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	Apr 2026
Annual Generation	664.4 TWh
Power Plants	2,831
Utilities	1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 54 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 36.9% Coal \| 27.6% Wind \| 14.8% Nuclear \| 13.6% Solar \| 5% 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
Flint Hills Resources Pine Bend, LLC	Flint Hills Resources Pine Bend, LLC	Rosemount, MN	299 GWh	Apr 2019	Dec 2024	Natural Gas
Blue Bird Solar, LLC	Blue Bird Solar, LLC	Warrenton, MO	299 GWh	Nov 2024	Feb 2026	Solar
Black Oak Wind Farm	Black Oak Wind, LLC	Sauk Centre, MN	299 GWh	Nov 2016	Feb 2026	Wind
Quartz Solar, LLC	Quartz Solar, LLC	Wynne, AR	299 GWh	-	Feb 2026	Solar
Lake Catherine	Entergy Arkansas LLC	Jones Mill, AR	300 GWh	Mar 1970	Nov 2024	Natural Gas
Bennington Wind	Minonk Stewardship Wind LLC	Minonk, IL	300 GWh	Sep 2021	Feb 2026	Wind
Crane Creek Wind Energy Center	Wisconsin Public Service Corp	Riceville, IA	302 GWh	Nov 2009	Dec 2024	Wind
Ames Electric Services Power Plant	City of Ames - (IA)	Ames, IA	306 GWh	Apr 1968	Dec 2024	Natural Gas : 90.9% Other Biomass Solids : 9.1%
Rosewater Wind Farm	Rosewater Wind Farm LLC	Chalmers, IN	307 GWh	Nov 2020	Feb 2026	Wind
Combined Locks Energy Center	McKinley Paper	Combined Locks, WI	310 GWh	Apr 2002	Dec 2024	Natural Gas
Sac County Wind, LLC	Sac County Wind	Sac City, IA	312 GWh	Nov 2021	Feb 2026	Wind
Unbridled Solar	National Grid Renewables	Robards, KY	312 GWh	-	Feb 2026	Solar
Wolf Run Solar	Wolf Run Solar LLC	Chapin, IL	315 GWh	Oct 2024	Feb 2026	Solar
Green River Solar	Green River Solar, LLC	Guston, KY	316 GWh	-	Feb 2026	Solar
Posey Solar	Southern Indiana Gas & Elec Co	Mount Vernon, IN	316 GWh	-	Feb 2026	Solar
Big River Solar	Big River Solar, LLC	Norris City, IL	317 GWh	Jul 2022	Feb 2026	Solar
Blue Lake	Northern States Power Co - Minnesota	Shakopee, MN	318 GWh	Feb 1974	Dec 2024	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Waterford 1 & 2	Entergy Louisiana LLC	Killona, LA	319 GWh	Jun 1975	Dec 2024	Natural Gas : 99.5% Distillate Fuel Oil : 0.5%
Eldorado Solar I	Sol Systems	Eldorado, IL	320 GWh	-	Feb 2026	Solar
Ivester Wind Farm	MidAmerican Energy Co	Wellsburg, IA	320 GWh	Nov 2018	Feb 2026	Wind
Blue Sky Green Field Wind Project	Wisconsin Electric Power Co	Fond du Lac, WI	324 GWh	Apr 2008	Feb 2026	Wind
Umbriel Solar	Umbriel Solar, LLC	Livington, TX	324 GWh	Sep 2023	Feb 2026	Solar
Contrail Wind Farm	MidAmerican Energy Co	Bedford, IA	327 GWh	Nov 2020	Feb 2026	Wind
Michigan Wind 2	Michigan Wind 2, LLC	Minden City, MI	327 GWh	Nov 2011	Dec 2024	Wind
Ashtabula Wind II LLC	Ashtabula Wind II LLC	Luverne, ND	328 GWh	Sep 2009	Dec 2024	Wind
Twin Lakes Solar LLC	Twin Lakes Solar LLC	Monticello, IN	329 GWh	Nov 2024	Feb 2026	Solar
