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
Traer East	City of Traer - (IA)	Tracer, IA	6 MWh	Feb 2004	Dec 2025	Distillate Fuel Oil
Casey City of	City of Casey - (IL)	Casey, IL	80 MWh	Apr 2002	Dec 2025	Distillate Fuel Oil
G McNeilus Wind Farm Dodge Center	Justin McNeilus	Dodge Center, MN	91 GWh	Aug 2002	Dec 2025	Wind
Berlin Landfill Gas	WM Renewable Energy LLC	Berlin, WI	12 GWh	Jul 2001	Dec 2025	Landfill Gas
Hillsboro	City of Hillsboro - (ND)	Hillsboro, ND	17 MWh	Jun 2002	Dec 2025	Distillate Fuel Oil
FPL Energy North Dakota Wind I/II	FPL Energy North Dakota Wind LLC	Edgeley, ND	121 GWh	Sep 2003	Dec 2025	Wind
St. Charles Power Plant	City of St Charles - (MN)	St. Charles, MN	75 MWh	Nov 2004	Dec 2025	Distillate Fuel Oil
Mankato Energy Center	MEC Holdings, LLC	Mankato, MN	3 TWh	Jun 2006	Dec 2025	Natural Gas
T J Labbe Electric Generating	Lafayette Utilities System	Lafayette, LA	47 GWh	Jul 2005	Dec 2025	Natural Gas
IMEA Flora	Illinois Municipal Elec Agency (IL)	Flora, IL	71 MWh	Nov 2000	Dec 2025	Distillate Fuel Oil
Flora Site A	City of Flora - (IL)	Flora, IL	47 MWh	Nov 2001	Dec 2025	Distillate Fuel Oil
Flora Site B	City of Flora - (IL)	Flora, IL	43 MWh	Nov 2001	Dec 2025	Distillate Fuel Oil
Anderson Erickson	Anderson Erickson Dairy	Des Moines, IA	9 MWh	Mar 2000	Dec 2025	Distillate Fuel Oil
Neptune Gas Processing Plant	Enterprise Products Optg LP	Centerville, LA	14 GWh	Jan 2004	Dec 2025	Other Fuel
Faribault Energy Park	Minnesota Municipal Power Agny	Faribault, MN	800 GWh	Apr 2005	Dec 2025	Natural Gas
Sheboygan Falls	Wisconsin Power & Light Co	Sheboygan, WI	452 GWh	May 2005	Dec 2025	Natural Gas
Flying Cloud Power Partners LLC	Avangrid Power LLC	Lake Park, IA	98 GWh	Nov 2003	Dec 2025	Wind
Moraine Wind LLC	Avangrid Power LLC	Woodstock, MN	89 GWh	Nov 2003	Dec 2025	Wind
Dike City Power Plant	City of Dike - (IA)	Dike, IA	4 MWh	May 2005	Dec 2025	Distillate Fuel Oil
TG Windfarm LLC	TG Windfarm LLC	Pipestone, MN	4 GWh	Oct 2003	Dec 2025	Wind
Bisson Windfarm LLC	Bisson Windfarm LLC	Pipestone, MN	4 GWh	Sep 2003	Dec 2025	Wind
Tofteland Windfarm LLC	Tofteland Windfarm LLC	Pipestone, MN	4 GWh	Sep 2003	Dec 2025	Wind
Westridge Windfarm LLC	Westridge Windfarm LLC	Woodstock, MN	4 GWh	Oct 2003	Dec 2025	Wind
Fey Windfarm LLC	Fey Windfarm LLC	Woodstock, MN	4 GWh	Aug 2003	Dec 2025	Wind
Windcurrent Farms LLC	Windcurrent Farms LLC	Woodstock, MN	5 GWh	Aug 2003	Dec 2025	Wind
K-Brink Windfarm LLC	K-brink Windfarm, LLC	Woodstock, MN	6 GWh	Jan 2003	Dec 2025	Wind
DL Windy Acres LLC	Brewster	Brewster, MN	5 GWh	Nov 2003	Dec 2025	Wind
S&P Windfarm LLC	Brewster	Brewster, MN	5 GWh	Nov 2003	Dec 2025	Wind
Boeve Windfarm LLC	Boeve Windfarm LLC	Woodstock, MN	4 GWh	Jul 2003	Dec 2025	Wind
B&K Energy Systems LLC	Brewster	Brewster, MN	5 GWh	Nov 2003	Dec 2025	Wind
Shell Chemical	Shell Chemical LP - Geismar	Geismar, LA	585 GWh	Jul 2002	Dec 2025	Natural Gas
Intrepid	MidAmerican Energy Co	Schaller, IA	546 GWh	Nov 2004	Dec 2025	Wind
Century	MidAmerican Energy Co	Blairsburg, IA	609 GWh	Aug 2005	Dec 2025	Wind
IBM West	Rochester Public Utilities	Rochester, MN	24 MWh	Sep 2005	Dec 2025	Distillate Fuel Oil
