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
Ashtabula Wind III LLC	Otter Tail Power Co	Luverne, ND	143 GWh	Nov 2010	Dec 2024	Wind
Buffalo Ridge II LLC	Avangrid Power LLC	Elkton, SD	454 GWh	Nov 2010	Sep 2025	Wind
Elm Creek Wind II LLC	Avangrid Power LLC	Trimont, MN	205 GWh	Nov 2010	Dec 2024	Wind
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
Shirley Wind	Duke Energy Renewables Services	Denmark, WI	60 GWh	Oct 2010	Dec 2024	Wind
Wolverine	Wolverine Wind Energy, LLC	Greenfield, IA	5 GWh	Sep 2010	Dec 2024	Wind
Bulldog	Bulldog Wind Energy, LLC	Orient, IA	4 GWh	Sep 2010	Dec 2024	Wind
Story City Wind Project	Hamilton Wind Energy LLC	Story City, IA	5 GWh	Sep 2010	Dec 2024	Wind
Traer Wind Project	City of Traer - (IA)	Traer, IA	6 GWh	Sep 2010	Dec 2024	Wind
Plum Point Energy Station	NRG Energy Services - Plum Point	Osceola, AR	4 TWh	Aug 2010	Sep 2025	Subbituminous Coal : 99.9%
Grant County Wind LLC	Grant County Wind, LLC	Woodstock, MN	55 GWh	Jul 2010	Dec 2024	Wind
OREG 3 Inc	Ormat Nevada Inc	Trimont, MN	43 GWh	Jul 2010	Sep 2025	Waste Heat
Granite City Works	United States Steel Granite City Works	Granite City, IL	438 GWh	May 2010	Sep 2025	Natural Gas : 50.8% Purchased Steam : 49.2%
Cedar Hills Wind Farm	Montana-Dakota Utilities Co	Rhame, ND	56 GWh	May 2010	Dec 2024	Wind
Elm Road Generating Station	Wisconsin Electric Power Co	Oak Creek, WI	7 TWh	Jan 2010	Sep 2025	Subbituminous Coal : 79.7% Bituminous Coal : 17.0% Natural Gas : 3.3%
Uilk Wind LLC	RENEW Energy Inc	Pipestone, MN	9 GWh	Dec 2009	Dec 2024	Wind
Whispering Willow Wind Farm - East	Interstate Power and Light Co	Iowa Falls, IA	425 GWh	Nov 2009	Dec 2024	Wind
Crane Creek Wind Energy Center	Wisconsin Public Service Corp	Riceville, IA	302 GWh	Nov 2009	Dec 2024	Wind
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
Stoney Corners Wind Farm	DTE Sustainable Generation	McBain, MI	127 GWh	Nov 2009	Dec 2024	Wind
Crystal Lake 3 LLC	Crystal Lake 3 LLC	Britt, IA	234 GWh	Nov 2009	Sep 2025	Wind
Garden Wind LLC	Garden Wind LLC	Zearing, IA	345 GWh	Nov 2009	Sep 2025	Wind
Hoosier Wind Project LLC	AES Indiana	Goodland, IN	208 GWh	Oct 2009	Dec 2023	Wind
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
Luverne Wind Energy Center	Otter Tail Power Co	Luverne, ND	110 GWh	Aug 2009	Dec 2024	Wind
Rail Splitter Wind Farm	Rail Splitter Wind Farm LLC	Hopedale, IL	278 GWh	Jul 2009	Dec 2024	Wind
Glen Ullin Station 6	Montana-Dakota Utilities Co	Glen Ullin, ND	38 GWh	Jun 2009	Dec 2024	Waste Heat
Autumn Hills Generating Facility	North American Natural Res	Zeeland, MI	9 GWh	Jun 2009	May 2024	Landfill Gas
Epic Verona	Epic Hosting, LLC	Verona, WI	3 GWh	May 2009	Dec 2024	Solar : 91.9% Distillate Fuel Oil : 8.1%
Barton Windpower LLC	Avangrid Power LLC	Kensett, IA	361 GWh	May 2009	Dec 2024	Wind
Veolia ES Blackfoot Landfill Facility	Southern Indiana Gas & Elec Co	Winslow, IN	7 GWh	May 2009	Dec 2024	Landfill Gas
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%
Thomson Reuters Data Center Bldg ES101	Ryan Companies US, Inc.	Eagan, MN	9 MWh	Apr 2009	Aug 2024	Distillate Fuel Oil
Farmers City Wind LLC	Avangrid Power LLC	Tarkio, MO	246 GWh	Mar 2009	Dec 2024	Wind
Buffalo Ridge I LLC	Avangrid Power LLC	Elkton, SD	100 GWh	Mar 2009	Sep 2025	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
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
FPL Energy Crystal Lake Wind II LLC	FPL Energy Crystal Lake Wind II LLC	Britt, IA	713 GWh	Dec 2008	Sep 2025	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
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
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
Forward Wind Energy Center	Wisconsin Public Service Corp	Brownsville, WI	146 GWh	Jun 2008	Sep 2025	Wind
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
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
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
Cisco	ALLETE Clean Energy	Brewster, MN	9 GWh	Jan 2008	Dec 2024	Wind
Fiber Recovery, Inc.	Fiber Recovery, Inc	Ringle, WI	7 GWh	Dec 2007	Dec 2024	Landfill Gas
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
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
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
Agriwind	Agriwind Holdings, LLC	Tiskilwa, IL	13 GWh	Jun 2007	Dec 2024	Wind
Hardin Hilltop Wind LLC	Junction Hilltop Management LLC	Jefferson, IA	32 GWh	Apr 2007	Dec 2024	Wind
Hidden View Dairy, LLC	Hidden View Dairy, LLC	Rensselaer, IN	4 GWh	Jan 2007	Dec 2024	Natural Gas

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