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
Adams Wind Farm	Consolidated Edison Development Inc.	Adams, MN	20 GWh	Aug 2003	Dec 2024	Wind
Cedar Ridge	Wisconsin Power & Light Co	Eden, WI	175 GWh	Nov 2008	Dec 2024	Wind
Whispering Willow Wind Farm - East	Interstate Power and Light Co	Iowa Falls, IA	425 GWh	Nov 2009	Dec 2024	Wind
FPL Energy Burleigh County Wind	FPL Energy Burleigh County Wind LLC	Wilton, ND	190 GWh	Nov 2005	Dec 2024	Wind
Victory Wind Farm	MidAmerican Energy Co	Westside, IA	378 GWh	Nov 2006	Dec 2024	Wind
Northern Iowa Windpower II	Avangrid Power LLC	Kensett, IA	130 GWh	Dec 2007	Dec 2024	Wind
Top of Iowa Windfarm III	Madison Gas & Electric Co	Kensett, IA	44 GWh	Jan 2008	Dec 2024	Wind
FPL Energy Oliver Wind I LLC	FPL Energy Oliver County Wind	Center, ND	177 GWh	Nov 2006	Dec 2024	Wind
Agriwind	Agriwind Holdings, LLC	Tiskilwa, IL	13 GWh	Jun 2007	Dec 2024	Wind
Carstensen Wind	Carstensen Wind, LLC (Longroad)	Pipestone, MN	2 GWh	Nov 2004	Dec 2024	Wind
Northern Lights Wind LLC	Northern Lights Wind LLC (Longroad)	Pipestone, MN	2 GWh	Nov 2004	Dec 2024	Wind
Lucky Wind	Lucky Wind, LLC (Longroad)	Pipestone, MN	2 GWh	Nov 2004	Dec 2024	Wind
Greenback Energy	Greenback Energy, LLC (Longroad)	Pipestone, MN	5 GWh	Nov 2004	Dec 2024	Wind
Redwood Falls Wind	Southern Minnesota Mun P Agny	Redwood Falls, MN	10 GWh	Nov 2004	Dec 2024	Wind
Fairmont Wind	Southern Minnesota Mun P Agny	Fairmont, MN	15 GWh	Feb 2003	Dec 2024	Wind
Michigan Wind 1	Michigan Wind 1, LLC	Ubly, MI	158 GWh	Nov 2008	Dec 2024	Wind
Mower County Wind Energy Center	Northern States Power Co - Minnesota	Grand Meadow, MN	343 GWh	Nov 2006	Dec 2024	Wind
Ameresco Janesville	AMERESCO Janesville LLC	Janesville, WI	9 GWh	Sep 2004	Dec 2024	Landfill Gas
MinnDakota Wind LLC	Avangrid Power LLC	Ivanhoe, MN	283 GWh	Dec 2007	Dec 2024	Wind
Oak Ridge LFGTE	Wabash Valley Power Assn, Inc	Logansport, IN	26 GWh	Nov 2003	Dec 2024	Landfill Gas
Marshfield Utilities Gas Plant	City of Marshfield - (WI)	Marshfield, WI	4 GWh	May 2011	Dec 2024	Natural Gas
Prairie Star Wind Farm	High Prairie Wind Farm II LLC	Grand Meadow, MN	298 GWh	Nov 2007	Dec 2024	Wind
Riley Generating Station	City of Zeeland - (MI)	Zeeland, MI	169 MWh	Jun 2006	Dec 2024	Natural Gas
Municipal Power Plant	City of Zeeland - (MI)	Zeeland, MI	63 MWh	May 2002	Dec 2024	Natural Gas
Jonesboro City Water & Light Plant	City Water and Light Plant	Jonesboro, AR	78 GWh	Jun 1999	Dec 2024	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
West Diesel Generation Unit	City of Pocahontas - (IA)	Pocahontas, IA	23 MWh	May 2006	Dec 2024	Distillate Fuel Oil
Deertrack Park Gas Recovery	WM Renewable Energy LLC	Watertown, WI	37 GWh	Jan 2006	Dec 2024	Landfill Gas
Lake Mills Gas Recovery	WM Renewable Energy LLC	Lake Mills, IA	25 GWh	Feb 2006	Dec 2024	Landfill Gas
