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	Jan 2026
Annual Generation	656.9 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 \| 35.4% Coal \| 28.9% Wind \| 15.1% Nuclear \| 14% Solar \| 4.6% Water \| 1.5% Other Fuel \| 0.6%

Map of Midcontinent Independent System Operator, Inc.

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Midcontinent Independent System Operator, Inc..

Create Your Account Today

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
Leo Community Solar	National Grid Renewables	Hadley, MN	2 GWh	Nov 2018	Dec 2024	Solar
Crux Community Solar	National Grid Renewables	Kasson, MN	2 GWh	Dec 2018	Dec 2024	Solar
Cassiopeia Community Solar	National Grid Renewables	Glenwood, MN	2 GWh	Feb 2019	Dec 2024	Solar
Aquarius Community Solar	National Grid Renewables	Tracy, MN	2 GWh	Apr 2019	Dec 2024	Solar
Prairie Wolf Solar LLC	National Grid Renewables	Ashmore Township, IL	376 GWh	Oct 2021	Oct 2025	Solar
Hydra Community Solar Garden, LLC (CSG)	National Grid Renewables	Dundas, MN	2 GWh	Apr 2020	Dec 2024	Solar
Libra Community Solar	National Grid Renewables	Glenwood, MN	2 GWh	Oct 2018	Dec 2024	Solar
Sagitta Community Solar	National Grid Renewables	Clara City, MN	2 GWh	Nov 2018	Dec 2024	Solar
Canopus Community Solar	National Grid Renewables	Belgrade, MN	2 GWh	Feb 2019	Dec 2024	Solar
Auriga Community Solar	National Grid Renewables	Slayton, MN	2 GWh	Nov 2018	Dec 2024	Solar
Acturus Community Solar	National Grid Renewables	Kasota, MN	2 GWh	Nov 2018	Dec 2024	Solar
Aquila Community Solar	National Grid Renewables	Glenwood, MN	2 GWh	Feb 2019	Dec 2024	Solar
Lindstrom Solar CSG	National Grid Renewables	Lindstrom, MN	5 GWh	Mar 2018	Dec 2024	Solar
WasecaSun	National Grid Renewables	Waseca, MN	9 GWh	Jan 2018	Dec 2024	Solar
Kramer Solar CSG	National Grid Renewables	Hector, MN	6 GWh	Nov 2017	Dec 2024	Solar
Temperance Solar, LLC	National Grid Renewables	Erie, MI	40 GWh	Nov 2020	Dec 2024	Solar
Bingham Solar, LLC	National Grid Renewables	St. Johns, MI	41 GWh	Nov 2020	Dec 2024	Solar
Iris Solar, LLC (MN)	National Grid Renewables	Nicollet, MN	2 GWh	Sep 2020	Dec 2024	Solar
Bellflower Solar, LLC	National Grid Renewables	Brooten, MN	2 GWh	Nov 2020	Dec 2024	Solar
Geranium Solar, LLC	National Grid Renewables	Raymond, MN	2 GWh	Sep 2020	Dec 2024	Solar
Kerria Solar, LLC	National Grid Renewables	Renville, MN	2 GWh	Sep 2020	Dec 2024	Solar
Primrose Solar, LLC	National Grid Renewables	Mankato, MN	2 GWh	Mar 2021	Dec 2024	Solar
Coral Bells Solar, LLC	National Grid Renewables	North Branch, MN	2 GWh	Nov 2020	Dec 2024	Solar
Hyacinth Solar, LLC	National Grid Renewables	Northfield, MN	2 GWh	Sep 2020	Dec 2024	Solar
Lantana Solar, LLC	National Grid Renewables	Glenwood, MN	2 GWh	Dec 2020	Dec 2024	Solar
DodgeSun CSG	National Grid Renewables	Kasson, MN	9 GWh	Nov 2017	Dec 2024	Solar
Johnson Solar CSG	National Grid Renewables	Edgerton, MN	9 GWh	Dec 2017	Dec 2024	Solar
