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	Apr 2026
Annual Generation	664.4 TWh
Power Plants	2,831
Utilities	1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 54 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 36.9% Coal \| 27.6% Wind \| 14.8% Nuclear \| 13.6% Solar \| 5% Water \| 1.4% Other Fuel \| 0.5%

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Daily Net Generation for Midcontinent Independent System Operator, Inc. for the past 3 Years

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Dundas Solar Holdings LLC CSG	Altus Power America Management, LLC	Northfield, MN	8 GWh	Feb 2018	Feb 2026	Solar
Hyacinth Solar, LLC	National Grid Renewables	Northfield, MN	2 GWh	Sep 2020	Dec 2024	Solar
Northfield Holdco CSG	Northfield Holdco LLC	Northfield, MN	8 GWh	Nov 2017	Dec 2024	Solar
Carleton College	Carleton College	Northfield, MN	8 GWh	Aug 2004	Dec 2024	Wind : 99.8%
Northfield Community Solar	Northfield Community Solar	Northfield, MN	8 GWh	Nov 2016	Dec 2024	Solar
Chub Garden Solar	Chub Garden LLC	Northfield, MN	2 GWh	Feb 2020	Dec 2024	Solar
USS Hubers Solar LLC CSG	United States Solar Corporation	Northfield, MN	2 GWh	Dec 2020	Dec 2024	Solar
Lyman Garden	Excelsior Energy Capital	Northfield, MN	2 GWh	Oct 2020	Dec 2024	Solar
Union Garden	Excelsior Energy Capital	Northfield, MN	2 GWh	Feb 2021	Dec 2024	Solar
GRS Arbor Hills	Gas Recovery Systems Inc	Northville, MI	1 GWh	May 1996	Jan 2026	Landfill Gas
Badger Wind, LLC	Badger Wind , LLC	Northwest McIntosh, ND	134 GWh	-	Feb 2026	Wind
Norway (MI)	City of Norway	Norway, MI	27 GWh	May 1905	Dec 2024	Water
Billerud Quinnesec Mill	Billerud Quinnesec Mill	Norway, MI	294 GWh	Sep 1985	Dec 2024	Black Liquor : 67.8% Wood/Wood Waste Solids : 30.2% Natural Gas : 1.9%
Carver Gladden CSG	Minnesota Solar CSG 8, LLC	Norwood Young America, MN	5 GWh	Mar 2018	Dec 2024	Solar
West Waconia Solar	Enel Green Power NA, Inc.	Norwood Young America, MN	16 GWh	Nov 2016	Dec 2024	Solar
BentonSun LLC	SunShare Management	Norwood Young America, MN	9 GWh	Nov 2016	Dec 2024	Solar
O'Fallon Renewable Energy Center	Union Electric Co - (MO)	O'Fallon, MO	2 GWh	Nov 2014	Dec 2024	Solar
IKEA Oak Creek Rooftop PV System	IKEA Property Inc	Oak Creek, WI	1 GWh	May 2018	Dec 2024	Solar
Elm Road Generating Station	Wisconsin Electric Power Co	Oak Creek, WI	7 TWh	Jan 2010	Feb 2026	Subbituminous Coal : 80.6% Bituminous Coal : 16.4% Natural Gas : 3.0%
South Oak Creek	Wisconsin Electric Power Co	Oak Creek, WI	2 TWh	Nov 1959	Feb 2026	Subbituminous Coal : 99.5%
MMSD South Shore Wastewater	Milwaukee Metro Sewerage Dist	Oak Creek, WI	26 GWh	Jul 2000	Dec 2024	Other Biomass Gas : 88.7% Natural Gas : 11.3%
Allen S King	Northern States Power Co - Minnesota	Oak Park Heights, MN	718 GWh	Feb 1958	Feb 2026	Subbituminous Coal : 99.4%
