New York Independent System Operator

Balancing Authority Summary Information

New York Independent System Operator is ranked #12 out of 65 balancing authorities in terms of total annual electricity generation.

Balancing Authority	New York Independent System Operator
States	New Jersey New York
Last Update	Dec 2024
Annual Generation	129.7 TWh
Power Plants	1,100
Utilities	542
Ranked #12 out of 65 in terms of net annual generation
Ranked #10 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 51.5% Water \| 20.7% Nuclear \| 19.9% Wind \| 4.6% Other Fuel \| 2.5%

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Daily Net Generation for New York Independent System Operator for the past 3 Years

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Nanticoke LFG	Broome Energy Resources, LLC	Binghamton, NY	26 GWh	Feb 2006	Dec 2023	Landfill Gas
Mechanicville Hydroelectric Station	Mechanicville Hydroelectric Station	Mechanicville, NY	25 GWh	Apr 2011	Dec 2023	Water
OBP Cogen	OBP Cogen LLC	New York, NY	25 GWh	May 2010	Dec 2023	Natural Gas
Rensselaer Cogen	Rensselaer Generating LLC	Rensselaer, NY	25 GWh	Mar 1994	Dec 2023	Natural Gas
Plant No 2 Freeport	Village of Freeport - (NY)	Freeport, NY	25 GWh	Apr 1973	Dec 2023	Natural Gas : 99.3% Kerosene : 0.7%
Oswego Falls East	Erie Boulevard Hydropower LP	Fulton, NY	24 GWh	Dec 1913	Dec 2023	Water
Lighthouse Hill	Erie Boulevard Hydropower LP	Altmar, NY	24 GWh	Dec 1929	Dec 2023	Water
NY8 - Grissom Solar	MN8 Energy LLC	Mohawk, NY	24 GWh	Feb 2023	Dec 2023	Solar
Varick	Erie Boulevard Hydropower LP	Oswego, NY	23 GWh	Dec 1925	Dec 2023	Water
West End Dam Hydroelectric Project	Elevate Power Management LLC	Carthage, NY	23 GWh	Sep 1985	Dec 2023	Water
Watertown	City of Watertown - (NY)	Watertown, NY	23 GWh	Jul 1924	Dec 2023	Water
DANC LFGTE Facility	Innovative Energy Systems Inc	Rodman, NY	23 GWh	Sep 2008	Dec 2023	Landfill Gas
Pasto Solar	Altus Power America Management, LLC	Spencer, NY	23 GWh	Sep 2019	Dec 2023	Solar
Stuyvesant Falls	Albany Engineering Corporation	Stuyvesant, NY	22 GWh	Nov 2012	Dec 2023	Water
Massena Energy Facility	Power City Partners LP	Massena, NY	22 GWh	Jun 1992	Oct 2023	Natural Gas
South Edwards	Erie Boulevard Hydropower LP	Fine, NY	22 GWh	Dec 1911	Dec 2023	Water
Flat Rock	Erie Boulevard Hydropower LP	Fine, NY	21 GWh	Dec 1923	Dec 2023	Water
Peak Power 1 Cogen	Peak Power 1, LLC	New York, NY	21 GWh	Jun 2010	Dec 2023	Natural Gas
Neversink	New York Power Authority	Grahmsville, NY	21 GWh	Nov 1953	Dec 2023	Water
Bronx Zoo	New York Zoological Society	New York, NY	20 GWh	Dec 1990	Dec 2023	Natural Gas
Fort Miller Hydroelectric Facility	Fort Miller Associates	Northumberland, NY	20 GWh	Nov 1984	Dec 2023	Water
Danskammer Generating Station	Danskammer Energy	Newburgh, NY	19 GWh	Nov 1951	Dec 2023	Natural Gas : 99.9%
