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	May 2025
Annual Generation	643.3 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 \| 36.6% Coal \| 28.1% Wind \| 15.6% Nuclear \| 14.4% Solar \| 3.2% Water \| 1.7% Other Fuel \| 0.5%

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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
Moselle	Cooperative Energy	Moselle, MS	2 TWh	Jul 1970	Mar 2025	Natural Gas
Blue Water Energy Center	DTE Electric Company	East China, MI	8 TWh	May 2022	Mar 2025	Natural Gas
Elk River	Great River Energy	Elk River, MN	33 GWh	Dec 1950	Mar 2025	Natural Gas : 97.9% Distillate Fuel Oil : 2.1%
North English	MidAmerican Energy Co	Montezuma, IA	1 TWh	Nov 2018	Mar 2025	Wind
Arbor Hill Wind Farm	MidAmerican Energy Co	Greenfield, IA	1 TWh	Nov 2018	Mar 2025	Wind
Kossuth	Wisconsin Power & Light Co	Lu Verne, IA	557 GWh	Sep 2020	Mar 2025	Wind
Muscatine Plant #1	Board of Water Electric & Communications	Muscatine, IA	663 GWh	Mar 1958	Mar 2025	Subbituminous Coal : 99.8%
Golden Plains	Interstate Power and Light Co	Buffalo Center, IA	770 GWh	Feb 2020	Mar 2025	Wind
Richland	Interstate Power and Light Co	Odebolt, IA	526 GWh	Aug 2020	Mar 2025	Wind
Whispering Willow North	Interstate Power and Light Co	Latimer, IA	823 GWh	Dec 2019	Mar 2025	Wind
Louisiana 1	Entergy Louisiana LLC	Baton Rouge, LA	3 TWh	Sep 1951	Mar 2025	Natural Gas : 74.9% Other Gas : 25.1%
R S Nelson	Entergy Louisiana LLC	Westlake, LA	1 TWh	Jan 1959	Mar 2025	Subbituminous Coal : 99.5% Distillate Fuel Oil : 0.5%
Coughlin Power Station	Cleco Power LLC	St Landry, LA	4 TWh	Mar 1961	Mar 2025	Natural Gas
Little Gypsy	Entergy Louisiana LLC	La Place, LA	1 TWh	Feb 1961	Mar 2025	Natural Gas
Nine Mile Point	Entergy Louisiana LLC	Westwego, LA	9 TWh	Oct 1955	Mar 2025	Natural Gas
Glaciers Edge Wind Project	EDF Renewable Asset Holdings, Inc.	Cleghorn, IA	882 GWh	Nov 2019	Mar 2025	Wind
Nautilus Winsted Solar (CSG)	Nautilus Solar Solutions	Winsted, MN	6 GWh	Mar 2019	Mar 2025	Solar
Nautilus Saint Cloud Solar (CSG)	Nautilus Solar Solutions	Saint Cloud, MN	8 GWh	Mar 2019	Mar 2025	Solar
Nautilus Lindstrom Solar (CSG)	Nautilus Solar Solutions	Lindstrom, MN	3 GWh	Feb 2019	Mar 2025	Solar
Dan E Karn	Consumers Energy Co - (MI)	Essexville, MI	64 GWh	Oct 1959	Mar 2025	Natural Gas : 91.6% Residual Fuel Oil : 8.4%
J H Campbell	Consumers Energy Co - (MI)	West Olive, MI	9 TWh	Sep 1962	Mar 2025	Subbituminous Coal : 98.3% Bituminous Coal : 1.5%
Fermi	DTE Electric Company	Frenchtown Twp, MI	9 TWh	Mar 1966	Mar 2025	Nuclear
Monroe (MI)	DTE Electric Company	Monroe, MI	15 TWh	Oct 1969	Mar 2025	Subbituminous Coal : 74.6% Bituminous Coal : 15.7% Petroleum Coke : 9.6%
St Clair	DTE Electric Company	East China Twp, MI	3 GWh	Jul 1953	Mar 2025	Natural Gas
Pegasus Wind	Pegasus Wind, LLC	Reese, MI	400 GWh	Nov 2019	Mar 2025	Wind
