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
Bissell Solar and Battery Generator	Consumers Energy Co - (MI)	Grand Rapids, MI	1 GWh	Aug 2021	Dec 2025	Solar
Bisson Windfarm LLC	Bisson Windfarm LLC	Pipestone, MN	4 GWh	Sep 2003	Dec 2025	Wind
Black Dog	Northern States Power Co - Minnesota	Burnsville, MN	870 GWh	Sep 1954	Dec 2025	Natural Gas
Black Oak Wind Farm	Black Oak Wind, LLC	Sauk Centre, MN	305 GWh	Nov 2016	May 2026	Wind
Blakely Mountain	USCE -Vickburg District	Royal, AR	216 GWh	Aug 1955	Dec 2025	Water
Blanchard	ALLETE, Inc.	Royalton, MN	72 GWh	Jan 1925	Dec 2025	Water
Blazing Star 2 Wind Farm	Northern States Power Co - Minnesota	Hendricks, MN	838 GWh	Dec 2020	May 2026	Wind
Blazing Star Wind Farm 1	Northern States Power Co - Minnesota	Hendricks, MN	841 GWh	Mar 2020	May 2026	Wind
Bloomfield Municipal Utilities Solar	Onsite Partners, LLC	Bloomfield, IA	2 GWh	Mar 2019	Dec 2024	Solar
Blooming Prairie	City of Blooming Prairie - (MN)	Blooming Prairie, MN	246 MWh	Apr 1937	Dec 2025	Distillate Fuel Oil
Blount Street	Madison Gas & Electric Co	Madison, WI	59 GWh	May 1957	Dec 2025	Natural Gas
Blue Bird Solar, LLC	Blue Bird Solar, LLC	Warrenton, MO	320 GWh	Nov 2024	May 2026	Solar
Blue Breezes II LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	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	96 MWh	Oct 1960	Dec 2024	Distillate Fuel Oil
Blue Elk II Solar, LLC	Blue Elk II Solar, LLC	Mason, MI	35 GWh	Apr 2024	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 IV Solar, LLC	Blue Elk IV Solar, LLC	Adrian, MI	37 GWh	Nov 2023	Dec 2025	Solar
Blue Elk VII Solar, LLC	Blue Elk VII Solar, LLC	Flint, MI	21 GWh	Oct 2023	Dec 2025	Solar
Blue Goose Solar CSG	Blue Goose Solar	Morrison, IL	4 GWh	Nov 2020	Dec 2025	Solar
Blue Lake	Northern States Power Co - Minnesota	Shakopee, MN	435 GWh	Feb 1974	Dec 2025	Natural Gas
Blue Lake Solar	Cypress Creek Renewables	Shakopee, MN	3 GWh	Nov 2016	Dec 2025	Solar
Blue Prairie Solar, LLC	Altus Power America Management, LLC	Black River Falls, WI	4 GWh	Jul 2021	Dec 2025	Solar
Blue Sky Green Field Wind Project	Wisconsin Electric Power Co	Fond du Lac, WI	320 GWh	Apr 2008	May 2026	Wind
Blue Water Energy Center	DTE Electric Company	East China, MI	8 TWh	May 2022	May 2026	Natural Gas
Blue Water Renewables Inc	Blue Water Renewables Inc	Kimball Township, MI	20 GWh	Nov 2011	Dec 2025	Landfill Gas
Bluff Prairie (Vernon)	Greenbacker Renewable Energy Corporation	De Soto, WI	3 GWh	Oct 2023	Dec 2025	Solar
Boeve Windfarm LLC	Boeve Windfarm LLC	Woodstock, MN	4 GWh	Jul 2003	Dec 2025	Wind
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%
Bolduan CSG	Terraform Arcadia	New Richland, MN	2 GWh	Oct 2018	Dec 2025	Solar
Bonduel Solar WI, LLC	Wisconsin Electric Power Co	Bonduel, WI	12 GWh	Nov 2023	Dec 2025	Solar
Boomtown Renewable Energy Center	Union Electric Co - (MO)	Carmi, IL	290 GWh	Nov 2024	May 2026	Solar
Border Winds Wind Farm	Northern States Power Co - Minnesota	Rolla, ND	513 GWh	Jul 2015	Sep 2025	Wind
