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	May 2025
Annual Generation	130.6 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 \| 52.3% Nuclear \| 19.8% Water \| 19.4% Wind \| 5.3% Other Fuel \| 3%

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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
Ruler Solar Partners (CSG)	Ruler Solar Partners, LLC	Oswegatchie, NY	245 MWh	Jul 2023	Dec 2023	Solar
RT32 Westerlo Solar 1	RT32 Westerlo Solar 1, LLC	Westerlo, NY	8 GWh	Feb 2020	Dec 2023	Solar
Bullis Road Solar (CSG)	RPNY Solar 2, LLC	Marilla, NY	7 GWh	May 2022	Dec 2023	Solar
Rock Island Road Solar Community Solar	RPNY Solar 1, LLC	Gouvernour, NY	6 GWh	Jun 2022	Nov 2023	Solar
Royal Solar Partners (CSG)	Royal Solar Partners, LLC	Oswegatchie, NY	244 MWh	Jul 2023	Dec 2023	Solar
Route 14A CDG Solar North and South LLC	Route 14A CDG Solar North and South, LLC	Geneva, NY	6 GWh	Nov 2018	Dec 2023	Solar
Rockland Bakery Inc.	Rockland Bakery Inc.	Nanuet, NY	19 MWh	Dec 1995	Dec 2023	Natural Gas : 93.8% Distillate Fuel Oil : 6.2%
Riverbay	Riverbay Corp	New York, NY	169 GWh	Feb 2011	Dec 2023	Natural Gas : 98.8% Distillate Fuel Oil : 1.2%
Rensselaer Cogen	Rensselaer Generating LLC	Rensselaer, NY	25 GWh	Mar 1994	Dec 2023	Natural Gas
Regeneron Pharmaceuticals Inc.	Regeneron Pharmaceuticals Inc.	Tarrytown, NY	45 MWh	Jul 2009	Dec 2023	Distillate Fuel Oil
RED-Rochester, LLC	RED-Rochester, LLC	Rochester, NY	322 GWh	Jul 1954	Mar 2025	Natural Gas
Ravenswood	Ravenswood Operations LLC	Long Island, NY	3 TWh	Jan 1963	Mar 2025	Natural Gas : 98.7% Kerosene : 1.2%
Pinelawn Power LLC	Pinelawn Power LLC	West Babylon, NY	82 GWh	Jun 2005	Dec 2023	Natural Gas
Phillips Route 82 Solar LLC	Phillips Route 82 Solar LLC	East Fishkill, NY	8 GWh	May 2022	Dec 2023	Solar
Peak Power 1 Cogen	Peak Power 1, LLC	New York, NY	21 GWh	Jun 2010	Dec 2023	Natural Gas
Curtis Palmer Hydroelectric	Palmer Hydroelectric	Corinth, NY	393 GWh	Sep 1985	Dec 2023	Water
OYA Wayside Drive	OYA Wayside Drive LLC	Watertown, NY	10 GWh	Sep 2022	Dec 2023	Solar
OYA State Route 122	OYA State Route 122, LLC	Constable, NY	8 GWh	Nov 2021	Dec 2023	Solar
OYA Robinson Road	OYA Robinson Road, LLC	Orleans, NY	9 GWh	May 2022	Dec 2023	Solar
OYA Pulaski	OYA Pulaski LLC	Pulaski, NY	6 GWh	Oct 2022	Dec 2023	Solar
NYS Rte 12 Community Solar	OYA NYS Rte 12 LLC	Clayton, NY	8 GWh	Nov 2019	Dec 2023	Solar
OYA Main Street	OYA Main Street LLC	York, NY	8 GWh	Nov 2022	Dec 2023	Solar
Great Lakes Seaway Community Solar	OYA Great Lakes Seaway LLC	Clayton, NY	8 GWh	Nov 2019	Dec 2023	Solar
OYA Church Road	OYA Church Road A LLC	Baldwinsville, NY	4 GWh	Nov 2022	Dec 2023	Solar
Blanchard Road 1 Community Solar	OYA Blanchard Road LLC	Clayton, NY	7 GWh	Nov 2019	Dec 2023	Solar
