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%

Map of Midcontinent Independent System Operator, Inc.

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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
Zumbro Community Solar Garden	Zumbro Solar LLC	Zumbrota, MN	2 GWh	Mar 2018	Dec 2023	Solar
Zumbro Solar Garden	Zumbro Garden LLC	Kasson, MN	2 GWh	Mar 2020	Dec 2023	Solar
Zeeland Farm Services	Zeeland Farm Services	Zeeland, MI	13 GWh	Feb 2006	Dec 2023	Other Biomass Gas
Wyandotte	Wyandotte Municipal Serv Comm	Wyandotte, MI	82 MWh	Dec 1947	Aug 2024	Distillate Fuel Oil
Island Street Peaking Plant	WPPI Energy	Kaukauna, WI	8 GWh	May 2004	Dec 2023	Natural Gas : 99.9%
Workman Road Solar Farm, LLC	Workman Road Solar Farm, LLC	Lake City, MI	4 GWh	Nov 2020	Dec 2023	Solar
Wolverine	Wolverine Wind Energy, LLC	Greenfield, IA	4 GWh	Sep 2010	Dec 2023	Wind
Wolverine Solar	Wolverine Solar, LLC	Maynard, MN	59 MWh	Oct 2023	Dec 2023	Solar
Claude Vandyke	Wolverine Power Supply Coop	Dorr, MI	4 GWh	Dec 1966	Dec 2023	Natural Gas
Sumpter	Wolverine Power Supply Coop	Belleville, MI	120 GWh	Jun 2002	Nov 2023	Natural Gas
Gaylord - Wolverine	Wolverine Power Supply Coop	Gaylord, MI	10 GWh	May 2001	Dec 2023	Natural Gas
George Johnson	Wolverine Power Supply Coop	Hersey, MI	19 GWh	Aug 1993	Dec 2023	Natural Gas
Tower	Wolverine Power Supply Coop	Tower, MI	195 MWh	Feb 1971	Dec 2023	Distillate Fuel Oil
Alpine Power Plant	Wolverine Power Supply Coop	Elmira, MI	816 GWh	May 2016	Dec 2023	Natural Gas
Vestaburg	Wolverine Power Supply Coop	Vestaburg, MI	1 GWh	Dec 1958	Dec 2023	Natural Gas : 99.6%
Wollan Garden Solar	Wollan Garden LLC	Starbuck, MN	2 GWh	Jun 2019	Dec 2023	Solar
Pheasant Run Landfill Gas Recovery	WM Renewable Energy LLC	Bristol, WI	41 GWh	Jan 1992	Dec 2023	Landfill Gas
Omega Hills Gas Recovery	WM Renewable Energy LLC	Germantown, WI	86 GWh	Nov 1985	Aug 2024	Landfill Gas
Waste Management Northern Oaks LFGTE	WM Renewable Energy LLC	Harrison, MI	8 GWh	Oct 2010	Dec 2023	Landfill Gas
Eagle Valley (MI)	WM Renewable Energy LLC	Orion, MI	22 GWh	Jun 2011	Dec 2023	Landfill Gas
Deertrack Park Gas Recovery	WM Renewable Energy LLC	Watertown, WI	35 GWh	Jan 2006	Dec 2023	Landfill Gas
Ridgeview	WM Renewable Energy LLC	Whitelaw, WI	37 GWh	Aug 2002	Dec 2023	Landfill Gas
Lake Mills Gas Recovery	WM Renewable Energy LLC	Lake Mills, IA	19 GWh	Feb 2006	Dec 2023	Landfill Gas
Metro Methane Recovery Facility	WM Renewable Energy LLC	Mitchellville, IA	79 GWh	Dec 1997	Aug 2024	Landfill Gas
Venice Resources Gas Recovery	WM Renewable Energy LLC	Lennon, MI	11 GWh	Feb 1992	Dec 2023	Landfill Gas
Metro Gas Recovery	WM Renewable Energy LLC	Franklin, WI	44 GWh	Nov 1985	Dec 2023	Landfill Gas
Five Oaks Gas Recovery	WM Renewable Energy LLC	Taylorville, IL	22 GWh	Jan 2008	Dec 2023	Landfill Gas
Waste Management Eco Vista LFGTE	WM Renewable Energy LLC	Springdale, AR	7 GWh	Oct 2010	Dec 2023	Natural Gas
Pine Tree Acres WM LFGTE	WM Renewable Energy LLC	Lenox, MI	90 GWh	Feb 2012	Aug 2024	Landfill Gas
Spruce Ridge Gas Recovery	WM Renewable Energy LLC	Glencoe, MN	20 GWh	Mar 2008	Dec 2023	Landfill Gas
Berlin Landfill Gas	WM Renewable Energy LLC	Berlin, WI	11 GWh	Jul 2001	Dec 2023	Landfill Gas
