Midcontinent Independent System Operator, Inc.

Balancing Authority Summary Information

Midcontinent Independent System Operator, Inc. is ranked #2 out of 64 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	Jul 2026
Annual Generation	669.4 TWh
Power Plants	3,038
Utilities	1,345
Ranked #2 out of 64 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 37% Coal \| 26.5% Wind \| 14.9% Nuclear \| 13.9% Solar \| 5.7% Water \| 1.4% Other Fuel \| 0.6%

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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
POET Biorefining - Jewell	POET Biorefining - Jewell	Jewell, IA	11 GWh	Feb 2019	Dec 2025	Natural Gas
Tyto Solar	Madison Gas & Electric Co	Fitchburg, WI	11 GWh	Jan 2024	Dec 2025	Solar
Maywood Photovoltaic Project	ENI New Energy US Inc	Indianapolis, IN	11 GWh	Feb 2014	Dec 2024	Solar
Annandale Solar	Enel Green Power NA, Inc.	Annandale, MN	12 GWh	Nov 2016	Dec 2025	Solar
Berlin Landfill Gas	WM Renewable Energy LLC	Berlin, WI	12 GWh	Jul 2001	Dec 2025	Landfill Gas
Allegan Dam	Consumers Energy Co - (MI)	Allegan, MI	12 GWh	Dec 1934	Dec 2025	Water
Jackson Solar WI, LLC	Wisconsin Electric Power Co	Cedarburg, WI	12 GWh	Nov 2023	Dec 2025	Solar
Cisco	ALLETE Clean Energy	Brewster, MN	12 GWh	Jan 2008	Dec 2025	Wind
Lewis & Clark	Montana-Dakota Utilities Co	Richland, MT	12 GWh	Sep 1958	May 2026	Natural Gas
Wright Kirby 1-5 CSG	Standard Solar	Monticello, MN	12 GWh	May 2019	Dec 2025	Solar
Spartan PV 1, LLC	NJR Clean Energy Ventures Corporation	East Lansing, MI	12 GWh	Nov 2017	Dec 2024	Solar
Bonduel Solar WI, LLC	Wisconsin Electric Power Co	Bonduel, WI	12 GWh	Nov 2023	Dec 2025	Solar
Oconto Falls Upper	Eagle Creek Renewable Energy, LLC	Oconto Falls, WI	12 GWh	Dec 1917	Dec 2025	Water
Wind Turbine	Madison Gas & Electric Co	Casco, WI	12 GWh	May 1999	Dec 2025	Wind
Norway (IN)	Northern Indiana Pub Serv Co	Monticello, IN	12 GWh	May 1923	Dec 2025	Water
Shaokatan Hills LLC	Shaokatan Hills, LLC (Longroad)	Hendricks, MN	12 GWh	Jul 1999	Dec 2024	Wind
Appleton	Wisconsin Electric Power Co	Appleton, WI	12 GWh	Jul 1916	Dec 2025	Water
Branch Solar Project	Branch Solar, LLC	Coldwater, MI	12 GWh	-	May 2026	Solar
Brule	Wisconsin Electric Power Co	Florence, WI	12 GWh	Dec 1918	Dec 2025	Water
Dodge Center Solar	Enel Green Power NA, Inc.	Dodge Center, MN	13 GWh	Nov 2016	Dec 2025	Solar
Indianapolis Motor Speedway Solar PV	Boralex US Operations LLC	Indianapolis, IN	13 GWh	May 2014	Dec 2025	Solar
Venice Resources Gas Recovery	WM Renewable Energy LLC	Lennon, MI	13 GWh	Feb 1992	Dec 2025	Landfill Gas
Brainerd Public Utilities	Brainerd Public Utilities	Brainerd, MN	13 GWh	Dec 1916	Dec 2025	Water
Spring Prairie Solar WI, LLC	Wisconsin Electric Power Co	Burlington, WI	13 GWh	Nov 2023	Dec 2025	Solar
