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	Jun 2026
Annual Generation	669.3 TWh
Power Plants	2,831
Utilities	1,296
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 \| 27% Wind \| 14.9% Nuclear \| 13.8% Solar \| 5.3% 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
Jamestown	Otter Tail Power Co	Jamestown, ND	194 MWh	Apr 1976	Dec 2024	Distillate Fuel Oil
James R Smith	City of Marquette - (MI)	Marquette, MI	13 GWh	Dec 1918	Dec 2024	Water
Jackson (MO)	City of Jackson - (MO)	Jackson, MO	146 MWh	Dec 1935	Dec 2024	Distillate Fuel Oil : 58.6% Natural Gas : 41.4%
Jackson Generating Station	Consumers Energy Co - (MI)	Jackson, MI	2 TWh	Jun 2002	Mar 2026	Natural Gas
Jackson Co. Solar RES	Hoosier Energy R E C, Inc	Columbus, IN	1 GWh	Aug 2017	Dec 2024	Solar
Jack River LLC	CHI Operations Inc	Hendricks, MN	4 GWh	Jan 2001	Dec 2024	Wind
Jack Fusco Energy Center	Brazos Valley Energy	Thompsons, TX	4 TWh	Apr 2003	Mar 2026	Natural Gas
Jack Francis Solar, LLC	Jack Francis Solar, LLC	Clio, MI	4 GWh	Nov 2020	Dec 2024	Solar
J H Campbell	Consumers Energy Co - (MI)	West Olive, MI	6 TWh	Sep 1962	Mar 2026	Subbituminous Coal : 99.7%
Ivester Wind Farm	MidAmerican Energy Co	Wellsburg, IA	317 GWh	Nov 2018	Mar 2026	Wind
Ivanhoe Generation Facility	Orion Engineered Carbons	Franklin, LA	53 GWh	Mar 2023	Dec 2024	Waste Heat
ISU Customer Hosted 1MW Solar Project	Interstate Power and Light Co	Ames, IA	2 GWh	Apr 2024	Dec 2024	Solar
Island Street Peaking Plant	WPPI Energy	Kaukauna, WI	11 GWh	May 2004	Dec 2024	Natural Gas
Isabella Wind Park	DTE Electric Company	Rosebush, MI	806 GWh	May 2021	Mar 2026	Wind
Iroquois Solar 1B LLC CSG	Iroquois Solar 1B LLC	Watseka, IL	4 GWh	Nov 2020	Dec 2024	Solar
Iris Solar, LLC (MN)	National Grid Renewables	Nicollet, MN	2 GWh	Sep 2020	Dec 2024	Solar
Iris Solar LLC	Iris Solar LLC	Franklinton, LA	118 GWh	Sep 2022	Mar 2026	Solar
Iowa State University	Iowa State University	Ames, IA	76 GWh	Sep 1960	Mar 2026	Natural Gas : 97.8% Distillate Fuel Oil : 2.2%
Iowa Lakes Community College Wind Farm	Iowa Lakes Community College	Estherville, IA	677 MWh	Jan 2005	Mar 2026	Wind
Iowa Hydro LLC	Renewable World Energies LLC	Maquoketa, IA	6 GWh	Dec 1923	Mar 2026	Water
Inver Hills	Northern States Power Co - Minnesota	Inver Grove Heights, MN	64 GWh	Mar 1972	Dec 2024	Natural Gas : 99.7%
Intrepid	MidAmerican Energy Co	Schaller, IA	549 GWh	Nov 2004	Dec 2024	Wind
Interstate	City of Springfield - (IL)	Springfield, IL	51 GWh	Aug 1997	Dec 2024	Natural Gas : 99.9%
International Paper Vicksburg Mill	International Paper Co-Vicksbg	Vicksburg, MS	221 GWh	Dec 1966	Mar 2026	Black Liquor : 54.0% Natural Gas : 29.0% Wood/Wood Waste Solids : 17.0%
International Falls Power	Boise White Paper LLC	International Falls, MN	58 GWh	Dec 1923	Mar 2026	Water
