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	Nov 2024
Annual Generation	631.0 TWh
Power Plants	2,653
Utilities	1,202
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 \| 39.8% Coal \| 26.3% Wind \| 15.6% Nuclear \| 14% Solar \| 2.1% Water \| 1.7% Other Fuel \| 0.4%

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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
Redwood Falls	Redwood Falls Public Util Comm	Redwood Falls, MN	880 MWh	Dec 1969	Dec 2023	Water : 48.9% Natural Gas : 34.6% Distillate Fuel Oil : 16.6%
Sleepy Eye	Sleepy Eye Public Utility Comm	Sleepy Eye, MN	66 MWh	Jun 1995	Dec 2023	Distillate Fuel Oil
Springfield (MN)	Springfield Public Utils Comm - (MN)	Springfield, MN	40 MWh	May 1994	Dec 2023	Distillate Fuel Oil
Spring Valley	Spring Valley Pub Utils Comm	Spring Valley, MN	149 MWh	Dec 1951	Dec 2023	Distillate Fuel Oil : 73.3% Natural Gas : 26.7%
Thief River Falls	City of Thief River Falls	Thief River Falls, MN	3 GWh	Jul 1927	Dec 2023	Water : 99.8%
Truman	City of Truman	Truman, MN	18 MWh	Aug 1938	Dec 2023	Distillate Fuel Oil
Wells IC	City of Wells - (MN)	Wells, MN	128 MWh	Oct 1950	Dec 2023	Natural Gas : 62.7% Distillate Fuel Oil : 37.3%
Westbrook	City of Westbrook	Westbrook, MN	6 MWh	Sep 2003	Dec 2023	Distillate Fuel Oil
Willmar	Willmar Municipal Utilities	Willmar, MN	3 GWh	Aug 1956	Dec 2023	Wind
Windom	City of Windom	Windom, MN	56 MWh	May 1980	Dec 2023	Distillate Fuel Oil
Worthington	City of Worthington - (MN)	Worthington, MN	10 GWh	Jan 2002	Dec 2023	Wind : 99.5%
Cambridge CT Hybrid	Great River Energy	Cambridge, MN	49 GWh	Apr 1978	Dec 2023	Natural Gas : 99.4% Distillate Fuel Oil : 0.6%
Benndale	Cooperative Energy	Benndale, MS	58 GWh	Sep 1969	Dec 2023	Natural Gas
Osage Dam	Union Electric Co - (MO)	Eldon, MO	176 GWh	Sep 1931	Dec 2023	Water
Columbia (MO)	City of Columbia - (MO)	Columbia, MO	17 GWh	Dec 1956	Dec 2023	Landfill Gas : 73.4% Natural Gas : 26.6%
Jackson (MO)	City of Jackson - (MO)	Jackson, MO	137 MWh	Dec 1935	Dec 2023	Distillate Fuel Oil : 59.8% Natural Gas : 40.2%
Kahoka	City of Kahoka	Kahoka, MO	17 MWh	Dec 1940	Dec 2023	Distillate Fuel Oil
Glendive GT	Montana-Dakota Utilities Co	Glendive, MT	2 GWh	May 1979	Dec 2023	Natural Gas : 96.1% Distillate Fuel Oil : 3.9%
Miles City GT	Montana-Dakota Utilities Co	Miles City, MT	202 MWh	Apr 1972	Dec 2023	Natural Gas
Jamestown	Otter Tail Power Co	Jamestown, ND	869 MWh	Apr 1976	Dec 2023	Distillate Fuel Oil
Lake Preston	Otter Tail Power Co	Lake Preston, SD	76 MWh	May 1978	Dec 2023	Distillate Fuel Oil
Biron	Consolidated Water Power Co	Biron, WI	24 GWh	Dec 1895	Dec 2023	Water
Du Bay	Consolidated Water Power Co	Eau Pleine, WI	33 GWh	Dec 1941	Dec 2023	Water
Stevens Point	Consolidated Water Power Co	Stevens Point, WI	24 GWh	Dec 1917	Dec 2023	Water
