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
SWM Fuel Cell	Yaphank Fuel Cell Park, LLC	Yaphank, NY	57 GWh	Nov 2021	Dec 2023	Natural Gas
Woodhull Hospital	Woodhull Hospital	Brooklyn, NY	143 MWh	Dec 1971	Dec 2023	Distillate Fuel Oil
Oneida Herkimer	WM Renewable Energy LLC	Boonville, NY	26 GWh	Mar 2012	Dec 2023	Landfill Gas
High Acres Gas Recovery	WM Renewable Energy LLC	Fairport, NY	72 GWh	Apr 1991	Dec 2023	Landfill Gas
Chaffee Gas Recovery	WM Renewable Energy LLC	Chaffee, NY	41 GWh	Jul 2007	Dec 2023	Landfill Gas
Mill Seat Renewable Energy Facility	WM Renewable Energy LLC	Bergen, NY	53 GWh	Jun 2007	Dec 2023	Landfill Gas
Wappinger Falls Hydroelectric	Windsor Machinery Co Inc	Wappinger Falls, NY	12 GWh	Nov 1988	Dec 2023	Water
William Floyd School District	William Floyd School District	Mastic Beach, NY	3 GWh	Jan 2004	Dec 2023	Natural Gas : 96.6% Distillate Fuel Oil : 3.4%
Wheelabrator Westchester	Wheelabrator Environmental Systems	Peekskill, NY	400 GWh	Sep 1984	Sep 2024	Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Wheelabrator Hudson Falls	Wheelabrator Environmental Systems	Hudson Falls, NY	66 GWh	Oct 1991	Sep 2024	Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Source Power NY II - Whaling	Whaling Solar, LLC	Utica, NY	824 MWh	Aug 2023	Dec 2023	Solar
Westtown NY 2	Westtown NY 2, LLC	Westtown, NY	3 GWh	Jun 2020	Dec 2023	Solar
Westerlo NY 1	Westerlo NY 1, LLC	South Westerlo, NY	3 GWh	Dec 2019	Dec 2023	Solar
Westchester County Medical Center	Westchester County Medical Center	Valhalla, NY	102 MWh	Dec 1973	Dec 2023	Distillate Fuel Oil
West Valley Solar	West Valley Solar, LLC	West Valley, NY	15 GWh	May 2022	Dec 2023	Solar
Normanskill Hydro Project	Watervliet City of	Guilderland, NY	3 GWh	Mar 1983	Dec 2023	Water
Washingtonville(CSG)	Washingtonville	Washingtonville, NY	3 GWh	Oct 2021	Dec 2023	Solar
Wappinger 9D Solar	Wappinger 9D Solar, LLC	Wappinger, NY	3 GWh	Jun 2019	Dec 2023	Solar
Walden NY 1	Walden NY 1, LLC	Walden, NY	3 GWh	May 2020	Dec 2023	Solar
Charles P Keller	Village of Rockville Centre - (NY)	Rockville Centre, NY	24 MWh	Dec 1941	Dec 2023	Natural Gas : 90.3% Distillate Fuel Oil : 9.7%
Greenport	Village of Greenport - (NY)	Greenport, NY	14 MWh	May 1957	Dec 2023	Distillate Fuel Oil
Plant No 2 Freeport	Village of Freeport - (NY)	Freeport, NY	25 GWh	Apr 1973	Dec 2023	Natural Gas : 99.3% Kerosene : 0.7%
Plant No 1 Freeport	Village of Freeport - (NY)	Freeport, NY	20 MWh	Dec 1940	Dec 2023	Distillate Fuel Oil
Kings Plaza Total Energy Plant (TEP)	Veolia North America	Brooklyn, NY	18 GWh	Aug 2007	Dec 2023	Natural Gas
Lederle Laboratories	Veolia NA - Municipal & Commercial Business	Pearl River, NY	148 GWh	Jun 1990	Sep 2024	Natural Gas
Stanford	VC Renewables	Stanfordville, NY	9 GWh	Jul 2021	Dec 2023	Solar
Union Vale	VC Renewables	Lagrangeville, NY	2 GWh	Jul 2021	Dec 2023	Solar
Ghent (NY)	VC Renewables	Ghent, NY	5 GWh	May 2021	Dec 2023	Solar
Van Epps Solar	Van Epps Solar, LLC	Fultonville, NY	9 GWh	Sep 2021	Dec 2023	Solar
Valley Falls Hydroelectric Facility	Valley Falls Associates	Valley Falls, NY	11 GWh	Jul 1985	Dec 2023	Water
Ellenburg	Valcour Operating Services, LLC	Churubusco, NY	111 GWh	Apr 2008	Dec 2023	Wind