Oak Ridge Solar	AES Clean Energy	Oak Ridge, LA	407 GWh	Nov 2023	Feb 2026	Solar
Oconto Falls Upper	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	6 GWh	Dec 1917	Dec 2024	Water
Stiles	Oconto Electric Cooperative	Oconto Falls, WI	6 GWh	Feb 1949	Dec 2024	Water
Oconto Falls Lower	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	7 GWh	Dec 1970	Dec 2024	Water
Richland (IA)	Interstate Power and Light Co	Odebolt, IA	483 GWh	Aug 2020	Feb 2026	Wind
Beaver Creek Wind	MidAmerican Energy Co	Ogden, IA	1 TWh	Nov 2017	Feb 2026	Wind
Ogden	City of Ogden - (IA)	Ogden, IA	10 MWh	Jun 1951	Dec 2024	Distillate Fuel Oil
Ogema	Greenbacker Renewable Energy Corporation	Ogema, WI	2 GWh	Feb 2024	Dec 2024	Solar
Olney Solar II CSG	Olney Solar II, LLC	Olney, IL	4 GWh	May 2021	Dec 2024	Solar
Onalaska Campus Landfill Biogas	Gundersen Lutheran Biogas I LLC	Onalaska, WI	4 GWh	Feb 2012	Dec 2024	Landfill Gas
Kleber	Tower Kleber Ltd Partnership	Onaway, MI	5 GWh	Dec 1924	Dec 2024	Water
Prairie Ronde Solar Farm	Lightsource Renewable Energy Asset Management, LLC	Opelousas, LA	269 GWh	Oct 2024	Feb 2026	Solar
Galesburg Solar Array	AEP Onsite Partners, LLC	Oquawka, IL	3 GWh	Feb 2020	Dec 2024	Solar
Sabine	Entergy Texas Inc.	Orange, TX	3 TWh	Dec 1961	Jan 2026	Natural Gas
Sabine River Operations	The Dow Chemical Company	Orange, TX	3 TWh	Dec 1947	Feb 2026	Natural Gas : 99.4% Other Gas : 0.6%
USG Paper, LLC - Orange Mill	USG Paper LLC	Orange, TX	239 GWh	Oct 1967	Dec 2023	Black Liquor : 59.3% Wood/Wood Waste Solids : 39.8% Tire-derived Fuels : 0.9%
OE IL Solar 3	OE IL Solar 3, LLC	Oregon, IL	5 GWh	Feb 2022	Dec 2024	Solar
Orient Wind Farm	MidAmerican Energy Co	Orient, IA	2 TWh	Nov 2018	Feb 2026	Wind
Cumberland Rose	Cumberland Rose Wind Energy, LLC	Orient, IA	5 GWh	Jul 2012	Dec 2024	Wind
Bulldog	Bulldog Wind Energy, LLC	Orient, IA	4 GWh	Sep 2010	Dec 2024	Wind
Eagle Valley (MI)	WM Renewable Energy LLC	Orion, MI	23 GWh	Jun 2011	Dec 2024	Landfill Gas
Osage (IA)	City of Osage - (IA)	Osage, IA	6 GWh	Aug 1963	Dec 2024	Wind : 81.2% Solar : 18.8%
Novel Herickhoff Solar CSG	REA Investments, LLC	Osakis, MN	1 GWh	Mar 2020	Dec 2024	Solar
Novel OYA of Osakis CSG	NRG MN Community LLC	Osakis, MN	9 GWh	Jun 2018	Dec 2024	Solar
Douglas Todd Community Solar One LLC CSG	Madison Energy Holdings LLC	Osakis, MN	2 GWh	Nov 2019	Dec 2024	Solar
FastSun 13 CSG	Altus Power America Management, LLC	Osakis, MN	2 GWh	Nov 2019	Dec 2024	Solar
Plum Point Energy Station	NRG Energy Services - Plum Point	Osceola, AR	4 TWh	Aug 2010	Nov 2025	Subbituminous Coal : 99.9%
Driver Solar	Entergy Arkansas LLC	Osceola, AR	355 GWh	Oct 2024	Feb 2026	Solar
Cooke	Consumers Energy Co - (MI)	Oscoda, MI	25 GWh	Dec 1910	Dec 2024	Water
