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
TCI Alvar	Entergy New Orleans, LLC	New Orleans, LA	3 GWh	Mar 2019	Dec 2023	Solar
Tazewell Gas Recovery	WM Illinois Renewable Energy LLC	East Peoria, IL	14 GWh	Jun 1989	Dec 2023	Landfill Gas
Taylors Falls CSG	SoCore Energy LLC	Taylor Falls, MN	8 GWh	Dec 2017	Dec 2023	Solar
Taurus Community Solar	Taurus Community Solar	Montevideo, MN	5 GWh	Feb 2018	Dec 2023	Solar
Tatanka Wind Power LLC	Acciona Wind Energy USA LLC	Ashley, ND	279 GWh	Dec 2007	Aug 2024	Wind
Tatanka Wi	HQC Tatanka Wi Solar Power Generation LLC	Buffalo, MN	10 GWh	Nov 2017	Dec 2023	Solar
Tatanka Ridge	Tatanka Ridge LLC	Toronto, SD	581 GWh	Dec 2020	Aug 2024	Wind
Taft Cogeneration Facility	Occidental Chemical Corporation	Hahnville, LA	6 TWh	Jun 2002	Aug 2024	Natural Gas : 98.9% Other Gas : 1.1%
Taconite Ridge 1 Wind Energy Center	ALLETE, Inc.	Mountain Iron, MN	47 GWh	Apr 2008	Dec 2023	Wind
TAC-Distributed Energy Resource Hybrid	Ameren Illinois	Champaign, IL	266 MWh	Feb 2017	Dec 2023	Solar : 66.8% Wind : 33.2%
T Luhman CSG	Madison Energy Holdings LLC	Zumbrota, MN	2 GWh	Jul 2021	Dec 2023	Solar
T J Labbe Electric Generating	Lafayette Utilities System	Lafayette, LA	47 GWh	Jul 2005	Dec 2023	Natural Gas
T B Simon Power Plant	Michigan State University	East Lansing, MI	233 GWh	Nov 1965	Aug 2024	Natural Gas
Syncarpha Prinsburg CSG (Ledeboer)	Prinsburg CSG I, LLC	Prinsburg, MN	2 GWh	Nov 2018	Dec 2023	Solar
Syncarpha Dodge 1 CSG	Solar Provider Group MN I LLC	Dodge Center, MN	2 GWh	Apr 2019	Dec 2023	Solar
Syncarpha Clara City CSG I (Stamer)	Clara City CSG I, LLC	Clara City, MN	2 GWh	Nov 2018	Dec 2023	Solar
Sylvarena	Cooperative Energy	Raleigh, MS	281 GWh	Jun 2003	Dec 2023	Natural Gas
Sylvan Solar	ALLETE, Inc.	Pillager, MN	12 GWh	Jun 2023	Dec 2023	Solar
Sylvan	ALLETE, Inc.	Pillager, MN	8 GWh	Dec 1912	Dec 2023	Water
Syl Laskin	ALLETE, Inc.	Hoyt Lakes, MN	110 GWh	May 1953	Dec 2023	Natural Gas
Sycamore (WI)	Madison Gas & Electric Co	Madison, WI	229 MWh	Nov 1967	Dec 2023	Natural Gas
Sycamore (IA)	MidAmerican Energy Co	Johnston, IA	11 GWh	Jul 1974	Dec 2023	Natural Gas : 99.7%
Swan Garden	Swan Garden LLC	Villard, MN	2 GWh	Sep 2021	Dec 2023	Solar
Svihel Community Solar LLC CSG	Svihel Community Solar LLC	Foley, MN	2 GWh	Mar 2021	Dec 2023	Solar
SV CSG Barrass Farms II LL	SV CSG Barrass Farms II LLC	Marion, IL	672 MWh	Aug 2023	Dec 2023	Solar
Superior Falls	Northern States Power Co - Minnesota	Ironwood, MI	9 GWh	Dec 1916	Dec 2023	Water
Sunset Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2023	Wind
Sunrise Community Solar	Sunrise Community Solar	North Branch, MN	8 GWh	Nov 2016	Dec 2023	Solar
Sunflower County	Sunflower County Solar Project, LLC	Ruleville, MS	144 GWh	Aug 2022	Aug 2024	Solar
SunE Stolee CSG, LLC	Ecoplexus, Inc	Kenyon, MN	5 GWh	Feb 2018	Dec 2023	Solar
SunE Feely 1 CSG, LLC	Ecoplexus, Inc	Farmington, MN	8 GWh	Aug 2018	Dec 2023	Solar
Sun River LLC	CHI Operations Inc	Hendricks, MN	4 GWh	Jan 2001	Dec 2023	Wind
Sumrall II Solar Farm	Onward Energy	Sumrall, MS	100 GWh	Nov 2017	Aug 2024	Solar
Sumpter Energy Associates	EPP Renewable Energy	Belleville, MI	58 GWh	Jun 1992	Dec 2023	Landfill Gas