Wethersfield	Valcour Operating Services, LLC	Gainsville, NY	176 GWh	Mar 2009	Dec 2023	Wind
Chateaugay	Valcour Operating Services, LLC	Chateaugay, NY	141 GWh	Mar 2009	Dec 2023	Wind
Bliss	Valcour Operating Services, LLC	Bliss, NY	161 GWh	Apr 2008	Dec 2023	Wind
Clinton	Valcour Operating Services, LLC	Churubusco, NY	123 GWh	Apr 2008	Dec 2023	Wind
Altona	Valcour Operating Services, LLC	Altona, NY	120 GWh	Mar 2009	Dec 2023	Wind
University of Rochester	University of Rochester	Rochester, NY	33 GWh	Sep 2005	Dec 2023	Natural Gas
Union Falls	Union Falls Hydro Power LP	Au Sable Forks, NY	10 GWh	Dec 1986	Dec 2023	Water
Underhill	Underhill Solar LLC	Poughkeepsie, NY	4 GWh	Feb 2019	Dec 2023	Solar
Cornell Snyder Road Solar Array	Ulysses Solar, LLC	Lansing, NY	2 GWh	Oct 2014	Dec 2023	Solar
Ulster County Solar	Ulster Solar LLC	Kingston, NY	2 GWh	Apr 2018	Dec 2023	Solar
Astoria Generating Station	U S Power Generating Company LLC	Astoria, NY	730 GWh	Feb 1954	Dec 2023	Natural Gas : 88.9% Residual Fuel Oil : 11.1%
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%
Narrows Gas Turbines Generating	U S Power Generating Company LLC	Brooklyn, NY	31 GWh	Apr 1972	Dec 2023	Natural Gas : 96.0% Distillate Fuel Oil : 4.0%
US Gypsum Oakfield	U S Gypsum Co	Oakfield, NY	16 GWh	Mar 1986	Dec 2023	Natural Gas
NY Times Daily Production Facility	The NY Times Production Facility	Flushing, NY	19 MWh	Aug 2005	Dec 2023	Distillate Fuel Oil
The Bank of New York	The Bank of New York	New York, NY	30 MWh	Dec 1982	Dec 2023	Distillate Fuel Oil
The Allen Hospital	The Allen Hospital	New York, NY	12 MWh	Dec 2008	Dec 2023	Distillate Fuel Oil
THD Quicksilver - MDC Perth Amboy	THD NJ Riverview Main Distribution Center Solar Project 2020, LL	Perth Amboy, NJ	2 GWh	Oct 2022	Dec 2023	Solar
County of Dutchess, NY (Airport)	Tesla Inc.	Wappinger Falls, NY	3 GWh	Dec 2019	Dec 2023	Solar
Mohonasen Central School District	Tesla Inc.	Schenectady, NY	2 GWh	Aug 2019	Dec 2023	Solar
Sullivan County - Adult Care Solar	Tesla Inc.	Liberty, NY	2 GWh	Apr 2017	Dec 2023	Solar
Time Warner Cable - Knowles	Tesla Inc.	Bath, NY	3 GWh	Apr 2018	Dec 2023	Solar
Onondaga County - Metro Water Board	Tesla Inc.	Clay, NY	1 GWh	Jan 2016	Dec 2023	Solar
Broome County	Tesla Inc.	Conklin, NY	6 GWh	May 2018	Dec 2023	Solar
Oswego County - Fulton Solar	Tesla Inc.	Fulton, NY	2 GWh	May 2018	Dec 2023	Solar
Buffalo NY GigaFactory	Tesla Inc.	Buffalo, NY	3 GWh	Feb 2022	Dec 2023	Solar
Onondaga County - Oak Orchard WWTP	Tesla Inc.	Clay, NY	2 GWh	Oct 2017	Dec 2023	Solar
Onondaga County- Jamesville	Tesla Inc.	Jamesville, NY	2 GWh	Feb 2018	Dec 2023	Solar
Millbrook School	Tesla Inc.	Millbrook, NY	2 GWh	Feb 2015	Dec 2023	Solar
Cummins, Inc	Terraform Arcadia	Lakewood, NY	2 GWh	May 2015	Dec 2023	Solar
Skidmore College	Terraform Arcadia	Saratoga Springs, NY	2 GWh	Jun 2014	Dec 2023	Solar
Calverton	Terraform Arcadia	Calverton, NY	4 GWh	Sep 2015	Dec 2023	Solar
Houghton	Terraform Arcadia	Houghton, NY	3 GWh	Mar 2015	Dec 2023	Solar
Tannery Road Landfill	Tannery Road Solar, LLC	Rome, NY	2 GWh	Jul 2016	Sep 2024	Solar
Ticonderoga Mill	Sylvamo North America LLC	Ticonderoga, NY	174 GWh	Dec 1969	Sep 2024	Natural Gas : 59.7% Black Liquor : 33.2% Residual Fuel Oil : 4.1% Wood/Wood Waste Solids : 3.0%