Rochester 5	Rochester Gas & Electric Corp	Rochester, NY	19 GWh	Jun 1918	Jan 2023	Water
Lachute Hydro Upper	Central Rivers Power US, LLC	Ticonderoga, NY	19 GWh	Nov 1987	Dec 2023	Water
Lachute Hydro Lower	Central Rivers Power US, LLC	Ticonderoga, NY	19 GWh	Nov 1987	Dec 2023	Water
Swinging Bridge 2	Eagle Creek Renewable Energy, LLC	Forestburgh, NY	18 GWh	Jul 1939	Dec 2023	Water
Kings Plaza Total Energy Plant (TEP)	Veolia North America	Brooklyn, NY	18 GWh	Aug 2007	Dec 2023	Natural Gas
Burrstone Energy Center	Burrstone Energy Center	New Hartford, NY	17 GWh	Jul 2009	Dec 2023	Natural Gas
Black River Hydro Associates	Central Rivers Power US, LLC	Port Layden, NY	17 GWh	Dec 1983	Dec 2023	Water
Altice - Hicksville	Bloom Energy	Hicksville, NY	17 GWh	Jul 2021	Dec 2023	Natural Gas
Effley	Erie Boulevard Hydropower LP	Croghan, NY	17 GWh	Dec 1901	Dec 2023	Water
Parishville	Erie Boulevard Hydropower LP	Parishville, NY	17 GWh	Dec 1924	Dec 2023	Water
West Delaware Tunnel Plant	Erie Boulevard Hydropower LP	Grahamsville, NY	16 GWh	Nov 1988	Dec 2023	Water
Hawkeye Energy Greenport LLC	Hawkeye Energy Greenport LLC	Greenport, NY	16 GWh	Jun 2003	Dec 2023	Kerosene
Ellis Solar	Altus Power America Management, LLC	Ithaca, NY	16 GWh	Nov 2019	Dec 2023	Solar
Warrensburg Hydroelectric	Boralex Hydro Operations Inc	Warrensburg, NY	16 GWh	Nov 1988	Dec 2023	Water
Holtsville	National Grid Generation LLC	Holtsville, NY	16 GWh	Jun 1974	Dec 2023	Kerosene
US Gypsum Oakfield	U S Gypsum Co	Oakfield, NY	16 GWh	Mar 1986	Dec 2023	Natural Gas
Leavenworth Greenworks LLC	AES Distributed Energy	Calverton, NY	16 GWh	May 2016	Dec 2023	Solar
Sissonville Hydro	Boralex Hydro Operations Inc	Potsdam, NY	16 GWh	Jun 1990	Dec 2023	Water
Waterport	Erie Boulevard Hydropower LP	Waterport, NY	16 GWh	Dec 1920	Dec 2023	Water
West Valley Solar	West Valley Solar, LLC	West Valley, NY	15 GWh	May 2022	Dec 2023	Solar
Unionville Hydro Project 2499 NY	Erie Boulevard Hydropower LP	Norwood, NY	15 GWh	Jun 1984	Dec 2023	Water
NY8 - Darby Solar	MN8 Energy LLC	Schaghticoke, NY	15 GWh	May 2023	Dec 2023	Solar
Sewalls	Erie Boulevard Hydropower LP	Watertown, NY	15 GWh	Dec 1924	Dec 2023	Water
Hampshire Paper	Hampshire Paper Co Inc	Gouverneur, NY	15 GWh	Apr 1987	Jul 2023	Water
Fulton LFGTE Facility	Innovative Energy Systems Inc	Johnstown, NY	15 GWh	May 2010	Dec 2023	Landfill Gas
Bloom-Altice Fuel Cell	AEP Onsite Partners, LLC	Bethpage,, NY	14 GWh	Sep 2020	Dec 2023	Natural Gas
Raymondville	Erie Boulevard Hydropower LP	Norfolk, NY	14 GWh	Dec 1927	Dec 2023	Water
Piercefield	Erie Boulevard Hydropower LP	Piercefield, NY	14 GWh	Dec 1923	Dec 2023	Water
Dolgeville Hydro	EONY Generation Limited	Dolgeville, NY	14 GWh	Jun 1985	Dec 2023	Water
Johnsonville Dam	Erie Boulevard Hydropower LP	Johnsonville, NY	14 GWh	Dec 1908	Dec 2023	Water
