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	Nov 2025
Annual Generation	655.1 TWh
Power Plants	2,831
Utilities	1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 35.7% Coal \| 29% Wind \| 14.9% Nuclear \| 13.9% Solar \| 4.5% Water \| 1.5% Other Fuel \| 0.6%

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Daily Net Generation for Midcontinent Independent System Operator, Inc. for the past 3 Years

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Magnet Cove	Arkansas Electric Coop Corp	Malvern, AR	4 TWh	Jun 2005	Sep 2025	Natural Gas
T J Labbe Electric Generating	Lafayette Utilities System	Lafayette, LA	28 GWh	Jul 2005	Dec 2024	Natural Gas
Liberty I & II LFGTE	Wabash Valley Power Assn, Inc	Monticello, IN	27 GWh	Jul 2005	Dec 2023	Landfill Gas
Century	MidAmerican Energy Co	Blairsburg, IA	572 GWh	Aug 2005	Dec 2024	Wind
IBM West	Rochester Public Utilities	Rochester, MN	25 MWh	Sep 2005	Dec 2024	Distillate Fuel Oil
Trimont Area Wind Farm	Avangrid Power LLC	Trimont, MN	379 GWh	Oct 2005	Dec 2024	Wind
FPL Energy Burleigh County Wind	FPL Energy Burleigh County Wind LLC	Wilton, ND	190 GWh	Nov 2005	Dec 2024	Wind
Velva Windfarm LLC	Acciona Wind Energy USA LLC	Velva, ND	25 GWh	Nov 2005	Dec 2024	Wind
Deertrack Park Gas Recovery	WM Renewable Energy LLC	Watertown, WI	37 GWh	Jan 2006	Dec 2024	Landfill Gas
Timberline Trail Gas Recovery	WM Renewable Energy LLC	Weyerhaeser, WI	19 GWh	Jan 2006	Dec 2024	Landfill Gas
Clinton LFGTE	Wabash Valley Power Assn, Inc	Clinton, IL	18 GWh	Jan 2006	Sep 2025	Landfill Gas
Lake Mills Gas Recovery	WM Renewable Energy LLC	Lake Mills, IA	25 GWh	Feb 2006	Dec 2024	Landfill Gas
Windom Wind Project	Midwest Power Partners LLC	Bingham Lake, MN	33 GWh	Feb 2006	Dec 2024	Wind
Zeeland Farm Services	Zeeland Farm Services	Zeeland, MI	13 GWh	Feb 2006	Dec 2023	Other Biomass Gas
Windshare LLC	Greenbacker Renewable Energy Corporation	Chandler, MN	11 GWh	Feb 2006	Dec 2024	Wind
Eastridge Wind Project	Eastridge Wind Project	Porter, MN	19 GWh	Mar 2006	Dec 2024	Wind
Blue Breezes LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2024	Wind
Blue Breezes II LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2024	Wind
Sunset Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	2 GWh	Apr 2006	Dec 2024	Wind
Minnesota Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	2 GWh	Apr 2006	Dec 2024	Wind
G Flow Wind LLC	Midwest Power Partners LLC	Rushmore, MN	2 GWh	Apr 2006	Dec 2024	Wind
Wolf Wind Enterprises LLC	Midwest Power Partners LLC	Rushmore, MN	2 GWh	Apr 2006	Dec 2024	Wind
Green Acres Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	2 GWh	Apr 2006	Dec 2024	Wind