Foote	Consumers Energy Co - (MI)	Oscoda, MI	27 GWh	Dec 1917	Dec 2024	Water
Five Channels	Consumers Energy Co - (MI)	Oscoda, MI	23 GWh	Dec 1911	Dec 2024	Water
Loud	Consumers Energy Co - (MI)	Oscoda, MI	17 GWh	Dec 1912	Dec 2024	Water
Winnebago County Landfill Gas	Winnebago County	Oshkosh, WI	9 GWh	Jan 2000	Dec 2024	Landfill Gas
Langdon Wind II LLC	FPL Energy Langdon Wind LLC	Osnabrock, ND	171 GWh	Aug 2008	Dec 2024	Wind
Lundgren Wind Project	MidAmerican Energy Co	Otho, IA	804 GWh	Jul 2014	Dec 2024	Wind
Otsego Mill Power Plant	Otsego Paper Inc	Otsego, MI	165 GWh	Oct 1995	Dec 2024	Natural Gas
Dayton Hydro	Eagle Creek Renewable Energy, LLC	Ottawa, IL	16 GWh	Dec 1924	Dec 2024	Water
Ottumwa	Interstate Power and Light Co	Ottumwa, IA	3 TWh	Apr 1981	Feb 2026	Subbituminous Coal : 99.7%
Ottumwa City of	Ottumwa City of	Ottumwa, IA	5 GWh	Jul 1931	Apr 2024	Water
Owatonna	City of Owatonna - (MN)	Owatonna, MN	1 GWh	Mar 1982	Dec 2023	Natural Gas
RJC II Community Solar Garden	RJC II CSG LLC	Owatonna, MN	2 GWh	May 2018	Dec 2024	Solar
Lemond Solar	Adapture Renewables, Inc.	Owatonna, MN	9 GWh	May 2017	Dec 2024	Solar
USS Bush Solar LLC CSG	United States Solar Corporation	Owatonna, MN	2 GWh	Sep 2020	Dec 2024	Solar
Owatonna Energy Station	Southern Minnesota Mun P Agny	Owatonna, MN	13 GWh	Feb 2018	Dec 2024	Natural Gas
RJC I CSG	RJC I CSG LLC	Owatonna, MN	2 GWh	Jun 2018	Dec 2024	Solar
RJC CSG, LLC	Madison Energy Holdings LLC	Owatonna,, MN	2 GWh	May 2021	Dec 2024	Solar
Gibson	Duke Energy Indiana, LLC	Owensville, IN	10 TWh	Mar 1975	Feb 2026	Bituminous Coal : 99.6%
Lyons Road	Lyons Road Solar, LLC	Owosso, MI	40 GWh	Dec 2021	Dec 2024	Solar
Midcontinent Solar, LLC	Midcontinent Solar, LLC	Owosso, MI	37 GWh	Sep 2023	Dec 2024	Solar
Viking Solar CSG	Viking Solar, LLC	Palmyra, IL	5 GWh	May 2021	Dec 2024	Solar
Pleasant Creek Unit 1	Interstate Power and Light Co	Palo, IA	98 GWh	Feb 2024	Feb 2026	Solar
Pleasant Creek Unit 2	Interstate Power and Light Co	Palo, IA	273 GWh	Nov 2024	Feb 2026	Solar
Panora	City of Panora - (IA)	Panora, IA	5 MWh	Dec 1987	Dec 2024	Distillate Fuel Oil
Columbia (WI)	Wisconsin Power & Light Co	Pardeville, WI	6 TWh	Apr 1975	Feb 2026	Subbituminous Coal : 99.9%
Flambeau Lower Project	Renewable World Energies LLC	Park Falls, WI	3 GWh	Dec 1922	Dec 2024	Water
Flambeau Crowley Rapids Project	Renewable World Energies LLC	Park Falls, WI	3 GWh	Dec 1929	Dec 2024	Water
Pioneer Trail Wind Farm, LLC	Big Sky Wind, LLC	Paxton, IL	459 GWh	Nov 2011	Dec 2024	Wind
Paynesville Community Solar	Paynesville Community Solar	Paynesville, MN	8 GWh	Nov 2016	Dec 2024	Solar
Paynesville Solar	Enel Green Power NA, Inc.	Paynesville, MN	20 GWh	Nov 2016	Nov 2024	Solar
Allium Community Solar Garden, LLC	National Grid Renewables	Paynesville, MN	2 GWh	Dec 2020	Dec 2024	Solar