Hargis-Hebert Electric Generating	Lafayette Utilities System	Lafayette, LA	76 GWh	May 2006	Dec 2025	Natural Gas
Trimont Area Wind Farm	Avangrid Power LLC	Trimont, MN	350 GWh	Oct 2005	Dec 2025	Wind
Cedar Ridge	Wisconsin Power & Light Co	Eden, WI	185 GWh	Nov 2008	Dec 2025	Wind
Whispering Willow Wind Farm - East	Interstate Power and Light Co	Iowa Falls, IA	405 GWh	Nov 2009	Dec 2025	Wind
FPL Energy Burleigh County Wind	FPL Energy Burleigh County Wind LLC	Wilton, ND	180 GWh	Nov 2005	Dec 2025	Wind
Victory Wind Farm	MidAmerican Energy Co	Westside, IA	384 GWh	Nov 2006	Dec 2025	Wind
Northern Iowa Windpower II	Avangrid Power LLC	Kensett, IA	134 GWh	Dec 2007	Dec 2025	Wind
Top of Iowa Windfarm III	Madison Gas & Electric Co	Kensett, IA	40 GWh	Jan 2008	Dec 2025	Wind
FPL Energy Oliver Wind I LLC	FPL Energy Oliver County Wind	Center, ND	182 GWh	Nov 2006	Dec 2025	Wind
Agriwind	Agriwind Holdings, LLC	Tiskilwa, IL	17 GWh	Jun 2007	Dec 2025	Wind
Stahl Wind Energy	Stahl Wind Energy, LLC (Longroad)	Pipestone, MN	2 GWh	Nov 2004	Dec 2025	Wind
Carstensen Wind	Carstensen Wind, LLC (Longroad)	Pipestone, MN	3 GWh	Nov 2004	Dec 2025	Wind
Northern Lights Wind LLC	Northern Lights Wind LLC (Longroad)	Pipestone, MN	2 GWh	Nov 2004	Dec 2025	Wind
Lucky Wind	Lucky Wind, LLC (Longroad)	Pipestone, MN	3 GWh	Nov 2004	Dec 2025	Wind
Greenback Energy	Greenback Energy, LLC (Longroad)	Pipestone, MN	2 GWh	Nov 2004	Dec 2025	Wind
Redwood Falls Wind	Southern Minnesota Mun P Agny	Redwood Falls, MN	9 GWh	Nov 2004	Dec 2025	Wind
Fairmont Wind	Southern Minnesota Mun P Agny	Fairmont, MN	13 GWh	Feb 2003	Dec 2025	Wind
Michigan Wind 1	Michigan Wind 1, LLC	Ubly, MI	165 GWh	Nov 2008	Dec 2025	Wind
Mower County Wind Energy Center	Northern States Power Co - Minnesota	Grand Meadow, MN	334 GWh	Nov 2006	Dec 2025	Wind
Ameresco Janesville	AMERESCO Janesville LLC	Janesville, WI	3 GWh	Sep 2004	Dec 2025	Landfill Gas
MinnDakota Wind LLC	Avangrid Power LLC	Ivanhoe, MN	337 GWh	Dec 2007	Dec 2025	Wind
Oak Ridge LFGTE	Wabash Valley Power Assn, Inc	Logansport, IN	23 GWh	Nov 2003	Dec 2025	Landfill Gas
Liberty I & II LFGTE	Wabash Valley Power Assn, Inc	Monticello, IN	10 MWh	Jul 2005	Dec 2025	Landfill Gas
Marshfield Utilities Gas Plant	City of Marshfield - (WI)	Marshfield, WI	19 GWh	May 2011	Dec 2025	Natural Gas
Prairie Star Wind Farm	High Prairie Wind Farm II LLC	Grand Meadow, MN	303 GWh	Nov 2007	Dec 2025	Wind
Riley Generating Station	City of Zeeland - (MI)	Zeeland, MI	844 MWh	Jun 2006	Dec 2025	Natural Gas
Municipal Power Plant	City of Zeeland - (MI)	Zeeland, MI	205 MWh	May 2002	Dec 2025	Natural Gas
Jonesboro City Water & Light Plant	City Water and Light Plant - (AR)	Jonesboro, AR	57 GWh	Jun 1999	Dec 2025	Natural Gas : 99.9%
West Diesel Generation Unit	City of Pocahontas - (IA)	Pocahontas, IA	4 MWh	May 2006	Dec 2025	Distillate Fuel Oil
Deertrack Park Gas Recovery	WM Renewable Energy LLC	Watertown, WI	33 GWh	Jan 2006	Dec 2025	Landfill Gas
Lake Mills Gas Recovery	WM Renewable Energy LLC	Lake Mills, IA	32 GWh	Feb 2006	Dec 2025	Landfill Gas
Two Pine Landfill Gas Recovery	WM Renewable Energy LLC	North Little Rock, AR	30 GWh	Sep 2006	Dec 2025	Landfill Gas
