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
Robert Moses Niagara	New York Power Authority	Lewiston, NY	16 TWh	Dec 1960	Sep 2024	Water
Nine Mile Point Nuclear Station	Constellation Nuclear	Lycoming, NY	16 TWh	Nov 1969	Sep 2024	Nuclear
Robert Moses Power Dam	New York Power Authority	Massena, NY	8 TWh	Jun 1958	Sep 2024	Water
James A Fitzpatrick	Constellation Nuclear	Lycoming, NY	7 TWh	Jul 1976	Sep 2024	Nuclear
Linden Cogen Plant	EFS Cogen Holdings I LLC	Linden, NJ	6 TWh	Feb 1992	Sep 2024	Natural Gas : 99.4% Other Gas : 0.6%
Sithe Independence Station	Sithe/Independence LLC	Oswego, NY	6 TWh	Jul 1994	Sep 2024	Natural Gas
R E Ginna Nuclear Power Plant	Constellation Nuclear	Ontario, NY	5 TWh	Jun 1970	Sep 2024	Nuclear
CPV Valley Energy Center	CPV Valley, LLC	Wawayanda, NY	5 TWh	Apr 2018	Sep 2024	Natural Gas
Astoria Energy	Astoria Energy LLC	New York, NY	4 TWh	Apr 2006	Sep 2024	Natural Gas : 99.9%
Cricket Valley Energy	Cricket Valley Energy Center LLC	Dover, NY	4 TWh	Mar 2020	Sep 2024	Natural Gas
Astoria Energy II	Astoria Energy II LLC	Astoria, NY	4 TWh	Jun 2011	Sep 2024	Natural Gas : 99.7%
Zeltmann	New York Power Authority	Astoria, NY	4 TWh	Nov 2005	Sep 2024	Natural Gas
Bethlehem Energy Center	Generation Bridge II New York LLC	Glenmont, NY	4 TWh	Jun 2005	Sep 2024	Natural Gas
Athens Generating Plant	New Athens Generating Company LLC	Athens, NY	4 TWh	Mar 2003	Sep 2024	Natural Gas
Northport	National Grid Generation LLC	Northport, NY	3 TWh	Feb 1967	Sep 2024	Natural Gas : 98.7% Residual Fuel Oil : 1.3%
Empire Generating Co LLC	Empire Generating Co LLC	Rensselaer, NY	3 TWh	Aug 2010	Sep 2024	Natural Gas
East River	Consolidated Edison Co-NY Inc	New York, NY	3 TWh	Oct 1951	Sep 2024	Natural Gas
Ravenswood	Ravenswood Operations LLC	Long Island, NY	3 TWh	Jan 1963	Sep 2024	Natural Gas : 99.7%
Brooklyn Navy Yard Cogeneration	Brooklyn Navy Yard Cogen PLP	Brooklyn, NY	2 TWh	Feb 1996	Sep 2024	Natural Gas
Caithness Long Island Energy Center	Caithness Long Island, LLC	Yaphank, NY	2 TWh	Jul 2009	Sep 2024	Natural Gas
E F Barrett	National Grid Generation LLC	Island Park, NY	1 TWh	Oct 1956	Sep 2024	Natural Gas : 99.9%
Bowline Point	Bowline, LLC	West Haverstraw, NY	1 TWh	Aug 1972	Sep 2024	Natural Gas
Arthur Kill Generating Station	NRG Arthur Kill Operations Inc	Staten Island, NY	1 TWh	Aug 1959	Sep 2024	Natural Gas
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%
Greenidge Generation LLC	Greenidge Generation Holdings LLC	Dresden, NY	624 GWh	Nov 1953	Dec 2023	Natural Gas
Maple Ridge Wind Farm	Flat Rock Windpower, LLC	Lowville, NY	613 GWh	Nov 2005	Sep 2024	Wind
Bethpage Power Plant	Calpine Eastern Corp	Hicksville, NY	595 GWh	Jul 1989	Dec 2023	Natural Gas
Covanta Hempstead	Covanta Hempstead Company	Westbury, NY	591 GWh	Mar 1989	Sep 2024	Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 45.0%
Kennedy International Airport Cogen	KIAC Partners	Jamaica, NY	522 GWh	Nov 1994	Oct 2023	Natural Gas : 99.6%
Indeck Corinth Energy Center	Indeck-Corinth Ltd Partnership	Corinth, NY	514 GWh	Jan 1995	Dec 2023	Natural Gas
Bayonne Energy Center	Bayonne Energy Center LLC	Bayonne, NJ	485 GWh	May 2012	Sep 2024	Natural Gas : 99.9%
Richard M Flynn	New York Power Authority	Holtsville, NY	429 GWh	Apr 1994	Nov 2023	Natural Gas : 95.7% Distillate Fuel Oil : 4.3%
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%
