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
American Crystal Sugar East Grand Forks	American Crystal Sugar Co	East Grand Forks, MN	29 GWh	Aug 1990	Dec 2023	Subbituminous Coal
SAF Hydroelectric LLC	SAF Hydroelectric LLC	Minneapolis, MN	29 GWh	Nov 2011	Dec 2023	Water
Crane Solar Facility	Duke Energy Indiana, LLC	Crane, IN	29 GWh	Dec 2016	Dec 2023	Solar
Foote	Consumers Energy Co - (MI)	Oscoda, MI	29 GWh	Dec 1917	Dec 2023	Water
Adams Wind Farm	Consolidated Edison Development Inc.	Adams, MN	29 GWh	Aug 2003	Dec 2023	Wind
Duane Arnold Solar I (50 MW)	Interstate Power and Light Co	Palo, IA	29 GWh	-	Sep 2024	Solar
R M Heskett	Montana-Dakota Utilities Co	Mandan, ND	30 GWh	Oct 1954	Sep 2024	Natural Gas
White Rapids	Wisconsin Electric Power Co	Stephenson, MI	30 GWh	Sep 1927	Dec 2023	Water
BioTown Ag	Bio Town Biogas, LLC	Reynolds, IN	30 GWh	May 2011	Dec 2023	Other Biomass Gas
MMSD South Shore Wastewater	Milwaukee Metro Sewerage Dist	Oak Creek, WI	30 GWh	Jul 2000	Dec 2023	Other Biomass Gas : 76.4% Natural Gas : 23.6%
Chalk Hill	Wisconsin Electric Power Co	Stephenson, MI	30 GWh	Apr 1927	Dec 2023	Water
Prairie View I & II LFGTE	Wabash Valley Power Assn, Inc	Wyatt, IN	31 GWh	Sep 1994	Dec 2023	Landfill Gas
Hutchinson Plant #1	Hutchinson Utilities Comm	Hutchinson, MN	31 GWh	Dec 1957	Dec 2023	Natural Gas
Wheaton	Northern States Power Co - Minnesota	Eau Claire, WI	31 GWh	Dec 1972	Dec 2023	Distillate Fuel Oil : 58.1% Natural Gas : 41.9%
Cement City Solar, LLC	AES Distributed Energy	Cement City, MI	32 GWh	Dec 2022	Dec 2023	Solar
Michigamme Falls	Wisconsin Electric Power Co	Crystal Falls, MI	33 GWh	May 1953	Dec 2023	Water
Big Falls	Northern States Power Co - Minnesota	Glen Fora, WI	33 GWh	Dec 1921	Dec 2023	Water
Windom Wind Project	Midwest Power Partners LLC	Bingham Lake, MN	33 GWh	Feb 2006	Dec 2023	Wind
Ivanhoe Generation Facility	Orion Engineered Carbons	Franklin, LA	33 GWh	Mar 2023	Dec 2023	Waste Heat
Grand Rapids	Wisconsin Public Service Corp	Ingalls, MI	33 GWh	May 1918	Dec 2023	Water
Cedar Falls (WI)	Northern States Power Co - Minnesota	Menomonie, WI	33 GWh	Dec 1909	Dec 2023	Water
Du Bay	Consolidated Water Power Co	Eau Pleine, WI	33 GWh	Dec 1941	Dec 2023	Water
POET Biorefining - Shelbyville	POET Biorefing- Shelbyville	Shelbyville, IN	34 GWh	May 2020	Dec 2023	Natural Gas
Rapids Energy Center	ALLETE, Inc.	Grand Rapids, MN	34 GWh	Dec 1942	Dec 2023	Natural Gas : 77.3% Water : 22.7%
Odin Wind Farm LLC	NRG Energy Gas & Wind Holdings Inc	Mountainlake, MN	34 GWh	Apr 2008	Dec 2023	Wind
Demille Solar Farm	DTE Electric Company	Lapeer, MI	35 GWh	Apr 2017	Sep 2024	Solar
Hardin Hilltop Wind LLC	Junction Hilltop Management LLC	Jefferson, IA	35 GWh	Apr 2007	Dec 2023	Wind
Woodstock Windfarm	Consolidated Edison Development Inc.	Woodstock, MN	35 GWh	Apr 1999	Dec 2023	Wind
Deertrack Park Gas Recovery	WM Renewable Energy LLC	Watertown, WI	35 GWh	Jan 2006	Dec 2023	Landfill Gas
Pullman Solar, LLC	AES Distributed Energy	Lee Township, MI	36 GWh	Nov 2022	Dec 2023	Solar
Macbeth Solar	Macbeth Solar, LLC	Montague, MI	36 GWh	Apr 2022	Dec 2023	Solar
OREG 3 Inc	Ormat Nevada Inc	Trimont, MN	36 GWh	Jul 2010	Sep 2024	Waste Heat
New Orleans Solar Station	Entergy New Orleans, LLC	New Orleans, LA	36 GWh	Nov 2019	Dec 2023	Solar
