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
Kent School Road Solar 1	Kent School Road Solar 1	Kent, IL	3 GWh	Nov 2020	Dec 2025	Solar
SunE Stolee CSG, LLC	Ecoplexus, Inc	Kenyon, MN	5 GWh	Feb 2018	Dec 2025	Solar
Kenyon Municipal	Kenyon Municipal Utilities - (MN)	Kenyon, MN	19 MWh	Jul 1997	Dec 2025	Distillate Fuel Oil
Keokuk	Union Electric Co - (MO)	Keokuk, IA	962 GWh	Jul 1913	Dec 2025	Water
Roquette America	Roquette America	Keokuk, IA	222 GWh	Jun 2004	Jul 2026	Natural Gas
Waterford 3	Entergy Louisiana LLC	Killona, LA	10 TWh	Aug 1985	Jul 2026	Nuclear
Waterford 1 & 2	Entergy Louisiana LLC	Killona, LA	339 GWh	Jun 1975	Dec 2025	Natural Gas : 98.8% Distillate Fuel Oil : 1.2%
Blue Water Renewables Inc	Blue Water Renewables Inc	Kimball Township, MI	20 GWh	Nov 2011	Dec 2025	Landfill Gas
Deerfield Wind Energy, LLC	Deerfield Wind Energy, LLC	Kinde, MI	479 GWh	Jan 2017	Jul 2026	Wind
Kindred School	Kindred Public School	Kindred, ND	216 MWh	Sep 2001	Apr 2026	Distillate Fuel Oil
Kingsford	Wisconsin Electric Power Co	Kingsford, MI	26 GWh	Apr 1924	Dec 2025	Water
Wilmot	DTE Electric Company	Kingston Twp, MI	2 GWh	Nov 1968	Jul 2026	Distillate Fuel Oil
Morris Solar	AES Clean Energy	Kirksville, MO	435 GWh	May 2025	Jul 2026	Solar
IMPA Knightstown Solar Park	Indiana Municipal Power Agency	Knightstown, IN	2 GWh	Sep 2023	Dec 2025	Solar
Knoxville Industrial	MidAmerican Energy Co	Knoxville, IA	225 MWh	Mar 2000	Dec 2025	Distillate Fuel Oil
Kohler Solar	Wisconsin Power & Light Co	Kohler, WI	3 GWh	May 2022	Dec 2025	Solar
Kokomo Solar 1, LLC	NJR Clean Energy Ventures Corporation	Kokomo, IN	7 GWh	Nov 2016	Dec 2025	Solar
Hardin County Peaking Facility	Entergy Texas Inc.	Kountze, TX	257 GWh	Jun 2001	Dec 2025	Natural Gas
Weston RICE	Wisconsin Public Service Corp	Kronenwetter, WI	144 GWh	Jun 2023	Dec 2025	Natural Gas
Merricourt Wind Energy Center	Otter Tail Power Co	Kulm, ND	565 GWh	Nov 2020	Jul 2026	Wind
John H Warden	L'Anse Warden Electric Company LLC	L'Anse, MI	81 GWh	Jul 1959	Oct 2025	Wood/Wood Waste Solids : 92.7% Tire-derived Fuels : 7.1%
FastSun 5 CSG	Altus Power America Management, LLC	La Crescent, MN	2 GWh	Dec 2019	Dec 2025	Solar
FastSun 18 CSG	Altus Power America Management, LLC	La Crescent, MN	2 GWh	Dec 2019	Dec 2025	Solar
SolarClub 23 LLC	Nautilus Solar Solutions	La Crescent, MN	2 GWh	Nov 2020	Dec 2025	Solar
Houston/Winona Community Solar One LLC	Madison Energy Holdings LLC	La Crescent, MN	2 GWh	May 2020	Dec 2025	Solar
Winona Community Solar One LLC	Madison Energy Holdings LLC	La Crescent, MN	2 GWh	May 2020	Dec 2025	Solar
French Island	Northern States Power Co - Minnesota	La Cross, WI	68 GWh	Dec 1939	Jul 2026	Wood/Wood Waste Solids : 41.6% Non-biogenic Municipal Solid Waste : 25.4% Biogenic Municipal Solid Waste : 20.7% Distillate Fuel Oil : 12.0%
La Farge	La Farge Municipal Electric Co - (WI)	La Farge, WI	12 MWh	Sep 1990	Dec 2025	Distillate Fuel Oil
Little Gypsy	Entergy Louisiana LLC	La Place, LA	1 TWh	Feb 1961	Jul 2026	Natural Gas
St. Charles Power Station (LA)	Entergy Louisiana LLC	La Place, LA	5 TWh	Apr 2019	Jul 2026	Natural Gas
La Porte	La Porte City Utilities	La Porte City, IA	162 MWh	Nov 2000	Dec 2025	Distillate Fuel Oil
Labadie	Union Electric Co - (MO)	Labadie, MO	15 TWh	May 1970	Jul 2026	Subbituminous Coal : 99.9%