Wisconsin Rapids	Consolidated Water Power Co	Wisconsin Rapids, WI	41 GWh	Dec 1902	Dec 2023	Water
Whiting	Consolidated Water Power Co	Whiting, WI	21 GWh	Dec 1890	Dec 2023	Water
Bay Front	Northern States Power Co - Minnesota	Ashland, WI	155 GWh	Dec 1948	Dec 2023	Tire-derived Fuels : 51.6% Wood/Wood Waste Solids : 48.2%
Big Falls	Northern States Power Co - Minnesota	Glen Fora, WI	33 GWh	Dec 1921	Dec 2023	Water
Ladysmith Dam	Northern States Power Co - Minnesota	Ladysmith, WI	10 GWh	Dec 1939	Dec 2023	Water
Thornapple	Northern States Power Co - Minnesota	Bruce, WI	2 GWh	Dec 1926	Dec 2023	Water
White River (WI)	Northern States Power Co - Minnesota	Ashland, WI	5 GWh	Dec 1906	Dec 2023	Water
Fitchburg	Madison Gas & Electric Co	Madison, WI	17 MWh	Apr 1973	Dec 2023	Natural Gas
Blount Street	Madison Gas & Electric Co	Madison, WI	10 GWh	May 1957	Dec 2023	Natural Gas
Sycamore (WI)	Madison Gas & Electric Co	Madison, WI	229 MWh	Nov 1967	Dec 2023	Natural Gas
Arpin Dam	Renewable World Energies LLC	Radisson, WI	6 GWh	Aug 1971	Dec 2023	Water
Cedar Falls (WI)	Northern States Power Co - Minnesota	Menomonie, WI	33 GWh	Dec 1909	Dec 2023	Water
Chippewa Falls	Northern States Power Co - Minnesota	Chippewa Falls, WI	59 GWh	Dec 1927	Dec 2023	Water
Dells	Northern States Power Co - Minnesota	Eau Claire, WI	43 GWh	Dec 1922	Dec 2023	Water
Holcombe	Northern States Power Co - Minnesota	Holcombe, WI	94 GWh	Dec 1949	Dec 2023	Water
Jim Falls	Northern States Power Co - Minnesota	Jim Falls, WI	121 GWh	Jun 1988	Dec 2023	Water
Menomonie	Northern States Power Co - Minnesota	Menomonie, WI	24 GWh	Dec 1957	Dec 2023	Water
St Croix Falls	Northern States Power Co - Minnesota	St Croix Falls, WI	83 GWh	Dec 1909	Dec 2023	Water
Trego	Northern States Power Co - Minnesota	Hayward, WI	7 GWh	Dec 1926	Dec 2023	Water
Wheaton	Northern States Power Co - Minnesota	Eau Claire, WI	31 GWh	Dec 1972	Dec 2023	Distillate Fuel Oil : 58.1% Natural Gas : 41.9%
Wissota	Northern States Power Co - Minnesota	Chippewa Falls, WI	133 GWh	Dec 1916	Dec 2023	Water
Clam River Dam	Renewable World Energies LLC	Danbury, WI	5 GWh	Mar 1942	Dec 2023	Water
Danbury Dam	Renewable World Energies LLC	Danbury, WI	3 GWh	Dec 1920	Dec 2023	Water
Appleton	Wisconsin Electric Power Co	Appleton, WI	6 GWh	Jul 1916	Dec 2023	Water
Oconto Falls Upper	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	3 GWh	Dec 1917	Dec 2023	Water
Pine	Wisconsin Electric Power Co	Florence, WI	12 GWh	May 1922	Dec 2023	Water
Kilbourn	Wisconsin Power & Light Co	Wisconsin Dells, WI	54 GWh	Jun 1926	Dec 2023	Water
Prairie Du Sac	Wisconsin Power & Light Co	Prairie du Sac, WI	131 GWh	Sep 1915	Dec 2023	Water
Alexander	Wisconsin Public Service Corp	Merrill, WI	19 GWh	Dec 1924	Dec 2023	Water