Bos Dairy, LLC	Bos Dairy, LLC	Fair Oaks, IN	7 GWh	Dec 2004	Dec 2025	Natural Gas
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
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%
Branch Solar Project	Branch Solar, LLC	Coldwater, MI	12 GWh	-	May 2026	Solar
Breese	City of Breese - (IL)	Breese, IL	539 MWh	Nov 1953	Dec 2025	Distillate Fuel Oil
Breezewood	SunStrong Management, LLC	Bloomington, IL	4 GWh	Aug 2024	Dec 2025	Solar
Bremen	Indiana Municipal Power Agency	Bremen, IN	13 GWh	Oct 2022	Dec 2025	Solar
Brenda Luhman - CSG	CleanCapital Holdings	Zumbrota, MN	2 GWh	Jul 2020	Dec 2025	Solar
Brent Run Generating Station	Energy Developments, Inc d/b/a EDL	Montrose, MI	50 GWh	Dec 1997	Dec 2025	Landfill Gas
Bridge Creek	OneEnergy, Inc.	Augusta, WI	258 MWh	Oct 2025	Dec 2025	Solar
Bright Future	OneEnergy, Inc.	Hammond, WI	361 MWh	Sep 2025	Dec 2025	Solar
Briscoe 1A	7th Road Solar 1, LLC (Briscoe 1A)	Tonica, IL	4 GWh	Jan 2023	Dec 2025	Solar
Briscoe 2A	7th Road Solar 2, LLC (Briscoe 2A)	Lostant, IL	5 GWh	Jan 2023	Dec 2025	Solar
Brookfield	DTE Electric Company	Pigeon, MI	247 GWh	Jan 2014	May 2026	Wind
Brooklyn	City of Brooklyn - (IA)	Brooklyn, IA	14 MWh	Aug 2012	Dec 2025	Distillate Fuel Oil
Brooklyn City North Plant	City of Brooklyn - (IA)	Brooklyn, IA	7 MWh	Apr 2002	Dec 2025	Distillate Fuel Oil
Brooten CSG1, LLC	Nautilus Solar Solutions	Brooten, MN	2 GWh	Jul 2021	Dec 2025	Solar
Brown County Wind Turbine	Adams Electric Cooperative	Mount Sterling, IL	3 MWh	Aug 2011	Feb 2025	Wind
Brule	Wisconsin Electric Power Co	Florence, WI	12 GWh	Dec 1918	Dec 2025	Water
Bryon Center	Energy Developments, Inc d/b/a EDL	Byron Center, MI	31 GWh	Feb 2009	Dec 2025	Landfill Gas
Buckheart Creek Solar I Community Solar	Buckheart Creek Solar 1, LLC	Canton, IL	37 MWh	Nov 2025	Dec 2025	Solar
Buffalo Center Wind LLC	Buffalo Center Wind LLC	Little Cedar, IA	4 GWh	Oct 2011	Dec 2025	Wind
Buffalo Garden	Buffalo Garden LLC	Waseca, MN	2 GWh	Feb 2020	Dec 2025	Solar
Buffalo Lake CSG1, LLC	Nautilus Solar Solutions	Buffalo Lake, MN	2 GWh	Jul 2021	Dec 2025	Solar
Buffalo Ridge I LLC	Avangrid Power LLC	Elkton, SD	95 GWh	Mar 2009	May 2026	Wind
Buffalo Ridge II LLC	Avangrid Power LLC	Elkton, SD	494 GWh	Nov 2010	May 2026	Wind
Buffalo Ridge Wind	Buffalo Ridge Wind, LLC	Lake Benton, MN	428 GWh	Nov 2022	May 2026	Wind
Bulldog	Bulldog Wind Energy, LLC	Orient, IA	4 GWh	Sep 2010	Dec 2025	Wind
Bullhead Solar, LLC	Bullhead Solar, LLC	Fayette, MI	4 GWh	Dec 2020	Dec 2025	Solar
Bunker Hill Solar	SoCore Energy LLC	Lyndon, IL	4 GWh	Oct 2021	Dec 2025	Solar
Bureau Solar 1	Pivot Energy	Princeton, IL	2 GWh	Aug 2025	Dec 2025	Solar
Burlington (IA)	Interstate Power and Light Co	Burlington, IA	26 GWh	May 1968	May 2026	Natural Gas
Bushnell	City of Bushnell - (IL)	Bushnell, IL	78 MWh	May 1940	Dec 2025	Distillate Fuel Oil
Butler Ridge	Butler Ridge Wind Energy Center	Mayville, WI	138 GWh	Jan 2009	May 2026	Wind
Byrne Solar, LLC	Byrne Solar, LLC	Lowell, MI	10 GWh	Sep 2023	Dec 2025	Solar
