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	631.0 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 \| 39.8% Coal \| 26.3% Wind \| 15.6% Nuclear \| 14% Solar \| 2.1% Water \| 1.7% Other Fuel \| 0.4%

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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
Spartan PV 1, LLC	NJR Clean Energy Ventures Corporation	East Lansing, MI	13 GWh	Nov 2017	Dec 2023	Solar
Spartan Hills LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2023	Wind
Southwestern Bell Telephone	AT&T	St. Louis, MO	47 MWh	Jan 1992	Aug 2024	Distillate Fuel Oil
Southern Minnesota Beet Sugar	Southern Minnesota Beet Sugar	Renville, MN	27 GWh	Aug 1976	Aug 2024	Subbituminous Coal : 72.1% Natural Gas : 26.4% Residual Fuel Oil : 1.5%
Southern Hills Wind Farm	MidAmerican Energy Co	Creston, IA	803 GWh	Feb 2021	Aug 2024	Wind
South Strawberry	City of Strawberry Point	Strawberry Point, IA	12 MWh	Dec 2001	Dec 2023	Distillate Fuel Oil
South Plant	Waverly Municipal Elec Utility	Waverly, IA	79 MWh	Apr 2000	Dec 2023	Distillate Fuel Oil
South Oak Creek	Wisconsin Electric Power Co	Oak Creek, WI	3 TWh	Nov 1959	Aug 2024	Subbituminous Coal : 99.3% Natural Gas : 0.7%
South Generation	Redwood Falls Public Util Comm	Redwood Falls, MN	194 MWh	Feb 2003	Dec 2023	Distillate Fuel Oil
South Garden	South Garden LLC	Winstead, MN	1 GWh	Jun 2023	Dec 2023	Solar
South Fork Wind Farm	South Fork Wind, LLC	Round Lake, MN	54 GWh	Nov 2016	Dec 2023	Wind
South Fond Du Lac	Wisconsin Power & Light Co	Fond du Lac, WI	14 GWh	Apr 1993	Dec 2023	Natural Gas : 99.8%
Solway CT	Otter Tail Power Co	Solway, MN	163 GWh	Apr 2003	Dec 2023	Natural Gas
Soliloquoy Ridge LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2023	Wind
SolarClub 35 LLC	Nautilus Solar Solutions	Mankato, MN	2 GWh	Nov 2020	Dec 2023	Solar
SolarClub 28 LLC	Nautilus Solar Solutions	Gaylord, MN	2 GWh	Nov 2020	Dec 2023	Solar
SolarClub 23 LLC	Nautilus Solar Solutions	La Crescent, MN	2 GWh	Nov 2020	Dec 2023	Solar
SolarClub 20 LLC	Nautilus Solar Solutions	Wabasha, MN	2 GWh	Nov 2020	Dec 2023	Solar
SolarClub 15 LLC	Nautilus Solar Solutions	Clear Lake, MN	2 GWh	Nov 2020	Dec 2023	Solar
SolarClub 10 LLC	Nautilus Solar Solutions	Monticello, MN	1 GWh	Nov 2020	Dec 2023	Solar
SolarClub 03	Nautilus Solar Solutions	Starbuck, MN	327 MWh	Aug 2023	Dec 2023	Solar
Solar Star Urbana Landfill East	Solar Star Urbana Landfill East, LLC	Urbana, IL	3 GWh	Sep 2021	Dec 2023	Solar
Solar Star Urbana Landfill Central	Solar Star Urbana Landfill Central, LLC	Urbana, IL	4 GWh	Oct 2021	Dec 2023	Solar
Sobania Community Solar LLC	Madison Energy Holdings LLC	Clear Lake, MN	2 GWh	Aug 2020	Dec 2023	Solar