Macksburg Wind Project	MidAmerican Energy Co	Macksburg, IA	330 GWh	Nov 2014	Dec 2024	Wind
Boise Cascade International Falls	Boise White Paper LLC	International Falls, MN	333 GWh	Dec 1926	Feb 2026	Black Liquor : 63.6% Natural Gas : 22.2% Wood/Wood Waste Solids : 12.8% Sludge Waste : 1.3%
Cass County Renewable Energy Center	Union Electric Co - (MO)	Beardstown, IL	335 GWh	Nov 2024	Feb 2026	Solar
Rugby Wind Power Project	Avangrid Power LLC	Barton, ND	335 GWh	Nov 2009	Dec 2024	Wind
Bishop Hill II Wind Farm	Bishop Hill Energy II, LLC	Cambridge, IL	340 GWh	Sep 2012	Dec 2024	Wind
Gratiot Farms Wind Project	Consumers Energy Co - (MI)	Carson City, MI	341 GWh	Nov 2020	Feb 2026	Wind
West Memphis Solar Station	Entergy Arkansas LLC	Crawfordsville, AR	341 GWh	Nov 2024	Feb 2026	Solar
Bent Tree Wind Farm Phase 1	Wisconsin Power & Light Co	Hartland, MN	343 GWh	Jan 2011	Dec 2024	Wind
Mower County Wind Energy Center	Northern States Power Co - Minnesota	Grand Meadow, MN	343 GWh	Nov 2006	Dec 2024	Wind
Henry County	Duke Energy Indiana, LLC	New Castle, IN	345 GWh	Jun 2001	Dec 2024	Natural Gas
Northern Wind	Northern States Power Co - Minnesota	Lake Wilson, MN	348 GWh	Dec 2022	Feb 2026	Wind
Settlers Trail Wind Farm LLC	Big Sky Wind, LLC	Sheldon, IL	354 GWh	Sep 2011	Dec 2024	Wind
Calhoun Solar	Invenergy Services LLC	Battle Creek, MI	355 GWh	Nov 2022	Feb 2026	Solar
Driver Solar	Entergy Arkansas LLC	Osceola, AR	355 GWh	Oct 2024	Feb 2026	Solar
Darien Solar	Wisconsin Electric Power Co	Darien, WI	355 GWh	-	Feb 2026	Solar
Benton County Wind Farm	Orion Energy Group LLC	Earl Park, IN	358 GWh	Apr 2008	Dec 2024	Wind
Glacier Hills	Wisconsin Electric Power Co	Cambria, WI	358 GWh	Nov 2011	Feb 2026	Wind
Newport Solar Project	Newport Solar, LLC	Newport, AR	358 GWh	Sep 2023	Feb 2026	Solar
Garden Wind LLC	Garden Wind LLC	Zearing, IA	359 GWh	Nov 2009	Feb 2026	Wind
Whiting Refinery	BP PLC	Whiting, IN	360 GWh	Dec 1947	Dec 2024	Other Gas : 81.0% Natural Gas : 19.0%
Barton Windpower LLC	Avangrid Power LLC	Kensett, IA	361 GWh	May 2009	Dec 2024	Wind
Tuscola Bay Wind	Tuscola Bay Wind LLC	Reese, MI	362 GWh	Nov 2012	Feb 2026	Wind
Hardy Hills Solar Energy LLC	Hardy Hills Solar LLC	Frankfort, IN	363 GWh	Feb 2024	Feb 2026	Solar
Stoneray Power Partners, LLC	EDF Renewable Asset Holdings, Inc.	Woodstock, MN	363 GWh	Jan 2019	Feb 2026	Wind
Oliver Wind III, LLC	Oliver Wind III, LLC	Mandan, ND	363 GWh	Dec 2016	Feb 2026	Wind
TES Filer City Station	TES Filer City Station LP	Filer City, MI	365 GWh	Apr 1990	Feb 2026	Bituminous Coal : 65.2% Natural Gas : 21.4% Wood/Wood Waste Solids : 13.4%
Valley (WI)	Wisconsin Electric Power Co	Milwaukee, WI	365 GWh	May 1968	Feb 2026	Natural Gas
Cavalry Solar Hybrid	Cavalry Energy Center LLC	Monon, IN	366 GWh	Apr 2024	Feb 2026	Solar