Koppelman Sun CSG	National Grid Renewables	Eagle Lake, MN	8 GWh	Oct 2017	Dec 2024	Solar
Honeysuckle Solar, LLC	National Grid Renewables	Lester Prairie, MN	2 GWh	Dec 2020	Dec 2024	Solar
Marigold Community Solar Garden, LLC	National Grid Renewables	Waterville, MN	2 GWh	Dec 2020	Dec 2024	Solar
Marmas Solar CSG	National Grid Renewables	St. Cloud, MN	6 GWh	Mar 2018	Dec 2024	Solar
Camellia Solar, LLC	National Grid Renewables	Glenwood, MN	2 GWh	Nov 2020	Dec 2024	Solar
Fillmore County Solar Project	National Grid Renewables	Spring Valley, MN	79 GWh	Nov 2024	Oct 2025	Solar
Louise Solar	National Grid Renewables	Taopi, MN	89 GWh	Nov 2024	Oct 2025	Solar
Unbridled Solar	National Grid Renewables	Robards, KY	256 GWh	-	Oct 2025	Solar
National Energy of Lincoln	National Salvage & Service Corporation	Lincoln, MI	130 GWh	Dec 1988	Jun 2024	Wood/Wood Waste Solids : 81.0% Tire-derived Fuels : 18.9%
National Energy of McBain	National Salvage & Service Corporation	McBain, MI	122 GWh	Nov 1988	Dec 2024	Wood/Wood Waste Solids : 88.5% Tire-derived Fuels : 11.2%
Buffalo Lake CSG1, LLC	Nautilus Solar Solutions	Buffalo Lake, MN	2 GWh	Jul 2021	Dec 2024	Solar
Lowry CSG2, LLC	Nautilus Solar Solutions	Glenwood, MN	2 GWh	Nov 2020	Dec 2024	Solar
Paynesville CSG1, LLC	Nautilus Solar Solutions	Paynesville, MN	2 GWh	Dec 2020	Dec 2024	Solar
Sacred Heart CSG1, LLC	Nautilus Solar Solutions	Sacred Heart, MN	2 GWh	Jul 2021	Dec 2024	Solar
Nautilus Winsted Solar (CSG)	Nautilus Solar Solutions	Winsted, MN	5 GWh	Mar 2019	Oct 2025	Solar
Plato CSG1, LLC	Nautilus Solar Solutions	Glencoe, MN	2 GWh	Dec 2020	Dec 2024	Solar
Nautilus Saint Cloud Solar (CSG)	Nautilus Solar Solutions	Saint Cloud, MN	8 GWh	Mar 2019	Oct 2025	Solar
Stewart CSG1, LLC	Nautilus Solar Solutions	Stewart, MN	2 GWh	Jul 2021	Dec 2024	Solar
Nautilus Lindstrom Solar (CSG)	Nautilus Solar Solutions	Lindstrom, MN	3 GWh	Feb 2019	Oct 2025	Solar
Brooten CSG1, LLC	Nautilus Solar Solutions	Brooten, MN	2 GWh	Jul 2021	Dec 2024	Solar
SolarClub 30 (CSG)	Nautilus Solar Solutions	Eden Valley, MN	2 GWh	Dec 2023	Dec 2024	Solar
SolarClub 15 LLC	Nautilus Solar Solutions	Clear Lake, MN	2 GWh	Nov 2020	Dec 2024	Solar
SolarClub 20 LLC	Nautilus Solar Solutions	Wabasha, MN	2 GWh	Nov 2020	Dec 2024	Solar
SolarClub 03	Nautilus Solar Solutions	Starbuck, MN	2 GWh	Aug 2023	Dec 2024	Solar
SolarClub 23 LLC	Nautilus Solar Solutions	La Crescent, MN	2 GWh	Nov 2020	Dec 2024	Solar
SolarClub 28 LLC	Nautilus Solar Solutions	Gaylord, MN	2 GWh	Nov 2020	Dec 2024	Solar
SolarClub 10 LLC	Nautilus Solar Solutions	Monticello, MN	2 GWh	Nov 2020	Dec 2024	Solar
SolarClub 35 LLC	Nautilus Solar Solutions	Mankato, MN	2 GWh	Nov 2020	Dec 2024	Solar
Biron Mill	ND Paper, Inc.	Wisconsin Rapids, WI	96 GWh	Aug 1947	Dec 2024	Natural Gas : 79.6% Subbituminous Coal : 20.4%
New Germany Community Solar Garden	New Germany Solar I LLC	New Germany, MN	2 GWh	Mar 2018	Dec 2024	Solar