Schulte 2 Community Solar	Schulte 2 Community Solar	Lacon, IL	4 GWh	Nov 2020	Dec 2025	Solar
Diamond Trail Wind Farm	MidAmerican Energy Co	Ladora, IA	842 GWh	Nov 2020	Jul 2026	Wind
Ladysmith Dam	Northern States Power Co - Minnesota	Ladysmith, WI	10 GWh	Dec 1939	Dec 2025	Water
Flambeau Hydroelectric Station	Dairyland Power Coop	Ladysmith, WI	51 GWh	Dec 1950	Dec 2025	Water
Sagamore Plant Cogeneration	Tate & Lyle Ingredients Americas Inc	Lafayette, IN	23 GWh	Sep 1984	Jul 2026	Natural Gas
Caterpillar	Caterpillar Inc	Lafayette, IN	21 GWh	Nov 1983	Jul 2026	Natural Gas
Evonik Industries AG	Evonik Degussa Corporation	Lafayette, IN	7 MWh	Apr 1992	Dec 2024	Distillate Fuel Oil
Primient	Primary Products Ingredients Americas, LLC d/b/a Primient	Lafayette, IN	408 GWh	May 2021	Dec 2025	Natural Gas
T J Labbe Electric Generating	Lafayette Utilities System	Lafayette, LA	47 GWh	Jul 2005	Dec 2025	Natural Gas
Hargis-Hebert Electric Generating	Lafayette Utilities System	Lafayette, LA	76 GWh	May 2006	Dec 2025	Natural Gas
Novel Martens Solar LLC(CSG)	REA Investments, LLC	Lafayette, MN	2 GWh	Feb 2022	Dec 2025	Solar
Buffalo Ridge Wind	Buffalo Ridge Wind, LLC	Lake Benton, MN	430 GWh	Nov 2022	Jul 2026	Wind
Lincoln Heights II	ALLETE Clean Energy	Lake Benton, MN	5 GWh	Apr 2006	Dec 2025	Wind
Lincoln Heights I	ALLETE Clean Energy	Lake Benton, MN	8 GWh	Apr 2006	Dec 2025	Wind
Lake Benton I	ALLETE Clean Energy	Lake Benton, MN	235 GWh	Jan 1998	Dec 2025	Wind
Florence Hills LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2024	Wind
Hadley Ridge LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Nov 2000	Dec 2024	Wind
Hope Creek LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2024	Wind
Ruthton Ridge LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2024	Wind
Soliloquoy Ridge LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2024	Wind
Spartan Hills LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2024	Wind
Twin Lake Hills LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Nov 2000	Dec 2024	Wind
Winters Spawn LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2024	Wind
RS Cogen	Westlake 2 US LLC	Lake Charles, LA	3 TWh	Nov 2002	Jul 2026	Natural Gas
PPG Riverside	Westlake 2 US LLC	Lake Charles, LA	127 GWh	Aug 1947	Jul 2026	Purchased Steam
PPG Powerhouse C	Westlake 2 US LLC	Lake Charles, LA	1 TWh	Jul 1977	Jul 2026	Natural Gas : 99.9%
Agrilectric Power Partners Ltd	Agrilectric Power Partners Ltd	Lake Charles, LA	84 GWh	Jun 1984	Dec 2025	Agricultural By-Products : 99.5%
PPG Plant C Caustic	Westlake 2 US LLC	Lake Charles, LA	14 GWh	Sep 1986	Dec 2025	Natural Gas
Morey Road	Greenbacker Renewable Energy Corporation	Lake City, MI	4 GWh	Oct 2024	Dec 2025	Solar
Workman Road Solar Farm, LLC	Workman Road Solar Farm, LLC	Lake City, MI	4 GWh	Nov 2020	Dec 2025	Solar
Lake Crystal	City of Lake Crystal - (MN)	Lake Crystal, MN	21 MWh	Apr 1952	Dec 2025	Distillate Fuel Oil
POET Biorefining Lake Crystal	POET Biorefining Lake Crystal	Lake Crystal, MN	7 GWh	Mar 2005	Jul 2026	Natural Gas : 80.4% Distillate Fuel Oil : 19.6%
Spica Community Solar	Spica Community Solar	Lake Lillian, MN	3 GWh	Jul 2017	Dec 2025	Solar
Westport Community Solar, LLC	Geronimo Power	Lake Lillian, MN	2 GWh	Dec 2020	Dec 2025	Solar
