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
Veolia ES Blackfoot Landfill Facility	Southern Indiana Gas & Elec Co	Winslow, IN	9 GWh	May 2009	Dec 2023	Landfill Gas
Oak Hill Solar Array	Southern Indiana Gas & Elec Co	Evansville, IN	3 GWh	Oct 2018	Dec 2023	Solar
Volkman Road Solar Array Hybrid	Southern Indiana Gas & Elec Co	Evansville, IN	2 GWh	Oct 2018	Dec 2023	Solar
Troy Solar	Southern Indiana Gas & Elec Co	Troy, IN	89 GWh	Mar 2021	Sep 2024	Solar
Southern Minnesota Beet Sugar	Southern Minnesota Beet Sugar	Renville, MN	26 GWh	Aug 1976	Sep 2024	Subbituminous Coal : 71.4% Natural Gas : 27.1% Residual Fuel Oil : 1.6%
SMMPA Methane Energy Facility	Southern Minnesota Mun P Agny	Mora, MN	1 GWh	Mar 2012	Dec 2023	Landfill Gas
Fairmont Wind	Southern Minnesota Mun P Agny	Fairmont, MN	12 GWh	Feb 2003	Dec 2023	Wind
Fairmont (MN)	Southern Minnesota Mun P Agny	Fairmont, MN	13 GWh	Dec 1974	Dec 2023	Natural Gas : 99.6%
Redwood Falls Wind	Southern Minnesota Mun P Agny	Redwood Falls, MN	7 GWh	Nov 2004	Dec 2023	Wind
Owatonna Energy Station	Southern Minnesota Mun P Agny	Owatonna, MN	54 GWh	Feb 2018	Dec 2023	Natural Gas
Deuel Harvest Wind Energy LLC	Southern Power Co	Clear Lake, SD	1 TWh	Jan 2021	Sep 2024	Wind
Freedom Power Project	Southwestern Electric Coop Inc - (IL)	St. Elmo, IL	2 GWh	May 2000	Aug 2023	Natural Gas
Hurricane Creek CSG	SPG IL Hurricane Creek Solar LLC	Carterville, IL	4 GWh	May 2021	Dec 2023	Solar
Spica Community Solar	Spica Community Solar	Lake Lillian, MN	3 GWh	Jul 2017	Dec 2023	Solar
Spring Valley	Spring Valley Pub Utils Comm	Spring Valley, MN	149 MWh	Dec 1951	Dec 2023	Distillate Fuel Oil : 73.3% Natural Gas : 26.7%
Springfield (MN)	Springfield Public Utils Comm - (MN)	Springfield, MN	40 MWh	May 1994	Dec 2023	Distillate Fuel Oil
Carroll Area Wind Farm	SRIV Partnership LLC	Templeton, IA	70 GWh	Dec 2014	Dec 2023	Wind
Saint Marys Hospital Power Plant	St Mary's Hospital	Rochester, MN	52 GWh	Dec 1970	Sep 2024	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
St Paul Cogeneration	St Paul Cogeneration LLC	St. Paul, MN	153 GWh	Mar 2003	Dec 2023	Wood/Wood Waste Solids : 76.5% Natural Gas : 23.5%
St. Cloud Hydro	St. Cloud Hydroelectric Generation Facility	St Cloud, MN	37 GWh	May 1988	Dec 2023	Water
St. James Solar (LA)	St. James Solar, LLC	Vacherie, LA	39 GWh	Jan 2023	Dec 2023	Solar
St. Olaf Wind Turbine	St. Olaf College	Northfield, MN	2 GWh	Aug 2006	Dec 2023	Wind
St. Olaf StandBy Generators	St. Olaf College	Northfield, MN	46 MWh	May 1999	Dec 2023	Distillate Fuel Oil
STAG St. Paul Project CSG	STAG St. Paul Community Solar LLC	Saint Paul, MN	1 GWh	Dec 2019	Dec 2023	Solar
Stahl Wind Energy	Stahl Wind Energy, LLC (Longroad)	Pipestone, MN	4 GWh	Nov 2004	Jan 2023	Wind
USS Lake Patterson Solar CSG	Standard Solar	Cologne, MN	2 GWh	Jul 2019	Dec 2023	Solar
USS Monarch Solar LLC CSG	Standard Solar	Brooten, MN	2 GWh	Nov 2019	Dec 2023	Solar
USS Solar Way LLC CSG	Standard Solar	Hartland, MN	2 GWh	Oct 2020	Dec 2023	Solar
USS Solar Brick	Standard Solar	Standard City, IL	5 GWh	May 2021	Dec 2023	Solar
USS Haven Solar LLC CSG	Standard Solar	St. Cloud, MN	2 GWh	Oct 2019	Dec 2023	Solar