Two Pine Landfill Gas Recovery	WM Renewable Energy LLC	North Little Rock, AR	27 GWh	Sep 2006	Dec 2023	Landfill Gas
Timberline Trail Gas Recovery	WM Renewable Energy LLC	Weyerhaeser, WI	17 GWh	Jan 2006	Dec 2023	Landfill Gas
Milam Gas Recovery	WM Illinois Renewable Energy LLC	East St. Lois, IL	19 GWh	Mar 1991	Dec 2023	Natural Gas
Tazewell Gas Recovery	WM Illinois Renewable Energy LLC	East Peoria, IL	14 GWh	Jun 1989	Dec 2023	Landfill Gas
Petenwell	Wisconsin River Power Company	Necedah, WI	96 GWh	Jul 1949	Dec 2023	Water
Castle Rock	Wisconsin River Power Company	Adams, WI	76 GWh	Jul 1950	Dec 2023	Water
Tomahawk	Wisconsin Public Service Corp	Tomahawk, WI	7 GWh	Dec 1937	Dec 2023	Water
Crane Creek Wind Energy Center	Wisconsin Public Service Corp	Riceville, IA	282 GWh	Nov 2009	Dec 2023	Wind
Sandstone Rapids	Wisconsin Public Service Corp	Town of Stephenson, WI	8 GWh	Dec 1924	Dec 2023	Water
Forward Wind Energy Center	Wisconsin Public Service Corp	Brownsville, WI	141 GWh	Jun 2008	Aug 2024	Wind
De Pere Energy Center	Wisconsin Public Service Corp	De Pere, WI	144 GWh	May 1999	Dec 2023	Natural Gas : 91.4% Distillate Fuel Oil : 8.6%
Fox Energy Center	Wisconsin Public Service Corp	Wrightstown, WI	4 TWh	May 2005	Aug 2024	Natural Gas
Potato Rapids	Wisconsin Public Service Corp	Town of Porterfield, WI	4 GWh	Apr 1921	Dec 2023	Water
Hat Rapids	Wisconsin Public Service Corp	Rhinelander, WI	6 GWh	May 1923	Dec 2023	Water
Weston RICE	Wisconsin Public Service Corp	Kronenwetter, WI	49 GWh	Jun 2023	Dec 2023	Natural Gas
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
Merrill	Wisconsin Public Service Corp	Merrill, WI	8 GWh	Feb 1917	Dec 2023	Water
Grand Rapids	Wisconsin Public Service Corp	Ingalls, MI	33 GWh	May 1918	Dec 2023	Water
Johnson Falls	Wisconsin Public Service Corp	Town of Stephenson, WI	10 GWh	Jun 1923	Dec 2023	Water
High Falls (WI)	Wisconsin Public Service Corp	Town of Stephenson, WI	16 GWh	Jul 1910	Dec 2023	Water
Pulliam	Wisconsin Public Service Corp	Green Bay, WI	55 GWh	Aug 1949	Aug 2024	Natural Gas
Badger Hollow I	Wisconsin Public Service Corp	Montfort, WI	194 GWh	Oct 2021	Aug 2024	Solar
Red Barn Energy	Wisconsin Public Service Corp	Montfort, WI	257 GWh	Mar 2023	Aug 2024	Wind
Alexander	Wisconsin Public Service Corp	Merrill, WI	19 GWh	Dec 1924	Dec 2023	Water
Two Creeks Solar	Wisconsin Public Service Corp	Two Rivers, WI	191 GWh	Oct 2020	Aug 2024	Solar
Hodag Solar	Wisconsin Public Service Corp	Rhinelander, WI	13 GWh	Dec 2021	Dec 2023	Solar
West Marinette	Wisconsin Public Service Corp	Peshtigo, WI	94 GWh	May 1971	Dec 2023	Natural Gas
Weston	Wisconsin Public Service Corp	Rothschild, WI	4 TWh	Nov 1954	Aug 2024	Subbituminous Coal : 99.7%
Wausau	Wisconsin Public Service Corp	Wausau, WI	23 GWh	Feb 1921	Dec 2023	Water
Cassville Solar	Wisconsin Power & Light Co	Cassville, WI	71 GWh	Nov 2023	Aug 2024	Solar
Prairie Du Sac	Wisconsin Power & Light Co	Prairie du Sac, WI	131 GWh	Sep 1915	Dec 2023	Water
Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	4 TWh	May 2004	Aug 2024	Natural Gas
Beaver Dam Solar	Wisconsin Power & Light Co	Dodge, WI	74 GWh	Nov 2023	Aug 2024	Solar
Springfield Solar (WI)	Wisconsin Power & Light Co	Lomira, WI	139 GWh	Nov 2023	Aug 2024	Solar
