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
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
Wapsipinicon Wind Project	EDF Renewable Asset Holdings, Inc.	Dexter, MN	268 GWh	Jan 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
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
Cannelton Hydroelectric Plant	American Mun Power-Ohio, Inc	Hawesville, KY	417 GWh	Dec 2015	Dec 2025	Water
Eagle Valley (MI)	WM Renewable Energy LLC	Orion, MI	23 GWh	Jun 2011	Dec 2025	Landfill Gas
Elk Wind Farm	Greenbacker Renewable Energy Corporation	Greeley, IA	173 GWh	Nov 2011	Dec 2025	Wind
Oak Glen Wind Farm	Minnesota Municipal Power Agny	Blooming Prairie, MN	102 GWh	Oct 2011	Dec 2025	Wind
Valley View Transmission LLC	RWE Clean Energy	Chandler, MN	4 GWh	Jun 2011	Dec 2025	Wind
Settlers Trail Wind Farm LLC	RWE Clean Energy	Sheldon, IL	320 GWh	Sep 2011	Dec 2025	Wind
Laurel Wind Farm	MidAmerican Energy Co	Laurel, IA	470 GWh	Nov 2011	Dec 2025	Wind
Shirley Wind	Duke Energy Renewables Services	Denmark, WI	57 GWh	Oct 2010	Dec 2025	Wind
New Harvest Wind Project LLC	Avangrid Power LLC	Schleswig, IA	263 GWh	Nov 2011	Dec 2025	Wind
Bos Dairy, LLC	Bos Dairy, LLC	Fair Oaks, IN	7 GWh	Dec 2004	Dec 2025	Natural Gas
Wolverine	Wolverine Wind Energy, LLC	Greenfield, IA	5 GWh	Sep 2010	Dec 2025	Wind
Bulldog	Bulldog Wind Energy, LLC	Orient, IA	4 GWh	Sep 2010	Dec 2025	Wind
Elm Creek Wind II LLC	Avangrid Power LLC	Trimont, MN	187 GWh	Nov 2010	Dec 2025	Wind
SAF Hydroelectric LLC	SAF Hydroelectric LLC	Minneapolis, MN	30 GWh	Nov 2011	Dec 2025	Water
Pioneer Trail Wind Farm, LLC	RWE Clean Energy	Paxton, IL	470 GWh	Nov 2011	Dec 2025	Wind
Blue Water Renewables Inc	Blue Water Renewables Inc	Kimball Township, MI	20 GWh	Nov 2011	Dec 2025	Landfill Gas
UMM Wind Turbine	University of Minnesota Morris Campus	Morris, MN	3 GWh	May 2011	Dec 2025	Wind
Bison 2 Wind Energy Center	ALLETE, Inc.	New Salem, ND	270 GWh	Nov 2012	Dec 2025	Wind
Bison 3 Wind Energy Center	ALLETE, Inc.	New Salem, ND	268 GWh	Nov 2012	Dec 2025	Wind
GL Wind	GL Wind LLC	Lewiston, MN	10 GWh	Nov 2011	Dec 2025	Wind
WCROC Wind Farm	University of Minnesota WCROC	Morris, MN	1 GWh	Feb 2005	Dec 2025	Wind
Onalaska Campus Landfill Biogas	Gundersen Lutheran Biogas I LLC	Onalaska, WI	4 GWh	Feb 2012	Dec 2025	Landfill Gas
Rippey Wind Farm	Greenbacker Renewable Energy Corporation	Grand Junction, IA	167 GWh	Jul 2012	Dec 2025	Wind
Hawkeye Wind Farm	Greenbacker Renewable Energy Corporation	Sumner, IA	171 GWh	Sep 2012	Dec 2025	Wind
Franklin County Wind Farm	Interstate Power and Light Co	Iowa Falls, IA	302 GWh	Nov 2012	Dec 2025	Wind
Vienna Wind Farm	MidAmerican Energy Co	Marshalltown, IA	622 GWh	Oct 2012	Dec 2025	Wind
Morning Light Wind Farm	MidAmerican Energy Co	Adair, IA	407 GWh	Sep 2012	Dec 2025	Wind
Eolos Wind Energy Research Field Station	Regents of the University of Minnesota	Rosemount, MN	2 GWh	Sep 2011	Dec 2025	Wind
Harvest 2	Harvest II Windfarm, LLC	Elkton, MI	199 GWh	Oct 2012	Dec 2025	Wind
SMMPA Methane Energy Facility	Southern Minnesota Mun P Agny	Mora, MN	3 GWh	Mar 2012	Dec 2025	Landfill Gas
Cashton Greens Wind Farm	Cashton Greens Wind Farm LLC	Cashton, WI	10 GWh	Apr 2012	Dec 2025	Wind
Pocahontas Prairie Wind Farm	MidAmerican Energy Co	Pomeroy, IA	374 GWh	Jan 2012	Dec 2025	Wind
Lake Winds Energy Park	Consumers Energy Co - (MI)	Ludington, MI	251 GWh	Oct 2012	Dec 2025	Wind
Beebe 1A	Beebe Renewable Energy, LLC	Ithaca, MI	186 GWh	Nov 2012	Dec 2025	Wind
Buffalo Center Wind LLC	Buffalo Center Wind LLC	Little Cedar, IA	4 GWh	Oct 2011	Dec 2025	Wind
Community Wind South	Greenbacker Renewable Energy Corporation	Rushmore, MN	88 GWh	Nov 2012	Dec 2025	Wind
Windwalkers LLC	RWE Clean Energy	Kensett, IA	2 GWh	Aug 2011	Dec 2025	Wind
Roeder Family Wind Farm LLC	RWE Clean Energy	Manly, IA	5 GWh	Aug 2011	Dec 2025	Wind
Heritage Garden Wind Farm I LLC	DTE Sustainable Generation	Garden, MI	71 GWh	Aug 2012	Dec 2025	Wind
Bishop Hill II Wind Farm	Bishop Hill Energy II, LLC	Cambridge, IL	334 GWh	Sep 2012	Dec 2025	Wind
Rothschild Biomass Cogen Facility	Wisconsin Electric Power Co	Rothschild, WI	166 GWh	Oct 2013	Dec 2025	Wood/Wood Waste Solids : 94.7% Natural Gas : 5.3%
Western Michigan University Power Plant	Western Michigan University	Kalamazoo, MI	81 GWh	Jul 1997	Dec 2025	Natural Gas
Slayton Solar	Ecos Energy LLC	Slayton, MN	2 GWh	Dec 2012	Dec 2025	Solar
Chatham	City of Lowell - (MI)	Lowell, MI	103 MWh	Aug 2013	Dec 2025	Natural Gas
The Andersons Albion Ethanol LLC	The Andersons Albion Ethanol LLC	Albion, MI	62 GWh	Jul 2006	Dec 2025	Natural Gas
IND Community Solar Farm 1st Phase	Terraform Arcadia	Indianapolis, IN	14 GWh	Oct 2013	Dec 2025	Solar
Luther College Wind Project	Luther College Wind Energy Project LLC	Decorah, IA	2 GWh	Sep 2011	Dec 2025	Wind
NLMU Wind	New London Municipal Utilities - (IA)	New London, IA	5 GWh	Oct 2011	Dec 2025	Wind
Lansing BWL REO Town Plant	Lansing Board of Water and Light	Lansing, MI	477 GWh	Jun 2013	Dec 2025	Natural Gas
Junction Hilltop Wind Farm	Junction Hilltop Management LLC	Dana, IA	24 GWh	Feb 2012	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