Interchange Solar, LLC	Interchange Solar, LLC	Mt. Morris, MI	4 GWh	Nov 2020	Dec 2024	Solar
Indy Solar III, LLC	Onward Energy	Indianapolis, IN	13 GWh	Nov 2013	Mar 2026	Solar
Indy Solar II, LLC	Onward Energy	Indianapolis, IN	15 GWh	Nov 2013	Mar 2026	Solar
Indy Solar I, LLC	Onward Energy	Indianapolis, IN	15 GWh	Nov 2013	Mar 2026	Solar
INDY III	Terraform Arcadia	Indianapolis, IN	3 GWh	Jul 2015	Dec 2024	Solar
Indy Grocers	Terraform Arcadia	Indianapolis, IN	1 GWh	May 2015	Dec 2024	Solar
Industrial Park	City of Rock Falls - (IL)	Rock Falls, IL	615 MWh	Jun 2001	Dec 2024	Distillate Fuel Oil
Indianola	Indianola Municipal Utilities	Indianola, IA	446 MWh	Dec 1965	Dec 2024	Distillate Fuel Oil
Indianapolis Motor Speedway Solar PV	Boralex US Operations LLC	Indianapolis, IN	13 GWh	May 2014	Dec 2024	Solar
Indiana Harbor West	Cleveland Cliffs	East Chicago, IN	245 GWh	Sep 1939	Dec 2024	Natural Gas
Indiana Harbor E 5 AC Station	Northlake Energy	East Chicago, IN	655 GWh	Apr 1996	Dec 2024	Blast Furnace Gas : 92.6% Natural Gas : 7.4%
Indiana Crossroads Wind Farm LLC	Indiana Crossroads Wind Farms LLC	Chalmers, IN	875 GWh	Nov 2021	Mar 2026	Wind
Indiana Crossroads Wind Farm II	Indiana Crossroads Wind Farm II LLC	Wolcott, IN	581 GWh	Nov 2024	Mar 2026	Wind
Indiana Crossroads Solar Park	Meadow Lake Solar Park	Reynolds, IN	380 GWh	May 2023	Mar 2026	Solar
Independence Wind Farm	Independence Wind Energy LLC	Manchester, IA	203 GWh	Nov 2021	Mar 2026	Wind
Independence Steam Electric Station	Entergy Arkansas LLC	Newark, AR	7 TWh	Dec 1982	Mar 2026	Subbituminous Coal : 99.8%
IND Solar Farm (Phase IIA)	Terraform Arcadia	Indianapolis, IN	10 GWh	Nov 2014	Dec 2024	Solar
IND Community Solar Farm 1st Phase	Terraform Arcadia	Indianapolis, IN	14 GWh	Oct 2013	Dec 2024	Solar
IMPA Washington Solar Park 2	Indiana Municipal Power Agency	Washington, IN	14 GWh	Jun 2023	Dec 2024	Solar
IMPA Washington Solar Park	Indiana Municipal Power Agency	Washington, IN	4 GWh	Aug 2016	Dec 2024	Solar
IMPA Tell City Solar Park	Indiana Municipal Power Agency	Tell City, IN	2 GWh	Jun 2015	Dec 2024	Solar
IMPA Rensselaer Solar Park	Indiana Municipal Power Agency	Rensselaer, IN	985 MWh	Apr 2014	Dec 2024	Solar
IMPA Peru Solar Park	Indiana Municipal Power Agency	Peru, IN	4 GWh	Jul 2015	Dec 2024	Solar
IMPA Pendleton Solar Park	Indiana Municipal Power Agency	Pendleton, IN	3 GWh	Sep 2015	Dec 2024	Solar
IMPA Middletown Solar Park	Indiana Municipal Power Agency	Middletown, IN	3 GWh	Jul 2023	Dec 2024	Solar
IMPA Knightstown Solar Park	Indiana Municipal Power Agency	Knightstown, IN	2 GWh	Sep 2023	Dec 2024	Solar
IMPA Huntingburg Solar Park	Indiana Municipal Power Agency	Huntingburg, IN	3 GWh	Aug 2016	Dec 2024	Solar
