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
E D Edwards	Illinois Power Resources Generating LLC	Bartonville, IL	3 TWh	Apr 1960	Dec 2022	Subbituminous Coal : 99.9%
Viking Wind Partners	ALLETE Clean Energy	Lake Wilson, MN	8 GWh	Nov 2003	Dec 2022	Wind
Moreau	Union Electric Co - (MO)	Moreau, MO	2 GWh	Jul 1978	Dec 2022	Distillate Fuel Oil
ENO Paterson Solar	Entergy New Orleans, LLC	New Orleans, LA	184 MWh	May 2016	Dec 2022	Solar
Cheboygan	Great Lakes Tissue Co	Cheboygan, MI	6 GWh	Oct 1984	Dec 2022	Water
ERDC	Entergy Texas Inc.	Vicksburg, MS	2 MWh	Sep 2021	Dec 2022	Natural Gas
Allendorf	E&E Enterprises LLC	Allendorf, IA	2 GWh	Sep 1998	Dec 2022	Wind
Fairgrounds	Union Electric Co - (MO)	Jefferson City, MO	1 GWh	Jul 1974	Dec 2022	Distillate Fuel Oil
Kankakee 2	Kankakee Solar 2 LLC	Bourbonnais, IL	221 MWh	Jul 2022	Dec 2022	Solar
UMM Wind Turbine	University of Minnesota Morris Campus	Morris, MN	4 GWh	May 2011	Dec 2022	Wind
Trenton Channel	DTE Electric Company	Trenton, MI	575 GWh	May 1949	Dec 2022	Subbituminous Coal : 90.0% Bituminous Coal : 9.4% Distillate Fuel Oil : 0.6%
Grundy Center City Light Plant	Grundy Center Mun Light & Power	Grundy Center, IA	388 MWh	Oct 1963	Dec 2022	Distillate Fuel Oil
Chalmette Refining LLC	Chalmette Refining LLC	Chalmette, LA	7 GWh	Feb 1990	Dec 2022	Other Fuel
Chanarambie Power Partners, LLC	ALLETE Clean Energy	Lake Wilson, MN	103 GWh	Nov 2003	Dec 2022	Wind
State Auto Insurance	SLB Milbank LLC	Milbank, SD	14 MWh	Mar 2001	Dec 2022	Distillate Fuel Oil
IND Community Solar Farm 1st Phase	Terraform Arcadia	Indianapolis, IN	15 GWh	Oct 2013	Dec 2022	Solar
Crawfordsville 2 Solar Park	Indiana Municipal Power Agency	Crawfordsville, IN	11 GWh	Nov 2019	Dec 2022	Solar
Rockford	City of Rockford- (IA)	Rockford, IA	14 MWh	Jul 1951	Dec 2022	Distillate Fuel Oil
Connexus Solar Stanford 1STF	REA Investments, LLC	St. Francis, MN	13 GWh	Apr 2021	Dec 2022	Solar
Stuart (IA)	City of Stuart - (IA)	Stuart, IA	1 MWh	Jan 1956	Dec 2022	Distillate Fuel Oil
Stahl Wind Energy	Stahl Wind Energy, LLC (Longroad)	Pipestone, MN	4 GWh	Nov 2004	Jan 2023	Wind
Silver Lake Garden	Excelsior Energy Capital	Waseca, MN	4 GWh	Dec 2020	Jan 2023	Solar
Tofteland Windfarm LLC	Tofteland Windfarm LLC	Pipestone, MN	9 GWh	Sep 2003	Jan 2023	Wind
Westridge Windfarm LLC	Westridge Windfarm LLC	Woodstock, MN	4 GWh	Oct 2003	Jan 2023	Wind
University of Iowa Main Power Plant	University of Iowa	Iowa City, IA	49 GWh	Dec 1946	Feb 2023	Natural Gas : 56.3% Bituminous Coal : 21.0% Wood/Wood Waste Solids : 13.4% Other Biomass Solids : 9.4%
Meramec	Union Electric Co - (MO)	St. Louis, MO	165 GWh	Apr 1953	May 2023	Natural Gas : 66.6% Subbituminous Coal : 33.4%
Lansing	Interstate Power and Light Co	Lansing, IA	632 GWh	Dec 1969	May 2023	Subbituminous Coal : 99.7%
Toledo Bend	Entergy Texas Inc.	Burkville, TX	232 GWh	Jan 1969	May 2023	Water
Ada Dam	Eagle Creek Renewable Energy, LLC	Ada, MI	2 GWh	Feb 1984	Jun 2023	Water
M. G. Emmett J. Bean Federal Center	U.S. General Services Administration	Indianapolis, IN	41 MWh	Mar 2011	Jul 2023	Solar
Cascade Dam	Eagle Creek Renewable Energy, LLC	Grand Rapids, MI	4 GWh	Nov 1986	Jul 2023	Water
Lake Catherine	Entergy Arkansas LLC	Jones Mill, AR	174 GWh	Mar 1970	Aug 2023	Natural Gas