Ivester Wind Farm	MidAmerican Energy Co	Wellsburg, IA	348 GWh	Nov 2018	Mar 2025	Wind
Bishop Hill III	Invenergy Services LLC	Cambridge, IL	463 GWh	May 2018	Mar 2025	Wind
Meadow Lake Wind Farm VI LLC	Meadow Lake Wind Farm VI LLC	Remington, IN	682 GWh	Oct 2018	Mar 2025	Wind
Foxtail Wind, LLC	Foxtail Wind, LLC	Forbes, ND	649 GWh	Dec 2019	Mar 2025	Wind
Wyandotte	Wyandotte Municipal Serv Comm	Wyandotte, MI	75 MWh	Dec 1947	Mar 2025	Distillate Fuel Oil
Clay Boswell	ALLETE, Inc.	Cohasset, MN	5 TWh	Jun 1958	Mar 2025	Subbituminous Coal : 99.7%
Sherburne Community Solar	AEP Onsite Partners, LLC	Clear Lake, MN	8 GWh	Feb 2018	Mar 2025	Solar
M L Hibbard	ALLETE, Inc.	Duluth, MN	68 GWh	May 1949	Mar 2025	Wood/Wood Waste Solids : 93.4% Subbituminous Coal : 5.6% Natural Gas : 1.0%
Blazing Star 2 Wind Farm	Northern States Power Co - Minnesota	Hendricks, MN	856 GWh	Dec 2020	Mar 2025	Wind
LA3 West Baton Rouge Solar Facility	Sol Systems	West Baton Rouge, LA	111 GWh	Aug 2020	Mar 2025	Solar
High Bridge	Northern States Power Co - Minnesota	St. Paul, MN	3 TWh	Apr 2008	Mar 2025	Natural Gas
Turtle Creek Wind Farm LLC	Turtle Creek Wind Farm LLC	St. Ansgar, IA	770 GWh	Nov 2018	Mar 2025	Wind
Porter Way Community Solar Garden	AEP Onsite Partners, LLC	Waconia, MN	5 GWh	Jan 2018	Mar 2025	Solar
Allen S King	Northern States Power Co - Minnesota	Oak Park Heights, MN	584 GWh	Feb 1958	Mar 2025	Subbituminous Coal : 99.5%
Monticello Nuclear Facility	Northern States Power Co - Minnesota	Monticello, MN	6 TWh	May 1971	Mar 2025	Nuclear
Prairie Island	Northern States Power Co - Minnesota	Welch, MN	8 TWh	Jan 1974	Mar 2025	Nuclear
Red Wing	Northern States Power Co - Minnesota	Red Wing, MN	110 GWh	Sep 1949	Mar 2025	Non-biogenic Municipal Solid Waste : 52.9% Biogenic Municipal Solid Waste : 43.3% Wood/Wood Waste Solids : 3.3% Natural Gas : 0.6%
Riverside (MN)	Northern States Power Co - Minnesota	Minneapolis, MN	2 TWh	Mar 1987	Mar 2025	Natural Gas
Waterville CSG Solar Holdings LLC	Altus Power America Management, LLC	Waterville, MN	8 GWh	Feb 2018	Mar 2025	Solar
Wilmarth	Northern States Power Co - Minnesota	Mankato, MN	119 GWh	Aug 1948	Mar 2025	Non-biogenic Municipal Solid Waste : 54.3% Biogenic Municipal Solid Waste : 44.4% Natural Gas : 1.3%
Dundas Solar Holdings LLC CSG	Altus Power America Management, LLC	Northfield, MN	8 GWh	Feb 2018	Mar 2025	Solar
Heartland Divide Wind Project, LLC	Heartland Divide Wind Project, LLC	Melville, IA	444 GWh	Nov 2018	Mar 2025	Wind
English Farms	Interstate Power and Light Co	Montezuma, IA	606 GWh	Feb 2019	Mar 2025	Wind
Upland Prairie	Interstate Power and Light Co	Spencer, IA	1 TWh	Feb 2019	Mar 2025	Wind
Roquette America	Roquette America	Keokuk, IA	199 GWh	Jun 2004	Feb 2025	Natural Gas
GRS Arbor Hills	Gas Recovery Systems Inc	Northville, MI	93 MWh	May 1996	Feb 2025	Landfill Gas
Ouachita	Entergy Louisiana LLC	Sterlington, LA	4 TWh	Jul 2002	Feb 2025	Natural Gas