Sumpter	Wolverine Power Supply Coop	Belleville, MI	120 GWh	Jun 2002	Nov 2023	Natural Gas
Sumner	City of Sumner - (IA)	Sumner, IA	655 MWh	Jul 1956	Dec 2023	Distillate Fuel Oil
Summit Lake	Central Iowa Power Cooperative	Creston, IA	72 GWh	Feb 1951	Dec 2023	Natural Gas
Sullivan (IL)	City of Sullivan - (IL)	Sullivan, IL	214 MWh	May 1946	Aug 2024	Distillate Fuel Oil
Sullivan B Community Solar LLC	Sullivan B Community Solar LLC	Macomb, IL	2 GWh	Nov 2020	Dec 2023	Solar
Sugar Creek Wind One LLC	Sugar Creek Wind One LLC	TBD, IL	643 GWh	Oct 2020	Aug 2024	Wind
Sugar Creek Power	Northern Indiana Pub Serv Co	West Terre Haute, IN	3 TWh	May 2002	Aug 2024	Natural Gas
Stuttgart Solar	Stuttgart Solar, LLC	Stuttgart, AR	157 GWh	Dec 2017	Aug 2024	Solar
Sturgeon Garden	Sturgeon Garden LLC	Goodhue, MN	175 MWh	Nov 2023	Dec 2023	Solar
Studenski Community Solar LLC CSG	Studenski Community Solar LLC	Sauk Rapids, MN	2 GWh	Mar 2021	Dec 2023	Solar
Stuart (IA)	City of Stuart - (IA)	Stuart, IA	1 MWh	Jan 1956	Dec 2022	Distillate Fuel Oil
Stromland Solar	Greenbacker Renewable Energy Corporation	Cochrane, WI	6 GWh	Nov 2021	Dec 2023	Solar
Strobus	Greenbacker Renewable Energy Corporation	Merrillan, WI	3 GWh	Aug 2021	Dec 2023	Solar
Streeter Station	Cedar Falls Utilities	Cedar Falls, IA	7 GWh	Aug 1963	Dec 2023	Natural Gas : 97.5% Bituminous Coal : 2.5%
Strawberry Point DPC Solar	SoCore Energy LLC	Strawberry Point, IA	2 GWh	Oct 2017	Dec 2023	Solar
Strandness Garden	Strandness Garden LLC	Starbuck, MN	2 GWh	Jan 2020	Dec 2023	Solar
Straight Garden Solar	Straight Garden LLC	Faribault, MN	2 GWh	Feb 2020	Dec 2023	Solar
Story City Wind Project	Hamilton Wind Energy LLC	Story City, IA	3 GWh	Sep 2010	Dec 2023	Wind
Story City	City of Story City - (IA)	Story City, IA	233 MWh	Dec 1963	Dec 2023	Distillate Fuel Oil : 95.6% Natural Gas : 4.4%
Storm Lake II	ALLETE Clean Energy	Alta, IA	126 GWh	Mar 1999	Dec 2023	Wind
Storm Lake 1	ALLETE Clean Energy	Alta, IA	94 GWh	Apr 1999	Dec 2023	Wind
Stoney Corners Wind Farm	DTE Sustainable Generation	McBain, MI	110 GWh	Nov 2009	Dec 2023	Wind
Stoneray Power Partners, LLC	EDF Renewable Asset Holdings, Inc.	Woodstock, MN	317 GWh	Jan 2019	Aug 2024	Wind
Stoneheart Solar, LLC	Stoneheart Solar, LLC	Saginaw, MI	4 GWh	Nov 2020	Dec 2023	Solar
Stockton (MN)	Greenbacker Renewable Energy Corporation	Winona, MN	4 GWh	Oct 2021	Dec 2023	Solar
Stiles	Oconto Electric Cooperative	Oconto Falls, WI	5 GWh	Feb 1949	Dec 2023	Water
Stewart CSG1, LLC	Nautilus Solar Solutions	Stewart, MN	2 GWh	Jul 2021	Dec 2023	Solar
Stevens Point Mill	Pixelle Specialty Solution, LLC	Stevens Point, WI	14 GWh	Jan 2002	Dec 2023	Natural Gas
Stevens Point	Consolidated Water Power Co	Stevens Point, WI	24 GWh	Dec 1917	Dec 2023	Water
Stevens Community Solar LLC	Madison Energy Holdings LLC	Foley, MN	2 GWh	Sep 2020	Dec 2023	Solar
Stevens Community Medical Center	Stevens Community Medical Center	Morris, MN	8 MWh	Apr 2004	Dec 2023	Distillate Fuel Oil
Stearns Solar I	Stearns Solar I LLC	Albany, MN	2 GWh	Aug 2019	Dec 2023	Solar
Stearns Community Solar One LLC CSG	Madison Energy Holdings LLC	Albany, MN	2 GWh	Nov 2019	Dec 2023	Solar
