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
Orion Community Solar	Orion Community Solar	St. Joseph, MN	5 GWh	Dec 2016	Dec 2023	Solar
Osage Dam	Union Electric Co - (MO)	Eldon, MO	176 GWh	Sep 1931	Dec 2023	Water
Osage (IA)	City of Osage - (IA)	Osage, IA	4 GWh	Aug 1963	Dec 2023	Wind : 73.8% Solar : 26.2%
Osceola Windpower II	Osceola Windpower II	Harris, IA	199 GWh	Aug 2008	Aug 2024	Wind
Otsego Mill Power Plant	Otsego Paper Inc	Otsego, MI	161 GWh	Oct 1995	Dec 2023	Natural Gas
Otter Creek Ethanol Poet - Ashton	Otter Creek Ethanol LLC - Poet Ashton	Ashton, IA	45 GWh	Feb 2004	Aug 2024	Natural Gas
Ottumwa	Interstate Power and Light Co	Ottumwa, IA	1 TWh	Apr 1981	Aug 2024	Subbituminous Coal : 99.3%
Ottumwa City of	Ottumwa City of	Ottumwa, IA	5 GWh	Jul 1931	Dec 2023	Water
Ouachita	Entergy Louisiana LLC	Sterlington, LA	5 TWh	Jul 2002	Aug 2024	Natural Gas
Overall Road Station	City of Farmington - (MO)	Farmington, MO	32 MWh	Feb 2003	Dec 2023	Distillate Fuel Oil
Owatonna	City of Owatonna - (MN)	Owatonna, MN	1 GWh	Mar 1982	Dec 2023	Natural Gas
Owatonna Energy Station	Southern Minnesota Mun P Agny	Owatonna, MN	54 GWh	Feb 2018	Dec 2023	Natural Gas
Oxbow Solar 1	Lightsource Renewable Energy Asset Management, LLC	New Roads, LA	123 GWh	-	Aug 2024	Solar
Packaging of America Tomahawk Mill	PCA-Tomahawk Mill	Tomahawk, WI	113 GWh	Dec 1919	Dec 2023	Natural Gas : 36.9% Wood/Wood Waste Solids : 34.9% Black Liquor : 15.8% Water : 12.0%
Paddock Solar	Wisconsin Power & Light Co	Beloit, WI	88 GWh	Oct 2023	Aug 2024	Solar
Palmer Community Solar LLC CSG	Palmer Community Solar LLC	North Branch, MN	2 GWh	Jul 2021	Dec 2023	Solar
Palo Alto Wind Farm	MidAmerican Energy Co	Emmetsburg, IA	1 TWh	Dec 2019	Aug 2024	Wind
Panora	City of Panora - (IA)	Panora, IA	6 MWh	Dec 1987	Dec 2023	Distillate Fuel Oil
Paris (WI)	Wisconsin Electric Power Co	Union Grove, WI	160 GWh	Feb 1995	Dec 2023	Natural Gas
Park Mill	Eagle Creek Renewable Energy, LLC	Marinette, WI	10 GWh	Dec 1919	Dec 2023	Water
Pastime Farm, LLC	Cypress Creek Renewables	Brazil, IN	9 GWh	Nov 2015	Dec 2023	Solar
Paulson Community (CSG)	Paulson Community Solar LLC	St. Peter, MN	2 GWh	Mar 2020	Dec 2023	Solar
Paynesville Community Solar	Paynesville Community Solar	Paynesville, MN	8 GWh	Nov 2016	Dec 2023	Solar
Paynesville CSG1, LLC	Nautilus Solar Solutions	Paynesville, MN	2 GWh	Dec 2020	Dec 2023	Solar
Paynesville Solar	Enel Green Power NA, Inc.	Paynesville, MN	20 GWh	Nov 2016	Dec 2023	Solar
PCA, Filer City Mill	PCA, Filer City Mill	Filer City, MI	97 GWh	Dec 1949	Aug 2024	Natural Gas
Pearl River Solar Park LLC	Pearl River Solar Park, LLC	Morton, MS	47 GWh	-	Aug 2024	Solar
Pearl Station	Prairie Power, Inc	Pearl, IL	64 MWh	May 1973	Dec 2023	Distillate Fuel Oil
Peavy Falls	Wisconsin Electric Power Co	Crystal Falls, MI	51 GWh	Dec 1942	Dec 2023	Water
Pegasus Community Solar	Pegasus Community Solar	Brooten, MN	3 GWh	Jul 2017	Dec 2023	Solar
Pegasus Wind	Pegasus Wind, LLC	Reese, MI	360 GWh	Nov 2019	Aug 2024	Wind
Pella Peaking	City of Pella - (IA)	Pella, IA	291 MWh	May 2003	Dec 2023	Distillate Fuel Oil
Peno Creek	Union Electric Co - (MO)	Bowling Green, MO	141 GWh	Apr 2002	Dec 2023	Natural Gas : 99.7%
Peoples Generating Station	North American Natural Res	Ann Arbor, MI	17 GWh	Aug 1995	Dec 2023	Landfill Gas