Timberline Trail Gas Recovery	WM Renewable Energy LLC	Weyerhaeser, WI	19 GWh	Jan 2006	Dec 2025	Landfill Gas
Five Oaks Gas Recovery	WM Renewable Energy LLC	Taylorville, IL	24 GWh	Jan 2008	Dec 2025	Landfill Gas
Eastridge Wind Project	Eastridge Wind Project	Porter, MN	14 GWh	Mar 2006	Dec 2025	Wind
Windom Wind Project	Midwest Power Partners LLC	Bingham Lake, MN	32 GWh	Feb 2006	Dec 2025	Wind
FPL Energy Oliver Wind II LLC	FPL Energy Oliver County Wind II LLC	Center, ND	189 GWh	Nov 2007	Dec 2025	Wind
Blue Breezes LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2025	Wind
Blue Breezes II LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2025	Wind
Sunset Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Minnesota Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
G Flow Wind LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Wolf Wind Enterprises LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Green Acres Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Elm Street Substation Generators	City of Farmington - (MO)	Farmington, MO	16 MWh	Sep 2002	Dec 2025	Distillate Fuel Oil
Walton Street Substation	City of Farmington - (MO)	Farmington, MO	7 MWh	Dec 2002	Dec 2025	Distillate Fuel Oil
Overall Road Station	City of Farmington - (MO)	Farmington, MO	29 MWh	Feb 2003	Dec 2025	Distillate Fuel Oil
San Jacinto County Peaking Facility	East Texas Electric Coop, Inc	Shepherd, TX	287 GWh	Jun 2001	Dec 2025	Natural Gas
Hardin County Peaking Facility	Entergy Texas Inc.	Kountze, TX	257 GWh	Jun 2001	Dec 2025	Natural Gas
Langdon Renewables, LLC	FPL Energy Langdon Wind LLC	Langdon, ND	489 GWh	Nov 2007	Dec 2025	Wind
Ewington Energy Systems, LLC	Ewington Energy Systems, LLC	Worthington, MN	81 GWh	Dec 2007	Dec 2025	Wind
Taconite Ridge 1 Wind Energy Center	ALLETE, Inc.	Mountain Iron, MN	53 GWh	Apr 2008	Dec 2025	Wind
Harvest	Harvest Windfarm, LLC	Elkton, MI	117 GWh	Dec 2007	Dec 2025	Wind
St Paul Cogeneration	St Paul Cogeneration LLC	St. Paul, MN	75 GWh	Mar 2003	Dec 2025	Wood/Wood Waste Solids : 82.4% Natural Gas : 17.6%
Michigan Wind 2	Michigan Wind 2, LLC	Minden City, MI	329 GWh	Nov 2011	Dec 2025	Wind
Velva Windfarm LLC	Acciona Wind Energy USA LLC	Velva, ND	20 GWh	Nov 2005	Dec 2025	Wind
Charles City Wind Farm	MidAmerican Energy Co	Charles City, IA	268 GWh	Mar 2008	Dec 2025	Wind
Benton County Wind Farm	Orion Energy Group LLC	Earl Park, IN	343 GWh	Apr 2008	Dec 2025	Wind
Jeffers Wind 20 LLC	Northern States Power Co - Minnesota	Jeffers, MN	196 GWh	Sep 2008	Dec 2025	Wind
Odin Wind Farm LLC	Aspenall Energies (Delaware), LLC	Mountainlake, MN	32 GWh	Apr 2008	Dec 2025	Wind
Winnebago Wind Power Project	Avangrid Power LLC	Forest City, IA	61 GWh	Aug 2008	Dec 2025	Wind
Barton Windpower LLC	Avangrid Power LLC	Kensett, IA	365 GWh	May 2009	Dec 2025	Wind
Farmers City Wind LLC	Avangrid Power LLC	Tarkio, MO	253 GWh	Mar 2009	Dec 2025	Wind
Diamond Willow Wind Facility	Montana-Dakota Utilities Co	Baker, MT	88 GWh	Nov 2007	Dec 2025	Wind
Geismar Cogen	Air Liquide Large Industries U S LP	Geismar, LA	528 GWh	Dec 1999	Dec 2025	Natural Gas
Elm Creek Wind LLC	Avangrid Power LLC	Trimont, MN	192 GWh	Nov 2008	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