Blanchard Road 2 Community Solar	OYA Blanchard Road 2 LLC	Clayton, NY	7 GWh	Nov 2019	Dec 2023	Solar
Moore Road Community Solar	OYA 2643 Moore Road LLC	Ransomville, NY	6 GWh	Nov 2019	Dec 2023	Solar
Owlville Creek Solar, LLC	Owlville Creek Solar, LLC	Canastota, NY	8 GWh	Nov 2020	Dec 2023	Solar
Owlville Creek Solar 2, LLC	Owlville Creek Solar 2, LLC	Canastota, NY	7 GWh	Nov 2020	Dec 2023	Solar
Oswego Harbor Power	Oswego Harbor Power	Oswego, NY	52 GWh	May 1975	Jan 2025	Residual Fuel Oil
Oswego County Energy Recovery	Oswego County	Fulton, NY	7 GWh	Jan 1986	Dec 2023	Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
High Dam	Oswego City of	Oswego, NY	4 GWh	Jul 1928	Dec 2023	Water
South Fork Wind	Orsted Wind Power North America LLC	East Hampton, NY	388 GWh	-	Mar 2025	Wind
Duanesburg	Onyx Asset Services Group	Duanesburg, NY	3 GWh	Mar 2018	Dec 2023	Solar
Broadalbin	Onyx Asset Services Group	Broadalbin, NY	3 GWh	Mar 2018	Dec 2023	Solar
Johnstown	Onyx Asset Services Group	Johnstown, NY	3 GWh	Mar 2018	Dec 2023	Solar
Sharon Springs	Onyx Asset Services Group	Sharon Springs, NY	2 GWh	Apr 2018	Dec 2023	Solar
Onyx - Saratoga Springs Landfill Solar CSG	Onyx Asset Services Group	Saratoga Springs, NY	3 GWh	Oct 2017	Dec 2023	Solar
Amsterdam North	Onyx Asset Services Group	Amsterdam, NY	3 GWh	Mar 2018	Dec 2023	Solar
Amsterdam South	Onyx Asset Services Group	Amsterdam, NY	3 GWh	Mar 2018	Dec 2023	Solar
Onyx - Lamphear Road CSG	Onyx Asset Services Group	Rome, NY	3 GWh	Sep 2016	Dec 2023	Solar
Oneida - South	Oneida DG Solar, LLC	Whitestown, NY	2 GWh	Nov 2015	Dec 2023	Solar
Oneida - West	Oneida DG Solar, LLC	Whitestown, NY	2 GWh	Nov 2015	Dec 2023	Solar
Off Airport Road - West	Off Airport Road - West, LLC	Accord, NY	6 GWh	Nov 2019	Dec 2023	Solar
OBP Cogen	OBP Cogen LLC	New York, NY	25 GWh	May 2010	Dec 2023	Natural Gas
NYU Luthern Medical Center	NYU Langone Health	New York City, NY	105 MWh	Dec 1993	Dec 2023	Distillate Fuel Oil
NYU LANGONE HEALTH	NYU LANGONE HEALTH	New York, NY	43 GWh	Sep 1992	Dec 2023	Natural Gas : 99.7%
NYPH-Queens	NYPH-Queens	Flushing, NY	64 MWh	Dec 1999	Dec 2023	Distillate Fuel Oil
NYP-Lower Manhattan Hospital	NYP-Lower Manhattan Hospital	New York, NY	19 MWh	Dec 1991	Dec 2023	Distillate Fuel Oil
NYP-Hudson Valley Hospital Center	NYP-Hudson Valley Hospital Center	Cortlandt Manor, NY	26 MWh	Dec 2009	Dec 2023	Distillate Fuel Oil
NYC-HH-New Bellevue Hospital	NYC-HH-New Bellevue Hospital	New York, NY	171 MWh	Dec 1995	Dec 2023	Distillate Fuel Oil
NYC-HH - CONEY ISLAND HOSPITAL	NYC-HH Coney Island Hospital	Brooklyn, NY	50 MWh	Jun 1993	Dec 2023	Distillate Fuel Oil
NY- CSG- Livingston 4	NY- CSG- Livingston 4	Caledonia, NY	3 GWh	Jan 2020	Dec 2023	Solar
NY- CSG- Johnstown 2	NY- CSG- Johnstown 2	New York, NY	5 GWh	Feb 2020	Dec 2023	Solar
Oswego	NY USLE Oswego SR104 LLC	Oswego, NY	457 MWh	Aug 2023	Dec 2023	Solar