New Frontier Wind	Meadowlark Wind I LLC	Ruso, ND	368 GWh	Nov 2018	Feb 2026	Wind
Crescent Wind Park	Consumers Energy Co - (MI)	Hillsdale, MI	368 GWh	Jan 2021	Feb 2026	Wind
International Paper Red River Mill	Red River Mill Intl Paper Company	Campti, LA	371 GWh	Nov 2008	Dec 2023	Black Liquor : 64.7% Wood/Wood Waste Solids : 22.1% Natural Gas : 13.2%
Smithland Hydroelectric Plant	American Mun Power-Ohio, Inc	Smithland, KY	371 GWh	Jun 2017	Feb 2026	Water
Hoopeston Wind LLC	Hoopeston Wind LLC	Rossville, IL	371 GWh	Feb 2015	Dec 2024	Wind
Quilt Block Wind Farm LLC	Quilt Block Wind Farm LLC	Darlington, WI	371 GWh	Aug 2017	Feb 2026	Wind
F.D. Kuester Generating Station	Upper Michigan Energy Resources Company	Negaunee, MI	375 GWh	Feb 2019	Dec 2024	Natural Gas
White Oak Energy LLC	White Oak Energy LLC	Carlock, IL	376 GWh	May 2011	Dec 2024	Wind
Pine River Wind Park	DTE Electric Company	Shepherd, MI	377 GWh	Feb 2019	Feb 2026	Wind
Prairie Wolf Solar LLC	National Grid Renewables	Ashmore Township, IL	378 GWh	Oct 2021	Feb 2026	Solar
Victory Wind Farm	MidAmerican Energy Co	Westside, IA	378 GWh	Nov 2006	Dec 2024	Wind
Grant County	Wisconsin Power & Light Co	Town of Potosi, WI	378 GWh	Apr 2024	Feb 2026	Solar
Trimont Area Wind Farm	Avangrid Power LLC	Trimont, MN	379 GWh	Oct 2005	Dec 2024	Wind
Grand Meadow	Northern States Power Co - Minnesota	Dexter, MN	380 GWh	Nov 2008	Dec 2024	Wind
Baldwin Wind LLC	Baldwin Wind LLC	Wilton, ND	381 GWh	Nov 2010	Dec 2024	Wind
Pocahontas Prairie Wind Farm	MidAmerican Energy Co	Pomeroy, IA	382 GWh	Jan 2012	Dec 2024	Wind
Fenton Wind Farm	EDF Renewable Asset Holdings, Inc.	Chandler, MN	382 GWh	Aug 2007	Feb 2026	Wind
Indiana Crossroads Solar Park	Meadow Lake Solar Park	Reynolds, IN	382 GWh	May 2023	Feb 2026	Solar
Lakefield Wind Project LLC	EDF Renewable Asset Holdings, Inc.	Lakefield, MN	383 GWh	Sep 2011	Feb 2026	Wind
Pegasus Wind	Pegasus Wind, LLC	Reese, MI	383 GWh	Nov 2019	Feb 2026	Wind
Washington Parish Energy Center	Entergy Louisiana LLC	Bogalusa, LA	392 GWh	Oct 2020	Feb 2026	Natural Gas
Crooked Lake Solar, LLC	Crooked Lake Solar, LLC	Blytheville, AR	395 GWh	Apr 2024	Feb 2026	Solar
Vienna Wind Farm	MidAmerican Energy Co	Marshalltown, IA	398 GWh	Oct 2012	Dec 2024	Wind
Dam 2	Arkansas Electric Coop Corp	Dumas, AR	401 GWh	May 1999	Dec 2024	Water
Formosa Plastics	Formosa Plastics Corp	Baton Rouge, LA	402 GWh	Apr 1985	Dec 2024	Natural Gas
DeRidder Mill	Packaging Corporation of America	DeRidder, LA	402 GWh	Sep 1969	Dec 2024	Black Liquor : 46.7% Wood/Wood Waste Solids : 34.3% Natural Gas : 18.9%
Wabash Valley Power IGCC	Wabash Valley Power Assn, Inc	Terre Haute, IN	406 GWh	Nov 1953	Feb 2026	Natural Gas
Primient	Primary Products Ingredients Americas, LLC d/b/a Primient	Lafayette, IN	406 GWh	May 2021	Dec 2024	Natural Gas