IMPA Crawfordsville Solar Park	Indiana Municipal Power Agency	Crawfordsville, IN	4 GWh	Aug 2015	Dec 2024	Solar
IMEA Flora	Illinois Municipal Elec Agency	Flora, IL	48 MWh	Nov 2000	Dec 2024	Distillate Fuel Oil
Illinois PV Fulton 1 CSG	Illinois PV Fulton 1, LLC	Farmington, IL	4 GWh	May 2020	Dec 2024	Solar
IL West Hallock Project1	IL West Hallock Project1, LLC	Edelstein, IL	5 GWh	Jul 2021	Dec 2024	Solar
IL Sidney Project1	IL Sidney Project1, LLC	Sidney, IL	5 GWh	Mar 2021	Dec 2024	Solar
IKEA St. Louis 410	IKEA Property Inc	St. Louis, MO	328 MWh	Aug 2015	Apr 2025	Solar
IKEA Oak Creek Rooftop PV System	IKEA Property Inc	Oak Creek, WI	1 GWh	May 2018	Dec 2024	Solar
IKEA Canton Rooftop PV System	IKEA Property Inc	Canton, MI	238 MWh	Oct 2015	Dec 2024	Solar
Ida Grove Wind	MidAmerican Energy Co	Ida Grove, IA	1 TWh	Aug 2016	Dec 2024	Wind
Ida Grove II	MidAmerican Energy Co	Ida Grove, IA	697 GWh	Nov 2019	Mar 2026	Wind
IBM West	Rochester Public Utilities	Rochester, MN	25 MWh	Sep 2005	Dec 2024	Distillate Fuel Oil
IA - City of Ames - Airport Road	Forefront Power, LLC	Ames, IA	3 GWh	Nov 2020	Dec 2024	Solar
Hydra Community Solar Garden, LLC (CSG)	National Grid Renewables	Dundas, MN	2 GWh	Apr 2020	Dec 2024	Solar
Hyacinth Solar, LLC	National Grid Renewables	Northfield, MN	2 GWh	Sep 2020	Dec 2024	Solar
Hy-Vee Customer Hosted 2.25MW Solar	Interstate Power and Light Co	Chariton, IA	2 GWh	Jun 2024	Dec 2024	Solar
Hwy 14 Holdco Solar CSG	Hwy 14 Holdco, LLC	Byron, MN	8 GWh	Jun 2017	Dec 2024	Solar
Hutchinson Plant #2	Hutchinson Utilities Comm	Hutchinson, MN	1 GWh	Oct 1994	Dec 2024	Natural Gas
Hutchinson Plant #1	Hutchinson Utilities Comm	Hutchinson, MN	36 GWh	Dec 1957	Dec 2024	Natural Gas
Hurricane Creek Lift Station	Johnson County Rural E M C	Greenwood, IN	143 MWh	Aug 2004	Dec 2024	Distillate Fuel Oil
Hurricane Creek CSG	SPG IL Hurricane Creek Solar LLC	Carterville, IL	4 GWh	May 2021	Dec 2024	Solar
Huneke II CSG	Terraform Arcadia	Zumbrota, MN	2 GWh	Aug 2018	Dec 2024	Solar
Huneke I CSG	Huneke I CSG LLC	Zumbrota, MN	2 GWh	Apr 2018	Dec 2024	Solar
Huneke CSG 2, LLC	Madison Energy Holdings LLC	Zumbrota, MN	2 GWh	Oct 2020	Dec 2024	Solar
Huneke CSG 1, LLC	Madison Energy Holdings LLC	Zumbrota, MN	2 GWh	Sep 2020	Dec 2024	Solar
Huck Finn Renewable Energy Center	Union Electric Co - (MO)	Vandalia, MO	410 GWh	Nov 2024	Mar 2026	Solar
HQC Rock River Solar Power Gen Station	HQC Rock River Solar Power Generation Station LLC	Beloit, WI	3 GWh	Jun 2016	Dec 2024	Solar
Houston/Winona Community Solar One LLC	Madison Energy Holdings LLC	La Crescent, MN	2 GWh	May 2020	Dec 2024	Solar
Hot Spring Generating Facility	Entergy Arkansas LLC	Malvern, AR	3 TWh	May 2002	Mar 2026	Natural Gas
Hormel CSG Solar	DG Central 1, LLC	Montevideo, MN	2 GWh	Nov 2022	Dec 2024	Solar