Bremen	Indiana Municipal Power Agency	Bremen, IN	13 GWh	Oct 2022	Dec 2025	Solar
Central Generating	North American Central - LLC	Pierson, MI	13 GWh	Aug 2018	Dec 2025	Landfill Gas
Fairmont Wind	Southern Minnesota Mun P Agny	Fairmont, MN	13 GWh	Feb 2003	Dec 2025	Wind
Norway Point Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	13 GWh	Aug 1990	Dec 2025	Water
Delta Solar Power I	Delta Solar Power I, LLC	Grand Ledge, MI	13 GWh	May 2018	Dec 2025	Solar
Connexus Solar Stanford 1STF	REA Investments, LLC	St. Francis, MN	13 GWh	Apr 2021	Dec 2025	Solar
POET Biorefining Caro, LLC	POET Biorefining Caro, LLC	Caro, MI	13 GWh	May 2018	Dec 2025	Natural Gas
Franklin County Solar	MidAmerican Energy Co	Hampton, IA	13 GWh	Dec 2021	Dec 2025	Solar
Lake Pulaski Solar	Enel Green Power NA, Inc.	Buffalo, MN	13 GWh	Nov 2016	Dec 2025	Solar
Hodag Solar	Wisconsin Public Service Corp	Rhinelander, WI	13 GWh	Dec 2021	Dec 2025	Solar
Apple River	Northern States Power Co - Minnesota	Somerset, WI	13 GWh	Dec 1900	Dec 2025	Water
Kimberly Mill	City of Kaukauna (WI)	Appleton, WI	13 GWh	Dec 1925	Dec 2025	Water
Crawfordsville 2 Solar Park	Indiana Municipal Power Agency	Crawfordsville, IN	13 GWh	Nov 2019	Dec 2025	Solar
Indy Solar III, LLC	Onward Energy	Indianapolis, IN	13 GWh	Nov 2013	May 2026	Solar
POET Biorefining-Hanlontown, LLC	POET Biorefining-Hanlontown, LLC	Hanlontown, IA	13 GWh	Dec 2018	Dec 2025	Natural Gas
IND Community Solar Farm 1st Phase	Terraform Arcadia	Indianapolis, IN	14 GWh	Oct 2013	Dec 2025	Solar
Mio	Consumers Energy Co - (MI)	Mio, MI	14 GWh	Dec 1915	Dec 2025	Water
Adelite Solar, LLC	Birch Creek Development	Hamilton, MO	14 GWh	-	May 2026	Solar
Hoist	Upper Peninsula Power Company	Negaunee, MI	14 GWh	Jan 1988	Dec 2025	Water
Eastridge Wind Project	Eastridge Wind Project	Porter, MN	14 GWh	Mar 2006	Dec 2025	Wind
Alexander	Wisconsin Public Service Corp	Merrill, WI	14 GWh	Dec 1924	Dec 2025	Water
Hastings City Hydroelectric	Hastings Lock & Dam	Hastings, MN	14 GWh	Dec 1991	Dec 2025	Water
POET Biorefining LLC - Corning	POET Biorefining LLC - Corning	Corning, IA	14 GWh	Sep 2018	Dec 2025	Natural Gas
Neptune Gas Processing Plant	Enterprise Products Optg LP	Centerville, LA	14 GWh	Jan 2004	Dec 2025	Other Fuel
PPG Plant C Caustic	Westlake 2 US LLC	Lake Charles, LA	14 GWh	Sep 1986	Dec 2025	Natural Gas
Camp Ripley Solar	Camp Riley Solar Facility	Little Falls, MN	14 GWh	Oct 2016	Dec 2025	Solar
James R Smith	City of Marquette - (MI)	Marquette, MI	14 GWh	Dec 1918	Dec 2025	Water
Stevens Point Mill	Pixelle Specialty Solution, LLC	Stevens Point, WI	14 GWh	Jan 2002	Dec 2025	Natural Gas
Red Lake Falls Community Hybrid	RWE Clean Energy	Red Lake Falls, MN	15 GWh	Nov 2020	Dec 2025	Wind : 95.1% Solar : 4.9%