Lyons Road	Lyons Road Solar, LLC	Owosso, MI	37 GWh	Dec 2021	Dec 2023	Solar
East. Michigan Univ. Heating Plant	East. Michigan Univ. Heating Plant	Ypsilanti, MI	37 GWh	Sep 1987	Dec 2023	Natural Gas
Ridgeview	WM Renewable Energy LLC	Whitelaw, WI	37 GWh	Aug 2002	Dec 2023	Landfill Gas
St. Cloud Hydro	St. Cloud Hydroelectric Generation Facility	St Cloud, MN	37 GWh	May 1988	Dec 2023	Water
Elk Mound	Dairyland Power Coop	Elk Mound, WI	37 GWh	May 2001	Nov 2023	Natural Gas : 99.8%
O'Brien Solar Fields	Madison Gas & Electric Co	Fitchburg, WI	37 GWh	Apr 2021	Dec 2023	Solar
Port Edwards Mill	Domtar Industries Inc	Port Edwards, WI	38 GWh	Dec 1912	Sep 2024	Water
Twin Falls (WI)	Wisconsin Electric Power Co	Florence, WI	38 GWh	Jun 2016	Dec 2023	Water
Glen Ullin Station 6	Montana-Dakota Utilities Co	Glen Ullin, ND	38 GWh	Jun 2009	Dec 2023	Waste Heat
Ergon Refining Vicksburg	Ergon Refining Inc	Vicksburg, MS	38 GWh	Feb 1995	Dec 2023	Natural Gas
Bingham Solar, LLC	National Grid Renewables	St. Johns, MI	38 GWh	Nov 2020	Dec 2023	Solar
Cascade Creek	Rochester Public Utilities	Rochester, MN	39 GWh	May 1975	Dec 2023	Natural Gas : 98.5% Distillate Fuel Oil : 1.5%
St. James Solar (LA)	St. James Solar, LLC	Vacherie, LA	39 GWh	Jan 2023	Dec 2023	Solar
Combined Locks	City of Kaukauna	Combined Locks, WI	39 GWh	Jan 1988	Dec 2023	Water
Interstate	City of Springfield - (IL)	Springfield, IL	40 GWh	Aug 1997	Dec 2023	Natural Gas : 99.9%
Olmsted Waste Energy	Olmsted County Public Works	Rochester, MN	40 GWh	Mar 1987	Dec 2023	Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9%
Coopersville	EDL Inc	Coopersville, MI	40 GWh	May 1994	Dec 2023	Landfill Gas
Remmel	Entergy Arkansas LLC	Malvern, AR	40 GWh	Dec 1924	Dec 2023	Water
Anheuser-Busch St Louis	Anheuser-Busch Inc	St. Louis, MO	40 GWh	Dec 1938	Sep 2024	Natural Gas : 92.2% Other Biomass Gas : 7.8%
Top of Iowa Windfarm III	Madison Gas & Electric Co	Kensett, IA	41 GWh	Jan 2008	Dec 2023	Wind
Pheasant Run Landfill Gas Recovery	WM Renewable Energy LLC	Bristol, WI	41 GWh	Jan 1992	Dec 2023	Landfill Gas
McClellan (AR)	Arkansas Electric Coop Corp	Camden, AR	41 GWh	Apr 1972	Dec 2023	Natural Gas
Wisconsin Rapids	Consolidated Water Power Co	Wisconsin Rapids, WI	41 GWh	Dec 1902	Dec 2023	Water
Temperance Solar, LLC	National Grid Renewables	Erie, MI	41 GWh	Nov 2020	Dec 2023	Solar
McClure Dam	Upper Peninsula Power Company	Marquette, MI	42 GWh	Jan 1988	Dec 2023	Water
Pinckneyville	Union Electric Co - (MO)	Pinckneyville, IL	42 GWh	May 2000	Dec 2023	Natural Gas
Arbor Hill Solar	MidAmerican Energy Co	Greenfield, IA	43 GWh	Dec 2021	Sep 2024	Solar
Harvest Gold Solar	Harvest Gold Solar Power, LLC	Indianola, MS	43 GWh	-	Sep 2024	Solar
American Crystal Sugar Drayton	American Crystal Sugar Co	Drayton, ND	43 GWh	Aug 1965	Dec 2023	Subbituminous Coal
Decorative Panels Intl	Decorative Panels International, Inc.	Alpena, MI	43 GWh	Oct 1957	Dec 2023	Natural Gas : 79.6% Wood/Wood Waste Solids : 20.4%
Dells	Northern States Power Co - Minnesota	Eau Claire, WI	43 GWh	Dec 1922	Dec 2023	Water
Lawrence County Station	Hoosier Energy R E C, Inc	Mitchell, IN	43 GWh	Apr 2005	Dec 2023	Natural Gas
Koda Biomass Plant	Koda Energy LLC	Shakopee, MN	43 GWh	Apr 2009	Dec 2023	Agricultural By-Products : 62.8% Wood/Wood Waste Solids : 27.0% Natural Gas : 10.1%