Lake Mills	City of Lake Mills - (IA)	Lake Mills, IA	99 MWh	Dec 1955	Dec 2025	Distillate Fuel Oil
Lake Mills Gas Recovery	WM Renewable Energy LLC	Lake Mills, IA	32 GWh	Feb 2006	Dec 2025	Landfill Gas
Flying Cloud Power Partners LLC	Avangrid Power LLC	Lake Park, IA	98 GWh	Nov 2003	Dec 2025	Wind
Lake Park	City of Lake Park - (IA)	Lake Park, IA	16 MWh	Mar 2005	Dec 2025	Distillate Fuel Oil
Lost Lakes Wind Farm LLC	Lost Lakes Wind Farm LLC	Lake Park, IA	270 GWh	Nov 2009	Dec 2025	Wind
Lake Preston	Otter Tail Power Co	Lake Preston, SD	135 MWh	May 1978	Dec 2025	Distillate Fuel Oil
Chicot Solar	Chicot Solar, LLC	Lake Village, AR	210 GWh	Aug 2020	Jul 2026	Solar
Bavaria Solar LLC	Bavaria Solar LLC	Lake Wilson, MN	845 MWh	Jun 2025	Dec 2025	Solar
Northern Wind	Northern States Power Co - Minnesota	Lake Wilson, MN	341 GWh	Dec 2022	Jul 2026	Wind
Lake Wilson Solar	Lake Wilson Solar, LLC	Lake Wilson, MN	1 GWh	Nov 2024	Dec 2025	Solar
Lakefield Wind Project LLC	EDF Renewable Asset Holdings, Inc.	Lakefield, MN	396 GWh	Sep 2011	Jul 2026	Wind
Lakefield Utilities	City of Lakefield - (MN)	Lakefield, MN	11 MWh	Jan 1985	Dec 2025	Distillate Fuel Oil
Ledyard Windpower, LLC	Deriva Energy	Lakota, IA	649 GWh	Nov 2022	Jul 2026	Wind
Lamoni Municipal Utilities	City of Lamoni - (IA)	Lamoni, IA	45 MWh	Feb 1940	Dec 2025	Distillate Fuel Oil
Lanesboro	Lanesboro Public Utility Comm	Lanesboro, MN	140 MWh	Dec 1922	Dec 2025	Water : 88.6% Distillate Fuel Oil : 11.4%
Hazel	Altus Power America Management, LLC	Lanesboro, MN	6 GWh	Oct 2021	Dec 2025	Solar
Lanesville Solar RES	Hoosier Energy R E C, Inc	Lanesville, IN	374 MWh	Nov 2015	Oct 2025	Solar
Langdon Renewables, LLC	FPL Energy Langdon Wind LLC	Langdon, ND	489 GWh	Nov 2007	Dec 2025	Wind
Langdon Wind Energy Center	Otter Tail Power Co	Langdon, ND	173 GWh	Nov 2007	Dec 2025	Wind
Lansing BWL REO Town Plant	Lansing Board of Water and Light	Lansing, MI	477 GWh	Jun 2013	Dec 2025	Natural Gas
Delta Energy Park	Lansing Board of Water and Light	Lansing, MI	1 TWh	Feb 2022	Jul 2026	Natural Gas
Demille Solar Farm	DTE Electric Company	Lapeer, MI	37 GWh	Apr 2017	Jul 2026	Solar
Turrill Solar Farm	DTE Electric Company	Lapeer, MI	20 GWh	Apr 2017	Dec 2025	Solar
Whispering Willow North	Interstate Power and Light Co	Latimer, IA	715 GWh	Dec 2019	Jul 2026	Wind
Laurel Wind Farm	MidAmerican Energy Co	Laurel, IA	470 GWh	Nov 2011	Dec 2025	Wind
Toyota Boshoku	Onyx Asset Services Group	Lawrenceville, IL	5 GWh	Apr 2025	Dec 2025	Solar
Hometown Bio Energy LLC	Hometown Bio Energy LLC	Le Sueur, MN	2 GWh	Nov 2013	Dec 2025	Other Biomass Gas
St. Clair Solar 5	Pivot Energy	Lebanon, IL	2 GWh	Jun 2025	Dec 2025	Solar
Pullman Solar, LLC	AES Distributed Energy	Lee Township, MI	33 GWh	Nov 2022	Dec 2025	Solar
Brame Energy Center	Cleco Power LLC	Lena, LA	4 TWh	May 1975	Jul 2026	Subbituminous Coal : 49.2% Natural Gas : 35.7% Petroleum Coke : 10.7% Bituminous Coal : 4.4%
Venice Resources Gas Recovery	WM Renewable Energy LLC	Lennon, MI	13 GWh	Feb 1992	Dec 2025	Landfill Gas
Assembly Solar III	Assembly Solar III, LLC	Lennon, MI	167 GWh	Dec 2021	Jul 2026	Solar
Assembly Solar II LLC	Assembly Solar II LLC	Lennon, MI	223 GWh	Nov 2021	Jul 2026	Solar
Lennon Generating	North American Natural Res	Lennon, MI	26 GWh	Jan 2001	Dec 2025	Landfill Gas

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