Caldron Falls	Wisconsin Public Service Corp	Town of Stephenson, WI	12 GWh	Oct 1924	Dec 2023	Water
Grandfather Falls	Wisconsin Public Service Corp	Irma, WI	76 GWh	Nov 1938	Dec 2023	Water
Hat Rapids	Wisconsin Public Service Corp	Rhinelander, WI	6 GWh	May 1923	Dec 2023	Water
High Falls (WI)	Wisconsin Public Service Corp	Town of Stephenson, WI	16 GWh	Jul 1910	Dec 2023	Water
Johnson Falls	Wisconsin Public Service Corp	Town of Stephenson, WI	10 GWh	Jun 1923	Dec 2023	Water
Merrill	Wisconsin Public Service Corp	Merrill, WI	8 GWh	Feb 1917	Dec 2023	Water
Potato Rapids	Wisconsin Public Service Corp	Town of Porterfield, WI	4 GWh	Apr 1921	Dec 2023	Water
Sandstone Rapids	Wisconsin Public Service Corp	Town of Stephenson, WI	8 GWh	Dec 1924	Dec 2023	Water
Tomahawk	Wisconsin Public Service Corp	Tomahawk, WI	7 GWh	Dec 1937	Dec 2023	Water
West Marinette	Wisconsin Public Service Corp	Peshtigo, WI	94 GWh	May 1971	Dec 2023	Natural Gas
Wausau	Wisconsin Public Service Corp	Wausau, WI	23 GWh	Feb 1921	Dec 2023	Water
Castle Rock	Wisconsin River Power Company	Adams, WI	76 GWh	Jul 1950	Dec 2023	Water
Petenwell	Wisconsin River Power Company	Necedah, WI	96 GWh	Jul 1949	Dec 2023	Water
Arcadia Electric	City of Arcadia - (WI)	Arcadia, WI	164 MWh	Dec 1929	Dec 2023	Distillate Fuel Oil : 65.3% Natural Gas : 34.7%
Barron	City of Barron - (WI)	Barron, WI	349 MWh	Jul 1923	Dec 2023	Water
Cashton	Village of Cashton - (WI)	Cashton, WI	15 MWh	Jul 1932	Dec 2023	Distillate Fuel Oil
Cumberland (WI)	City of Cumberland - (WI)	Cumberland, WI	143 MWh	Jul 1939	Dec 2023	Distillate Fuel Oil : 63.4% Natural Gas : 36.6%
Elroy	City of Elroy - (WI)	Elroy, WI	1 MWh	Apr 1973	Dec 2023	Distillate Fuel Oil
Fennimore	City of Fennimore - (WI)	Fennimore, WI	28 MWh	Jan 1952	Dec 2023	Distillate Fuel Oil
Kaukauna Gas Turbine	City of Kaukauna	Kaukauna, WI	741 MWh	Apr 1969	Dec 2023	Natural Gas
Little Chute	City of Kaukauna	Combined Locks, WI	20 GWh	May 1948	Dec 2023	Water
Rapide Croche	City of Kaukauna	Kaukana, WI	15 GWh	Dec 1925	Dec 2023	Water
La Farge	La Farge Municipal Electric Co	La Farge, WI	14 MWh	Sep 1990	Dec 2023	Distillate Fuel Oil
New Lisbon	City of New Lisbon	New Lisbon, WI	50 MWh	Dec 1965	Dec 2023	Distillate Fuel Oil
Viola	Village of Viola - (WI)	Viola, WI	4 MWh	Dec 2001	Dec 2023	Distillate Fuel Oil
Flambeau Hydroelectric Station	Dairyland Power Coop	Ladysmith, WI	61 GWh	Dec 1950	Dec 2023	Water
Stiles	Oconto Electric Cooperative	Oconto Falls, WI	5 GWh	Feb 1949	Dec 2023	Water
Washington Island	Washington Island El Coop, Inc	Washington Island, WI	9 MWh	Nov 1945	Dec 2023	Distillate Fuel Oil
Combined Locks	City of Kaukauna	Combined Locks, WI	39 GWh	Jan 1988	Dec 2023	Water
