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	632.0 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 \| 39.9% Coal \| 26.1% Wind \| 15.6% Nuclear \| 14% Solar \| 2.2% 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
Germantown	Wisconsin Electric Power Co	Germantown, WI	13 GWh	Jun 1978	Dec 2023	Natural Gas : 85.3% Distillate Fuel Oil : 14.7%
Rothschild Biomass Cogen Facility	Wisconsin Electric Power Co	Rothschild, WI	143 GWh	Oct 2013	Dec 2023	Wood/Wood Waste Solids : 96.1% Natural Gas : 3.9%
Blue Sky Green Field Wind Project	Wisconsin Electric Power Co	Fond du Lac, WI	316 GWh	Apr 2008	Sep 2024	Wind
LSP-Whitewater LP	Wisconsin Electric Power Co	Whitewater, WI	820 GWh	Aug 1997	Sep 2024	Natural Gas
Port Washington Generating Station	Wisconsin Electric Power Co	Port Washington, WI	8 TWh	Jun 2005	Sep 2024	Natural Gas
Twin Falls (WI)	Wisconsin Electric Power Co	Florence, WI	38 GWh	Jun 2016	Dec 2023	Water
Brule	Wisconsin Electric Power Co	Florence, WI	16 GWh	Dec 1918	Dec 2023	Water
Michigamme Falls	Wisconsin Electric Power Co	Crystal Falls, MI	33 GWh	May 1953	Dec 2023	Water
Big Quinnesec 92	Wisconsin Electric Power Co	Iron Mountain, MI	100 GWh	Oct 1949	Dec 2023	Water
Elm Road Generating Station	Wisconsin Electric Power Co	Oak Creek, WI	7 TWh	Jan 2010	Sep 2024	Subbituminous Coal : 71.3% Bituminous Coal : 17.1% Natural Gas : 11.6%
Chalk Hill	Wisconsin Electric Power Co	Stephenson, MI	30 GWh	Apr 1927	Dec 2023	Water
Big Quinnesec 61	Wisconsin Electric Power Co	Iron Mountain, MI	3 GWh	Apr 1914	Aug 2023	Water
Jones Dairy	Wisconsin Electric Power Co	Fort Atkinson, WI	3 GWh	Jun 2021	Dec 2023	Solar
Lannon Stone	Wisconsin Electric Power Co	Pewaukee, WI	3 GWh	Nov 2021	Dec 2023	Solar
UW Parkside	Wisconsin Electric Power Co	Kenosha, WI	4 GWh	Oct 2020	Dec 2023	Solar
Washington County	Wisconsin Electric Power Co	West Bend, WI	4 GWh	Dec 2019	Dec 2023	Solar
Regal Ware	Wisconsin Electric Power Co	West Bend, WI	3 GWh	Mar 2021	Dec 2023	Solar
CREE	Wisconsin Electric Power Co	Racine, WI	2 GWh	Jul 2021	Dec 2023	Solar
ATI	Wisconsin Electric Power Co	Cudahy, WI	4 GWh	Oct 2020	Dec 2023	Solar
City of Milwaukee Landfill	Wisconsin Electric Power Co	Milwaukee, WI	4 GWh	Jan 2021	Dec 2023	Solar
Badger Hollow II	Wisconsin Electric Power Co	Cobb, WI	175 GWh	Nov 2023	Sep 2024	Solar
Harley-Davison Powertrain Operations	Wisconsin Electric Power Co	Menomonee Falls, WI	3 GWh	Sep 2020	Dec 2023	Solar
Albany Solar (WI)	Wisconsin Power & Light Co	Broadhead, WI	70 GWh	Nov 2023	Sep 2024	Solar
Grant County	Wisconsin Power & Light Co	Town of Potosi, WI	141 GWh	-	Sep 2024	Solar
Beaver Dam Solar	Wisconsin Power & Light Co	Dodge, WI	82 GWh	Nov 2023	Sep 2024	Solar
Wautoma Solar	Wisconsin Power & Light Co	Wautoma, WI	152 GWh	Nov 2023	Sep 2024	Solar
Springfield Solar (WI)	Wisconsin Power & Light Co	Lomira, WI	158 GWh	Nov 2023	Sep 2024	Solar
Paddock Solar	Wisconsin Power & Light Co	Beloit, WI	101 GWh	Oct 2023	Sep 2024	Solar
Bear Creek	Wisconsin Power & Light Co	Lone Rock, WI	95 GWh	Aug 2022	Sep 2024	Solar
Cassville Solar	Wisconsin Power & Light Co	Cassville, WI	81 GWh	Nov 2023	Sep 2024	Solar
Kohler Solar	Wisconsin Power & Light Co	Kohler, WI	3 GWh	May 2022	Dec 2023	Solar
West Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	5 TWh	Apr 2020	Sep 2024	Natural Gas : 99.9%
Kossuth	Wisconsin Power & Light Co	Lu Verne, IA	537 GWh	Sep 2020	Sep 2024	Wind