Northeast (MI)	DTE Electric Company	Warren, MI	15 GWh	Apr 1966	Dec 2025	Natural Gas : 86.8% Distillate Fuel Oil : 13.2%
Indy Solar II, LLC	Onward Energy	Indianapolis, IN	15 GWh	Nov 2013	May 2026	Solar
Oakdale	Northern Indiana Pub Serv Co	Monticello, IN	15 GWh	Oct 1925	Feb 2025	Water
CC Perry K	Citizens Thermal Energy	Indianapolis, IN	15 GWh	Dec 1924	May 2026	Natural Gas
Indy Solar I, LLC	Onward Energy	Indianapolis, IN	15 GWh	Nov 2013	May 2026	Solar
Adams PV Plant	Adams PV Plant (WI)	Adams, WI	15 GWh	Jun 2023	Dec 2025	Solar
High Falls (WI)	Wisconsin Public Service Corp	Town of Stephenson, WI	16 GWh	Jul 1910	Dec 2025	Water
Glendive GT	Montana-Dakota Utilities Co	Glendive, MT	16 GWh	May 1979	Dec 2025	Natural Gas : 98.8% Distillate Fuel Oil : 1.2%
West Waconia Solar	Enel Green Power NA, Inc.	Norwood Young America, MN	16 GWh	Nov 2016	Dec 2025	Solar
Ameresco Jefferson City	AMERESCO Jefferson City LLC	Jefferson City, MO	16 GWh	Feb 2009	Dec 2025	Landfill Gas
Loud	Consumers Energy Co - (MI)	Oscoda, MI	16 GWh	Dec 1912	Dec 2025	Water
Whiting	Consolidated Water Power Co	Whiting, WI	16 GWh	Dec 1890	Dec 2025	Water
Pinconning White Feather	Energy Developments, Inc d/b/a EDL	Pinconning, MI	16 GWh	Feb 2009	Dec 2025	Landfill Gas
Crawfordsville 5 Solar Park	Indiana Municipal Power Agency	Crawfordsville, IN	16 GWh	Aug 2020	Dec 2025	Solar
Hermsdorf Solar	Madison Gas & Electric Co	Madison, WI	16 GWh	Feb 2022	Dec 2025	Solar
Clinton LFGTE	Wabash Valley Power Assn, Inc	Clinton, IL	16 GWh	Jan 2006	May 2026	Landfill Gas
Rapide Croche	City of Kaukauna (WI)	Kaukana, WI	17 GWh	Dec 1925	Dec 2025	Water
Lakota Ridge LLC	Lakota Ridge, LLC (Longroad)	Hendricks, MN	17 GWh	Mar 1999	Dec 2024	Wind
Rock County Wind Fuel, LLC	Rock County Wind Fuel, LLC	Luverne, MN	17 GWh	Apr 2020	Dec 2025	Wind
Agriwind	Agriwind Holdings, LLC	Tiskilwa, IL	17 GWh	Jun 2007	Dec 2025	Wind
Electrifarm	MidAmerican Energy Co	Waterloo, IA	17 GWh	Apr 1975	Dec 2025	Natural Gas
Wheaton	Northern States Power Co - Minnesota	Eau Claire, WI	17 GWh	Dec 1972	May 2025	Natural Gas : 97.4% Distillate Fuel Oil : 2.6%
Peru 2	Indiana Municipal Power Agency	Peru, IN	17 GWh	Mar 2021	Dec 2025	Solar
Marshall Solar Plus LLC	Western Minnesota Mun Pwr Agny	Marshall, MN	17 GWh	Nov 2024	Dec 2025	Solar
City of Peru Hydro-Electric Generating S	City of Peru - (IL)	Utica, IL	17 GWh	Aug 1996	Dec 2025	Water
POET Biorefining - North Manchester, LLC	POET Biorefining - North Manchester, LLC	North Manchester, IN	17 GWh	May 2017	Dec 2025	Natural Gas
Dane County Airport Solar	Madison Gas & Electric Co	Madison, WI	17 GWh	Nov 2020	Dec 2025	Solar
Winton	ALLETE, Inc.	Winton, MN	18 GWh	Jul 1923	Dec 2025	Water
Paynesville Solar	Enel Green Power NA, Inc.	Paynesville, MN	18 GWh	Nov 2016	Dec 2025	Solar