Hopkinton	City of Hopkinton - (IA)	Hopkinton, IA	11 MWh	Aug 1973	Dec 2024	Distillate Fuel Oil
Hope Creek LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2024	Wind
Hoot Lake Solar	Otter Tail Power Co	Fergus Falls, MN	73 GWh	Jul 2023	Mar 2026	Solar
Hoot Lake	Otter Tail Power Co	Fergus Falls, MN	3 GWh	Aug 1914	Dec 2024	Water
Hoopeston Wind LLC	Hoopeston Wind LLC	Rossville, IL	371 GWh	Feb 2015	Dec 2024	Wind
Honeysuckle Solar, LLC	National Grid Renewables	Lester Prairie, MN	2 GWh	Dec 2020	Dec 2024	Solar
Hometown Bio Energy LLC	Hometown Bio Energy LLC	Le Sueur, MN	3 GWh	Nov 2013	Dec 2024	Other Biomass Gas
Holliday Creek Solar	MidAmerican Energy Co	Fort Dodge, IA	206 GWh	Jun 2022	Mar 2026	Solar
Holland Energy Park	City of Holland	Holland, MI	893 GWh	May 2017	Dec 2024	Natural Gas
Holland Energy Facility	NAES Corporation - (WA)	Beecher City, IL	2 TWh	Aug 2002	Mar 2026	Natural Gas
Holcombe	Northern States Power Co - Minnesota	Holcombe, WI	93 GWh	Dec 1949	Dec 2024	Water
Hoist	Upper Peninsula Power Company	Negaunee, MI	13 GWh	Jan 1988	Dec 2024	Water
Hodenpyl	Consumers Energy Co - (MI)	Mesick, MI	40 GWh	Jun 1925	Dec 2024	Water
Hodag Solar	Wisconsin Public Service Corp	Rhinelander, WI	13 GWh	Dec 2021	Dec 2024	Solar
Hobart Solar, LLC	AES Distributed Energy	Hobart, IN	215 MWh	Oct 2012	Nov 2024	Solar
Hinterland CSG, LLC	Madison Energy Holdings LLC	Clearlake, MN	2 GWh	Oct 2020	Dec 2024	Solar
Hinds Energy Facility	Entergy Mississippi LLC	Jackson, MS	2 TWh	Apr 2001	Feb 2026	Natural Gas
Hilltop Power	Hilltop Power, LLC	Edgerton, MN	4 GWh	Nov 2008	Dec 2024	Wind
Hillsdale	Hillsdale Board of Public Wks	Hillsdale, MI	196 MWh	Feb 1947	Dec 2024	Natural Gas : 89.6% Distillate Fuel Oil : 10.4%

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	522.6 GWh	4
#27	Associated Electric Cooperative, Inc.	23.8 TWh	47
#13	Duke Energy Carolinas	112.2 TWh	565
#51	Duke Energy Progress West	4.6 TWh	10
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.1 TWh	25
#1	PJM Interconnection, LLC	873.9 TWh	2,465
#6	Southern Company Services, Inc. - Trans	252.5 TWh	417
#5	Southwest Power Pool	304.8 TWh	835
#53	Southwestern Power Administration	4.3 TWh	34
#9	Tennessee Valley Authority	163.7 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	873.9 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	669.3 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	489.5 TWh	1,313
#5	Southwest Power Pool	304.8 TWh	835
#6	Southern Company Services, Inc. - Trans	252.5 TWh	417
#7	California Independent System Operator	173.0 TWh	2,075
#9	Tennessee Valley Authority	163.7 TWh	204
#10	Florida Power & Light Co.	151.0 TWh	187
#12	New York Independent System Operator	134.9 TWh	1,211
#13	Duke Energy Carolinas	112.2 TWh	565