South Fond Du Lac	Wisconsin Power & Light Co	Fond du Lac, WI	14 GWh	Apr 1993	Dec 2023	Natural Gas : 99.8%
Albany Solar (WI)	Wisconsin Power & Light Co	Broadhead, WI	60 GWh	Nov 2023	Aug 2024	Solar
Wood County	Wisconsin Power & Light Co	Nekoosa, WI	261 GWh	Nov 2022	Aug 2024	Solar
Kohler Solar	Wisconsin Power & Light Co	Kohler, WI	3 GWh	May 2022	Dec 2023	Solar
Crawfish River	Wisconsin Power & Light Co	Jefferson, WI	68 GWh	Nov 2023	Aug 2024	Solar
West Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	5 TWh	Apr 2020	Aug 2024	Natural Gas : 99.9%
Bent Tree Wind Farm Phase 1	Wisconsin Power & Light Co	Hartland, MN	342 GWh	Jan 2011	Dec 2023	Wind
Grant County	Wisconsin Power & Light Co	Town of Potosi, WI	102 GWh	-	Aug 2024	Solar
North Rock	Wisconsin Power & Light Co	Edgerton, WI	94 GWh	Sep 2022	Aug 2024	Solar
Alliant Energy Neenah	Wisconsin Power & Light Co	Neenah, WI	610 GWh	Apr 2000	Dec 2023	Natural Gas
Wautoma Solar	Wisconsin Power & Light Co	Wautoma, WI	134 GWh	Nov 2023	Aug 2024	Solar
Edgewater	Wisconsin Power & Light Co	Sheboygan, WI	2 TWh	Jun 1951	Aug 2024	Subbituminous Coal : 99.8%
Cedar Ridge	Wisconsin Power & Light Co	Eden, WI	161 GWh	Nov 2008	Dec 2023	Wind
Kilbourn	Wisconsin Power & Light Co	Wisconsin Dells, WI	54 GWh	Jun 1926	Dec 2023	Water
Sheboygan Falls	Wisconsin Power & Light Co	Sheboygan, WI	547 GWh	May 2005	Dec 2023	Natural Gas
Columbia (WI)	Wisconsin Power & Light Co	Pardeville, WI	4 TWh	Apr 1975	Aug 2024	Subbituminous Coal : 99.9%
Onion River	Wisconsin Power & Light Co	Sheboygan Cedar Grove, WI	147 GWh	Nov 2023	Aug 2024	Solar
Paddock Solar	Wisconsin Power & Light Co	Beloit, WI	88 GWh	Oct 2023	Aug 2024	Solar
Kossuth	Wisconsin Power & Light Co	Lu Verne, IA	531 GWh	Sep 2020	Aug 2024	Wind
Bear Creek	Wisconsin Power & Light Co	Lone Rock, WI	93 GWh	Aug 2022	Aug 2024	Solar
Blue Sky Green Field Wind Project	Wisconsin Electric Power Co	Fond du Lac, WI	319 GWh	Apr 2008	Aug 2024	Wind
Glacier Hills	Wisconsin Electric Power Co	Cambria, WI	361 GWh	Nov 2011	Aug 2024	Wind
Elm Road Generating Station	Wisconsin Electric Power Co	Oak Creek, WI	7 TWh	Jan 2010	Aug 2024	Subbituminous Coal : 72.0% Bituminous Coal : 17.0% Natural Gas : 11.0%
Concord	Wisconsin Electric Power Co	Watertown, WI	120 GWh	Jun 1993	Dec 2023	Natural Gas : 99.9%
Pine	Wisconsin Electric Power Co	Florence, WI	12 GWh	May 1922	Dec 2023	Water
Badger Hollow II	Wisconsin Electric Power Co	Cobb, WI	152 GWh	Nov 2023	Aug 2024	Solar
Peavy Falls	Wisconsin Electric Power Co	Crystal Falls, MI	51 GWh	Dec 1942	Dec 2023	Water
Way Dam	Wisconsin Electric Power Co	Crystal Falls, MI	6 GWh	Nov 1949	Dec 2023	Water
Big Quinnesec 61	Wisconsin Electric Power Co	Iron Mountain, MI	3 GWh	Apr 1914	Aug 2023	Water
White Rapids	Wisconsin Electric Power Co	Stephenson, MI	30 GWh	Sep 1927	Dec 2023	Water
Michigamme Falls	Wisconsin Electric Power Co	Crystal Falls, MI	33 GWh	May 1953	Dec 2023	Water
Germantown	Wisconsin Electric Power Co	Germantown, WI	13 GWh	Jun 1978	Dec 2023	Natural Gas : 85.3% Distillate Fuel Oil : 14.7%
Paris (WI)	Wisconsin Electric Power Co	Union Grove, WI	160 GWh	Feb 1995	Dec 2023	Natural Gas
Port Washington Generating Station	Wisconsin Electric Power Co	Port Washington, WI	8 TWh	Jun 2005	Aug 2024	Natural Gas

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