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
Hoist	Upper Peninsula Power Company	Negaunee, MI	16 GWh	Jan 1988	Dec 2023	Water
POET Biorefining-Hanlontown, LLC	POET Biorefining-Hanlontown, LLC	Hanlontown, IA	16 GWh	Dec 2018	Dec 2023	Natural Gas
Brule	Wisconsin Electric Power Co	Florence, WI	16 GWh	Dec 1918	Dec 2023	Water
High Falls (WI)	Wisconsin Public Service Corp	Town of Stephenson, WI	16 GWh	Jul 1910	Dec 2023	Water
POET Biorefining Caro, LLC	POET Biorefining Caro, LLC	Caro, MI	16 GWh	May 2018	Dec 2023	Natural Gas
Red Lake Falls Community Hybrid	Consolidated Edison Development Inc.	Red Lake Falls, MN	16 GWh	Nov 2020	Dec 2023	Wind : 95.2% Solar : 4.8%
James R Smith	City of Marquette - (MI)	Marquette, MI	16 GWh	Dec 1918	Dec 2023	Water
Camp Ripley Solar	Camp Riley Solar Facility	Little Falls, MN	16 GWh	Oct 2016	Dec 2023	Solar
Hermsdorf Solar	Madison Gas & Electric Co	Madison, WI	15 GWh	Feb 2022	Dec 2023	Solar
Security	TX LFG Energy, LP	Cleveland, TX	15 GWh	Feb 2003	Dec 2023	Landfill Gas
Indy Solar I, LLC	Onward Energy	Indianapolis, IN	15 GWh	Nov 2013	Sep 2024	Solar
Rapide Croche	City of Kaukauna	Kaukana, WI	15 GWh	Dec 1925	Dec 2023	Water
Wind Turbine	Madison Gas & Electric Co	Casco, WI	15 GWh	May 1999	Dec 2023	Wind
POET Biorefining LLC - Corning	POET Biorefining LLC - Corning	Corning, IA	15 GWh	Sep 2018	Dec 2023	Natural Gas
Shaokatan Hills LLC	Shaokatan Hills, LLC (Longroad)	Hendricks, MN	15 GWh	Jul 1999	Dec 2023	Wind
IND Community Solar Farm 1st Phase	Terraform Arcadia	Indianapolis, IN	15 GWh	Oct 2013	Dec 2022	Solar
NCAH Central Utility Plant	National Centers for Animal Health	Ames, IA	15 GWh	May 1996	Sep 2024	Natural Gas : 99.5%
Dane County Solar LLC	Dane County Solar LLC	Cottage Grove, WI	15 GWh	May 2023	Dec 2023	Solar
Indy Solar II, LLC	Onward Energy	Indianapolis, IN	15 GWh	Nov 2013	Sep 2024	Solar
South Fond Du Lac	Wisconsin Power & Light Co	Fond du Lac, WI	14 GWh	Apr 1993	Dec 2023	Natural Gas : 99.8%
Norway (IN)	Northern Indiana Pub Serv Co	Monticello, IN	14 GWh	May 1923	Dec 2023	Water
Tazewell Gas Recovery	WM Illinois Renewable Energy LLC	East Peoria, IL	14 GWh	Jun 1989	Dec 2023	Landfill Gas
Norway Point Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	14 GWh	Aug 1990	Dec 2023	Water
Lake Pulaski Solar	Enel Green Power NA, Inc.	Buffalo, MN	14 GWh	Nov 2016	Dec 2023	Solar
Venice	Union Electric Co - (MO)	Venice, IL	14 GWh	May 2002	Dec 2023	Natural Gas
Franklin County Solar	MidAmerican Energy Co	Hampton, IA	14 GWh	Dec 2021	Dec 2023	Solar
Stevens Point Mill	Pixelle Specialty Solution, LLC	Stevens Point, WI	14 GWh	Jan 2002	Dec 2023	Natural Gas
Indy Solar III, LLC	Onward Energy	Indianapolis, IN	14 GWh	Nov 2013	Sep 2024	Solar
Delta Solar Power I	Delta Solar Power I, LLC	Grand Ledge, MI	13 GWh	May 2018	Dec 2023	Solar
Lakota Ridge LLC	Lakota Ridge, LLC (Longroad)	Hendricks, MN	13 GWh	Mar 1999	Dec 2023	Wind
Germantown	Wisconsin Electric Power Co	Germantown, WI	13 GWh	Jun 1978	Dec 2023	Natural Gas : 85.3% Distillate Fuel Oil : 14.7%
Zeeland Farm Services	Zeeland Farm Services	Zeeland, MI	13 GWh	Feb 2006	Dec 2023	Other Biomass Gas