SMMPA Methane Energy Facility	Southern Minnesota Mun P Agny	Mora, MN	1 GWh	Mar 2012	Dec 2023	Landfill Gas
Smithland Hydroelectric Plant	American Mun Power-Ohio, Inc	Smithland, KY	379 GWh	Jun 2017	Aug 2024	Water
Slocum	DTE Electric Company	Trenton, MI	96 MWh	Oct 1968	Nov 2023	Distillate Fuel Oil
Sleepy Eye	Sleepy Eye Public Utility Comm	Sleepy Eye, MN	66 MWh	Jun 1995	Dec 2023	Distillate Fuel Oil
Slayton Solar	Ecos Energy LLC	Slayton, MN	2 GWh	Dec 2012	Dec 2023	Solar
Sky Volt	Sky Volt, LLC	Greenfield, IA	4 GWh	Jul 2012	Dec 2023	Wind
Skalbeck Solar	Cascade Solar LLC	Sacred Heart, MN	3 GWh	Oct 2022	Dec 2023	Solar
SIUC	Southern Illinois University Carbondale	Carbondale, IL	3 GWh	May 1998	Aug 2024	Bituminous Coal
Sioux	Union Electric Co - (MO)	West Alton, MO	3 TWh	Apr 1967	Aug 2024	Subbituminous Coal : 77.8% Bituminous Coal : 22.0%
Silver Lake Garden	Excelsior Energy Capital	Waseca, MN	4 GWh	Dec 2020	Jan 2023	Solar
Silver Creek	Cooperative Energy	Prentiss, MS	210 GWh	May 2003	Dec 2023	Natural Gas
Sigel Wind Park	DTE Electric Company	Harbor Beach, MI	236 GWh	Nov 2012	Aug 2024	Wind
Siems Solar Project CSG	Siems Community Solar LLC	Mazeppa, MN	2 GWh	Jul 2020	Dec 2023	Solar
Sidney A Murray Jr Hydroelectric	First National Bank-Commerce	Vidalia, LA	708 GWh	Apr 1990	Dec 2023	Water
Sibley One	City of Sibley - (IA)	Sibley, IA	16 MWh	Aug 1971	Dec 2023	Distillate Fuel Oil : 54.7% Natural Gas : 45.3%
Sibley No Two	City of Sibley - (IA)	Sibley, IA	18 MWh	Nov 1987	Dec 2023	Distillate Fuel Oil : 69.9% Natural Gas : 30.1%
Shirley Wind	Duke Energy Renewables Services	Denmark, WI	53 GWh	Oct 2010	Dec 2023	Wind
Shipsterns Solar, LLC	Shipsterns Solar, LLC	Albion, MI	1 GWh	Sep 2023	Dec 2023	Solar
Sheridan School Corporation Solar	Johnson Melloh Solutions	Sheridan, IN	2 GWh	May 2016	Dec 2023	Solar
Sherburne North Project CSG	MN Solar Community, LLC	St. Cloud, MN	9 GWh	Jun 2018	Dec 2023	Solar
Sherburne County	Northern States Power Co - Minnesota	Becker, MN	7 TWh	Mar 1976	Aug 2024	Subbituminous Coal : 99.8%
Sherburne Community Solar One LLC CSG	Madison Energy Holdings LLC	Saint Cloud, MN	2 GWh	Nov 2019	Dec 2023	Solar
Sherburne Community Solar	AEP Onsite Partners, LLC	Clear Lake, MN	7 GWh	Feb 2018	Aug 2024	Solar
Shenandoah	MidAmerican Energy Co	Shenandoah, IA	78 MWh	Mar 2000	Dec 2023	Distillate Fuel Oil
Shell Chemical	Shell Chemical LP - Geismar	Geismar, LA	560 GWh	Jul 2002	Dec 2023	Natural Gas
Sheboygan Falls	Wisconsin Power & Light Co	Sheboygan, WI	547 GWh	May 2005	Dec 2023	Natural Gas
Shaokatan Hills LLC	Shaokatan Hills, LLC (Longroad)	Hendricks, MN	15 GWh	Jul 1999	Dec 2023	Wind
Shane's Wind Machine	Shane's Wind Machine LLC	Ruthton, MN	5 GWh	Jun 2006	Dec 2023	Wind