Port Jefferson	National Grid Generation LLC	Port Jefferson, NY	396 GWh	Oct 1958	Sep 2024	Natural Gas : 96.9% Residual Fuel Oil : 2.9%
Curtis Palmer Hydroelectric	Palmer Hydroelectric	Corinth, NY	393 GWh	Sep 1985	Dec 2023	Water
Marble River Wind Farm	Marble River, LLC	Churubusco, NY	367 GWh	Oct 2012	Sep 2024	Wind
Baron Winds Farm	RWE Renewables Americas, LLC	Cohocton, NY	341 GWh	Jan 2023	Sep 2024	Wind
Selkirk Cogen	Selkirk Cogen Partners LP	Selkirk, NY	339 GWh	Mar 1992	Dec 2022	Natural Gas
RED-Rochester, LLC	RED-Rochester, LLC	Rochester, NY	303 GWh	Jul 1954	Sep 2024	Natural Gas
Stony Brook Cogen Plant	Nissequoque Cogen Partners	Stony Brook, NY	289 GWh	Mar 1995	Dec 2023	Natural Gas : 99.7%
Eight Point Wind	Eight Point Wind, LLC	Rexville, NY	273 GWh	Jan 2023	Sep 2024	Wind
Number Three Wind Project	Invenergy Services LLC	Lowville, NY	261 GWh	Apr 2023	Sep 2024	Wind
Spier Falls	Erie Boulevard Hydropower LP	Gansevoort, NY	253 GWh	Dec 1923	Dec 2023	Water
Bluestone Wind, LLC	Bluestone Wind, LLC	Sanford, NY	252 GWh	Sep 2023	Sep 2024	Wind
Roseton Generating Facility	CCI Roseton LLC	Newsburgh, NY	247 GWh	Aug 1974	Sep 2024	Natural Gas : 92.2% Residual Fuel Oil : 7.8%
Hudson Falls Hydroelectric Project	Boralex Hydro Operations Inc	South Glens Falls, NY	242 GWh	Oct 1995	Dec 2023	Water
ReEnergy Black River	Black River Generation LLC	Fort Drum, NY	239 GWh	May 1989	Apr 2023	Wood/Wood Waste Solids : 98.6% Tire-derived Fuels : 1.3%
Saranac Facility	Saranac Power Partners LP	Plattsburgh, NY	234 GWh	May 1994	Dec 2023	Natural Gas
Copenhagen Wind Farm	EDF Renewable Asset Holdings, Inc.	Copenhagen, NY	230 GWh	Nov 2018	Sep 2024	Wind
Arkwright Summit Wind Farm LLC	Arkwright Summit Wind Farm LLC	Fredonia, NY	229 GWh	Jul 2018	Sep 2024	Wind
Stony Creek Wind Farm NY	Invenergy Services LLC	Strykersville, NY	222 GWh	Oct 2013	Dec 2023	Wind
Cassadaga Wind Farm	RWE Renewables Americas, LLC	Cherry Creek, NY	218 GWh	Jun 2021	Sep 2024	Wind
Cornell University Central Heat	Cornell University	Ithaca, NY	217 GWh	Jun 1988	Dec 2023	Natural Gas
Ball Hill Wind Energy, LLC	Ball Hill Wind Energy, LLC	Forestville, NY	212 GWh	Nov 2023	Sep 2024	Wind
Onondaga County Resource Recovery	Covanta Onondega LP	Jamesville, NY	208 GWh	Oct 1994	Sep 2024	Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.8%
Sherman Island	Erie Boulevard Hydropower LP	Queensbury, NY	204 GWh	Dec 1922	Dec 2023	Water
Jericho Rise Wind Farm LLC	Jericho Rise Wind Farm LLC	Chateaugay, NY	196 GWh	Nov 2016	Sep 2024	Wind
Huntington Resource Recovery Facility	Huntington Resource Recovery	East Northport, NY	196 GWh	Nov 1991	Sep 2024	Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 44.9%
Cohocton Wind Project	Evergreen Wind, LLC	Cohocton, NY	185 GWh	Dec 2008	Dec 2023	Wind
High Sheldon Wind Farm	Invenergy Services LLC	Strykersville, NY	184 GWh	Jan 2009	Dec 2023	Wind
Covanta Niagara I, LLC	Covanta Energy of Niagara LP	Niagara Falls, NY	184 GWh	Jul 1980	Sep 2024	Non-biogenic Municipal Solid Waste : 51.0% Biogenic Municipal Solid Waste : 41.7% Natural Gas : 7.2%
Wethersfield	Valcour Operating Services, LLC	Gainsville, NY	176 GWh	Mar 2009	Dec 2023	Wind
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%
Carr Street Generating Station	Carr Street Generating Sta LP	East Syracuse, NY	173 GWh	Jun 1993	Dec 2023	Natural Gas
Colton	Erie Boulevard Hydropower LP	Pierrepont, NY	172 GWh	Dec 1917	Dec 2023	Water
Riverbay	Riverbay Corp	New York, NY	169 GWh	Feb 2011	Dec 2023	Natural Gas : 98.8% Distillate Fuel Oil : 1.2%