Stillwater Reservoir Hydro	Stillwater Associates	Webb, NY	6 GWh	Dec 1986	Dec 2023	Water
Sterling Power Plant	Sterling Power Partners LP	Sherrill, NY	2 GWh	May 1991	Dec 2023	Natural Gas : 99.8%
Sugarhill Road - Solitude Solar CSG	Standard Solar	Rexford, NY	8 GWh	Aug 2019	Dec 2023	Solar
NY 26 Carthage CSG	Standard Solar	Carthage, NY	6 GWh	Feb 2020	Sep 2023	Solar
St. Mary's Hospital For Children	St. Mary's Hospital For Children	Bayside, NY	36 MWh	Dec 2010	Dec 2023	Distillate Fuel Oil
St. Joseph Hospital	St. Joseph Hospital (NY)	Yonkers, NY	14 MWh	Dec 1959	Dec 2023	Distillate Fuel Oil
St. Johns Episcopal Hospital	St. Johns Episcopal Hospital	Far Rockaway, NY	6 MWh	Dec 1994	Dec 2023	Distillate Fuel Oil
St Johns Riverside Hospital	St Johns Riverside Hospital	Yonkers, NY	6 MWh	Dec 1967	Dec 2023	Distillate Fuel Oil
South Oaks Hospital	South Oak Hospital	Amityville, NY	6 GWh	Mar 2008	Dec 2023	Natural Gas
Vulcraft Solar	Soltage VUL 1600 Chemung, LLC	Chemung, NY	2 GWh	Oct 2013	Dec 2023	Solar
RIT Henrietta Solar 1, LLC	SolRiver Capital LLC	Rochester, NY	2 GWh	Nov 2018	Dec 2023	Solar
Amazon JFK8 Solar Project	Solar Star Prime 2, LLC	Staten Island, NY	460 MWh	Feb 2021	Dec 2023	Solar
Williamson	Solar Planet Power	Williamson, NY	2 GWh	Feb 2019	Dec 2023	Solar
Macedon	Solar Planet Power	Macedon, NY	2 GWh	Jan 2019	Dec 2023	Solar
Whittier	Solar Planet Power	Ogden, NY	3 GWh	Feb 2019	Dec 2023	Solar
Bennett	Solar Planet Power	East Bloomfield, NY	2 GWh	Feb 2019	Dec 2023	Solar
Troupsburg	Solar Planet Power	Troupsburg, NY	8 GWh	Nov 2020	Dec 2023	Solar
Sunnyside 1 Solar	Solar DG NY Sunnyside 1, LLC	Scotia, NY	6 GWh	Feb 2023	Dec 2023	Solar
SCS Penfield One 010750 Penfield, LLC	Sol Systems	Penfield, NY	5 GWh	Aug 2022	Dec 2023	Solar
Slate Hill(CSG)	Slate Hill Solar LLC	Johnson, NY	3 GWh	Oct 2021	Dec 2023	Solar
SL Babylon	SL Babylon, LLC	West Babylon, NY	13 GWh	Nov 2017	Dec 2023	Solar
Sithe Independence Station	Sithe/Independence LLC	Oswego, NY	6 TWh	Jul 1994	Sep 2024	Natural Gas
Kings Falls Hydroelectric	Silverstreet Hydro	Copenhagen, NY	2 GWh	Sep 1988	Dec 2023	Water
Shoreham Energy LLC	Shoreham Energy LLC	Shoreham, NY	13 GWh	Jun 2002	Dec 2023	Kerosene
Batavia Power Plant	Seneca Power Partners LP	Batavia, NY	6 GWh	Aug 1992	Dec 2023	Natural Gas
Seneca Nation Cattaraugus Wind Turbine	Seneca Nation	Irving, NY	3 GWh	Feb 2017	Dec 2023	Wind
Ontario LFGTE	Seneca Energy II	Stanley, NY	78 GWh	Oct 2003	Dec 2023	Landfill Gas
Seneca Energy	Seneca Energy II	Seneca Falls, NY	86 GWh	Feb 1996	Sep 2024	Landfill Gas
Selkirk Cogen	Selkirk Cogen Partners LP	Selkirk, NY	339 GWh	Mar 1992	Dec 2022	Natural Gas
Tompkins Cortland Community College	SEC LHNY Solar One, LLC	Dryden, NY	1 GWh	Apr 2015	Dec 2023	Solar
IRE Solar I, LLC	Scotch Settlement	Gouverneur, NY	2 GWh	Nov 2017	Dec 2023	Solar
Saranac Facility	Saranac Power Partners LP	Plattsburgh, NY	234 GWh	May 1994	Dec 2023	Natural Gas
Saint Catherine of Siena Medical Center	Saint Catherine of Siena Medical Center	Smithtown, NY	13 MWh	Dec 1971	Dec 2023	Distillate Fuel Oil
Munnsville Wind Farm LLC	RWE Renewables Americas, LLC	Madison, NY	76 GWh	Sep 2007	Dec 2023	Wind

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