Crawfish River	Wisconsin Power & Light Co	Jefferson, WI	81 GWh	Nov 2023	Sep 2024	Solar
Wood County	Wisconsin Power & Light Co	Nekoosa, WI	272 GWh	Nov 2022	Sep 2024	Solar
North Rock	Wisconsin Power & Light Co	Edgerton, WI	96 GWh	Sep 2022	Sep 2024	Solar
Onion River	Wisconsin Power & Light Co	Sheboygan Cedar Grove, WI	169 GWh	Nov 2023	Sep 2024	Solar
Edgewater	Wisconsin Power & Light Co	Sheboygan, WI	2 TWh	Jun 1951	Sep 2024	Subbituminous Coal : 99.8%
Alliant Energy Neenah	Wisconsin Power & Light Co	Neenah, WI	610 GWh	Apr 2000	Dec 2023	Natural Gas
South Fond Du Lac	Wisconsin Power & Light Co	Fond du Lac, WI	14 GWh	Apr 1993	Dec 2023	Natural Gas : 99.8%
Cedar Ridge	Wisconsin Power & Light Co	Eden, WI	161 GWh	Nov 2008	Dec 2023	Wind
Columbia (WI)	Wisconsin Power & Light Co	Pardeville, WI	4 TWh	Apr 1975	Sep 2024	Subbituminous Coal : 99.9%
Prairie Du Sac	Wisconsin Power & Light Co	Prairie du Sac, WI	131 GWh	Sep 1915	Dec 2023	Water
Kilbourn	Wisconsin Power & Light Co	Wisconsin Dells, WI	54 GWh	Jun 1926	Dec 2023	Water
Bent Tree Wind Farm Phase 1	Wisconsin Power & Light Co	Hartland, MN	342 GWh	Jan 2011	Dec 2023	Wind
Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	3 TWh	May 2004	Sep 2024	Natural Gas
Sheboygan Falls	Wisconsin Power & Light Co	Sheboygan, WI	547 GWh	May 2005	Dec 2023	Natural Gas
Weston	Wisconsin Public Service Corp	Rothschild, WI	4 TWh	Nov 1954	Sep 2024	Subbituminous Coal : 99.7%
Wausau	Wisconsin Public Service Corp	Wausau, WI	23 GWh	Feb 1921	Dec 2023	Water
West Marinette	Wisconsin Public Service Corp	Peshtigo, WI	94 GWh	May 1971	Dec 2023	Natural Gas
Johnson Falls	Wisconsin Public Service Corp	Town of Stephenson, WI	10 GWh	Jun 1923	Dec 2023	Water
Tomahawk	Wisconsin Public Service Corp	Tomahawk, WI	7 GWh	Dec 1937	Dec 2023	Water
Pulliam	Wisconsin Public Service Corp	Green Bay, WI	62 GWh	Aug 1949	Sep 2024	Natural Gas
Merrill	Wisconsin Public Service Corp	Merrill, WI	8 GWh	Feb 1917	Dec 2023	Water
Sandstone Rapids	Wisconsin Public Service Corp	Town of Stephenson, WI	8 GWh	Dec 1924	Dec 2023	Water
Potato Rapids	Wisconsin Public Service Corp	Town of Porterfield, WI	4 GWh	Apr 1921	Dec 2023	Water
Forward Wind Energy Center	Wisconsin Public Service Corp	Brownsville, WI	139 GWh	Jun 2008	Sep 2024	Wind
Hat Rapids	Wisconsin Public Service Corp	Rhinelander, WI	6 GWh	May 1923	Dec 2023	Water
Grand Rapids	Wisconsin Public Service Corp	Ingalls, MI	33 GWh	May 1918	Dec 2023	Water
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	5 TWh	May 2005	Sep 2024	Natural Gas
Crane Creek Wind Energy Center	Wisconsin Public Service Corp	Riceville, IA	282 GWh	Nov 2009	Dec 2023	Wind
Alexander	Wisconsin Public Service Corp	Merrill, WI	19 GWh	Dec 1924	Dec 2023	Water
High Falls (WI)	Wisconsin Public Service Corp	Town of Stephenson, WI	16 GWh	Jul 1910	Dec 2023	Water
Grandfather Falls	Wisconsin Public Service Corp	Irma, WI	76 GWh	Nov 1938	Dec 2023	Water
Caldron Falls	Wisconsin Public Service Corp	Town of Stephenson, WI	12 GWh	Oct 1924	Dec 2023	Water
Red Barn Energy	Wisconsin Public Service Corp	Montfort, WI	261 GWh	Mar 2023	Sep 2024	Wind
Badger Hollow I	Wisconsin Public Service Corp	Montfort, WI	202 GWh	Oct 2021	Sep 2024	Solar
Two Creeks Solar	Wisconsin Public Service Corp	Two Rivers, WI	197 GWh	Oct 2020	Sep 2024	Solar
Hodag Solar	Wisconsin Public Service Corp	Rhinelander, WI	13 GWh	Dec 2021	Dec 2023	Solar