Staunton	Cypress Creek Renewables	Brazil, IN	5 GWh	Nov 2018	Dec 2023	Solar
State Farm	State Farm Insurance	Bloomington, IL	27 MWh	Sep 1996	Aug 2024	Distillate Fuel Oil
State Center	City of State Center - (IA)	State Center, IA	53 MWh	Jul 1972	Dec 2023	Distillate Fuel Oil : 69.0% Natural Gas : 31.0%
State Auto Insurance	SLB Milbank LLC	Milbank, SD	14 MWh	Mar 2001	Dec 2022	Distillate Fuel Oil
Star Garden	Star Garden LLC	Starbuck, MN	2 GWh	Jan 2020	Dec 2023	Solar
Stahl Wind Energy	Stahl Wind Energy, LLC (Longroad)	Pipestone, MN	4 GWh	Nov 2004	Jan 2023	Wind
STAG St. Paul Project CSG	STAG St. Paul Community Solar LLC	Saint Paul, MN	1 GWh	Dec 2019	Dec 2023	Solar
St. Paul Intl Airport Red & Blue Parking	Metropolitan Airports Commission	St. Paul, MN	3 GWh	Nov 2015	Aug 2024	Solar
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. 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
St. Mary Clean Energy Center	Cleco Power LLC	Centerville, LA	219 GWh	Jul 2019	Dec 2023	Waste Heat
St Louis	City of St Louis - (MI)	St. Louis, MI	175 MWh	Dec 1918	Dec 2023	Water : 95.4% Distillate Fuel Oil : 4.6%
St. James Solar (LA)	St. James Solar, LLC	Vacherie, LA	39 GWh	Jan 2023	Dec 2023	Solar
St James	City of St James - (MN)	St James, MN	38 MWh	Jun 2002	Dec 2023	Distillate Fuel Oil
St Francisville Mill	Hood Container of Louisiana, LLC	St. Francisville, LA	116 GWh	Feb 1966	Dec 2023	Black Liquor : 56.5% Natural Gas : 43.5%
St Croix Falls	Northern States Power Co - Minnesota	St Croix Falls, WI	83 GWh	Dec 1909	Dec 2023	Water
St. Cloud Solar CSG	National Grid Renewables	St. Cloud, MN	8 GWh	Mar 2018	Dec 2023	Solar
St. Cloud Hydro	St. Cloud Hydroelectric Generation Facility	St Cloud, MN	37 GWh	May 1988	Dec 2023	Water
St Clair	DTE Electric Company	East China Twp, MI	290 MWh	Jul 1953	Aug 2024	Natural Gas
St. Charles Solar	Butter Solar, LLC	St Charles Township, MN	3 GWh	Aug 2019	Dec 2023	Solar
St. Charles Power Station (LA)	Entergy Louisiana LLC	La Place, LA	5 TWh	Apr 2019	Aug 2024	Natural Gas
St. Charles Power Plant	City of St Charles - (MN)	St. Charles, MN	82 MWh	Nov 2004	Dec 2023	Distillate Fuel Oil
St Bonifacius	Great River Energy	St. Bonifacius, MN	1 GWh	May 1978	Dec 2023	Distillate Fuel Oil
Spruce Ridge Gas Recovery	WM Renewable Energy LLC	Glencoe, MN	20 GWh	Mar 2008	Dec 2023	Landfill Gas
Springfield Solar (WI)	Wisconsin Power & Light Co	Lomira, WI	139 GWh	Nov 2023	Aug 2024	Solar
Springfield (MN)	Springfield Public Utils Comm - (MN)	Springfield, MN	40 MWh	May 1994	Dec 2023	Distillate Fuel Oil
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%
Spring Mill Solar RES	Hoosier Energy R E C, Inc	Mitchell, IN	1 GWh	Aug 2017	Dec 2023	Solar
Spooner Solar Array	AEP Onsite Partners, LLC	Spooner, WI	3 GWh	May 2019	Dec 2023	Solar
Spiritwood Station	Great River Energy	Spiritwood, ND	182 GWh	Oct 2014	Aug 2024	Natural Gas : 76.5% Refined Coal : 23.4%
Spica Community Solar	Spica Community Solar	Lake Lillian, MN	3 GWh	Jul 2017	Dec 2023	Solar
Spencer Gas Turbine	City of Spencer - (IA)	Spencer, IA	1 GWh	Dec 1969	Dec 2023	Kerosene

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