USS White Cloud LLC CSG	Standard Solar	St. Cloud, MN	2 GWh	Oct 2019	Dec 2023	Solar
USS Westeros Solar LLC CSG	Standard Solar	Belle Plaine, MN	2 GWh	May 2020	Dec 2023	Solar
USS Sunrise Solar LLC CSG	Standard Solar	Taylors Falls, MN	2 GWh	May 2020	Dec 2023	Solar
USS Milkweed Solar LLC CSG	Standard Solar	Paynesville, MN	2 GWh	May 2020	Dec 2023	Solar
USS Steamboat Solar LLC CSG	Standard Solar	Morgan, MN	2 GWh	Mar 2021	Dec 2023	Solar
USS Greenhouse Solar LLC CSG	Standard Solar	Pine Island, MN	1 GWh	Nov 2019	Dec 2023	Solar
USS Mayhew Solar LLC CSG	Standard Solar	Sauk Rapids, MN	2 GWh	May 2020	Dec 2023	Solar
USS Cheyenne Solar LLC CSG	Standard Solar	Chisago City, MN	2 GWh	Nov 2019	Dec 2023	Solar
USS B&B Solar LLC CSG	Standard Solar	Morgan, MN	2 GWh	Aug 2020	Dec 2023	Solar
USS Dot Com Solar LLC CSG	Standard Solar	Morgan, MN	2 GWh	Feb 2021	Dec 2023	Solar
USS Midtown Solar LLC CSG	Standard Solar	Melrose, MN	2 GWh	Nov 2019	Dec 2023	Solar
USS Webster Solar CSG	Standard Solar	Webster, MN	2 GWh	Apr 2019	Dec 2023	Solar
USS Turkey Solar LLC CSG	Standard Solar	Atwater, MN	2 GWh	Dec 2019	Dec 2023	Solar
USS Solar Sources LLC CSG	Standard Solar	Scandia, MN	2 GWh	Sep 2020	Dec 2023	Solar
USS Christoffer Solar LLC CSG	Standard Solar	Montevideo, MN	2 GWh	Aug 2020	Dec 2023	Solar
USS Kass Solar LLC	Standard Solar	Garvin, MN	2 GWh	Dec 2020	Dec 2023	Solar
USS Buckaroo Solar LLC CSG	Standard Solar	Glydon, MN	2 GWh	Sep 2020	Dec 2023	Solar
USS Horne North Solar LLC CSG	Standard Solar	Felton, MN	2 GWh	Sep 2020	Dec 2023	Solar
USS Horne South Solar LLC CSG	Standard Solar	Felton, MN	2 GWh	Sep 2020	Dec 2023	Solar
USS KVPV Solar LLC CSG	Standard Solar	Fulton, MN	2 GWh	Sep 2020	Dec 2023	Solar
USS JJ Clay Solar LLC CSG	Standard Solar	Felton, MN	2 GWh	Sep 2020	Dec 2023	Solar
USS Verde Solar LLC CSG	Standard Solar	Morgan, MN	2 GWh	Sep 2020	Dec 2023	Solar
USS Cougar Solar LLC CSG	Standard Solar	Morgan, MN	2 GWh	Aug 2020	Dec 2023	Solar
USS Flower Solar LLC CSG	Standard Solar	Nicollet, MN	2 GWh	Aug 2020	Dec 2023	Solar
USS All In Solar LLC CSG	Standard Solar	Hartland, MN	2 GWh	Sep 2020	Dec 2023	Solar
USS DVL Solar CSG	Standard Solar	Waconia, MN	2 GWh	Jul 2019	Dec 2023	Solar
USS Eggo Solar CSG	Standard Solar	Cologne, MN	2 GWh	May 2019	Dec 2023	Solar
USS King 2 CSG	Standard Solar	Waconia, MN	2 GWh	Jul 2019	Dec 2023	Solar
USS Kost Trail Solar CSG	Standard Solar	North Branch, MN	2 GWh	May 2019	Dec 2023	Solar
Wright Kirby 1-5 CSG	Standard Solar	Monticello, MN	9 GWh	May 2019	Dec 2023	Solar
USS Centerfield Solar CSG	Standard Solar	Webster, MN	2 GWh	Oct 2019	Dec 2023	Solar
Star Garden	Star Garden LLC	Starbuck, MN	2 GWh	Jan 2020	Dec 2023	Solar
State Farm	State Farm Insurance	Bloomington, IL	31 MWh	Sep 1996	Sep 2024	Distillate Fuel Oil
MNDOT Standby Generation	State of Minnesota Department of Administration	St. Paul, MN	30 MWh	Jun 1995	Sep 2024	Distillate Fuel Oil
Stearns Solar I	Stearns Solar I LLC	Albany, MN	2 GWh	Aug 2019	Dec 2023	Solar
Stevens Community Medical Center	Stevens Community Medical Center	Morris, MN	8 MWh	Apr 2004	Dec 2023	Distillate Fuel Oil