NLMU Wind	New London Municipal Utilities	New London, IA	4 GWh	Oct 2011	Dec 2024	Wind
New Munich Solar	New Munich Solar LLC	Melrose, MN	2 GWh	Aug 2019	Dec 2024	Solar
New Ulm	New Ulm Public Utilities Comm	New Ulm, MN	2 GWh	Dec 1956	Dec 2024	Natural Gas : 95.4% Distillate Fuel Oil : 4.6%
Newport Solar Project	Newport Solar, LLC	Newport, AR	352 GWh	Sep 2023	Oct 2025	Solar
Point Beach Nuclear Plant	NextEra Energy Point Beach LLC	Two Rivers, WI	10 TWh	May 1969	Oct 2025	Nuclear
Adrian Energy Associates LLC	NextEra Renewable Fuels, LLC	Adrian, MI	8 GWh	Nov 1994	Dec 2024	Landfill Gas
Pine Tree Acres	NextEra Renewable Fuels, LLC	Lenox Twp, MI	61 GWh	May 1998	Oct 2025	Landfill Gas
Sumpter Energy Associates	NextEra Renewable Fuels, LLC	Belleville, MI	63 GWh	Jun 1992	Dec 2024	Landfill Gas
Kokomo Solar 1, LLC	NJR Clean Energy Ventures Corporation	Kokomo, IN	6 GWh	Nov 2016	Dec 2024	Solar
Spartan PV 1, LLC	NJR Clean Energy Ventures Corporation	East Lansing, MI	12 GWh	Nov 2017	Dec 2024	Solar
Nobles 2 Wind Project	Nobles 2 Power Partners, LLC	Wilmont, MN	947 GWh	Nov 2020	Oct 2025	Wind
Central Generating	North American Central - LLC	Pierson, MI	15 GWh	Aug 2018	Dec 2024	Landfill Gas
Autumn Hills Generating Facility	North American Natural Res	Zeeland, MI	9 GWh	Jun 2009	May 2024	Landfill Gas
Lennon Generating	North American Natural Res	Lennon, MI	30 GWh	Jan 2001	Dec 2024	Landfill Gas
Peoples Generating Station	North American Natural Res	Ann Arbor, MI	17 GWh	Aug 1995	Dec 2023	Landfill Gas
North Branch (MN)	North Branch Water & Light Comm	North Branch, MN	300 MWh	Sep 2003	Dec 2024	Distillate Fuel Oil
North Star Solar Project	North Star Solar PV LLC	North Branch, MN	179 GWh	Nov 2016	Oct 2025	Solar
Sugar Creek Power	Northern Indiana Pub Serv Co	West Terre Haute, IN	5 TWh	May 2002	Oct 2025	Natural Gas
Michigan City	Northern Indiana Pub Serv Co	Michigan City, IN	1 TWh	Apr 1974	Oct 2025	Subbituminous Coal : 77.7% Bituminous Coal : 20.3% Natural Gas : 2.0%
Norway (IN)	Northern Indiana Pub Serv Co	Monticello, IN	16 GWh	May 1923	Dec 2024	Water
Oakdale	Northern Indiana Pub Serv Co	Monticello, IN	17 GWh	Oct 1925	Dec 2024	Water
R M Schahfer	Northern Indiana Pub Serv Co	Wheatfield, IN	2 TWh	Nov 1976	Oct 2025	Bituminous Coal : 93.7% Natural Gas : 6.3%
Northern Lights Wind LLC	Northern Lights Wind LLC (Longroad)	Pipestone, MN	2 GWh	Nov 2004	Dec 2024	Wind
Hennepin Island	Northern States Power Co - Minnesota	Minneapolis, MN	47 GWh	Sep 1954	Dec 2024	Water
Monticello Nuclear Facility	Northern States Power Co - Minnesota	Monticello, MN	5 TWh	May 1971	Oct 2025	Nuclear
Prairie Island	Northern States Power Co - Minnesota	Welch, MN	8 TWh	Jan 1974	Oct 2025	Nuclear
French Island	Northern States Power Co - Minnesota	La Cross, WI	60 GWh	Dec 1939	Oct 2025	Wood/Wood Waste Solids : 47.8% Non-biogenic Municipal Solid Waste : 28.2% Biogenic Municipal Solid Waste : 23.1%
