LLC	Bloomfield, IA	2 GWh	Mar 2019	Dec 2024	Solar
Blazing Star Wind Farm 1	Northern States Power Co - Minnesota	Hendricks, MN	841 GWh	Mar 2020	May 2026	Wind
Blazing Star 2 Wind Farm	Northern States Power Co - Minnesota	Hendricks, MN	838 GWh	Dec 2020	May 2026	Wind
Blanchard	ALLETE, Inc.	Royalton, MN	72 GWh	Jan 1925	Dec 2025	Water
Blakely Mountain	USCE -Vickburg District	Royal, AR	216 GWh	Aug 1955	Dec 2025	Water
Black Oak Wind Farm	Black Oak Wind, LLC	Sauk Centre, MN	305 GWh	Nov 2016	May 2026	Wind
Black Dog	Northern States Power Co - Minnesota	Burnsville, MN	870 GWh	Sep 1954	Dec 2025	Natural Gas
Bisson Windfarm LLC	Bisson Windfarm LLC	Pipestone, MN	4 GWh	Sep 2003	Dec 2025	Wind
Bissell Solar and Battery Generator	Consumers Energy Co - (MI)	Grand Rapids, MI	1 GWh	Aug 2021	Dec 2025	Solar
Bison I Wind Energy Center	ALLETE, Inc.	New Salem, ND	196 GWh	Nov 2010	Dec 2025	Wind
Bison 4 Wind Energy Center	ALLETE, Inc.	New Salem, ND	573 GWh	Dec 2014	Dec 2025	Wind
Bison 3 Wind Energy Center	ALLETE, Inc.	New Salem, ND	268 GWh	Nov 2012	Dec 2025	Wind
Bison 2 Wind Energy Center	ALLETE, Inc.	New Salem, ND	270 GWh	Nov 2012	Dec 2025	Wind
Bishop Hill III	Invenergy Services LLC	Cambridge, IL	426 GWh	May 2018	May 2026	Wind
Bishop Hill II Wind Farm	Bishop Hill Energy II, LLC	Cambridge, IL	334 GWh	Sep 2012	Dec 2025	Wind
Biron Mill	ND Paper, Inc.	Wisconsin Rapids, WI	96 GWh	Aug 1947	Dec 2024	Natural Gas : 79.6% Subbituminous Coal : 20.4%
Biron	Consolidated Water Power Co	Biron, WI	30 GWh	Dec 1895	Dec 2025	Water
Birch	Birch Power LLC	Clearfield, IA	7 GWh	Jan 2017	Dec 2025	Wind
BioTown Ag	Bio Town Biogas, LLC	Reynolds, IN	33 GWh	May 2011	Dec 2024	Other Biomass Gas
Bingham Solar, LLC	Geronimo Power	St. Johns, MI	42 GWh	Nov 2020	Dec 2025	Solar
Billerud Quinnesec Mill	Billerud Quinnesec Mill	Norway, MI	318 GWh	Sep 1985	Dec 2025	Black Liquor : 64.2% Wood/Wood Waste Solids : 32.7% Natural Gas : 3.1%
Big Turtle Wind Farm, LLC	DTE Sustainable Generation	Harbor Beach, MI	76 GWh	Nov 2014	Dec 2025	Wind
Big Turtle Wind Farm 2	DTE Electric Company	Harbor Beach, MI	104 GWh	Sep 2016	Dec 2025	Wind
Big Stone	Otter Tail Power Co	Big Stone City, SD	2 TWh	Apr 1975	May 2026	Subbituminous Coal : 99.8%
Big River Solar	Big River Solar, LLC	Norris City, IL	313 GWh	Jul 2022	May 2026	Solar
Big Quinnesec 92	Wisconsin Electric Power Co	Iron Mountain, MI	100 GWh	Oct 1949	Dec 2025	Water
Big Quinnesec 61	Wisconsin Electric Power Co	Iron Mountain, MI	2 GWh	Apr 1914	Dec 2025	Water
Big Lake Project CSG	Madison Energy Investments LLC	Big Lake, MN	9 GWh	May 2018	Sep 2025	Solar
Big Lake Holdco Solar CSG	Big Lake Holdco LLC	Big Lake, MN	8 GWh	Aug 2017	Dec 2024	Solar
Big Falls	Northern States Power Co - Minnesota	Glen Fora, WI	27 GWh	Dec 1921	Dec 2025	Water
Big Cypress Solar, LLC	Big Cypress Solar, LLC	Crawfordsville, AR	421 GWh	Nov 2023	May 2026	Solar
Big Cajun 2	Louisiana Generating LLC	New Roads, LA	2 TWh	Jun 1981	May 2026	Subbituminous Coal : 69.2% Natural Gas : 30.8%
Big Cajun 1	Louisiana Generating LLC	Jarreau, LA	158 GWh	May 1972	Dec 2025	Natural Gas
Big Blue	Big Blue Wind Farm LLC (MN)	Blue Earth, MN	71 GWh	Nov 2012	Dec 2025	Wind
Betcher CSG 1, LLC	Madison Energy Holdings LLC	Goodhue, MN	2 GWh	Oct 2020	Dec 2025	Solar
Betcher Community Solar Garden	Betcher CSG LLC	Goodhue, MN	2 GWh	Jul 2018	Dec 2025	Solar
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
BentonSun LLC	SunShare Management	Norwood Young America, MN	8 GWh	Nov 2016	Dec 2025	Solar
Benton County Wind Farm	Orion Energy Group LLC	Earl Park, IN	343 GWh	Apr 2008	Dec 2025	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	442.5 GWh	4
#26	Associated Electric Cooperative, Inc.	23.4 TWh	47
#13	Duke Energy Carolinas	112.6 TWh	577
#50	Duke Energy Progress West	4.5 TWh	15
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	33.9 TWh	25
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#5	Southwest Power Pool	306.8 TWh	856
#53	Southwestern Power Administration	4.1 TWh	34
#9	Tennessee Valley Authority	163.4 TWh	207

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#2	Midcontinent Independent System Operator, Inc.	669.4 TWh	3,038
#3	Electric Reliability Council of Texas, Inc.	494.1 TWh	1,471
#5	Southwest Power Pool	306.8 TWh	856
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#7	California Independent System Operator	169.4 TWh	2,135
#9	Tennessee Valley Authority	163.4 TWh	207
#10	Florida Power & Light Co.	152.2 TWh	187
#12	New York Independent System Operator	134.3 TWh	1,299
#13	Duke Energy Carolinas	112.6 TWh	577