Hodag Solar	Wisconsin Public Service Corp	Rhinelander, WI	13 GWh	Dec 2021	Dec 2023	Solar
Menominee Mill Marinette	Eagle Creek Renewable Energy, LLC	Menominee, MI	13 GWh	Dec 1923	Sep 2024	Water
Connexus Solar Stanford 1STF	REA Investments, LLC	St. Francis, MN	13 GWh	Apr 2021	Dec 2022	Solar
Fairmont (MN)	Southern Minnesota Mun P Agny	Fairmont, MN	13 GWh	Dec 1974	Dec 2023	Natural Gas : 99.6%
Green Cow Power	Green Cow Power LLC	Goshen, IN	13 GWh	Mar 2015	Dec 2023	Other Biomass Gas
Lewis & Clark	Montana-Dakota Utilities Co	Richland, MT	13 GWh	Sep 1958	Sep 2024	Natural Gas
Dodge Center Solar	Enel Green Power NA, Inc.	Dodge Center, MN	13 GWh	Nov 2016	Dec 2023	Solar
Bremen	Indiana Municipal Power Agency	Bremen, IN	13 GWh	Oct 2022	Dec 2023	Solar
Annandale Solar	Enel Green Power NA, Inc.	Annandale, MN	13 GWh	Nov 2016	Dec 2023	Solar
Spartan PV 1, LLC	NJR Clean Energy Ventures Corporation	East Lansing, MI	13 GWh	Nov 2017	Dec 2023	Solar
Caldron Falls	Wisconsin Public Service Corp	Town of Stephenson, WI	12 GWh	Oct 1924	Dec 2023	Water
Sylvan Solar	ALLETE, Inc.	Pillager, MN	12 GWh	Jun 2023	Dec 2023	Solar
Scottsburg Solar Park	Indiana Municipal Power Agency	Scottsburg, IN	12 GWh	Sep 2020	Dec 2023	Solar
Uilk Wind LLC	RENEW Energy Inc	Pipestone, MN	12 GWh	Dec 2009	Dec 2023	Wind
Kimberly Mill	City of Kaukauna	Appleton, WI	12 GWh	Dec 1925	Dec 2023	Water
Indianapolis Motor Speedway Solar PV	Blue Renewable Energy IMS, LLC	Indianapolis, IN	12 GWh	May 2014	Dec 2023	Solar
Pine	Wisconsin Electric Power Co	Florence, WI	12 GWh	May 1922	Dec 2023	Water
Allegan Dam	Consumers Energy Co - (MI)	Allegan, MI	12 GWh	Dec 1934	Dec 2023	Water
Fairmont Wind	Southern Minnesota Mun P Agny	Fairmont, MN	12 GWh	Feb 2003	Dec 2023	Wind
CC Perry K	Citizens Thermal Energy	Indianapolis, IN	12 GWh	Dec 1924	Jun 2024	Natural Gas
Autumn Hills Generating Facility	North American Natural Res	Zeeland, MI	12 GWh	Jun 2009	Dec 2023	Landfill Gas
Electrifarm	MidAmerican Energy Co	Waterloo, IA	12 GWh	Apr 1975	Dec 2023	Natural Gas : 97.2% Distillate Fuel Oil : 2.8%
Chisago Solar	Enel Green Power NA, Inc.	North Branch, MN	12 GWh	Nov 2016	Dec 2023	Solar
Dayton Hydro	Eagle Creek Renewable Energy, LLC	Ottawa, IL	11 GWh	Dec 1924	Dec 2023	Water
Winnebago County Landfill Gas	Winnebago County	Oshkosh, WI	11 GWh	Jan 2000	Dec 2023	Landfill Gas
Crawfordsville 2 Solar Park	Indiana Municipal Power Agency	Crawfordsville, IN	11 GWh	Nov 2019	Dec 2022	Solar
Neptune Gas Processing Plant	Enterprise Products Optg LP	Centerville, LA	11 GWh	Jan 2004	Dec 2023	Other Fuel
Venice Resources Gas Recovery	WM Renewable Energy LLC	Lennon, MI	11 GWh	Feb 1992	Dec 2023	Landfill Gas
Leonardo Wind 1 LLC	Leonardo Wind 1 LLC	Alden, IA	11 GWh	Nov 2016	Dec 2023	Wind
Apple River	Northern States Power Co - Minnesota	Somerset, WI	11 GWh	Dec 1900	Dec 2023	Water
Montgomery County Community Solar Center	Union Electric Co - (MO)	New Florence, MO	11 GWh	Feb 2022	Dec 2023	Solar
Webber	Consumers Energy Co - (MI)	Lyons, MI	11 GWh	Dec 1906	Dec 2023	Water
Hancock	DTE Electric Company	Commerce Twp, MI	11 GWh	Mar 1966	Aug 2023	Natural Gas
Berlin Landfill Gas	WM Renewable Energy LLC	Berlin, WI	11 GWh	Jul 2001	Dec 2023	Landfill Gas