Glenville Solar (CSG)	NY USLE Glenville Freemans Bridge LLC	Glenville, NY	17 MWh	Nov 2023	Dec 2023	Solar
Carthage B	NY USLE Carthage SR26 B LLC	Carthage, NY	6 GWh	Feb 2022	Dec 2023	Solar
Carthage A	NY USLE Carthage SR26 A LLC	Carthage, NY	8 GWh	Mar 2022	Dec 2023	Solar
NY - Presbyt. Hospital - 525 E 68TH St	NY - PRESBYTERIAN HOSPITAL-525 E 68TH ST	New York, NY	48 GWh	Mar 1997	Dec 2023	Natural Gas : 99.9%
NY - Mines Press	NY - Mines Press	Cortlandt, NY	1 GWh	Nov 2021	Dec 2023	Solar
Angelica Solar Site 4	NSF Angelica Site 4, LLC	Angelica, NY	8 GWh	Apr 2022	Dec 2023	Solar
Angelica Solar Site 3	NSF Angelica Site 3, LLC	Belfast, NY	8 GWh	Apr 2022	Dec 2023	Solar
Angelica Solar Site 2	NSF Angelica Site 2, LLC	Belfast, NY	8 GWh	Apr 2022	Dec 2023	Solar
Angelica Solar Site 1	NSF Angelica Site 1, LLC	Angelica, NY	8 GWh	Apr 2022	Dec 2023	Solar
Arthur Kill Generating Station	NRG Arthur Kill Operations Inc	Staten Island, NY	2 TWh	Aug 1959	Mar 2025	Natural Gas
Kosterville	Northbrook Lyons Falls LLC	Lyonsdale, NY	3 GWh	Apr 1955	Dec 2023	Water
Gouldtown	Northbrook Lyons Falls LLC	Lyonsdale, NY	9 GWh	Jul 1953	Dec 2023	Water
Lyons Falls Hydroelectric	Northbrook Lyons Falls LLC	Lyons Falls, NY	28 GWh	Nov 1923	Dec 2023	Water
Fortistar North Tonawanda	North American Energy Services	North Tonawanda, NY	49 GWh	Jun 1993	Dec 2023	Natural Gas
Airport Road Solar (CSG)	NJR Clean Energy Ventures Corporation	Wawayanda, NY	6 GWh	Aug 2022	Dec 2023	Solar
Stony Brook Cogen Plant	Nissequoque Cogen Partners	Stony Brook, NY	289 GWh	Mar 1995	Dec 2023	Natural Gas : 99.7%
NewYork-Presbyterian Brooklyn Methodist Hospital	NewYork-Presbyterian Brooklyn Methodist Hospital	Brooklyn, NY	65 MWh	Dec 1990	Dec 2023	Natural Gas : 94.1% Distillate Fuel Oil : 5.9%
Newfield Community Solar LLC	Newfield Solar LLC	Newfield, NY	9 GWh	Dec 2018	Dec 2023	Solar
Bronx Zoo	New York Zoological Society	New York, NY	20 GWh	Dec 1990	Dec 2023	Natural Gas
New York University Central Plant	New York University	New York, NY	74 GWh	Dec 1983	Dec 2023	Natural Gas : 92.5% Distillate Fuel Oil : 7.5%
Upper Mechanicville	New York State Elec & Gas Corp	Town of Stillwater, NY	80 GWh	Aug 1983	Dec 2023	Water
Rainbow Falls Auscble	New York State Elec & Gas Corp	Town of Auscble, NY	10 GWh	Jul 1926	Dec 2023	Water
Mill C	New York State Elec & Gas Corp	Town of Plattsburgh, NY	29 GWh	Jul 1943	Dec 2023	Water
High Falls - Saranac NY	New York State Elec & Gas Corp	Town of Saranac, NY	88 GWh	Jul 1948	Dec 2023	Water
Harris Lake	New York State Elec & Gas Corp	Town of Newcomb, NY	1 MWh	Aug 1967	Dec 2023	Distillate Fuel Oil
Cadyville	New York State Elec & Gas Corp	Town ofSchuyler Falls, NY	26 GWh	Jul 1921	Dec 2023	Water
New York Presbyterian Hospital-168th St	New York Presbyterian Hospital	New York, NY	126 MWh	Dec 1999	Dec 2023	Distillate Fuel Oil