USS Milkweed Solar LLC CSG	Standard Solar	Paynesville, MN	2 GWh	May 2020	Dec 2024	Solar
Paynesville CSG1, LLC	Nautilus Solar Solutions	Paynesville, MN	2 GWh	Dec 2020	Dec 2024	Solar
MN East Regal LLC (CSG)	United States Solar Corporation	Paynesville, MN	179 MWh	Jul 2024	Dec 2024	Solar
Hertzberg Community (CSG)	Hertzberg Community Solar	Paynesville, MN	2 GWh	Mar 2020	Dec 2024	Solar
Capricornus Community Solar Garden	National Grid Renewables	Paynsville, MN	2 GWh	Dec 2018	Dec 2024	Solar
Pearl Station	Prairie Power, Inc	Pearl, IL	161 MWh	May 1973	Dec 2024	Distillate Fuel Oil
Lakeswind Power Partners	Lakeswind Power Partners	Pelican Rapids, MN	151 GWh	Feb 2014	Dec 2024	Wind
A.J. Mihm Generating Station	Upper Michigan Energy Resources Company	Pelkie, MI	170 GWh	Feb 2019	Dec 2024	Natural Gas
Prickett	Upper Peninsula Power Company	Pelkie, MI	7 GWh	Oct 1931	Dec 2024	Water
Pella Peaking	City of Pella - (IA)	Pella, IA	227 MWh	May 2003	Dec 2024	Distillate Fuel Oil
Red Rock Hydro Plant	Western Minnesota Mun Pwr Agny	Pella, IA	202 GWh	Apr 2021	Feb 2026	Water
IMPA Pendleton Solar Park	Indiana Municipal Power Agency	Pendleton, IN	3 GWh	Sep 2015	Dec 2024	Solar
SCS Galena 012589 Peoria, LLC	Arevon Energy, Inc.	Peoria, IL	4 GWh	Nov 2021	Dec 2024	Solar
Archer Daniels Midland Peoria	BioUrja Renewables LLC	Peoria, IL	79 GWh	Dec 1987	Dec 2024	Natural Gas
Perry Customer Hosted 1MW Solar Project	Interstate Power and Light Co	Perry, IA	739 MWh	Jun 2024	Dec 2024	Solar
City of Peru Plank Road Generating Station	City of Peru - (IL)	Peru, IL	19 GWh	Sep 1968	Feb 2026	Water : 97.8% Distillate Fuel Oil : 1.8%
Peru (IN)	City of Peru - (IN)	Peru, IN	6 MWh	May 1949	Dec 2024	Distillate Fuel Oil
IMPA Peru Solar Park	Indiana Municipal Power Agency	Peru, IN	4 GWh	Jul 2015	Dec 2024	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#60	Alcoa Power Generating, Inc. - Yadkin Division	582.3 GWh	4
#27	Associated Electric Cooperative, Inc.	23.9 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.4 TWh	10
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.0 TWh	25
#1	PJM Interconnection, LLC	881.5 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	302.9 TWh	835
#51	Southwestern Power Administration	4.6 TWh	34
#9	Tennessee Valley Authority	163.1 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	881.5 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	664.4 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	488.2 TWh	1,313
#5	Southwest Power Pool	302.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	176.8 TWh	2,075
#9	Tennessee Valley Authority	163.1 TWh	204
#10	Florida Power & Light Co.	150.9 TWh	187
#12	New York Independent System Operator	134.4 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565