C&L	Today's Power, Inc.	Star City, AR	2 GWh	May 2020	Dec 2025	Solar
C W Tippy	Consumers Energy Co - (MI)	Wellston, MI	56 GWh	Dec 1917	Dec 2025	Water
Cadillac Renewable Energy	Cadillac Renewable Energy LLC	Cadillac, MI	169 GWh	Jul 1993	Dec 2025	Wood/Wood Waste Solids
Caelum Community Solar	Caelum Community Solar	Foley, MN	3 GWh	Sep 2017	Dec 2025	Solar
Calcasieu	Entergy Louisiana LLC	Sulphur, LA	139 GWh	Apr 2000	Dec 2025	Natural Gas
Caldron Falls	Wisconsin Public Service Corp	Town of Stephenson, WI	11 GWh	Oct 1924	Dec 2025	Water
Caledonia Solar WI, LLC	Wisconsin Electric Power Co	Caledonia, WI	9 GWh	Mar 2025	Dec 2025	Solar
Calhoun County Solar Project	AES Clean Energy	Sheridan Township, MI	250 GWh	Feb 2025	May 2026	Solar
Calhoun Solar	Invenergy Services LLC	Battle Creek, MI	369 GWh	Nov 2022	May 2026	Solar
California Ridge Wind Energy LLC	SunEdison LLC	Fithian, IL	692 GWh	Nov 2012	May 2026	Wind
Callaway	Union Electric Co - (MO)	Fulton, MO	9 TWh	Nov 1984	May 2026	Nuclear
Cambridge CT Hybrid	Great River Energy	Cambridge, MN	101 GWh	Apr 1978	Dec 2025	Natural Gas : 91.7% Distillate Fuel Oil : 8.3%
Camellia Solar, LLC	Geronimo Power	Glenwood, MN	2 GWh	Nov 2020	Dec 2025	Solar
Camp Atterbury Microgrid Hybrid	Duke Energy Indiana, LLC	Edinburgh, IN	2 GWh	Oct 2019	Dec 2025	Solar
Camp Ripley Solar	Camp Riley Solar Facility	Little Falls, MN	14 GWh	Oct 2016	Dec 2025	Solar
Cannelton Hydroelectric Plant	American Mun Power-Ohio, Inc	Hawesville, KY	417 GWh	Dec 2015	Dec 2025	Water
Cannon Falls Energy Center	Invenergy Services LLC	Cannon Falls, MN	954 GWh	Mar 2008	May 2026	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Cannon Garden Solar	Cannon Garden LLC	Faribault, MN	2 GWh	Dec 2019	Dec 2025	Solar
Canopus Community Solar	Geronimo Power	Belgrade, MN	2 GWh	Feb 2019	Dec 2024	Solar
Cape Girardeau Renewable Energy Center	Union Electric Co - (MO)	Cape Girardeau, MO	2 GWh	Oct 2021	Dec 2025	Solar
Capella Community Solar	Capella Community Solar	Pipestone, MN	9 GWh	Sep 2017	Dec 2025	Solar
Capricornus Community Solar Garden	Geronimo Power	Paynsville, MN	2 GWh	Dec 2018	Dec 2025	Solar
Captain Solar, LLC	Captain Solar, LLC	Mt. Morris, MI	4 GWh	Nov 2020	Dec 2025	Solar
Cardinal Point Wind	Cardinal Point LLC	Sciota, IL	521 GWh	Feb 2020	May 2026	Wind
Cargill Corn Milling Division	Cargill Inc North America Sweetners	Eddyville, IA	112 GWh	Nov 1952	Dec 2025	Natural Gas
Carina Community Solar	Carina Community Solar	Zumbro Falls, MN	6 GWh	Jan 2018	Dec 2025	Solar
Carleton College	Carleton College	Northfield, MN	8 GWh	Aug 2004	Dec 2025	Wind : 99.5%
Carlson Community (CSG)	CleanCapital Holdings	Lindstrom, MN	2 GWh	Sep 2020	Dec 2025	Solar
Carlyle	City of Carlyle - (IL)	Carlyle, IL	208 MWh	Jul 1964	Dec 2025	Distillate Fuel Oil
Carmi	City of Carmi - (IL)	Carmi, IL	230 MWh	Nov 1948	Dec 2024	Distillate Fuel Oil
Carpenter	Entergy Arkansas LLC	Hot Springs, AR	147 GWh	Dec 1931	Dec 2025	Water

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