Zeltmann	New York Power Authority	Astoria, NY	4 TWh	Nov 2005	Mar 2025	Natural Gas : 98.4% Distillate Fuel Oil : 1.6%
Ashokan	New York Power Authority	Kingston, NY	11 GWh	Oct 1982	Dec 2023	Water
Hell Gate	New York Power Authority	Bronx, NY	100 GWh	Jun 2001	Dec 2023	Natural Gas
Vischer Ferry	New York Power Authority	Rexford, NY	58 GWh	Jun 1924	Dec 2023	Water
Robert Moses Power Dam	New York Power Authority	Massena, NY	7 TWh	Jun 1958	Mar 2025	Water
Richard M Flynn	New York Power Authority	Holtsville, NY	429 GWh	Apr 1994	Nov 2023	Natural Gas : 95.7% Distillate Fuel Oil : 4.3%
Harlem River Yard	New York Power Authority	Bronx, NY	93 GWh	Jun 2001	Dec 2023	Natural Gas
North 1st	New York Power Authority	Brooklyn, NY	32 GWh	Jul 2001	Dec 2023	Natural Gas
Robert Moses Niagara	New York Power Authority	Lewiston, NY	15 TWh	Dec 1960	Mar 2025	Water
Crescent	New York Power Authority	Crescent, NY	65 GWh	Jun 1924	Dec 2023	Water
Grahamsville	New York Power Authority	Grahamsville, NY	76 GWh	Dec 1955	Dec 2023	Water
Jarvis (Hinckley)	New York Power Authority	Hinckley, NY	32 GWh	Jun 1991	Dec 2023	Water
Pouch	New York Power Authority	Staten Island, NY	42 GWh	Jul 2001	Dec 2023	Natural Gas
Neversink	New York Power Authority	Grahmsville, NY	21 GWh	Nov 1953	Dec 2023	Water
Vernon Boulevard	New York Power Authority	Long Island City, NY	120 GWh	Jul 2001	Dec 2023	Natural Gas
Joseph J Seymour Power Project	New York Power Authority	Brooklyn, NY	53 GWh	Jun 2001	Dec 2023	Natural Gas
Brentwood	New York Power Authority	Long Island, NY	36 GWh	Jun 2001	Dec 2023	Natural Gas
Athens Generating Plant	New Athens Generating Company LLC	Athens, NY	4 TWh	Mar 2003	Mar 2025	Natural Gas

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	727.7 GWh	4
#25	Dominion Energy South Carolina, Inc.	26.1 TWh	85
#13	Duke Energy Carolinas	111.4 TWh	556
#17	Duke Energy Progress East	65.1 TWh	554
#52	Duke Energy Progress West	4.1 TWh	10
#15	ISO New England	103.2 TWh	1,487
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.8 TWh	20
#1	PJM Interconnection, LLC	858.5 TWh	2,305
#29	South Carolina Public Service Authority	19.2 TWh	33
#60	Southeastern Power Administration	1.4 TWh	11

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#6	Southern Company Services, Inc. - Trans	251.8 TWh	393
#7	California Independent System Operator	190.1 TWh	1,943
#8	Tennessee Valley Authority	158.8 TWh	170
#10	Florida Power & Light Co.	148.3 TWh	159
#12	New York Independent System Operator	130.6 TWh	1,100
#13	Duke Energy Carolinas	111.4 TWh	556
#15	ISO New England	103.2 TWh	1,487
#16	Bonneville Power Administration	82.2 TWh	158
#17	Duke Energy Progress East	65.1 TWh	554
#18	Salt River Project Agricultural Improvement and Power District	58.7 TWh	45