Lincoln Heights I	ALLETE Clean Energy	Lake Benton, MN	10 GWh	Apr 2006	Dec 2024	Wind
Lincoln Heights II	ALLETE Clean Energy	Lake Benton, MN	7 GWh	Apr 2006	Dec 2024	Wind
Hargis-Hebert Electric Generating	Lafayette Utilities System	Lafayette, LA	53 GWh	May 2006	Dec 2024	Natural Gas
West Diesel Generation Unit	City of Pocahontas - (IA)	Pocahontas, IA	23 MWh	May 2006	Dec 2024	Distillate Fuel Oil
Mankato Energy Center	MEC Holdings, LLC	Mankato, MN	3 TWh	Jun 2006	Dec 2024	Natural Gas
Riley Generating Station	City of Zeeland - (MI)	Zeeland, MI	169 MWh	Jun 2006	Dec 2024	Natural Gas
Shane's Wind Machine	Shane's Wind Machine LLC	Ruthton, MN	7 GWh	Jun 2006	Dec 2024	Wind
The Andersons Albion Ethanol LLC	The Andersons Albion Ethanol LLC	Albion, MI	63 GWh	Jul 2006	Dec 2024	Natural Gas
St. Olaf Wind Turbine	St. Olaf College	Northfield, MN	3 GWh	Aug 2006	Dec 2024	Wind
Two Pine Landfill Gas Recovery	WM Renewable Energy LLC	North Little Rock, AR	27 GWh	Sep 2006	Dec 2024	Landfill Gas
Victory Wind Farm	MidAmerican Energy Co	Westside, IA	378 GWh	Nov 2006	Dec 2024	Wind
FPL Energy Oliver Wind I LLC	FPL Energy Oliver County Wind	Center, ND	177 GWh	Nov 2006	Dec 2024	Wind
Mower County Wind Energy Center	Northern States Power Co - Minnesota	Grand Meadow, MN	343 GWh	Nov 2006	Dec 2024	Wind
Thomson Reuters Data Center Bldg H	Ryan Companies US, Inc.	Eagan, MN	41 MWh	Dec 2006	Nov 2024	Distillate Fuel Oil
Hidden View Dairy, LLC	Hidden View Dairy, LLC	Rensselaer, IN	4 GWh	Jan 2007	Dec 2024	Natural Gas
Hardin Hilltop Wind LLC	Junction Hilltop Management LLC	Jefferson, IA	32 GWh	Apr 2007	Dec 2024	Wind
Agriwind	Agriwind Holdings, LLC	Tiskilwa, IL	13 GWh	Jun 2007	Dec 2024	Wind
Halstad	City of Halstad - (MN)	Halstad, MN	11 MWh	Aug 2007	Dec 2024	Distillate Fuel Oil
Fenton Wind Farm	EDF Renewable Asset Holdings, Inc.	Chandler, MN	340 GWh	Aug 2007	Sep 2025	Wind
Prairie Star Wind Farm	High Prairie Wind Farm II LLC	Grand Meadow, MN	298 GWh	Nov 2007	Dec 2024	Wind
Pomeroy Wind Farm	MidAmerican Energy Co	Fonda, IA	972 GWh	Nov 2007	Sep 2025	Wind
FPL Energy Oliver Wind II LLC	FPL Energy Oliver County Wind II LLC	Center, ND	181 GWh	Nov 2007	Dec 2024	Wind
Langdon Renewables, LLC	FPL Energy Langdon Wind LLC	Langdon, ND	482 GWh	Nov 2007	Dec 2024	Wind
Diamond Willow Wind Facility	Montana-Dakota Utilities Co	Baker, MT	86 GWh	Nov 2007	Dec 2024	Wind
Marshall Wind 2 LLC	Marshall Wind Farm, LLC	Marshall, MN	6 GWh	Nov 2007	Dec 2024	Wind
Marshall Wind 3 LLC	Marshall Wind Farm, LLC	Marshall, MN	6 GWh	Nov 2007	Dec 2024	Wind
Marshall Wind 4 LLC	Marshall Wind Farm, LLC	Marshall, MN	6 GWh	Nov 2007	Dec 2024	Wind
Marshall Wind 5 LLC	Marshall Wind Farm, LLC	Marshall, MN	2 GWh	Nov 2007	Dec 2024	Wind