Stoneheart Solar, LLC	Stoneheart Solar, LLC	Saginaw, MI	4 GWh	Nov 2020	Dec 2023	Solar
Straight Garden Solar	Straight Garden LLC	Faribault, MN	2 GWh	Feb 2020	Dec 2023	Solar
Strandness Garden	Strandness Garden LLC	Starbuck, MN	2 GWh	Jan 2020	Dec 2023	Solar
Studenski Community Solar LLC CSG	Studenski Community Solar LLC	Sauk Rapids, MN	2 GWh	Mar 2021	Dec 2023	Solar
Sturgeon Garden	Sturgeon Garden LLC	Goodhue, MN	175 MWh	Nov 2023	Dec 2023	Solar
Stuttgart Solar	Stuttgart Solar, LLC	Stuttgart, AR	155 GWh	Dec 2017	Sep 2024	Solar
Sugar Creek Wind One LLC	Sugar Creek Wind One LLC	TBD, IL	641 GWh	Oct 2020	Sep 2024	Wind
Sullivan B Community Solar LLC	Sullivan B Community Solar LLC	Macomb, IL	2 GWh	Nov 2020	Dec 2023	Solar
California Ridge Wind Energy LLC	SunEdison LLC	Fithian, IL	740 GWh	Nov 2012	Sep 2024	Wind
Sunflower County	Sunflower County Solar Project, LLC	Ruleville, MS	144 GWh	Aug 2022	Aug 2024	Solar
Sunrise Community Solar	Sunrise Community Solar	North Branch, MN	8 GWh	Nov 2016	Dec 2023	Solar
Becker Solar 5 CSG	SunShare Management	St. Michael, MN	2 GWh	Feb 2019	Dec 2023	Solar
Becker Solar 3 CSG	SunShare Management	St. Michael, MN	1 GWh	Feb 2019	Dec 2023	Solar
Becker Solar 2 CSG	SunShare Management	St. Michael, MN	2 GWh	Feb 2019	Dec 2023	Solar
Becker Solar CSG	SunShare Management	St. Michael, MN	2 GWh	Feb 2019	Dec 2023	Solar
Becker Solar 4 CSG	SunShare Management	St. Michael, MN	2 GWh	Feb 2019	Dec 2023	Solar
WakeSun LLC	SunShare Management	Cold Spring, MN	5 GWh	Dec 2016	Dec 2023	Solar
BentonSun LLC	SunShare Management	Norwood Young America, MN	9 GWh	Nov 2016	Dec 2023	Solar
Linden 01 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2023	Solar
Linden 03 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2023	Solar
Linden 02 CSG	SunShare Management	Belle Plaine, MN	2 GWh	Apr 2020	Dec 2023	Solar
SV CSG Barrass Farms II LL	SV CSG Barrass Farms II LLC	Marion, IL	672 MWh	Aug 2023	Dec 2023	Solar
Svihel Community Solar LLC CSG	Svihel Community Solar LLC	Foley, MN	2 GWh	Mar 2021	Dec 2023	Solar
Swan Garden	Swan Garden LLC	Villard, MN	2 GWh	Sep 2021	Dec 2023	Solar
Grand Gulf	System Energy Resources, Inc	Port Gibson, MS	11 TWh	Jun 1985	Sep 2024	Nuclear
Tatanka Ridge	Tatanka Ridge LLC	Toronto, SD	600 GWh	Dec 2020	Sep 2024	Wind
Sagamore Plant Cogeneration	Tate & Lyle Ingredients Americas Inc	Lafayette, IN	27 GWh	Sep 1984	Sep 2024	Natural Gas
Taurus Community Solar	Taurus Community Solar	Montevideo, MN	5 GWh	Feb 2018	Dec 2023	Solar
Gaylord Container Bogalusa	Temple-Inland Corp	Bogalusa, LA	407 GWh	May 1979	Sep 2024	Black Liquor : 57.6% Wood/Wood Waste Solids : 35.2% Natural Gas : 7.2%
Indy Grocers	Terraform Arcadia	Indianapolis, IN	2 GWh	May 2015	Dec 2023	Solar
INDY III	Terraform Arcadia	Indianapolis, IN	3 GWh	Jul 2015	Dec 2023	Solar
IND Solar Farm (Phase IIA)	Terraform Arcadia	Indianapolis, IN	11 GWh	Nov 2014	Dec 2023	Solar
IND Community Solar Farm 1st Phase	Terraform Arcadia	Indianapolis, IN	15 GWh	Oct 2013	Dec 2022	Solar
Red Maple Solar	Terraform Arcadia	Cleveland, MN	5 GWh	May 2018	Dec 2023	Solar

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