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
Storm Lake 1	ALLETE Clean Energy	Alta, IA	87 GWh	Apr 1999	Dec 2025	Wind
Kimberly Mill	City of Kaukauna (WI)	Appleton, WI	13 GWh	Dec 1925	Dec 2025	Water
Peoples Generating Station	Sagepoint Energy	Ann Arbor, MI	25 GWh	Aug 1995	Dec 2025	Landfill Gas
Adrian Energy Associates LLC	NextEra Renewable Fuels, LLC	Adrian, MI	2 GWh	Nov 1994	Dec 2025	Landfill Gas
Brent Run Generating Station	Energy Developments, Inc d/b/a EDL	Montrose, MI	50 GWh	Dec 1997	Dec 2025	Landfill Gas
Michigan Power LP	Michigan Power Limited Partnership	Ludington, MI	1 TWh	Sep 1995	Dec 2025	Natural Gas
Ergon Refining Vicksburg	Ergon Refining Inc	Vicksburg, MS	35 GWh	Feb 1995	Dec 2025	Natural Gas
Alliant SBD 9403 Aegon DC	Industrial Energy Applications Inc	Cedar Rapids, IA	15 MWh	Dec 1994	Dec 2025	Distillate Fuel Oil
Deercroft I & II LFGTE	Wabash Valley Power Assn, Inc	Michigan City, IN	19 GWh	Jul 1999	Dec 2025	Landfill Gas
Indiana Harbor E 5 AC Station	Northlake Energy	East Chicago, IN	649 GWh	Apr 1996	Dec 2025	Blast Furnace Gas : 91.2% Natural Gas : 8.8%
LSP-Cottage Grove LP	Cottage Grove Operating Services LLC	Cottage Grove, MN	549 GWh	Sep 1997	Dec 2025	Natural Gas
De Pere Energy Center	Wisconsin Public Service Corp	De Pere, WI	180 GWh	May 1999	Dec 2025	Natural Gas : 59.9% Distillate Fuel Oil : 40.1%
Davenport Water Pollution Control Plant	Davenport, City of - (IA)	Davenport, IA	6 GWh	Apr 1995	Dec 2025	Other Biomass Gas : 63.5% Natural Gas : 36.5%
Portside Energy	Primary Energy Recycling Holdings, LLC	Portage, IN	262 GWh	Aug 1997	Dec 2025	Natural Gas
Kalamazoo River Generating Station	CMS Generation MI Power LLC	Comstock, MI	136 GWh	May 1999	Dec 2025	Natural Gas
Livingston Generating Station	CMS Generation MI Power LLC	Gaylord, MI	22 GWh	May 1999	Dec 2025	Natural Gas
Vermillion Energy Facility	Duke Energy Ohio Inc	Cayuga, IN	422 GWh	May 2000	Dec 2025	Natural Gas
NAFTA Region Olefins Complex Cogen Fac	BASF Corp	Port Arthur, TX	577 GWh	Jun 2001	Dec 2025	Natural Gas
Alliant Energy Neenah	Wisconsin Power & Light Co	Neenah, WI	483 GWh	Apr 2000	Dec 2025	Natural Gas
Worthington Generation LLC	Hoosier Energy R E C, Inc	Worthington, IN	203 GWh	May 2000	Dec 2025	Natural Gas
Calcasieu	Entergy Louisiana LLC	Sulphur, LA	139 GWh	Apr 2000	Dec 2025	Natural Gas
Gibson City Energy Center LLC	Gibson City Energy Center LLC	Gibson City, IL	77 GWh	May 2000	Dec 2025	Natural Gas
Lake Benton I	ALLETE Clean Energy	Lake Benton, MN	235 GWh	Jan 1998	Dec 2025	Wind
Harry L. Oswald	Arkansas Electric Coop Corp	Little Rock, AR	929 GWh	Jun 2002	Dec 2025	Natural Gas
Wheatland Generating Facility	Duke Energy Indiana, LLC	Wheatland, IN	153 GWh	May 2000	Dec 2025	Natural Gas