Pepin Garden	Pepin Garden LLC	Kellogg, MN	222 MWh	Oct 2023	Dec 2023	Solar
Perryville Power Station	Entergy Louisiana LLC	Sterlington, LA	4 TWh	May 2001	Aug 2024	Natural Gas
Peru 2	Indiana Municipal Power Agency	Peru, IN	18 GWh	Mar 2021	Dec 2023	Solar
Peru 3	Indiana Municipal Power Agency	Peru, IN	5 GWh	Sep 2022	Dec 2023	Solar
Peru (IL)	City of Peru - (IL)	City of Peru, IL	21 GWh	Sep 1968	Aug 2024	Water : 99.1% Distillate Fuel Oil : 0.7%
Peru (IN)	City of Peru - (IN)	Peru, IN	1 MWh	May 1949	Dec 2023	Distillate Fuel Oil
Petenwell	Wisconsin River Power Company	Necedah, WI	96 GWh	Jul 1949	Dec 2023	Water
Pheasant Run Landfill Gas Recovery	WM Renewable Energy LLC	Bristol, WI	41 GWh	Jan 1992	Dec 2023	Landfill Gas
Pheasant Run Wind LLC	Pheasant Run Wind LLC	Pigeon, MI	235 GWh	Nov 2013	Aug 2024	Wind
Phoenix Solar South Farms LLC Solar Farm	Phoenix Solar South Farms LLC	Champaign, IL	7 GWh	Nov 2015	Aug 2024	Solar
Pickford Solar	Heritage Sustainable Energy. LLC	Pickford, MI	9 GWh	Jan 2021	Dec 2023	Solar
Pierre Solar	Pierre Solar	Pierre, SD	17 MWh	Aug 2016	Dec 2023	Solar
Pike County Wind Power	Illinois Rural Electric Coop	Pittsfield, IL	2 GWh	Apr 2005	Dec 2023	Wind
Pillager	ALLETE, Inc.	Pillager, MN	6 GWh	Dec 1916	Dec 2023	Water
Pinckneyville	Union Electric Co - (MO)	Pinckneyville, IL	42 GWh	May 2000	Dec 2023	Natural Gas
Pinconning White Feather	EDL Inc	Pinconning, MI	17 GWh	Feb 2009	Dec 2023	Landfill Gas
Pine	Wisconsin Electric Power Co	Florence, WI	12 GWh	May 1922	Dec 2023	Water
Pine Bluff Energy Center	Pine Bluff Energy LLC	Pine Bluff, AR	1 TWh	Jul 2001	Aug 2024	Natural Gas
Pine Bluff Mill	Evergreen Packaging Inc	Pine Bluff, AR	289 GWh	Apr 1958	Dec 2023	Black Liquor : 80.1% Natural Gas : 19.9%
Pine Island Solar	Enel Green Power NA, Inc.	Pine Island, MN	8 GWh	Nov 2016	Dec 2023	Solar
Pine Island Solar CSG	Pine Island Holdco, LLC	Pine Island, MN	6 GWh	Jan 2017	Dec 2023	Solar
Pine River Wind Park	DTE Electric Company	Shepherd, MI	344 GWh	Feb 2019	Aug 2024	Wind
Pine Street	Village of Sebewaing - (MI)	Sebewaing, MI	25 GWh	May 1969	Dec 2023	Natural Gas
Pine Tree Acres	EPP Renewable Energy	Lenox Twp, MI	70 GWh	May 1998	Aug 2024	Landfill Gas
Pine Tree Acres WM LFGTE	WM Renewable Energy LLC	Lenox, MI	90 GWh	Feb 2012	Aug 2024	Landfill Gas
Pioneer Prairie Wind Farm	Pioneer Prairie Wind Farm I, LLC	McIntire, IA	831 GWh	Sep 2008	Aug 2024	Wind
Pioneer Trail Wind Farm, LLC	RWE Renewables Americas, LLC	Paxton, IL	434 GWh	Nov 2011	Dec 2023	Wind
Pipestone City Solar LLC CSG	REA Investments, LLC	Pipestone, MN	2 GWh	Jul 2021	Dec 2023	Solar
Pivot Energy Minnesota Solar 1	Pivot Energy	Clinton Falls, MN	919 MWh	May 2023	Dec 2023	Solar
Pivot Energy Minnesota Solar 10	Pivot Energy	Greenwald, MN	600 MWh	May 2023	Dec 2023	Solar
Plant 31 Paper Mill	Graphic Packaging International	West Monroe, LA	491 GWh	Dec 1963	Dec 2023	Natural Gas : 59.1% Black Liquor : 27.0% Wood/Wood Waste Solids : 13.9%
Plant Four	City of Marquette - (MI)	Marquette, MI	26 MWh	Apr 1979	Dec 2023	Distillate Fuel Oil
Plaquemine Cogeneration Plant	Dow Chemical Co	Plaquemine, LA	5 TWh	Feb 2004	Aug 2024	Natural Gas : 98.9% Other Gas : 1.1%
Plato CSG1, LLC	Nautilus Solar Solutions	Glencoe, MN	2 GWh	Dec 2020	Dec 2023	Solar
Platt Solar	Cannon River LLC	Hadley, MN	2 GWh	Dec 2022	Dec 2023	Solar