Montpelier Electric Generating Station	Kimura Power LLC	Poneto, IN	76 GWh	May 2001	Feb 2025	Natural Gas : 99.8%
Dearborn Industrial Generation	Dearborn Industrial Gen Inc	Dearborn, MI	5 TWh	May 1999	Feb 2025	Natural Gas : 84.1% Blast Furnace Gas : 15.9%
White Bluff	Entergy Arkansas LLC	Redfield, AR	2 TWh	Jul 1980	Feb 2025	Subbituminous Coal : 99.4% Distillate Fuel Oil : 0.6%
River Bend	Entergy Louisiana LLC	St. Francisville, LA	8 TWh	May 1986	Feb 2025	Nuclear
Sabine	Entergy Texas Inc.	Orange, TX	4 TWh	Dec 1961	Jan 2025	Natural Gas
MSC Croswell	Michigan Sugar Company	Croswell, MI	131 MWh	Sep 1948	Jan 2025	Natural Gas
John Deere Dubuque Works	John Deere Dubuque Works	Dubuque, IA	92 MWh	May 1994	Jan 2025	Distillate Fuel Oil
Alliant SBD 9203 Profol	American Profol Incorporated	Cedar Rapids, IA	133 MWh	Aug 1996	Nov 2024	Distillate Fuel Oil
Thomson Reuters Data Center Bldg H	Thomson Corp	Eagan, MN	41 MWh	Dec 2006	Nov 2024	Distillate Fuel Oil
PPG Riverside	Westlake 2 US LLC	Lake Charles, LA	111 GWh	Aug 1947	Nov 2024	Purchased Steam
West Group Data Center F	Thomson Corp	Eagan, MN	50 MWh	May 2004	Nov 2024	Distillate Fuel Oil
FECC Solar Benton	Today's Power, Inc.	Benton, AR	967 MWh	Feb 2017	Oct 2024	Solar
Rush Island	Union Electric Co - (MO)	Festus, MO	603 GWh	Feb 1976	Sep 2024	Subbituminous Coal : 98.2% Distillate Fuel Oil : 1.8%
University of Iowa Main Power Plant	University of Iowa	Iowa City, IA	4 GWh	Dec 1946	Sep 2024	Natural Gas : 51.7% Other Biomass Solids : 19.1% Wood/Wood Waste Solids : 18.4% Bituminous Coal : 10.8%
Thomson Reuters Data Center Bldg ES101	Thomson Corp	Eagan, MN	9 MWh	Apr 2009	Aug 2024	Distillate Fuel Oil
CII Carbon LLC	CII Carbon LLC	Chalmette, LA	8 GWh	Dec 1950	Jun 2024	Waste Heat
CC Perry K	Citizens Thermal Energy	Indianapolis, IN	12 GWh	Dec 1924	Jun 2024	Natural Gas
Georgia-Pacific Crossett LLC	Georgia-Pacific Crossett LLC	Crossett, AR	4 GWh	Apr 1962	Jun 2024	Natural Gas
LSU Cogen	LSU and A&M College	Baton Rouge, LA	56 GWh	Nov 2004	Feb 2024	Natural Gas
USS Centerfield Solar CSG	Standard Solar	Webster, MN	2 GWh	Oct 2019	Dec 2023	Solar
Mapleton Community Solar	Mapleton Community Solar	Mapleton, MN	5 GWh	May 2017	Dec 2023	Solar
South Fork Wind Farm	South Fork Wind, LLC	Round Lake, MN	54 GWh	Nov 2016	Dec 2023	Wind
Gopher CSG	SoCore Energy LLC	Taylor Falls, MN	8 GWh	Dec 2017	Dec 2023	Solar
Gratiot County Wind LLC	Invenergy Services LLC	Breckenridge, MI	228 GWh	Apr 2012	Dec 2023	Wind
Rollingstone Holdco CSG	Rollingstone Holdco LLC	Rollingstone, MN	7 GWh	Jul 2019	Dec 2023	Solar
Odell Wind Farm	Algonquin Power Co	Mountain Lake, MN	739 GWh	Jun 2016	Dec 2023	Wind
Morgan Community Solar	Morgan Community Solar	Morgan, MN	5 GWh	Mar 2017	Dec 2023	Solar
Water Reclamation Plant	City of Rochester	Rochester, MN	3 GWh	Feb 2003	Dec 2023	Other Biomass Gas