Norwood	Erie Boulevard Hydropower LP	Norwood, NY	14 GWh	Dec 1927	Dec 2023	Water
Middle Falls Hydro	Boralex Hydro Operations Inc	Middle Falls, NY	14 GWh	Aug 1989	Dec 2023	Water
SDM000 Clarkson Fuel Cell	2016 ESA Project Company, LLC	Brooklyn, NY	13 GWh	Apr 2018	Dec 2023	Natural Gas
Shoreham Energy LLC	Shoreham Energy LLC	Shoreham, NY	13 GWh	Jun 2002	Dec 2023	Kerosene
SL Babylon	SL Babylon, LLC	West Babylon, NY	13 GWh	Nov 2017	Dec 2023	Solar
HVCC Cogen Plant	Hudson Valley Community College	Troy, NY	13 GWh	Mar 2004	Dec 2022	Natural Gas : 99.9%
Hewittville Hydroelectric	Erie Boulevard Hydropower LP	Norwood, NY	13 GWh	Aug 1984	Dec 2023	Water
Belfort	Erie Boulevard Hydropower LP	Croghan, NY	13 GWh	Dec 1902	Dec 2023	Water
Dashville	Central Hudson Gas & Elec Corp	Dashville, NY	13 GWh	Dec 1919	Dec 2023	Water
Wading River	National Grid Generation LLC	Shoreham, NY	13 GWh	Jul 1989	Dec 2023	Distillate Fuel Oil
Franklin (NY)	Erie Boulevard Hydropower LP	Franklin, NY	13 GWh	Dec 1910	Dec 2023	Water
Lyonsdale Associates	Eagle Creek Renewable Energy, LLC	Lyons Falls, NY	12 GWh	Jun 1984	Dec 2023	Water
East Hampton	National Grid Generation LLC	East Hampton, NY	12 GWh	Nov 1962	Dec 2023	Distillate Fuel Oil
Wappinger Falls Hydroelectric	Windsor Machinery Co Inc	Wappinger Falls, NY	12 GWh	Nov 1988	Dec 2023	Water
Allegany Cogen	Allegany Generating Station, LLC	Fillmore, NY	12 GWh	May 1994	Dec 2023	Natural Gas
Equinix - Elmsford	Bloom Energy	Elmsford, NY	12 GWh	Aug 2020	Dec 2023	Natural Gas
Stillwater Hydro Electric Project	GR Catalyst One, LLC	Stillwater, NY	12 GWh	Mar 1993	Dec 2023	Water
Gowanus Gas Turbines Generating	U S Power Generating Company LLC	Brooklyn, NY	11 GWh	May 1971	Dec 2023	Natural Gas : 93.2% Distillate Fuel Oil : 6.8%
Fourth Branch Hydroelectric Facility	Albany Engineering Corporation	Waterford, NY	11 GWh	Nov 1987	Dec 2023	Water
Elmer	Erie Boulevard Hydropower LP	Croghan, NY	11 GWh	Dec 1915	Dec 2023	Water
Valley Falls Hydroelectric Facility	Valley Falls Associates	Valley Falls, NY	11 GWh	Jul 1985	Dec 2023	Water
Regeneron Tarrytown	Bloom Energy	Tarrytown, NY	11 GWh	Sep 2018	Dec 2023	Natural Gas
Ashokan	New York Power Authority	Kingston, NY	11 GWh	Oct 1982	Dec 2023	Water
Phoenix Hydro Project	Eagle Creek Renewable Energy, LLC	Phoenix, NY	11 GWh	Dec 1990	Dec 2023	Water
CH Resources Syracuse	Lakeside Syracuse LLC	Solvay, NY	11 GWh	Dec 1993	Sep 2023	Natural Gas
Madison Windpower LLC	Madison Windpower LLC	Madison, NY	11 GWh	Sep 2000	Sep 2024	Wind
GE 19th Hole	DG New York Solar, LLC	Johnstown, NY	11 GWh	Dec 2017	Dec 2023	Solar
Seneca Falls Hydroelectric Project	C-S Canal Hydro, LLC	Seneca Falls, NY	10 GWh	Dec 1916	Dec 2023	Water
Dutchess Cnty Resource Recovery Facility	Dutchess County RRA	Poughkeepsie, NY	10 GWh	Oct 1987	Dec 2023	Non-biogenic Municipal Solid Waste : 47.8% Biogenic Municipal Solid Waste : 39.1% Natural Gas : 13.1%