Cascade Creek	Rochester Public Utilities	Rochester, MN	39 GWh	May 1975	Dec 2023	Natural Gas : 98.5% Distillate Fuel Oil : 1.5%
Electrifarm	MidAmerican Energy Co	Waterloo, IA	12 GWh	Apr 1975	Dec 2023	Natural Gas : 97.2% Distillate Fuel Oil : 2.8%
Cornell	Northern States Power Co - Minnesota	Chippewa Falls, WI	73 GWh	Jun 1976	Dec 2023	Water
Durant	City of Durant - (IA)	Durant, IA	48 MWh	Jun 1970	Dec 2023	Distillate Fuel Oil
Apple River	Northern States Power Co - Minnesota	Somerset, WI	11 GWh	Dec 1900	Dec 2023	Water
Pearl Station	Prairie Power, Inc	Pearl, IL	64 MWh	May 1973	Dec 2023	Distillate Fuel Oil
Germantown	Wisconsin Electric Power Co	Germantown, WI	13 GWh	Jun 1978	Dec 2023	Natural Gas : 85.3% Distillate Fuel Oil : 14.7%
Hutchinson Plant #2	Hutchinson Utilities Comm	Hutchinson, MN	25 GWh	Oct 1994	Dec 2023	Natural Gas
Detour	Cloverland Electric Co-op	Detour, MI	592 MWh	Sep 1973	Dec 2023	Distillate Fuel Oil
Sam Rayburn Dam	USACE-Fort Worth District	Jasper, TX	107 GWh	Aug 1965	Dec 2023	Water
Waverly Municipal Electric North Plant	Waverly Municipal Elec Utility	Waverly, IA	224 MWh	Jul 1958	Dec 2023	Distillate Fuel Oil : 52.5% Natural Gas : 47.5%
D G Hunter	City of Alexandria - (LA)	Alexandria, LA	118 GWh	Apr 1965	Dec 2023	Natural Gas
Mexico	Union Electric Co - (MO)	Mexico, MO	13 MWh	Aug 1978	Dec 2023	Distillate Fuel Oil
Moberly	Union Electric Co - (MO)	Moberly, MO	30 MWh	Jul 1978	Dec 2023	Distillate Fuel Oil
Rock Lake CT	Great River Energy	Pine City, MN	235 MWh	Mar 1978	Dec 2023	Distillate Fuel Oil
St Bonifacius	Great River Energy	St. Bonifacius, MN	1 GWh	May 1978	Dec 2023	Distillate Fuel Oil
Sibley No Two	City of Sibley - (IA)	Sibley, IA	18 MWh	Nov 1987	Dec 2023	Distillate Fuel Oil : 69.9% Natural Gas : 30.1%
Hoist	Upper Peninsula Power Company	Negaunee, MI	16 GWh	Jan 1988	Dec 2023	Water

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	894.0 GWh	4
#26	Associated Electric Cooperative, Inc.	22.7 TWh	47
#13	Duke Energy Carolinas	110.9 TWh	556
#51	Duke Energy Progress West	4.1 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.2 TWh	20
#1	PJM Interconnection, LLC	843.8 TWh	2,305
#21	Public Service Company of Colorado	45.1 TWh	201
#5	Southwest Power Pool	290.4 TWh	762
#53	Southwestern Power Administration	3.5 TWh	31
#9	Tennessee Valley Authority	157.5 TWh	170

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	843.8 TWh	2,305
#2	Midcontinent Independent System Operator, Inc.	631.0 TWh	2,653
#3	Electric Reliability Council of Texas, Inc.	461.0 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	247.9 TWh	393
#7	California Independent System Operator	191.5 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.7 TWh	159
#12	New York Independent System Operator	130.0 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556