Shamrock Solar LLC	Greenbacker Renewable Energy Corporation	Black River Falls, WI	6 GWh	Nov 2021	Dec 2023	Solar
Shakopee Met Council WTP	Oak Leaf Solar V LLC	Shakopee, MN	2 GWh	Feb 2016	Dec 2023	Solar
Shakopee Energy Park	Minnesota Municipal Power Agny	Shakopee, MN	25 GWh	Jan 2017	Dec 2023	Natural Gas
Severson Garden	Severson HoldCo LLC	Waseca, MN	2 GWh	Sep 2020	Dec 2023	Solar
Settlers Trail Wind Farm LLC	RWE Renewables Americas, LLC	Sheldon, IL	321 GWh	Sep 2011	Dec 2023	Wind
Security	TX LFG Energy, LP	Cleveland, TX	15 GWh	Feb 2003	Dec 2023	Landfill Gas
Searcy Solar Hybrid	Searcy Solar, LLC	Searcy, AR	208 GWh	Dec 2021	Aug 2024	Solar
SCS West Fairchild 011958 Danville, LLC	Sol Systems	Danville, IL	3 GWh	Jun 2021	Dec 2023	Solar
SCS Galena 012589 Peoria, LLC	Sol Systems	Peoria, IL	4 GWh	Nov 2021	Dec 2023	Solar
SCS COUNTY 012631 Champaign, LLC	Sol Systems	Champaign, IL	4 GWh	Aug 2021	Dec 2023	Solar
SCS American Bottoms 009885 Sauget, LLC	Sol Systems	Sauget, IL	3 GWh	Jul 2020	Dec 2023	Solar
Scottsburg Solar Park	Indiana Municipal Power Agency	Scottsburg, IN	12 GWh	Sep 2020	Dec 2023	Solar
Scotland Solar RES	Hoosier Energy R E C, Inc	Newberry, IN	2 GWh	Oct 2015	Dec 2023	Solar
Schwinghamer Project CSG	Schwinghamer Community Solar LLC	Albany, MN	2 GWh	Nov 2019	Dec 2023	Solar
Schultz CSG	DG Minnesota CSG, LLC	Webster, MN	3 GWh	Oct 2018	Dec 2023	Solar
Schulte 2 Community Solar	Schulte 2 Community Solar	Lacon, IL	4 GWh	Nov 2020	Dec 2023	Solar
Schull CSG	Schull CSG LLC	Mapleton, MN	2 GWh	Oct 2021	Dec 2023	Solar
Schueler Community Solar	Schueler Community Solar LLC	Annandale, MN	2 GWh	Jul 2020	Dec 2023	Solar
School Sisters CSG	School Sisters CSG LLC	Mankato, MN	2 GWh	Apr 2018	Dec 2023	Solar
Scanlon	ALLETE, Inc.	Scanlon, MN	6 GWh	Dec 1922	Dec 2023	Water
Scandia CSG	DG Minnesota CSG, LLC	Scandia, MN	8 GWh	Dec 2017	Dec 2023	Solar
Scandia Community Solar Garden	Scandia CSG LLC	Scandia, MN	4 GWh	Jun 2018	Dec 2023	Solar
Saxon Falls	Northern States Power Co - Minnesota	Saxon, WI	9 GWh	Dec 1912	Dec 2023	Water
Sauk DPC Solar	SoCore Energy LLC	Wonewoc, WI	1 GWh	Dec 2016	Dec 2023	Solar
Sartell Holdco CSG	Sartell Holdco LLC	Sartell, MN	9 GWh	Apr 2019	Dec 2023	Solar
Sartell Dam	Eagle Creek Renewable Energy, LLC	Sartell, MN	20 GWh	Feb 1985	Dec 2023	Water
Saratoga Wind Farm	Madison Gas & Electric Co	Lime Springs, IA	275 GWh	Jan 2019	Aug 2024	Wind
Sappi Cloquet Mill	Sappi Cloquet LLC	Cloquet, MN	469 GWh	Dec 1928	Aug 2024	Black Liquor : 66.0% Wood/Wood Waste Solids : 17.6% Natural Gas : 11.4% Water : 4.3% Sludge Waste : 0.6%
Sapphire Sky Wind Energy LLC	Invenergy Services LLC	Farmer City, IL	931 GWh	Nov 2021	Aug 2024	Wind
Sandstone Rapids	Wisconsin Public Service Corp	Town of Stephenson, WI	8 GWh	Dec 1924	Dec 2023	Water