Lightfoot Solar, LLC	Lightfoot Solar, LLC	Luzerne, MI	18 GWh	Sep 2023	Dec 2025	Solar
Poet Bioprocessing Emmetsburg	Poet Bioprocessing Emmetsburg	Emmetsburg, IA	18 GWh	Nov 2023	Dec 2025	Natural Gas : 84.7% Other Biomass Solids : 15.3%
Venice	Union Electric Co - (MO)	Venice, IL	18 GWh	May 2002	Dec 2025	Natural Gas
Albany Solar	Enel Green Power NA, Inc.	Albany, MN	19 GWh	Nov 2016	Dec 2025	Solar
IMPA Washington Solar Park 2	Indiana Municipal Power Agency	Washington, IN	19 GWh	Jun 2023	Dec 2025	Solar
Marshfield Utilities Gas Plant	City of Marshfield - (WI)	Marshfield, WI	19 GWh	May 2011	Dec 2025	Natural Gas
Westside Solar	Westside Solar, LLC (Ecofin)	Rochester, MN	19 GWh	Nov 2022	Dec 2025	Solar
Northern Cardinal Solar SCS IL 1, LLC	Arevon Energy, Inc.	Champaign, IL	19 GWh	Jan 2021	Dec 2025	Solar
Timberline Trail Gas Recovery	WM Renewable Energy LLC	Weyerhaeser, WI	19 GWh	Jan 2006	Dec 2025	Landfill Gas
Caterpillar	Caterpillar Inc	Lafayette, IN	19 GWh	Nov 1983	May 2026	Natural Gas
Milam Gas Recovery	WM Illinois Renewable Energy LLC	East St. Lois, IL	19 GWh	Mar 1991	Dec 2025	Natural Gas
Deercroft I & II LFGTE	Wabash Valley Power Assn, Inc	Michigan City, IN	19 GWh	Jul 1999	Dec 2025	Landfill Gas
Blue Water Renewables Inc	Blue Water Renewables Inc	Kimball Township, MI	20 GWh	Nov 2011	Dec 2025	Landfill Gas
Surbrook Solar, LLC	Surbrook Solar, LLC	Rives Junction, MI	20 GWh	Aug 2024	Dec 2025	Solar
Sagamore Plant Cogeneration	Tate & Lyle Ingredients Americas Inc	Lafayette, IN	20 GWh	Sep 1984	May 2026	Natural Gas
Truman Solar	Agilitas Energy, Inc.	Colombia, MO	20 GWh	May 2021	Dec 2025	Solar
Logansport Solar	Cardinal Renewables	Logansport, IN	20 GWh	Aug 2021	Dec 2025	Solar
Island Street Peaking Plant	WPPI Energy	Kaukauna, WI	20 GWh	May 2004	Dec 2025	Natural Gas

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	442.5 GWh	4
#26	Associated Electric Cooperative, Inc.	23.4 TWh	47
#13	Duke Energy Carolinas	112.6 TWh	577
#50	Duke Energy Progress West	4.5 TWh	15
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	33.9 TWh	25
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#5	Southwest Power Pool	306.8 TWh	856
#53	Southwestern Power Administration	4.1 TWh	34
#9	Tennessee Valley Authority	163.4 TWh	207

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#2	Midcontinent Independent System Operator, Inc.	669.4 TWh	3,038
#3	Electric Reliability Council of Texas, Inc.	494.1 TWh	1,471
#5	Southwest Power Pool	306.8 TWh	856
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#7	California Independent System Operator	169.4 TWh	2,135
#9	Tennessee Valley Authority	163.4 TWh	207
#10	Florida Power & Light Co.	152.2 TWh	187
#12	New York Independent System Operator	134.3 TWh	1,299
#13	Duke Energy Carolinas	112.6 TWh	577