Weston RICE	Wisconsin Public Service Corp	Kronenwetter, WI	49 GWh	Jun 2023	Dec 2023	Natural 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
Tazewell Gas Recovery	WM Illinois Renewable Energy LLC	East Peoria, IL	14 GWh	Jun 1989	Dec 2023	Landfill Gas
Milam Gas Recovery	WM Illinois Renewable Energy LLC	East St. Lois, IL	19 GWh	Mar 1991	Dec 2023	Natural Gas
Five Oaks Gas Recovery	WM Renewable Energy LLC	Taylorville, IL	22 GWh	Jan 2008	Dec 2023	Landfill Gas
Metro Methane Recovery Facility	WM Renewable Energy LLC	Mitchellville, IA	79 GWh	Dec 1997	Sep 2024	Landfill Gas
Two Pine Landfill Gas Recovery	WM Renewable Energy LLC	North Little Rock, AR	27 GWh	Sep 2006	Dec 2023	Landfill Gas
Spruce Ridge Gas Recovery	WM Renewable Energy LLC	Glencoe, MN	20 GWh	Mar 2008	Dec 2023	Landfill Gas
Waste Management Northern Oaks LFGTE	WM Renewable Energy LLC	Harrison, MI	8 GWh	Oct 2010	Dec 2023	Landfill Gas
Deertrack Park Gas Recovery	WM Renewable Energy LLC	Watertown, WI	35 GWh	Jan 2006	Dec 2023	Landfill Gas
Waste Management Eco Vista LFGTE	WM Renewable Energy LLC	Springdale, AR	7 GWh	Oct 2010	Dec 2023	Natural Gas
Timberline Trail Gas Recovery	WM Renewable Energy LLC	Weyerhaeser, WI	17 GWh	Jan 2006	Dec 2023	Landfill Gas
Ridgeview	WM Renewable Energy LLC	Whitelaw, WI	37 GWh	Aug 2002	Dec 2023	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
Lake Mills Gas Recovery	WM Renewable Energy LLC	Lake Mills, IA	19 GWh	Feb 2006	Dec 2023	Landfill Gas
Pine Tree Acres WM LFGTE	WM Renewable Energy LLC	Lenox, MI	90 GWh	Feb 2012	Sep 2024	Landfill Gas
Berlin Landfill Gas	WM Renewable Energy LLC	Berlin, WI	11 GWh	Jul 2001	Dec 2023	Landfill Gas
Pheasant Run Landfill Gas Recovery	WM Renewable Energy LLC	Bristol, WI	41 GWh	Jan 1992	Dec 2023	Landfill Gas
Eagle Valley (MI)	WM Renewable Energy LLC	Orion, MI	22 GWh	Jun 2011	Dec 2023	Landfill Gas
Omega Hills Gas Recovery	WM Renewable Energy LLC	Germantown, WI	86 GWh	Nov 1985	Sep 2024	Landfill Gas
Wollan Garden Solar	Wollan Garden LLC	Starbuck, MN	2 GWh	Jun 2019	Dec 2023	Solar
Vestaburg	Wolverine Power Supply Coop	Vestaburg, MI	1 GWh	Dec 1958	Dec 2023	Natural Gas : 99.6%
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
Claude Vandyke	Wolverine Power Supply Coop	Dorr, MI	4 GWh	Dec 1966	Dec 2023	Natural Gas
Alpine Power Plant	Wolverine Power Supply Coop	Elmira, MI	816 GWh	May 2016	Dec 2023	Natural Gas
Tower	Wolverine Power Supply Coop	Tower, MI	195 MWh	Feb 1971	Dec 2023	Distillate Fuel Oil
George Johnson	Wolverine Power Supply Coop	Hersey, MI	19 GWh	Aug 1993	Dec 2023	Natural Gas

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	903.4 GWh	4
#26	Associated Electric Cooperative, Inc.	22.4 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	33.1 TWh	20
#1	PJM Interconnection, LLC	843.4 TWh	2,305
#21	Public Service Company of Colorado	45.2 TWh	201
#5	Southwest Power Pool	290.4 TWh	762
#52	Southwestern Power Administration	3.6 TWh	31
#9	Tennessee Valley Authority	157.6 TWh	170

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	843.4 TWh	2,305
#2	Midcontinent Independent System Operator, Inc.	632.0 TWh	2,653
#3	Electric Reliability Council of Texas, Inc.	462.2 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	248.1 TWh	393
#7	California Independent System Operator	192.0 TWh	1,943
#9	Tennessee Valley Authority	157.6 TWh	170
#10	Florida Power & Light Co.	147.6 TWh	159
#12	New York Independent System Operator	129.8 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556