Rainbow Falls Auscble	New York State Elec & Gas Corp	Town of Auscble, NY	10 GWh	Jul 1926	Dec 2023	Water
Union Falls	Union Falls Hydro Power LP	Au Sable Forks, NY	10 GWh	Dec 1986	Dec 2023	Water
MM Albany Energy	MM Albany Energy LLC	Albany, NY	10 GWh	Feb 1998	Dec 2023	Landfill Gas
Philadlephia	EONY Generation Limited	Village of Philadelph, NY	10 GWh	Sep 1986	Dec 2023	Water
Hamlin Solar 1, LLC	Nautilus Solar Solutions	Hamlin, NY	10 GWh	Nov 2020	Dec 2023	Solar
OYA Wayside Drive	OYA Wayside Drive LLC	Watertown, NY	10 GWh	Sep 2022	Dec 2023	Solar
Stanford	VC Renewables	Stanfordville, NY	9 GWh	Jul 2021	Dec 2023	Solar
Upper Beaver Falls Project	Eagle Creek Renewable Energy, LLC	Beaver Falls, NY	9 GWh	Dec 1984	Dec 2023	Water
Gouldtown	Northbrook Lyons Falls LLC	Lyonsdale, NY	9 GWh	Jul 1953	Dec 2023	Water
OYA Robinson Road	OYA Robinson Road, LLC	Orleans, NY	9 GWh	May 2022	Dec 2023	Solar
Monroe County Sites C, D, & E	AES Distributed Energy	Hilton, NY	9 GWh	Nov 2017	Dec 2023	Solar
Ephratah	Erie Boulevard Hydropower LP	Saint Johnsville, NY	9 GWh	Dec 1910	Dec 2023	Water
Route 19 #2 Community Solar Farm	Generate Capital	Pike, NY	9 GWh	May 2022	Dec 2023	Solar
Eel Weir	Erie Boulevard Hydropower LP	Oswegatchie, NY	9 GWh	Dec 1927	Dec 2023	Water
Van Epps Solar	Van Epps Solar, LLC	Fultonville, NY	9 GWh	Sep 2021	Dec 2023	Solar
Bantam Solar	Generate Capital	Saint Johnsville, NY	9 GWh	Feb 2022	Dec 2023	Solar
Copenhagen Plant	Central Rivers Power US, LLC	Copenhagen, NY	9 GWh	May 1984	Dec 2023	Water
Mohawk View Solar	Mohawk View Solar, LLC	Fultonville, NY	9 GWh	Sep 2021	Dec 2023	Solar
Oswegatchie	Erie Boulevard Hydropower LP	Edwards, NY	9 GWh	Jul 2002	Dec 2023	Water

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	906.2 GWh	4
#25	Dominion Energy South Carolina, Inc.	26.0 TWh	85
#13	Duke Energy Carolinas	111.5 TWh	556
#17	Duke Energy Progress East	63.3 TWh	554
#51	Duke Energy Progress West	4.1 TWh	10
#15	ISO New England	103.6 TWh	1,487
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.2 TWh	20
#1	PJM Interconnection, LLC	844.3 TWh	2,305
#31	South Carolina Public Service Authority	18.1 TWh	33
#60	Southeastern Power Administration	1.6 TWh	11

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#6	Southern Company Services, Inc. - Trans	248.7 TWh	393
#7	California Independent System Operator	191.3 TWh	1,943
#9	Tennessee Valley Authority	158.1 TWh	170
#10	Florida Power & Light Co.	147.2 TWh	159
#12	New York Independent System Operator	129.7 TWh	1,100
#13	Duke Energy Carolinas	111.5 TWh	556
#15	ISO New England	103.6 TWh	1,487
#16	Bonneville Power Administration	80.1 TWh	158
#17	Duke Energy Progress East	63.3 TWh	554
#18	Salt River Project Agricultural Improvement and Power District	58.9 TWh	45