Big Quinnesec 61	Wisconsin Electric Power Co	Iron Mountain, MI	3 GWh	Apr 1914	Aug 2023	Water
Hancock	DTE Electric Company	Commerce Twp, MI	11 GWh	Mar 1966	Aug 2023	Natural Gas
IMPA Rensselaer Solar Park	Indiana Municipal Power Agency	Rensselaer, IN	1 GWh	Apr 2014	Aug 2023	Solar
Freedom Power Project	Southwestern Electric Coop Inc - (IL)	St. Elmo, IL	2 GWh	May 2000	Aug 2023	Natural Gas
Lime Creek	Interstate Power and Light Co	Mason City, IA	1 GWh	Apr 1991	Aug 2023	Distillate Fuel Oil
Koppelman Sun CSG	National Grid Renewables	Eagle Lake, MN	8 GWh	Oct 2017	Aug 2023	Solar
L L Wilkins	Clarksdale Public Utilities	Clarksdale, MS	90 MWh	Sep 1961	Sep 2023	Natural Gas
Bay Windpower I	Crystal Flash Renewable Energy LLC dba Bay Windpower LLC	Mackinaw City, MI	2 GWh	Nov 2001	Sep 2023	Wind
Ames GT	City of Ames - (IA)	Ames, IA	2 GWh	Apr 1972	Sep 2023	Distillate Fuel Oil
Gerald Andrus	Entergy Mississippi LLC	Greenville, MS	222 GWh	Dec 1974	Sep 2023	Natural Gas
MSC-Empire01, LLC	MSC-Empire01, LLC	Farmington, MN	236 MWh	Jul 2019	Oct 2023	Solar
Maple Lake	Great River Energy	Maple Lake, MN	622 MWh	Apr 1978	Oct 2023	Distillate Fuel Oil
Novel Herickhoff Solar CSG	REA Investments, LLC	Osakis, MN	2 GWh	Mar 2020	Oct 2023	Solar
East Chicago	Altus Power America Management, LLC	East Chicago, IN	3 GWh	Feb 2013	Nov 2023	Solar
Slocum	DTE Electric Company	Trenton, MI	96 MWh	Oct 1968	Nov 2023	Distillate Fuel Oil
Sumpter	Wolverine Power Supply Coop	Belleville, MI	120 GWh	Jun 2002	Nov 2023	Natural Gas
Audrain Generating Station	Union Electric Co - (MO)	Vandalia, MO	197 GWh	Jan 2001	Nov 2023	Natural Gas
Calcasieu	Entergy Louisiana LLC	Sulphur, LA	104 GWh	Apr 2000	Nov 2023	Natural Gas
Minnesota River	Minnesota Municipal Power Agny	Chaska, MN	7 GWh	Apr 2001	Nov 2023	Natural Gas
Elk Mound	Dairyland Power Coop	Elk Mound, WI	37 GWh	May 2001	Nov 2023	Natural Gas : 99.8%
Noble Ridge LLC	RENEW Energy Inc	Wilmont, MN	81 MWh	Nov 2001	Nov 2023	Wind
Gibson City Energy Center LLC	Earthrise Energy, PBC	Gibson City, IL	76 GWh	May 2000	Nov 2023	Natural Gas
Novel Schroeder Solar LLC CSG	REA Investments, LLC	Renville, MN	2 GWh	Dec 2022	Nov 2023	Solar
Carpenter	Entergy Arkansas LLC	Hot Springs, AR	151 GWh	Dec 1931	Dec 2023	Water
McClellan (AR)	Arkansas Electric Coop Corp	Camden, AR	41 GWh	Apr 1972	Dec 2023	Natural Gas
Mio	Consumers Energy Co - (MI)	Mio, MI	10 GWh	Dec 1915	Dec 2023	Water
Prairie River	ALLETE, Inc.	Grand Rapids, MN	2 GWh	Mar 1920	Dec 2023	Water
Rockton	Eagle Creek Renewable Energy, LLC	Rockton, IL	6 GWh	Dec 1928	Dec 2023	Water
Venice	Union Electric Co - (MO)	Venice, IL	14 GWh	May 2002	Dec 2023	Natural Gas
Breese	City of Breese - (IL)	Breese, IL	264 MWh	Nov 1953	Dec 2023	Distillate Fuel Oil
Bushnell	City of Bushnell - (IL)	Bushnell, IL	36 MWh	May 1940	Dec 2023	Distillate Fuel Oil
Marshall (IL)	City of Marshall - (IL)	Marshall, IL	202 MWh	Mar 2002	Dec 2023	Distillate Fuel Oil
Princeton (IL)	City of Princeton - (IL)	Princeton, IL	1 GWh	Jun 1953	Dec 2023	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Red Bud	City of Red Bud - (IL)	Red Bud, IL	123 MWh	Feb 1959	Dec 2023	Distillate Fuel Oil
Manistique	Cloverland Electric Co-op	Manistique, MI	977 MWh	Jun 1960	Dec 2023	Distillate Fuel Oil