Two Pine Landfill Gas Recovery	WM Renewable Energy LLC	North Little Rock, AR	27 GWh	Sep 2006	Dec 2024	Landfill Gas
Timberline Trail Gas Recovery	WM Renewable Energy LLC	Weyerhaeser, WI	19 GWh	Jan 2006	Dec 2024	Landfill Gas
Five Oaks Gas Recovery	WM Renewable Energy LLC	Taylorville, IL	24 GWh	Jan 2008	Dec 2024	Landfill Gas
Eastridge Wind Project	Eastridge Wind Project	Porter, MN	19 GWh	Mar 2006	Dec 2024	Wind
Windom Wind Project	Midwest Power Partners LLC	Bingham Lake, MN	33 GWh	Feb 2006	Dec 2024	Wind
FPL Energy Oliver Wind II LLC	FPL Energy Oliver County Wind II LLC	Center, ND	181 GWh	Nov 2007	Dec 2024	Wind
Shane's Wind Machine	Shane's Wind Machine LLC	Ruthton, MN	7 GWh	Jun 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
Elm Street Substation Generators	City of Farmington - (MO)	Farmington, MO	22 MWh	Sep 2002	Dec 2024	Distillate Fuel Oil
Walton Street Substation	City of Farmington - (MO)	Farmington, MO	6 MWh	Dec 2002	Dec 2024	Distillate Fuel Oil
Overall Road Station	City of Farmington - (MO)	Farmington, MO	26 MWh	Feb 2003	Dec 2024	Distillate Fuel Oil
San Jacinto County Peaking Facility	East Texas Electric Coop, Inc	Shepherd, TX	140 GWh	Jun 2001	Dec 2024	Natural Gas
Hardin County Peaking Facility	Entergy Texas Inc.	Kountze, TX	195 GWh	Jun 2001	Dec 2024	Natural Gas
Langdon Renewables, LLC	FPL Energy Langdon Wind LLC	Langdon, ND	482 GWh	Nov 2007	Dec 2024	Wind
Ewington Energy Systems, LLC	Ewington Energy Systems, LLC	Worthington, MN	86 GWh	Dec 2007	Dec 2024	Wind
Taconite Ridge 1 Wind Energy Center	ALLETE, Inc.	Mountain Iron, MN	47 GWh	Apr 2008	Dec 2024	Wind
Harvest	Harvest Windfarm, LLC	Elkton, MI	116 GWh	Dec 2007	Dec 2024	Wind
St Paul Cogeneration	St Paul Cogeneration LLC	St. Paul, MN	151 GWh	Mar 2003	Dec 2024	Wood/Wood Waste Solids : 82.2% Natural Gas : 17.8%
Michigan Wind 2	Michigan Wind 2, LLC	Minden City, MI	327 GWh	Nov 2011	Dec 2024	Wind
Velva Windfarm LLC	Acciona Wind Energy USA LLC	Velva, ND	25 GWh	Nov 2005	Dec 2024	Wind
Charles City Wind Farm	MidAmerican Energy Co	Charles City, IA	274 GWh	Mar 2008	Dec 2024	Wind
Benton County Wind Farm	Orion Energy Group LLC	Earl Park, IN	358 GWh	Apr 2008	Dec 2024	Wind
Jeffers Wind 20 LLC	Northern States Power Co - Minnesota	Jeffers, MN	195 GWh	Sep 2008	Dec 2024	Wind
Odin Wind Farm LLC	Aspenall Energies (Delaware), LLC	Mountainlake, MN	29 GWh	Apr 2008	Dec 2024	Wind
Winnebago Wind Power Project	Avangrid Power LLC	Forest City, IA	59 GWh	Aug 2008	Dec 2024	Wind
Barton Windpower LLC	Avangrid Power LLC	Kensett, IA	361 GWh	May 2009	Dec 2024	Wind
Farmers City Wind LLC	Avangrid Power LLC	Tarkio, MO	246 GWh	Mar 2009	Dec 2024	Wind
Diamond Willow Wind Facility	Montana-Dakota Utilities Co	Baker, MT	86 GWh	Nov 2007	Dec 2024	Wind
Geismar Cogen	Air Liquide Large Industries U S LP	Geismar, LA	586 GWh	Dec 1999	Dec 2024	Natural Gas