Audrain Generating Station	Union Electric Co - (MO)	Vandalia, MO	403 GWh	Jan 2001	Dec 2025	Natural Gas
Shelby Energy County	Shelby County Energy Center, LLC	Neoga, IL	184 GWh	May 2000	Dec 2025	Natural Gas
Lake Benton II	Northern States Power Co - Minnesota	Ruthton, MN	440 GWh	May 1999	Dec 2025	Wind
Storm Lake II	ALLETE Clean Energy	Alta, IA	115 GWh	Mar 1999	Dec 2025	Wind
Air Products Port Arthur	Air Products LLC	Port Arthur, TX	1 TWh	Oct 2000	Dec 2025	Natural Gas : 93.4% Other Gas : 6.6%
Woodstock Windfarm	RWE Clean Energy	Woodstock, MN	37 GWh	Apr 1999	Dec 2025	Wind
Lakota Ridge LLC	Lakota Ridge, LLC (Longroad)	Hendricks, MN	14 GWh	Mar 1999	Dec 2025	Wind
Shaokatan Hills LLC	Shaokatan Hills, LLC (Longroad)	Hendricks, MN	11 GWh	Jul 1999	Dec 2025	Wind
Crossroads Energy Center	Clarksdale Public Utilities	Clarksdale, MS	65 GWh	Jun 2002	Dec 2025	Natural Gas
Kentucky Mills	Domtar Paper Company LLC	Hawesville, KY	338 GWh	May 2001	Dec 2025	Black Liquor : 75.4% Wood/Wood Waste Solids : 23.7% Natural Gas : 0.8%
Columbia Energy Center	City of Columbia - (MO)	Columbia, MO	51 GWh	May 2001	Dec 2025	Natural Gas
MMSD South Shore Wastewater	Milwaukee Metro Sewerage Dist	Oak Creek, WI	23 GWh	Jul 2000	Dec 2025	Other Biomass Gas : 88.5% Natural Gas : 11.5%
Agassiz Beach LLC	CHI Operations Inc	Averill, MN	3 GWh	Jan 2001	Dec 2025	Wind
GRS C&C	Gas Recovery Systems Inc	Marshall, MI	21 GWh	Jan 1995	Dec 2025	Landfill Gas
Flambeau Crowley Rapids Project	Zero6 Energy Hydro	Park Falls, WI	4 GWh	Dec 1929	Dec 2025	Water
Flambeau Lower Project	Zero6 Energy Hydro	Park Falls, WI	3 GWh	Dec 1922	Dec 2025	Water
Dean	DTE Electric Company	East China, MI	705 GWh	May 2002	Dec 2025	Natural Gas
Otsego Mill Power Plant	Otsego Paper Inc	Otsego, MI	163 GWh	Oct 1995	Dec 2025	Natural Gas
Old Gold Energy Center, LLC	Old Gold Energy Center, LLC	Joice, IA	57 GWh	Sep 2001	Dec 2025	Wind
Kas Brothers Windfarm	Kas Brothers Windfarm LLC	Woodstock, MN	2 GWh	Nov 2001	Dec 2025	Wind
Hawkeye Power Partners LLC	Hawkeye Power Partners LLC	Garner, IA	168 GWh	Mar 1999	Dec 2025	Wind
Island Street Peaking Plant	WPPI Energy	Kaukauna, WI	20 GWh	May 2004	Dec 2025	Natural Gas
Oak Point Cogen	Chevron Oronite Co LLC	Belle Chasse, LA	98 GWh	Sep 1999	Dec 2025	Natural Gas
Stevens Point Mill	Pixelle Specialty Solution, LLC	Stevens Point, WI	14 GWh	Jan 2002	Dec 2025	Natural Gas
Ridgeview	WM Renewable Energy LLC	Whitelaw, WI	37 GWh	Aug 2002	Dec 2025	Landfill Gas
Alliant SBD0201 Ingredion	Industrial Energy Applications Inc	Cedar Rapids, IA	38 MWh	May 2003	Dec 2025	Distillate Fuel Oil
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
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	186 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

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