Brent Run Generating Station	EDL Inc	Montrose, MI	43 GWh	Dec 1997	Dec 2023	Landfill Gas
Hennepin Island	Northern States Power Co - Minnesota	Minneapolis, MN	43 GWh	Sep 1954	Dec 2023	Water
Zimmerman Energy	Landfill Energy Systems	Argos, IN	44 GWh	Oct 2014	Sep 2024	Landfill Gas
Metro Gas Recovery	WM Renewable Energy LLC	Franklin, WI	44 GWh	Nov 1985	Dec 2023	Landfill Gas
Community Wind South	Greenbacker Renewable Energy Corporation	Rushmore, MN	44 GWh	Nov 2012	Dec 2023	Wind
Otter Creek Ethanol Poet - Ashton	Otter Creek Ethanol LLC - Poet Ashton	Ashton, IA	45 GWh	Feb 2004	Sep 2024	Natural Gas
Hodenpyl	Consumers Energy Co - (MI)	Mesick, MI	45 GWh	Jun 1925	Dec 2023	Water
Waxdale	S.C. Johnson & Son, Inc.	Sturtevant, WI	46 GWh	Nov 2003	Sep 2024	Landfill Gas : 41.0% Natural Gas : 40.3% Wind : 12.6% Solar : 6.0%
Hargis-Hebert Electric Generating	Lafayette Utilities System	Lafayette, LA	46 GWh	May 2006	Dec 2023	Natural Gas
T J Labbe Electric Generating	Lafayette Utilities System	Lafayette, LA	47 GWh	Jul 2005	Dec 2023	Natural Gas
Louisiana Tech University Power Plant	Louisiana Tech University	Ruston, LA	47 GWh	Jun 2004	Dec 2023	Natural Gas
American Crystal Sugar Crookston	American Crystal Sugar Co	Crookston, MN	47 GWh	Aug 1954	Dec 2023	Subbituminous Coal
New Badger	City of Kaukauna	Kaukauna, WI	47 GWh	Dec 2013	Sep 2024	Water
Elk River	Great River Energy	Elk River, MN	47 GWh	Dec 1950	Aug 2024	Natural Gas : 99.8%
Taconite Ridge 1 Wind Energy Center	ALLETE, Inc.	Mountain Iron, MN	47 GWh	Apr 2008	Dec 2023	Wind
Fond Du Lac	ALLETE, Inc.	Duluth, MN	48 GWh	Dec 1923	Dec 2023	Water
Westside Energy Station	Rochester Public Utilities	Rochester, MN	48 GWh	Feb 2018	Dec 2023	Natural Gas
Port Allen (LA)	Placid Refining Co LLC	Port Allen, LA	49 GWh	Apr 1990	Dec 2023	Natural Gas
Weston RICE	Wisconsin Public Service Corp	Kronenwetter, WI	49 GWh	Jun 2023	Dec 2023	Natural Gas
Danielson Wind Farms LLC	BEAM US, LLC	Cosmos, MN	49 GWh	Feb 2011	Dec 2023	Wind
Cambridge CT Hybrid	Great River Energy	Cambridge, MN	49 GWh	Apr 1978	Dec 2023	Natural Gas : 99.4% Distillate Fuel Oil : 0.6%
McKinley Wind Park	DTE Electric Company	Pigeon, MI	49 GWh	Nov 2012	Sep 2024	Wind
Grant County Wind LLC	Grant County Wind, LLC	Woodstock, MN	51 GWh	Jul 2010	Dec 2023	Wind
Grand Blanc Generating Station	EDL Inc	Grand Blanc, MI	51 GWh	Jun 1994	Dec 2023	Landfill Gas
Peavy Falls	Wisconsin Electric Power Co	Crystal Falls, MI	51 GWh	Dec 1942	Dec 2023	Water
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%
Cedar Hills Wind Farm	Montana-Dakota Utilities Co	Rhame, ND	52 GWh	May 2010	Dec 2023	Wind
Winnebago Wind Power Project	Avangrid Renewables LLC	Forest City, IA	52 GWh	Aug 2008	Dec 2023	Wind
Adams Wind Generations LLC	BEAM US, LLC	Cosmos, MN	52 GWh	Feb 2011	Dec 2023	Wind
Victoria Dam	Upper Peninsula Power Company	Rockland, MI	53 GWh	Dec 1930	Dec 2023	Water
Shirley Wind	Duke Energy Renewables Services	Denmark, WI	53 GWh	Oct 2010	Dec 2023	Wind
Owatonna Energy Station	Southern Minnesota Mun P Agny	Owatonna, MN	54 GWh	Feb 2018	Dec 2023	Natural Gas
South Fork Wind Farm	South Fork Wind, LLC	Round Lake, MN	54 GWh	Nov 2016	Dec 2023	Wind
Kilbourn	Wisconsin Power & Light Co	Wisconsin Dells, WI	54 GWh	Jun 1926	Dec 2023	Water

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