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
Formosa Plastics	Formosa Plastics Corp	Baton Rouge, LA	416 GWh	Apr 1985	Dec 2025	Natural Gas
Forgeview Solar	Forgeview Solar, LLC	Blytheville, AR	187 GWh	Nov 2025	May 2026	Solar
Forest Lake Solar CSG	Forest Lake Holdco LLC	Scandia, MN	7 GWh	Jun 2017	Dec 2025	Solar
Forest City Solar	Green Street Power Partners	Forest City, IA	5 GWh	Aug 2019	Dec 2025	Solar
Forest City Light Plant	City of Forest City- (IA)	Forest City, IA	392 MWh	Dec 1945	Dec 2025	Distillate Fuel Oil
Foreman's Hill Community Solar	Foreman's Hill CSG LLC	Red Wing, MN	7 GWh	Jun 2018	Dec 2024	Solar
Ford County Wind Farm LLC	Ford Ridge	Ford County, IL	469 GWh	Feb 2022	May 2026	Wind
Foote	Consumers Energy Co - (MI)	Oscoda, MI	28 GWh	Dec 1917	Dec 2025	Water
Fontanelle	Forward Fontanelle Power, LLC	Fontanelle, IA	5 GWh	Jul 2012	Dec 2025	Wind
Fond du Lac Community Solar	SoCore Energy LLC	Fond Du Lac, WI	2 GWh	Nov 2021	Dec 2025	Solar
Fond Du Lac	ALLETE, Inc.	Duluth, MN	38 GWh	Dec 1923	Dec 2025	Water
Flying Cloud Power Partners LLC	Avangrid Power LLC	Lake Park, IA	98 GWh	Nov 2003	Dec 2025	Wind
Florence Hills LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2024	Wind
Flora Site B	City of Flora - (IL)	Flora, IL	43 MWh	Nov 2001	Dec 2025	Distillate Fuel Oil
Flora Site A	City of Flora - (IL)	Flora, IL	47 MWh	Nov 2001	Dec 2025	Distillate Fuel Oil
Flodquist Community Solar LLC CSG	Flodquist Community Solar LLC	Lindstrom, MN	2 GWh	Jul 2021	Dec 2025	Solar
Flint Hills Resources Pine Bend, LLC	Flint Hills Resources Pine Bend, LLC	Rosemount, MN	362 GWh	Apr 2019	Dec 2025	Natural Gas : 78.8% Solar : 21.2%
Flat Fork Solar	Flat Fork Solar, LLC	Wheatley, AR	339 GWh	Jul 2025	May 2026	Solar
Flambeau Solar Partners	REC Solar	Phillips, WI	4 GWh	Apr 2017	Dec 2024	Solar
Flambeau Lower Project	Zero6 Energy Hydro	Park Falls, WI	3 GWh	Dec 1922	Dec 2025	Water
Flambeau Hydroelectric Station	Dairyland Power Coop	Ladysmith, WI	62 GWh	Dec 1950	Dec 2024	Water
Flambeau Crowley Rapids Project	Zero6 Energy Hydro	Park Falls, WI	4 GWh	Dec 1929	Dec 2025	Water
Five Oaks Gas Recovery	WM Renewable Energy LLC	Taylorville, IL	24 GWh	Jan 2008	Dec 2025	Landfill Gas
Five Channels	Consumers Energy Co - (MI)	Oscoda, MI	23 GWh	Dec 1911	Dec 2025	Water
Fish Creek Solar Park	DTE Electric Company	Greenville, MI	49 GWh	-	May 2026	Solar
Fillmore County Solar Project	Geronimo Power	Spring Valley, MN	81 GWh	Nov 2024	May 2026	Solar
Fiber Recovery, Inc.	Fiber Recovery, Inc	Ringle, WI	7 GWh	Dec 2007	Dec 2024	Landfill Gas
Fey Windfarm LLC	Fey Windfarm LLC	Woodstock, MN	4 GWh	Aug 2003	Dec 2025	Wind
Fermi	DTE Electric Company	Frenchtown Twp, MI	8 TWh	Mar 1966	May 2026	Nuclear
Fenton Wind Farm	EDF Renewable Asset Holdings, Inc.	Chandler, MN	387 GWh	Aug 2007	May 2026	Wind
Fennimore Solar	Green Street Power Partners	Fennimore, WI	5 GWh	Aug 2019	Dec 2025	Solar
Fennimore	City of Fennimore - (WI)	Fennimore, WI	75 MWh	Jan 1952	Dec 2025	Distillate Fuel Oil
Felton CSG PV1-5	Ecoplexus, Inc	Randolph, MN	7 GWh	May 2019	Dec 2025	Solar
Fayetteville Public Schools (SWEPCO)	Nabholz Solar FPS, LLC	Booneville, AR	9 GWh	Jul 2023	Dec 2024	Solar
FastSun12 CSG	Altus Power America Management, LLC	Morristown, MN	2 GWh	Jun 2021	Dec 2025	Solar