Marshall Wind 6 LLC	Marshall Wind Farm, LLC	Marshall, MN	3 GWh	Nov 2007	Dec 2024	Wind
Marshall Wind 1 LLC	Marshall Wind Farm, LLC	Marshall, MN	3 GWh	Nov 2007	Dec 2024	Wind
Langdon Wind Energy Center	Otter Tail Power Co	Langdon, ND	95 GWh	Nov 2007	Dec 2024	Wind
Northern Iowa Windpower II	Avangrid Power LLC	Kensett, IA	130 GWh	Dec 2007	Dec 2024	Wind
MinnDakota Wind LLC	Avangrid Power LLC	Ivanhoe, MN	283 GWh	Dec 2007	Dec 2024	Wind
Ewington Energy Systems, LLC	Ewington Energy Systems, LLC	Worthington, MN	86 GWh	Dec 2007	Dec 2024	Wind
Harvest	Harvest Windfarm, LLC	Elkton, MI	116 GWh	Dec 2007	Dec 2024	Wind
Tatanka Wind Power LLC	Acciona Wind Energy USA LLC	Ashley, ND	465 GWh	Dec 2007	Sep 2025	Wind
Fiber Recovery, Inc.	Fiber Recovery, Inc	Ringle, WI	7 GWh	Dec 2007	Dec 2024	Landfill Gas
Cisco	ALLETE Clean Energy	Brewster, MN	9 GWh	Jan 2008	Dec 2024	Wind
Top of Iowa Windfarm III	Madison Gas & Electric Co	Kensett, IA	44 GWh	Jan 2008	Dec 2024	Wind
Five Oaks Gas Recovery	WM Renewable Energy LLC	Taylorville, IL	24 GWh	Jan 2008	Dec 2024	Landfill Gas
Cannon Falls Energy Center	Invenergy Services LLC	Cannon Falls, MN	899 GWh	Mar 2008	Sep 2025	Natural Gas
Charles City Wind Farm	MidAmerican Energy Co	Charles City, IA	274 GWh	Mar 2008	Dec 2024	Wind
Spruce Ridge Gas Recovery	WM Renewable Energy LLC	Glencoe, MN	22 GWh	Mar 2008	Dec 2024	Landfill Gas
High Bridge	Northern States Power Co - Minnesota	St. Paul, MN	3 TWh	Apr 2008	Sep 2025	Natural Gas
Blue Sky Green Field Wind Project	Wisconsin Electric Power Co	Fond du Lac, WI	341 GWh	Apr 2008	Sep 2025	Wind
Taconite Ridge 1 Wind Energy Center	ALLETE, Inc.	Mountain Iron, MN	47 GWh	Apr 2008	Dec 2024	Wind
Benton County Wind Farm	Orion Energy Group LLC	Earl Park, IN	358 GWh	Apr 2008	Dec 2024	Wind
Odin Wind Farm LLC	Aspenall Energies (Delaware), LLC	Mountainlake, MN	29 GWh	Apr 2008	Dec 2024	Wind
Welcome Wind Turbine	Federated Rural Electric Assn	Welcome, MN	6 GWh	Apr 2008	Sep 2024	Wind
Forward Wind Energy Center	Wisconsin Public Service Corp	Brownsville, WI	146 GWh	Jun 2008	Sep 2025	Wind
Winnebago Wind Power Project	Avangrid Power LLC	Forest City, IA	59 GWh	Aug 2008	Dec 2024	Wind
Langdon Wind II LLC	FPL Energy Langdon Wind LLC	Osnabrock, ND	171 GWh	Aug 2008	Dec 2024	Wind
Osceola Windpower II	Osceola Windpower II	Harris, IA	197 GWh	Aug 2008	Sep 2025	Wind
Jeffers Wind 20 LLC	Northern States Power Co - Minnesota	Jeffers, MN	195 GWh	Sep 2008	Dec 2024	Wind
Pioneer Prairie Wind Farm	Pioneer Prairie Wind Farm I, LLC	McIntire, IA	865 GWh	Sep 2008	Sep 2025	Wind
Ashtabula Wind Energy Center	Otter Tail Power Co	Luverne, ND	116 GWh	Sep 2008	Dec 2024	Wind
Cedar Ridge	Wisconsin Power & Light Co	Eden, WI	175 GWh	Nov 2008	Dec 2024	Wind
