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	Oct 2026
Annual Generation	677.7 TWh
Power Plants	3,095
Utilities	1,372
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 \| 37.1% Coal \| 26.2% Wind \| 15% Nuclear \| 13.8% Solar \| 6.1% 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
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
Moraine II Wind LLC	Avangrid Power LLC	Woodstock, MN	101 GWh	Jan 2009	Dec 2025	Wind
Carroll Wind Farm	MidAmerican Energy Co	Carroll, IA	557 GWh	Nov 2008	Dec 2025	Wind
Adair Wind Farm	MidAmerican Energy Co	Adair, IA	551 GWh	Nov 2008	Dec 2025	Wind
Walnut Wind Farm	MidAmerican Energy Co	Walnut, IA	558 GWh	Nov 2008	Dec 2025	Wind
Marshall Wind 3 LLC	Marshall Wind Farm, LLC	Marshall, MN	4 GWh	Nov 2007	Dec 2025	Wind
Marshall Wind 4 LLC	Marshall Wind Farm, LLC	Marshall, MN	4 GWh	Nov 2007	Dec 2025	Wind
Marshall Wind 5 LLC	Marshall Wind Farm, LLC	Marshall, MN	2 GWh	Nov 2007	Dec 2025	Wind
Marshall Wind 6 LLC	Marshall Wind Farm, LLC	Marshall, MN	3 GWh	Nov 2007	Dec 2025	Wind
Crane Creek Wind Energy Center	Wisconsin Public Service Corp	Riceville, IA	284 GWh	Nov 2009	Dec 2025	Wind
Marshall Wind 1 LLC	Marshall Wind Farm, LLC	Marshall, MN	1 GWh	Nov 2007	Dec 2025	Wind
Bryon Center	Energy Developments, Inc d/b/a EDL	Byron Center, MI	31 GWh	Feb 2009	Dec 2025	Landfill Gas
Pinconning White Feather	Energy Developments, Inc d/b/a EDL	Pinconning, MI	16 GWh	Feb 2009	Dec 2025	Landfill Gas
Rail Splitter Wind Farm	Rail Splitter Wind Farm LLC	Hopedale, IL	269 GWh	Jul 2009	Dec 2025	Wind
Hardin Hilltop Wind LLC	Hardin Holdco LLC	Jefferson, IA	31 GWh	Apr 2007	Dec 2025	Wind
Wapsipinicon Wind Project	EDF Renewable Asset Holdings, Inc.	Dexter, MN	268 GWh	Jan 2009	Dec 2025	Wind
Hoosier Wind Project LLC	AES Indiana	Goodland, IN	243 GWh	Oct 2009	Dec 2025	Wind
Ameresco Jefferson City	AMERESCO Jefferson City LLC	Jefferson City, MO	16 GWh	Feb 2009	Dec 2025	Landfill Gas
Langdon Wind II LLC	FPL Energy Langdon Wind LLC	Osnabrock, ND	175 GWh	Aug 2008	Dec 2025	Wind
FPL Energy Ashtabula Wind LLC	FPL Energy Ashtabula Wind LLC	Luverne, ND	583 GWh	Nov 2008	Dec 2025	Wind
Grand Meadow	Northern States Power Co - Minnesota	Dexter, MN	379 GWh	Nov 2008	Dec 2025	Wind
Spruce Ridge Gas Recovery	WM Renewable Energy LLC	Glencoe, MN	25 GWh	Mar 2008	Dec 2025	Landfill Gas
Waste Management Northern Oaks LFGTE	WM Renewable Energy LLC	Harrison, MI	9 GWh	Oct 2010	Dec 2025	Landfill Gas
Waste Management Eco Vista LFGTE	WM Renewable Energy LLC	Springdale, AR	22 GWh	Oct 2010	Dec 2025	Natural Gas
Luverne Wind Energy Center	Otter Tail Power Co	Luverne, ND	151 GWh	Aug 2009	Dec 2025	Wind
Ashtabula Wind Energy Center	Otter Tail Power Co	Luverne, ND	89 GWh	Sep 2008	Dec 2025	Wind
Langdon Wind Energy Center	Otter Tail Power Co	Langdon, ND	173 GWh	Nov 2007	Dec 2025	Wind
Willmar Municipal East Substation	Willmar Municipal Utilities (MN)	Willmar, MN	32 MWh	May 2000	Dec 2025	Distillate Fuel Oil
Willmar Municipal SW Substation	Willmar Municipal Utilities (MN)	Willmar, MN	30 MWh	May 2000	Dec 2025	Distillate Fuel Oil
Bison I Wind Energy Center	ALLETE, Inc.	New Salem, ND	196 GWh	Nov 2010	Dec 2025	Wind
Twin Cities Hydro LLC	Twin Cities Hydro LLC	St. Paul, MN	97 GWh	Sep 1924	Dec 2025	Water