Holcombe	Northern States Power Co - Minnesota	Holcombe, WI	93 GWh	Dec 1949	Dec 2024	Water
Lake Benton II	Northern States Power Co - Minnesota	Ruthton, MN	438 GWh	May 1999	Dec 2024	Wind
Allen S King	Northern States Power Co - Minnesota	Oak Park Heights, MN	723 GWh	Feb 1958	Oct 2025	Subbituminous Coal : 99.7%
Red Wing	Northern States Power Co - Minnesota	Red Wing, MN	127 GWh	Sep 1949	Oct 2025	Non-biogenic Municipal Solid Waste : 52.3% Biogenic Municipal Solid Waste : 42.8% Wood/Wood Waste Solids : 4.1% Natural Gas : 0.8%
Inver Hills	Northern States Power Co - Minnesota	Inver Grove Heights, MN	64 GWh	Mar 1972	Dec 2024	Natural Gas : 99.7%
Apple River	Northern States Power Co - Minnesota	Somerset, WI	13 GWh	Dec 1900	Dec 2024	Water
High Bridge	Northern States Power Co - Minnesota	St. Paul, MN	3 TWh	Apr 2008	Oct 2025	Natural Gas
Black Dog	Northern States Power Co - Minnesota	Burnsville, MN	2 TWh	Sep 1954	Dec 2024	Natural Gas
Jim Falls	Northern States Power Co - Minnesota	Jim Falls, WI	122 GWh	Jun 1988	Dec 2024	Water
Riverside (MN)	Northern States Power Co - Minnesota	Minneapolis, MN	818 GWh	Mar 1987	Oct 2025	Natural Gas
Menomonie	Northern States Power Co - Minnesota	Menomonie, WI	24 GWh	Dec 1957	Dec 2024	Water
St Croix Falls	Northern States Power Co - Minnesota	St Croix Falls, WI	105 GWh	Dec 1909	Dec 2024	Water
Wilmarth	Northern States Power Co - Minnesota	Mankato, MN	98 GWh	Aug 1948	Oct 2025	Non-biogenic Municipal Solid Waste : 54.3% Biogenic Municipal Solid Waste : 44.4% Natural Gas : 1.2%
Jeffers Wind 20 LLC	Northern States Power Co - Minnesota	Jeffers, MN	195 GWh	Sep 2008	Dec 2024	Wind
Sherburne County	Northern States Power Co - Minnesota	Becker, MN	7 TWh	Mar 1976	Oct 2025	Subbituminous Coal : 99.9%
Wissota	Northern States Power Co - Minnesota	Chippewa Falls, WI	136 GWh	Dec 1916	Dec 2024	Water

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#60	Alcoa Power Generating, Inc. - Yadkin Division	643.5 GWh	4
#27	Associated Electric Cooperative, Inc.	23.9 TWh	47
#13	Duke Energy Carolinas	111.6 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	34.2 TWh	25
#1	PJM Interconnection, LLC	872.9 TWh	2,465
#6	Southern Company Services, Inc. - Trans	249.9 TWh	417
#5	Southwest Power Pool	300.6 TWh	835
#51	Southwestern Power Administration	5.0 TWh	34
#9	Tennessee Valley Authority	161.0 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	872.9 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	656.9 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	484.7 TWh	1,313
#5	Southwest Power Pool	300.6 TWh	835
#6	Southern Company Services, Inc. - Trans	249.9 TWh	417
#7	California Independent System Operator	184.8 TWh	2,075
#9	Tennessee Valley Authority	161.0 TWh	204
#10	Florida Power & Light Co.	149.6 TWh	187
#12	New York Independent System Operator	132.6 TWh	1,211
#13	Duke Energy Carolinas	111.6 TWh	565