Michigan Wind 1	Michigan Wind 1, LLC	Ubly, MI	158 GWh	Nov 2008	Dec 2024	Wind
Elm Creek Wind LLC	Avangrid Power LLC	Trimont, MN	176 GWh	Nov 2008	Dec 2024	Wind
Carroll Wind Farm	MidAmerican Energy Co	Carroll, IA	563 GWh	Nov 2008	Dec 2024	Wind
Adair Wind Farm	MidAmerican Energy Co	Adair, IA	555 GWh	Nov 2008	Dec 2024	Wind
Walnut Wind Farm	MidAmerican Energy Co	Walnut, IA	584 GWh	Nov 2008	Dec 2024	Wind
FPL Energy Ashtabula Wind LLC	FPL Energy Ashtabula Wind LLC	Luverne, ND	594 GWh	Nov 2008	Dec 2024	Wind
FPL Energy Crystal Lake Wind LLC	FPL Energy Crystal Lake Wind LLC	Britt, IA	577 GWh	Nov 2008	Sep 2025	Wind
FPL Energy Story Wind LLC	FPL Energy Story Wind LLC	Zearing, IA	525 GWh	Nov 2008	Sep 2025	Wind
Grand Meadow	Northern States Power Co - Minnesota	Dexter, MN	380 GWh	Nov 2008	Dec 2024	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%
Hilltop Power	Hilltop Power, LLC	Edgerton, MN	4 GWh	Nov 2008	Dec 2024	Wind
FPL Energy Crystal Lake Wind II LLC	FPL Energy Crystal Lake Wind II LLC	Britt, IA	713 GWh	Dec 2008	Sep 2025	Wind
Archer Daniels Midland Clinton	Archer Daniels Midland Co	Clinton, IA	727 GWh	Jan 2009	Sep 2025	Subbituminous Coal : 90.1% Other Biomass Solids : 8.3% Bituminous Coal : 1.6%
Butler Ridge	Butler Ridge Wind Energy Center	Mayville, WI	140 GWh	Jan 2009	Sep 2025	Wind
Moraine II Wind LLC	Avangrid Power LLC	Woodstock, MN	73 GWh	Jan 2009	Dec 2024	Wind
Wapsipinicon Wind Project	EDF Renewable Asset Holdings, Inc.	Dexter, MN	260 GWh	Jan 2009	Dec 2024	Wind
Bryon Center	Energy Developments, Inc d/b/a EDL	Byron Center, MI	29 GWh	Feb 2009	Dec 2024	Landfill Gas
Pinconning White Feather	Energy Developments, Inc d/b/a EDL	Pinconning, MI	17 GWh	Feb 2009	Dec 2024	Landfill Gas
Ameresco Jefferson City	AMERESCO Jefferson City LLC	Jefferson City, MO	20 GWh	Feb 2009	Dec 2024	Landfill Gas
Farmers City Wind LLC	Avangrid Power LLC	Tarkio, MO	246 GWh	Mar 2009	Dec 2024	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	696.7 GWh	4
#27	Associated Electric Cooperative, Inc.	23.6 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	34.4 TWh	25
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	299.9 TWh	835
#49	Southwestern Power Administration	5.2 TWh	34
#9	Tennessee Valley Authority	161.6 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	655.1 TWh	2,831
#4	Electric Reliability Council of Texas, Inc.	485.0 TWh	1,313
#5	Southwest Power Pool	299.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	188.0 TWh	2,075
#9	Tennessee Valley Authority	161.6 TWh	204
#10	Florida Power & Light Co.	148.9 TWh	187
#12	New York Independent System Operator	131.6 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565