Elm Creek Wind LLC	Avangrid Power LLC	Trimont, MN	176 GWh	Nov 2008	Dec 2024	Wind
Moraine II Wind LLC	Avangrid Power LLC	Woodstock, MN	73 GWh	Jan 2009	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
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
Crane Creek Wind Energy Center	Wisconsin Public Service Corp	Riceville, IA	302 GWh	Nov 2009	Dec 2024	Wind
Marshall Wind 1 LLC	Marshall Wind Farm, LLC	Marshall, MN	3 GWh	Nov 2007	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
Rail Splitter Wind Farm	Rail Splitter Wind Farm LLC	Hopedale, IL	278 GWh	Jul 2009	Dec 2024	Wind
Hardin Hilltop Wind LLC	Junction Hilltop Management LLC	Jefferson, IA	32 GWh	Apr 2007	Dec 2024	Wind
Wapsipinicon Wind Project	EDF Renewable Asset Holdings, Inc.	Dexter, MN	260 GWh	Jan 2009	Dec 2024	Wind
Ameresco Jefferson City	AMERESCO Jefferson City LLC	Jefferson City, MO	20 GWh	Feb 2009	Dec 2024	Landfill Gas
Langdon Wind II LLC	FPL Energy Langdon Wind LLC	Osnabrock, ND	171 GWh	Aug 2008	Dec 2024	Wind
FPL Energy Ashtabula Wind LLC	FPL Energy Ashtabula Wind LLC	Luverne, ND	594 GWh	Nov 2008	Dec 2024	Wind
Grand Meadow	Northern States Power Co - Minnesota	Dexter, MN	380 GWh	Nov 2008	Dec 2024	Wind
Spruce Ridge Gas Recovery	WM Renewable Energy LLC	Glencoe, MN	22 GWh	Mar 2008	Dec 2024	Landfill Gas
Waste Management Northern Oaks LFGTE	WM Renewable Energy LLC	Harrison, MI	6 GWh	Oct 2010	Dec 2024	Landfill Gas
Waste Management Eco Vista LFGTE	WM Renewable Energy LLC	Springdale, AR	22 GWh	Oct 2010	Dec 2024	Natural Gas
Luverne Wind Energy Center	Otter Tail Power Co	Luverne, ND	110 GWh	Aug 2009	Dec 2024	Wind
Ashtabula Wind Energy Center	Otter Tail Power Co	Luverne, ND	116 GWh	Sep 2008	Dec 2024	Wind
Langdon Wind Energy Center	Otter Tail Power Co	Langdon, ND	95 GWh	Nov 2007	Dec 2024	Wind
Willmar Municipal East Substation	Willmar Municipal Utilities	Willmar, MN	23 MWh	May 2000	Dec 2024	Distillate Fuel Oil
Willmar Municipal SW Substation	Willmar Municipal Utilities	Willmar, MN	22 MWh	May 2000	Dec 2024	Distillate Fuel Oil
Bison I Wind Energy Center	ALLETE, Inc.	New Salem, ND	166 GWh	Nov 2010	Dec 2024	Wind
Twin Cities Hydro LLC	Twin Cities Hydro LLC	St. Paul, MN	90 GWh	Sep 1924	Dec 2024	Water
Rugby Wind Power Project	Avangrid Power LLC	Barton, ND	335 GWh	Nov 2009	Dec 2024	Wind
Lost Lakes Wind Farm LLC	Lost Lakes Wind Farm LLC	Lake Park, IA	244 GWh	Nov 2009	Dec 2024	Wind
Koda Biomass Plant	Koda Energy LLC	Shakopee, MN	51 GWh	Apr 2009	Dec 2024	Agricultural By-Products : 69.2% Wood/Wood Waste Solids : 22.8% Natural Gas : 8.1%
Wilton Wind II LLC	Wilton Wind II LLC	Wilton, ND	200 GWh	Oct 2009	Dec 2024	Wind
Ashtabula Wind II LLC	Ashtabula Wind II LLC	Luverne, ND	328 GWh	Sep 2009	Dec 2024	Wind
Stoney Corners Wind Farm	DTE Sustainable Generation	McBain, MI	127 GWh	Nov 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