Pleasant Hill	MidAmerican Energy Co	Pleasant Hill, IA	17 GWh	May 1990	Dec 2023	Natural Gas : 98.7% Distillate Fuel Oil : 1.3%
Pleasant Valley (MN)	Great River Energy	Dexter, MN	104 GWh	Apr 2001	Dec 2023	Natural Gas : 99.6%
Pleasant Valley Wind Farm	Northern States Power Co - Minnesota	Dexter, MN	747 GWh	Jul 2015	Dec 2023	Wind
Plum Point Energy Station	NRG Energy Services - Plum Point	Osceola, AR	3 TWh	Aug 2010	Aug 2024	Subbituminous Coal : 99.7%
Plymouth Wind	MidAmerican Energy Co	Remsen, IA	778 GWh	Dec 2021	Aug 2024	Wind
Pocahontas Prairie Wind Farm	MidAmerican Energy Co	Pomeroy, IA	371 GWh	Jan 2012	Dec 2023	Wind
POET Biorefining Caro, LLC	POET Biorefining Caro, LLC	Caro, MI	16 GWh	May 2018	Dec 2023	Natural Gas
POET Biorefining - Chancellor	POET Biorefining- Chancellor	Chancellor, SD	23 GWh	Jul 2018	Dec 2023	Wood/Wood Waste Solids : 69.0% Natural Gas : 28.8% Landfill Gas : 2.2%
POET Biorefining - Gowrie	POET Biorefining - Gowrie	Gowrie, IA	18 GWh	Oct 2018	Dec 2023	Natural Gas
POET Biorefining-Hanlontown, LLC	POET Biorefining-Hanlontown, LLC	Hanlontown, IA	16 GWh	Dec 2018	Dec 2023	Natural Gas
POET Biorefining - Hudson	POET Biorefining - Hudson	Hudson, SD	18 GWh	Apr 2019	Dec 2023	Natural Gas
POET Biorefining - Jewell	POET Biorefining - Jewell	Jewell, IA	21 GWh	Feb 2019	Dec 2023	Natural Gas
POET Biorefining Lake Crystal	POET Biorefining Lake Crystal	Lake Crystal, MN	7 GWh	Mar 2005	Aug 2024	Natural Gas : 86.5% Distillate Fuel Oil : 13.5%
POET Biorefining LLC - Corning	POET Biorefining LLC - Corning	Corning, IA	15 GWh	Sep 2018	Dec 2023	Natural Gas
POET Biorefining - North Manchester, LLC	POET Biorefining - North Manchester, LLC	North Manchester, IN	19 GWh	May 2017	Dec 2023	Natural Gas
POET Biorefining - Shelbyville	POET Biorefing- Shelbyville	Shelbyville, IN	34 GWh	May 2020	Dec 2023	Natural Gas
Point Beach Nuclear Plant	NextEra Energy Point Beach LLC	Two Rivers, WI	10 TWh	May 1969	Aug 2024	Nuclear
Point Beach Solar	Point Beach Solar	Two Creeks, WI	199 GWh	Aug 2021	Aug 2024	Solar
Polaris Wind Park	DTE Electric Company	North Star Township, MI	419 GWh	Apr 2020	Aug 2024	Wind
Pomeroy Wind Farm	MidAmerican Energy Co	Fonda, IA	967 GWh	Nov 2007	Aug 2024	Wind
PopeSun CSG, LLC	Cypress Creek Renewables	Starbuck, MN	7 GWh	Nov 2017	Dec 2023	Solar
Port Allen (LA)	Placid Refining Co LLC	Port Allen, LA	49 GWh	Apr 1990	Dec 2023	Natural Gas
Port Arthur Texas Refinery	Total Petrochemicals USA Inc	Port Arthur, TX	235 GWh	Jul 1988	Dec 2023	Natural Gas
Port Edwards Mill	Domtar Industries Inc	Port Edwards, WI	36 GWh	Dec 1912	Aug 2024	Water
Port Washington Generating Station	Wisconsin Electric Power Co	Port Washington, WI	8 TWh	Jun 2005	Aug 2024	Natural Gas
Portage Solar	Ecos Energy LLC	Valparaiso, IN	2 GWh	Oct 2012	Dec 2023	Solar
Porter Way Community Solar Garden	AEP Onsite Partners, LLC	Waconia, MN	5 GWh	Jan 2018	Aug 2024	Solar
Portside Energy	Primary Energy Recycling Holdings, LLC	Portage, IN	232 GWh	Aug 1997	Dec 2023	Natural Gas
Potato Rapids	Wisconsin Public Service Corp	Town of Porterfield, WI	4 GWh	Apr 1921	Dec 2023	Water
PPG Plant C Caustic	Westlake 2 US LLC	Lake Charles, LA	6 GWh	Sep 1986	Dec 2023	Natural Gas
PPG Powerhouse C	Westlake 2 US LLC	Lake Charles, LA	1 TWh	Jul 1977	Aug 2024	Natural Gas : 98.3% Other Gas : 1.7%

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