FastSun 9 CSG	Altus Power America Management, LLC	Zumbrota, MN	2 GWh	Feb 2020	Dec 2025	Solar
FastSun 8 CSG	Altus Power America Management, LLC	Courtland, MN	2 GWh	Nov 2019	Dec 2025	Solar
FastSun 7 CSG	Altus Power America Management, LLC	Stewart, MN	2 GWh	Nov 2019	Dec 2025	Solar
FastSun 5 CSG	Altus Power America Management, LLC	La Crescent, MN	2 GWh	Dec 2019	Dec 2025	Solar
FastSun 4 CSG	Altus Power America Management, LLC	Hugo, MN	2 GWh	May 2021	Dec 2025	Solar
FastSun 3 CSG	Altus Power America Management, LLC	Albany, MN	2 GWh	Nov 2019	Dec 2025	Solar
FastSun 21 CSG	Altus Power America Management, LLC	St. Cloud, MN	2 GWh	May 2021	Dec 2025	Solar
FastSun 2 CSG	Altus Power America Management, LLC	Randolph Township, MN	2 GWh	May 2020	Dec 2025	Solar
FastSun 19 CSG	Altus Power America Management, LLC	Farmington, MN	2 GWh	May 2020	Dec 2025	Solar
FastSun 18 CSG	Altus Power America Management, LLC	La Crescent, MN	2 GWh	Dec 2019	Dec 2025	Solar
FastSun 14 CSG	Altus Power America Management, LLC	Eagle Lake, MN	2 GWh	Nov 2019	Dec 2025	Solar
FastSun 13 CSG	Altus Power America Management, LLC	Osakis, MN	2 GWh	Nov 2019	Dec 2025	Solar
FastSun 11 CSG	Altus Power America Management, LLC	Zumbrota, MN	2 GWh	Feb 2020	Dec 2025	Solar
FastSun 10 CSG	Altus Power America Management, LLC	Zumbrota, MN	2 GWh	Feb 2020	Dec 2025	Solar
FastSun 1 CSG	Altus Power America Management, LLC	Dassel, MN	2 GWh	Nov 2019	Dec 2025	Solar
Farmington Holdco Solar	Farmington Holdco LLC	Farmington, MN	8 GWh	Jan 2017	Dec 2025	Solar
Farmers Electric Cooperative - Kalona	Farmers Electric Coop - (IA)	Kalona, IA	174 MWh	Feb 2001	Dec 2025	Distillate Fuel Oil
Farmers Electric Cooperative	Today's Power, Inc.	Newport, AR	2 GWh	May 2019	Dec 2025	Solar
Farmers City Wind LLC	Avangrid Power LLC	Tarkio, MO	253 GWh	Mar 2009	Dec 2025	Wind
Farmer City	City of Farmer City - (IL)	Farmer City, IL	59 MWh	Mar 1951	Dec 2025	Distillate Fuel Oil
Faribault Energy Park	Minnesota Municipal Power Agny	Faribault, MN	800 GWh	Apr 2005	Dec 2025	Natural Gas
Fareway Customer Hosted 1 MW Solar	Interstate Power and Light Co	Boone, IA	2 GWh	Apr 2024	Dec 2025	Solar
Falls Creek Garden	Falls Creek Garden LLC	Faribault, MN	2 GWh	Jan 2020	Oct 2025	Solar
Fairmont Wind	Southern Minnesota Mun P Agny	Fairmont, MN	13 GWh	Feb 2003	Dec 2025	Wind
Fairmont (MN)	Southern Minnesota Mun P Agny	Fairmont, MN	8 GWh	Dec 1974	Dec 2025	Natural Gas : 98.8% Distillate Fuel Oil : 1.2%
Fairgrounds	Union Electric Co - (MO)	Jefferson City, MO	21 MWh	Jul 1974	Dec 2025	Distillate Fuel Oil
Fairfax	City of Fairfax - (MN)	Fairfax, MN	6 MWh	Jul 2001	Dec 2025	Distillate Fuel Oil
Fairbanks Wind Park	DTE Electric Company	Garden, MI	182 GWh	Dec 2021	May 2026	Wind
Fairbanks Solar Project	Fairbanks Solar Energy Center LLC	Fairbanks, IN	510 GWh	Apr 2025	May 2026	Solar
Factory	City of Springfield - (IL)	Springfield, IL	132 MWh	Jul 1973	Dec 2025	Distillate Fuel Oil
F.D. Kuester Generating Station	Upper Michigan Energy Resources Company	Negaunee, MI	368 GWh	Feb 2019	Dec 2025	Natural Gas
F B Culley	Southern Indiana Gas & Elec Co	Newburgh, IN	1 TWh	Nov 1966	May 2026	Bituminous Coal : 98.0% Natural Gas : 2.0%
ExxonMobil Beaumont Refinery	ExxonMobil Oil Corp	Beaumont, TX	4 TWh	Dec 1965	May 2026	Natural Gas : 96.6% Other Gas : 3.4%