Reynolds	City of Springfield - (IL)	Springfield, IL	66 MWh	Oct 1970	Dec 2023	Distillate Fuel Oil
Delray	DTE Electric Company	Detroit, MI	21 GWh	Jan 2000	Dec 2023	Natural Gas
Waterloo	City of Waterloo - (IL)	Waterloo, IL	462 MWh	May 1946	Dec 2023	Natural Gas : 73.4% Distillate Fuel Oil : 26.6%
Foote	Consumers Energy Co - (MI)	Oscoda, MI	29 GWh	Dec 1917	Dec 2023	Water
Peru (IN)	City of Peru - (IN)	Peru, IN	1 MWh	May 1949	Dec 2023	Distillate Fuel Oil
Marshalltown	Interstate Power and Light Co	Marshalltown, IA	122 GWh	May 1978	Dec 2023	Natural Gas
Northeast (MI)	DTE Electric Company	Warren, MI	2 GWh	Apr 1966	Dec 2023	Natural Gas : 76.9% Distillate Fuel Oil : 23.1%
Coralville GT	MidAmerican Energy Co	Coralville, IA	1 GWh	May 1970	Dec 2023	Natural Gas
Webber	Consumers Energy Co - (MI)	Lyons, MI	11 GWh	Dec 1906	Dec 2023	Water
River Hills	MidAmerican Energy Co	Des Moines, IA	2 GWh	Apr 1966	Dec 2023	Natural Gas
Rogers	Consumers Energy Co - (MI)	Big Rapids, MI	23 GWh	Dec 1921	Dec 2023	Water
Merl Parr	MidAmerican Energy Co	Charles City, IA	756 MWh	Apr 1969	Dec 2023	Natural Gas
Keokuk	Union Electric Co - (MO)	Keokuk, IA	835 GWh	Jul 1913	Dec 2023	Water
Ames Electric Services Power Plant	City of Ames - (IA)	Ames, IA	329 GWh	Apr 1968	Dec 2023	Natural Gas : 90.5% Other Biomass Solids : 9.5%
Anita	City of Anita - (IA)	Anita, IA	12 MWh	Sep 1939	Dec 2023	Distillate Fuel Oil
Atlantic	Atlantic Municipal Utilities	Atlantic, IA	115 MWh	Aug 1966	Dec 2023	Natural Gas : 91.4% Distillate Fuel Oil : 8.6%
Bancroft	Bancroft Municipal Utilities	Bancroft, IA	320 MWh	Dec 1947	Dec 2023	Distillate Fuel Oil
Bellevue	City of Bellevue - (IA)	Bellevue, IA	52 MWh	Jun 1947	Dec 2023	Distillate Fuel Oil
Brooklyn	City of Brooklyn - (IA)	Brooklyn, IA	6 MWh	Aug 2012	Dec 2023	Distillate Fuel Oil
Cascade	Cascade Municipal Utilities	Cascade, IA	3 MWh	Mar 1951	Dec 2023	Distillate Fuel Oil
Streeter Station	Cedar Falls Utilities	Cedar Falls, IA	7 GWh	Aug 1963	Dec 2023	Natural Gas : 97.5% Bituminous Coal : 2.5%
Spencer Gas Turbine	City of Spencer - (IA)	Spencer, IA	1 GWh	Dec 1969	Dec 2023	Kerosene
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%
Sumner	City of Sumner - (IA)	Sumner, IA	655 MWh	Jul 1956	Dec 2023	Distillate Fuel Oil
Traer Main	City of Traer - (IA)	Traer, IA	7 MWh	Dec 1962	Dec 2023	Distillate Fuel Oil : 93.4% Natural Gas : 6.6%
Villisca Municipal Power Plant	City of Villisca - (IA)	Villisca, IA	13 MWh	May 2003	Dec 2023	Distillate Fuel Oil
Webster City	City of Webster City - (IA)	Webster City, IA	2 GWh	Mar 1972	Dec 2023	Distillate Fuel Oil
West Bend	City of West Bend	West Bent, IA	471 MWh	Nov 1954	Dec 2023	Distillate Fuel Oil
West Liberty	City of West Liberty - (IA)	West Liberty, IA	39 MWh	Sep 1974	Dec 2023	Distillate Fuel Oil
Wilton	City of Wilton - (IA)	Wilton, IA	37 MWh	Dec 1991	Dec 2023	Distillate Fuel Oil
Winterset	City of Winterset - (IA)	Winterset, IA	115 MWh	Jun 1956	Dec 2023	Distillate Fuel Oil : 61.6% Natural Gas : 38.4%
Summit Lake	Central Iowa Power Cooperative	Creston, IA	72 GWh	Feb 1951	Dec 2023	Natural Gas
Robert A Reid	Big Rivers Electric Corp	Robards, KY	6 GWh	Dec 1965	Dec 2023	Natural Gas

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