Rugby Wind Power Project	Avangrid Power LLC	Barton, ND	348 GWh	Nov 2009	Dec 2025	Wind
Lost Lakes Wind Farm LLC	Lost Lakes Wind Farm LLC	Lake Park, IA	270 GWh	Nov 2009	Dec 2025	Wind
Koda Biomass Plant	Koda Energy LLC	Shakopee, MN	53 GWh	Apr 2009	Dec 2025	Agricultural By-Products : 75.1% Wood/Wood Waste Solids : 16.1% Natural Gas : 8.9%
Wilton Wind II LLC	Wilton Wind II LLC	Wilton, ND	201 GWh	Oct 2009	Dec 2025	Wind
Ashtabula Wind II LLC	Ashtabula Wind II LLC	Luverne, ND	364 GWh	Sep 2009	Dec 2025	Wind
Stoney Corners Wind Farm	DTE Sustainable Generation	McBain, MI	125 GWh	Nov 2009	Dec 2025	Wind
Cedar Hills Wind Farm	Montana-Dakota Utilities Co	Rhame, ND	48 GWh	May 2010	Dec 2025	Wind
Glen Ullin Station 6	Montana-Dakota Utilities Co	Glen Ullin, ND	32 GWh	Jun 2009	Dec 2025	Waste Heat
Little Quinnesec Falls Hydro Project	Eagle Creek Renewable Energy, LLC	Niagara, WI	61 GWh	Nov 1900	Dec 2025	Water
Bent Tree Wind Farm Phase 1	Wisconsin Power & Light Co	Hartland, MN	334 GWh	Jan 2011	Dec 2025	Wind
Waverly Community Wind Project	Waverly Municipal Elec Utility - (IA)	Waverly, IA	4 GWh	Nov 2001	Dec 2025	Wind
Welcome Wind Turbine	Federated Rural Electric Assn	Welcome, MN	3 GWh	Apr 2008	Dec 2025	Wind
Grant County Wind LLC	Grant County Wind, LLC	Woodstock, MN	53 GWh	Jul 2010	Dec 2025	Wind
Big Blue	Big Blue Wind Farm LLC (MN)	Blue Earth, MN	71 GWh	Nov 2012	Dec 2025	Wind
Carleton College	Carleton College	Northfield, MN	8 GWh	Aug 2004	Dec 2025	Wind : 99.5%
White Oak Energy LLC	White Oak Energy LLC	Carlock, IL	400 GWh	May 2011	Dec 2025	Wind
Baldwin Wind LLC	Baldwin Wind LLC	Wilton, ND	384 GWh	Nov 2010	Dec 2025	Wind
Uilk Wind LLC	RENEW Energy Inc	Pipestone, MN	7 GWh	Dec 2009	Dec 2025	Wind
Adams Wind Generations LLC	BEAM US, LLC	Cosmos, MN	57 GWh	Feb 2011	Dec 2025	Wind
Community Wind North LLC	Northern States Power Co - Minnesota	Verdi Township, MN	110 GWh	Apr 2011	Dec 2025	Wind
Ridgewind	Ridgewind Power Partners LLC	Woodstock, MN	75 GWh	Dec 2010	Dec 2025	Wind
Ashtabula Wind III LLC	Otter Tail Power Co	Luverne, ND	120 GWh	Nov 2010	Dec 2025	Wind
Danielson Wind Farms LLC	BEAM US, LLC	Cosmos, MN	56 GWh	Feb 2011	Dec 2025	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	433.0 GWh	4
#26	Associated Electric Cooperative, Inc.	22.9 TWh	47
#13	Duke Energy Carolinas	113.4 TWh	578
#50	Duke Energy Progress West	4.6 TWh	15
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.2 TWh	25
#1	PJM Interconnection, LLC	890.9 TWh	2,806
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#5	Southwest Power Pool	314.5 TWh	876
#53	Southwestern Power Administration	3.5 TWh	37
#9	Tennessee Valley Authority	166.2 TWh	209

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	890.9 TWh	2,806
#2	Midcontinent Independent System Operator, Inc.	677.7 TWh	3,095
#3	Electric Reliability Council of Texas, Inc.	506.3 TWh	1,487
#5	Southwest Power Pool	314.5 TWh	876
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#7	California Independent System Operator	168.7 TWh	2,170
#9	Tennessee Valley Authority	166.2 TWh	209
#10	Florida Power & Light Co.	153.0 TWh	188
#12	New York Independent System Operator	134.1 TWh	1,334
#13	Duke Energy Carolinas	113.4 TWh	578