Fremont Community Digester, LLC	Generate Fremont Digester, LLC.	Newaygo, MI	11 GWh	Nov 2012	Dec 2023	Other Biomass Gas
Brainerd Public Utilities	Brainerd Public Utilities	Brainerd, MN	11 GWh	Dec 1916	Dec 2023	Water
IND Solar Farm (Phase IIA)	Terraform Arcadia	Indianapolis, IN	11 GWh	Nov 2014	Dec 2023	Solar
Sycamore (IA)	MidAmerican Energy Co	Johnston, IA	11 GWh	Jul 1974	Dec 2023	Natural Gas : 99.7%
Eastwood Solar	Enel Green Power NA, Inc.	Mankato, MN	11 GWh	Nov 2016	Dec 2023	Solar
Clinton LFGTE	Wabash Valley Power Assn, Inc	Clinton, IL	11 GWh	Jan 2006	Sep 2024	Landfill Gas
Linton	Indiana Municipal Power Agency	Linton, IN	11 GWh	Jun 2022	Dec 2023	Solar
Lincoln Heights II	ALLETE Clean Energy	Lake Benton, MN	11 GWh	Apr 2006	Dec 2023	Wind
Brainerd Airport	AEP Onsite Partners, LLC	Brainerd, MN	10 GWh	Nov 2022	Dec 2023	Solar
Rochester Hydro	Rochester Public Utilities	Mazeppa, MN	10 GWh	Aug 1984	Dec 2023	Water
Ladysmith Dam	Northern States Power Co - Minnesota	Ladysmith, WI	10 GWh	Dec 1939	Dec 2023	Water
Johnson Falls	Wisconsin Public Service Corp	Town of Stephenson, WI	10 GWh	Jun 1923	Dec 2023	Water
Optimum Wind 7 LLC	Optimum Wind 7 LLC	Nevada, IA	10 GWh	Feb 2017	Dec 2023	Wind
Tatanka Wi	HQC Tatanka Wi Solar Power Generation LLC	Buffalo, MN	10 GWh	Nov 2017	Dec 2023	Solar
Livingston Generating Station	CMS Generation MI Power LLC	Gaylord, MI	10 GWh	May 1999	Dec 2023	Natural Gas
Gaylord - Wolverine	Wolverine Power Supply Coop	Gaylord, MI	10 GWh	May 2001	Dec 2023	Natural Gas
Cashton Greens Wind Farm	Cashton Greens Wind Farm LLC	Cashton, WI	10 GWh	Apr 2012	Dec 2023	Wind
Prescott Wind Farm	Prescott Wind Energy LLC	Prescott, IA	10 GWh	-	Sep 2024	Wind
Mio	Consumers Energy Co - (MI)	Mio, MI	10 GWh	Dec 1915	Dec 2023	Water
Athens MN CONX	SoCore Energy LLC	Athens, MN	10 GWh	Nov 2018	Dec 2023	Solar
West Faribault Solar	Enel Green Power NA, Inc.	Faribault, MN	10 GWh	Nov 2016	Dec 2023	Solar
Park Mill	Eagle Creek Renewable Energy, LLC	Marinette, WI	10 GWh	Dec 1919	Dec 2023	Water
Worthington	City of Worthington - (MN)	Worthington, MN	10 GWh	Jan 2002	Dec 2023	Wind : 99.5%
Montevideo Solar LLC, CSG	Montevideo Solar LLC	Montevideo, MN	10 GWh	Dec 2018	Dec 2023	Solar
Hemlock Falls	Wisconsin Electric Power Co	Crystal Falls, MI	10 GWh	Jul 1953	Dec 2023	Water
WasecaSun	National Grid Renewables	Waseca, MN	10 GWh	Jan 2018	Dec 2023	Solar
Maywood Photovoltaic Project	Hanwha Q CELLS USA	Indianapolis, IN	10 GWh	Feb 2014	Dec 2023	Solar
Four Mile Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	10 GWh	Aug 1990	Dec 2023	Water
Blount Street	Madison Gas & Electric Co	Madison, WI	10 GWh	May 1957	Dec 2023	Natural Gas
GL Wind	GL Wind LLC	Lewiston, MN	9 GWh	Nov 2011	Dec 2023	Wind
DodgeSun CSG	National Grid Renewables	Kasson, MN	9 GWh	Nov 2017	Dec 2023	Solar
Northfield Solar CSG	Altus Power America Management, LLC	Northfield, MN	9 GWh	Jun 2020	Dec 2023	Solar
Rengstorf Solar CSG	National Grid Renewables	Coutland, MN	9 GWh	Oct 2017	Dec 2023	Solar
Michelangelo Wind 4 LLC	Michelangelo Wind 4 LLC	Ames, IA	9 GWh	Nov 2016	Dec 2023	Wind

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