Sherco Solar I	Northern States Power Co - Minnesota	Clear Lake, MN	406 GWh	Sep 2024	Feb 2026	Solar
Oak Ridge Solar	AES Clean Energy	Oak Ridge, LA	407 GWh	Nov 2023	Feb 2026	Solar
Morning Light Wind Farm	MidAmerican Energy Co	Adair, IA	413 GWh	Sep 2012	Dec 2024	Wind
Heat Recovery Coke Facility	Cokenergy Inc	East Chicago, IN	414 GWh	Mar 1998	Feb 2026	Waste Heat
Huck Finn Renewable Energy Center	Union Electric Co - (MO)	Vandalia, MO	415 GWh	Nov 2024	Feb 2026	Solar
WestRock (TX)	WestRock (TX)	Evadale, TX	415 GWh	May 1954	Dec 2024	Black Liquor : 58.9% Wood/Wood Waste Solids : 22.0% Natural Gas : 19.1%
Cannelton Hydroelectric Plant	American Mun Power-Ohio, Inc	Hawesville, KY	416 GWh	Dec 2015	Dec 2024	Water
Heartland Divide Wind Project, LLC	Heartland Divide Wind Project, LLC	Melville, IA	417 GWh	Nov 2018	Feb 2026	Wind
Fairbanks Solar Project	Fairbanks Solar Energy Center LLC	Fairbanks, IN	420 GWh	-	Feb 2026	Solar
Pearl River Solar Park LLC	Pearl River Solar Park, LLC	Morton, MS	420 GWh	Jun 2024	Feb 2026	Solar
Bishop Hill III	Invenergy Services LLC	Cambridge, IL	423 GWh	May 2018	Feb 2026	Wind
Whispering Willow Wind Farm - East	Interstate Power and Light Co	Iowa Falls, IA	425 GWh	Nov 2009	Dec 2024	Wind
Glen Ullin Energy Center	ALLETE Clean Energy	Glen Ullin, ND	426 GWh	Nov 2019	Feb 2026	Wind
Silver Creek	Cooperative Energy	Prentiss, MS	428 GWh	May 2003	Dec 2024	Natural Gas
Big Cypress Solar, LLC	Big Cypress Solar, LLC	Crawfordsville, AR	429 GWh	Nov 2023	Feb 2026	Solar
Long Lake Solar, LLC	Long Lake Solar, LLC	West Helena, AR	433 GWh	-	Feb 2026	Solar
Buffalo Ridge Wind	Buffalo Ridge Wind, LLC	Lake Benton, MN	434 GWh	Nov 2022	Feb 2026	Wind
Gerald Andrus	Entergy Mississippi LLC	Greenville, MS	435 GWh	Dec 1974	Aug 2024	Natural Gas : 99.9%

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#60	Alcoa Power Generating, Inc. - Yadkin Division	582.3 GWh	4
#27	Associated Electric Cooperative, Inc.	23.9 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.4 TWh	10
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.0 TWh	25
#1	PJM Interconnection, LLC	881.5 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	302.9 TWh	835
#51	Southwestern Power Administration	4.6 TWh	34
#9	Tennessee Valley Authority	163.1 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	881.5 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	664.4 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	488.2 TWh	1,313
#5	Southwest Power Pool	302.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	176.8 TWh	2,075
#9	Tennessee Valley Authority	163.1 TWh	204
#10	Florida Power & Light Co.	150.9 TWh	187
#12	New York Independent System Operator	134.4 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565