School Street	Erie Boulevard Hydropower LP	Cohoes, NY	169 GWh	Dec 1914	Dec 2023	Water
Bliss	Valcour Operating Services, LLC	Bliss, NY	161 GWh	Apr 2008	Dec 2023	Wind
Hardscrabble Wind Power LLC	Avangrid Renewables LLC	Little Falls, NY	155 GWh	Dec 2010	Dec 2023	Wind
Glenwood Landing	National Grid Generation LLC	Glenwood Landing, NY	154 GWh	Mar 1967	Dec 2023	Natural Gas : 99.8%
Lederle Laboratories	Veolia NA - Municipal & Commercial Business	Pearl River, NY	148 GWh	Jun 1990	Sep 2024	Natural Gas
Roaring Brook, LLC	Avangrid Renewables LLC	Lowville, NY	146 GWh	Sep 2021	Sep 2024	Wind
Chateaugay	Valcour Operating Services, LLC	Chateaugay, NY	141 GWh	Mar 2009	Dec 2023	Wind
Trenton Falls	Erie Boulevard Hydropower LP	Barneveld, NY	140 GWh	Dec 1918	Dec 2023	Water
Glen Park Hydroelectric Project	Eagle Creek Renewable Energy, LLC	Watertown, NY	137 GWh	Sep 1999	Dec 2023	Water
Stewarts Bridge	Erie Boulevard Hydropower LP	Corinth, NY	134 GWh	Dec 1951	Dec 2023	Water
Finch Paper	Finch Paper LLC	Glen Falls, NY	125 GWh	May 1987	Dec 2023	Wood Waste Liquids, excluding Black Liquor : 50.6% Natural Gas : 29.5% Wood/Wood Waste Solids : 19.9%
Clinton	Valcour Operating Services, LLC	Churubusco, NY	123 GWh	Apr 2008	Dec 2023	Wind
Covanta Babylon Inc	Covanta Babylon Inc	West Babylon, NY	122 GWh	Dec 1988	Sep 2024	Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.8%
Vernon Boulevard	New York Power Authority	Long Island City, NY	120 GWh	Jul 2001	Dec 2023	Natural Gas
Altona	Valcour Operating Services, LLC	Altona, NY	120 GWh	Mar 2009	Dec 2023	Wind
Rainbow Falls Hydro	Erie Boulevard Hydropower LP	Parishville, NY	119 GWh	Dec 1955	Dec 2023	Water
Five Falls	Erie Boulevard Hydropower LP	Colton, NY	115 GWh	Dec 1954	Dec 2023	Water
Ellenburg	Valcour Operating Services, LLC	Churubusco, NY	111 GWh	Apr 2008	Dec 2023	Wind
Stark	Erie Boulevard Hydropower LP	Colton, NY	111 GWh	Dec 1956	Dec 2023	Water
Howard Wind Farm	Howard Wind LLC (Longroad)	Hornell, NY	108 GWh	Nov 2011	Dec 2023	Wind
South Glens Falls Hydroelectric	Boralex Hydro Operations Inc	South Glens Falls, NY	101 GWh	Jul 1994	Dec 2023	Water
Hell Gate	New York Power Authority	Bronx, NY	100 GWh	Jun 2001	Dec 2023	Natural Gas
South Fork Wind	Orsted Wind Power North America LLC	East Hampton, NY	99 GWh	-	Sep 2024	Wind
Edgewood Energy LLC	Edgewood Energy LLC	Brentwood, NY	97 GWh	Jun 2002	Dec 2023	Natural Gas
Lockport Energy Associates LP	Lockport Energy Associates LP	Lockport, NY	96 GWh	Jun 1992	Dec 2023	Natural Gas
Bennetts Bridge	Erie Boulevard Hydropower LP	Altmar, NY	96 GWh	Dec 1931	Dec 2023	Water
South Colton	Erie Boulevard Hydropower LP	Colton, NY	95 GWh	Dec 1953	Dec 2023	Water
Harlem River Yard	New York Power Authority	Bronx, NY	93 GWh	Jun 2001	Dec 2023	Natural Gas
Castleton Energy Center	Fortistar Castleton Power	Castleton, NY	90 GWh	Jan 1992	Dec 2023	Natural Gas : 99.4% Distillate Fuel Oil : 0.6%
High Falls - Saranac NY	New York State Elec & Gas Corp	Town of Saranac, NY	88 GWh	Jul 1948	Dec 2023	Water
Schaghticoke	Erie Boulevard Hydropower LP	Schaghticoke, NY	86 GWh	Dec 1907	Dec 2023	Water
Seneca Energy	Seneca Energy II	Seneca Falls, NY	86 GWh	Feb 1996	Sep 2024	Landfill Gas
Pinelawn Power LLC	Pinelawn Power LLC	West Babylon, NY	82 GWh	Jun 2005	Dec 2023	Natural Gas
Prospect	Erie Boulevard Hydropower LP	Prospect, NY	81 GWh	Dec 1958	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