Sandoval	Sandoval Holdco, LLC	Centralia, IL	5 GWh	Feb 2021	Dec 2023	Solar
Sand Lake DPC Solar	SoCore Energy LLC	Centuria, WI	2 GWh	Oct 2017	Dec 2023	Solar
San Jacinto County Peaking Facility	East Texas Electric Coop, Inc	Shepherd, TX	115 GWh	Jun 2001	Dec 2023	Natural Gas
Sam Rayburn Dam	USACE-Fort Worth District	Jasper, TX	107 GWh	Aug 1965	Dec 2023	Water
Saint Marys Hospital Power Plant	St Mary's Hospital	Rochester, MN	52 GWh	Dec 1970	Aug 2024	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Saint Marys Falls	USACE-Detroit District	Sault Ste. Marie, MI	163 GWh	Jun 1932	Dec 2023	Water
Sagitta Community Solar	National Grid Renewables	Clara City, MN	2 GWh	Nov 2018	Dec 2023	Solar
Sagamore Plant Cogeneration	Tate & Lyle Ingredients Americas Inc	Lafayette, IN	27 GWh	Sep 1984	Aug 2024	Natural Gas
SAF Hydroelectric LLC	SAF Hydroelectric LLC	Minneapolis, MN	29 GWh	Nov 2011	Dec 2023	Water
Sacred Heart CSG1, LLC	Nautilus Solar Solutions	Sacred Heart, MN	2 GWh	Jul 2021	Dec 2023	Solar
Sac County Wind, LLC	Sac County Wind	Sac City, IA	339 GWh	Nov 2021	Aug 2024	Wind
Sabine River Operations	The Dow Chemical Company	Orange, TX	2 TWh	Dec 1947	Aug 2024	Natural Gas : 99.6%
Sabine	Entergy Texas Inc.	Orange, TX	3 TWh	Dec 1961	Aug 2024	Natural Gas
SABIC Innovative Plastics Mt. Vernon	SABIC IP Mt. Vernon, LLC	Mount Vernon, IN	516 GWh	May 1996	Aug 2024	Natural Gas
S&P Windfarm LLC	Brewster	Brewster, MN	5 GWh	Nov 2003	Dec 2023	Wind
Ruthton Ridge LLC	CHI Operations Inc	Lake Benton, MN	5 GWh	Dec 2000	Dec 2023	Wind
Rushford Village	Greenbacker Renewable Energy Corporation	Rushford Village, MN	2 GWh	Oct 2021	Dec 2023	Solar
Rush Island	Union Electric Co - (MO)	Festus, MO	573 GWh	Feb 1976	Aug 2024	Subbituminous Coal : 98.1% Distillate Fuel Oil : 1.9%

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	894.0 GWh	4
#26	Associated Electric Cooperative, Inc.	22.7 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	33.2 TWh	20
#1	PJM Interconnection, LLC	843.8 TWh	2,305
#21	Public Service Company of Colorado	45.1 TWh	201
#5	Southwest Power Pool	290.4 TWh	762
#53	Southwestern Power Administration	3.5 TWh	31
#9	Tennessee Valley Authority	157.5 TWh	170

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	843.8 TWh	2,305
#2	Midcontinent Independent System Operator, Inc.	631.0 TWh	2,653
#3	Electric Reliability Council of Texas, Inc.	461.0 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	247.9 TWh	393
#7	California Independent System Operator	191.5 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.7 TWh	159
#12	New York Independent System Operator	130.0 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556