ExxonMobil Baton Rouge Turbine Generator	Exxon Mobil Corp	Baton Rouge, LA	552 GWh	Apr 1990	Dec 2025	Natural Gas
Expander Turbine	Cleveland Cliffs	East Chicago, IN	85 GWh	Apr 1981	May 2026	Blast Furnace Gas
Ewington Energy Systems, LLC	Ewington Energy Systems, LLC	Worthington, MN	81 GWh	Dec 2007	Dec 2025	Wind
Evonik Industries AG	Evonik Degussa Corporation	Lafayette, IN	7 MWh	Apr 1992	Dec 2024	Distillate Fuel Oil
Everson Garden	Everson Garden LLC	Waseca, MN	2 GWh	Apr 2022	Dec 2025	Solar
ESIL-PFCHICAGO 3, LLC	Madison Energy Holdings LLC	Chicago, IL	2 GWh	Jul 2020	Dec 2025	Solar
ESIL-PFCHICAGO 2, LLC	Madison Energy Holdings LLC	Chicago, IL	2 GWh	Oct 2020	Dec 2025	Solar
Escanaba Mill	Billerud Escanaba LLC	Escanaba, MI	452 GWh	Dec 1968	May 2026	Black Liquor : 45.8% Natural Gas : 31.6% Wood/Wood Waste Solids : 21.8% Residual Fuel Oil : 0.8%
Erin Garden Solar	Erin Garden LLC	City of Green Isle, MN	2 GWh	Mar 2020	Dec 2025	Solar
Ergon Refining Vicksburg	Ergon Refining Inc	Vicksburg, MS	35 GWh	Feb 1995	Dec 2025	Natural Gas
Equuleus Community Solar Gardens	MN8 Energy LLC	Rosemount, MN	8 GWh	Jul 2017	Dec 2025	Solar
Epic Verona	Epic Hosting, LLC	Verona, WI	2 GWh	May 2009	Dec 2025	Solar : 90.8% Distillate Fuel Oil : 9.2%
Eolos Wind Energy Research Field Station	Regents of the University of Minnesota	Rosemount, MN	2 GWh	Sep 2011	Dec 2025	Wind
Envoy Solar, LLC	Birch Creek Power, LLC	Mexico, MO	109 GWh	Jan 2025	May 2026	Solar
Enterprise MN - Ferche CSG	Standard Solar	Paynesville, MN	35 MWh	Nov 2025	Dec 2025	Solar
Enterprise MN - Buscho CSG	Standard Solar	Owatonna, MN	26 MWh	Nov 2025	Dec 2025	Solar
Enter Solar	Arcadia Solar, LLC	Janesville, MN	2 GWh	Dec 2018	Dec 2025	Solar
ENO Paterson Solar	Entergy New Orleans, LLC	New Orleans, LA	1 GWh	May 2016	Dec 2025	Solar
English Farms	Interstate Power and Light Co	Montezuma, IA	573 GWh	Feb 2019	May 2026	Wind
ENGIE 2020 ProjectCo-WI1 LLC	ENGIE 2020 ProjectCo-WI1 LLC	Fond Du Lac, WI	2 GWh	Nov 2021	Dec 2025	Solar
Empire Solar	Cypress Creek Renewables	Farmington, MN	6 GWh	Nov 2016	Dec 2025	Solar
Emmons-Logan Wind, LLC	Emmons-Logan Wind, LLC	Linton, ND	849 GWh	Nov 2019	May 2026	Wind
Emily Solar, LLC	RWE Clean Energy	Casey, IL	235 GWh	Nov 2025	May 2026	Solar
Emery Station	Interstate Power and Light Co	Clear Lake, IA	2 TWh	Apr 2004	May 2026	Natural Gas
Elroy Solar	Green Street Power Partners	Mauston, WI	1 GWh	Aug 2019	Dec 2025	Solar
Elroy	City of Elroy - (WI)	Elroy, WI	48 MWh	Apr 1973	Dec 2025	Distillate Fuel Oil
Elm Street Substation Generators	City of Farmington - (MO)	Farmington, MO	16 MWh	Sep 2002	Dec 2025	Distillate Fuel Oil
Elm Road Generating Station	Wisconsin Electric Power Co	Oak Creek, WI	8 TWh	Jan 2010	May 2026	Subbituminous Coal : 86.7% Bituminous Coal : 10.5% Natural Gas : 2.8%
Elm Creek Wind LLC	Avangrid Power LLC	Trimont, MN	192 GWh	Nov 2008	Dec 2025	Wind
Elm Creek Wind II LLC	Avangrid Power LLC	Trimont, MN	187 GWh	Nov 2010	Dec 2025	Wind
Ellettsville Solar RES	Hoosier Energy R E C, Inc	Ellettsville, IN	1 GWh	Sep 2016	Dec 2025	Solar
Elk Wind Farm	Greenbacker Renewable Energy Corporation	Greeley, IA	173 GWh	Nov 2011	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