Indianapolis Motor Speedway Solar PV	Blue Renewable Energy IMS, LLC	Indianapolis, IN	12 GWh	May 2014	Dec 2023	Solar
Spica Community Solar	Spica Community Solar	Lake Lillian, MN	3 GWh	Jul 2017	Dec 2023	Solar
Vega Community Solar	Vega Community Solar	Glenwood, MN	8 GWh	Sep 2017	Dec 2023	Solar
Becker Solar CSG	SunShare Management	St. Michael, MN	2 GWh	Feb 2019	Dec 2023	Solar
USS Solar Rapids CSG	United States Solar Corporation	Sauk Rapids, MN	2 GWh	Dec 2018	Dec 2023	Solar
Veolia ES Blackfoot Landfill Facility	Southern Indiana Gas & Elec Co	Winslow, IN	9 GWh	May 2009	Dec 2023	Landfill Gas
Hometown Bio Energy LLC	Hometown Bio Energy LLC	Le Sueur, MN	20 GWh	Nov 2013	Dec 2023	Other Biomass Gas
USS Solar Dawn CSG	United States Solar Corporation	North Branch, MN	2 GWh	Nov 2018	Dec 2023	Solar
USS Norelius Solar CSG	United States Solar Corporation	North Branch, MN	2 GWh	Dec 2018	Dec 2023	Solar
USS Nillie Corn Solar CSG	United States Solar Corporation	North Branch, MN	2 GWh	Nov 2018	Dec 2023	Solar
USS JJ Solar CSG	United States Solar Corporation	Sauk Rapids, MN	2 GWh	Dec 2018	Dec 2023	Solar
Spartan PV 1, LLC	NJR Clean Energy Ventures Corporation	East Lansing, MI	13 GWh	Nov 2017	Dec 2023	Solar
USS Dubhe Solar CSG	United States Solar Corporation	North Branch, MN	2 GWh	Nov 2018	Dec 2023	Solar
USS Brockway Solar CSG	United States Solar Corporation	Sartell, MN	2 GWh	Dec 2018	Dec 2023	Solar
Syncarpha Dodge 1 CSG	Solar Provider Group MN I LLC	Dodge Center, MN	2 GWh	Apr 2019	Dec 2023	Solar
Hampton MN GRE	SoCore Energy LLC	Hampton Township, MN	4 GWh	Sep 2018	Dec 2023	Solar
Watervliet	EDL Inc	Watervliet, MI	23 GWh	Jan 2013	Dec 2023	Landfill Gas
Anoka County MN CONX	SoCore Energy LLC	Ramsey, MN	6 GWh	Sep 2018	Dec 2023	Solar
Lincoln Solar	Ecos Energy LLC	Merrillville, IN	2 GWh	Nov 2012	Dec 2023	Solar
Athens MN CONX	SoCore Energy LLC	Athens, MN	10 GWh	Nov 2018	Dec 2023	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	727.7 GWh	4
#27	Associated Electric Cooperative, Inc.	22.8 TWh	47
#13	Duke Energy Carolinas	111.4 TWh	556
#52	Duke Energy Progress West	4.1 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.8 TWh	20
#1	PJM Interconnection, LLC	858.5 TWh	2,305
#20	Public Service Company of Colorado	48.7 TWh	201
#5	Southwest Power Pool	297.0 TWh	762
#51	Southwestern Power Administration	4.2 TWh	31
#8	Tennessee Valley Authority	158.8 TWh	170

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	858.5 TWh	2,305
#2	Midcontinent Independent System Operator, Inc.	643.3 TWh	2,653
#3	Electric Reliability Council of Texas, Inc.	476.0 TWh	1,139
#5	Southwest Power Pool	297.0 TWh	762
#6	Southern Company Services, Inc. - Trans	251.8 TWh	393
#7	California Independent System Operator	190.1 TWh	1,943
#8	Tennessee Valley Authority	158.8 TWh	170
#10	Florida Power & Light Co.	148.3 TWh	159
#12	New York Independent System Operator	130.6 TWh	1,100
#13	Duke Energy Carolinas	111.4 TWh	556