New York Independent System Operator

Balancing Authority Summary Information

New York Independent System Operator is ranked #12 out of 64 balancing authorities in terms of total annual electricity generation.

Balancing Authority	New York Independent System Operator
States	New Jersey New York
Last Update	Oct 2026
Annual Generation	134.1 TWh
Power Plants	1,334
Utilities	620
Ranked #12 out of 64 in terms of net annual generation
Ranked #9 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 54.2% Nuclear \| 19.4% Water \| 18.3% Wind \| 5.2% Other Fuel \| 2.9%

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

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Rainbow Falls Hydro	Erie Boulevard Hydropower LP	Parishville, NY	84 GWh	Dec 1955	Dec 2025	Water
Five Falls	Erie Boulevard Hydropower LP	Colton, NY	80 GWh	Dec 1954	Dec 2025	Water
Indeck Olean Energy Center	Indeck-Olean Ltd Partnership	Olean, NY	80 GWh	Dec 1993	Nov 2025	Natural Gas : 99.8%
Pouch	New York Power Authority	Staten Island, NY	79 GWh	Jul 2001	Sep 2025	Natural Gas
Stark	Erie Boulevard Hydropower LP	Colton, NY	79 GWh	Dec 1956	Dec 2025	Water
New York University Central Plant	New York University	New York, NY	79 GWh	Dec 1983	Dec 2025	Natural Gas : 96.5% Distillate Fuel Oil : 3.5%
Upper Mechanicville	New York State Elec & Gas Corp	Town of Stillwater, NY	79 GWh	Aug 1983	Dec 2024	Water
Ontario LFGTE	Seneca Energy II	Stanley, NY	78 GWh	Oct 2003	Dec 2025	Landfill Gas
Fenner Wind	CHI Energy Inc	Cazenovia, NY	76 GWh	Sep 2001	Dec 2025	Wind
S A Carlson	Jamestown Board of Public Util	Jamestown, NY	73 GWh	Jul 1951	Dec 2025	Natural Gas
Glen Park Hydroelectric Project	Eagle Creek Renewable Energy, LLC	Watertown, NY	72 GWh	Sep 1999	Dec 2025	Water
Rensselaer Cogen	Rensselaer Generating LLC	Rensselaer, NY	68 GWh	Mar 1994	Dec 2025	Natural Gas : 99.8%
South Colton	Erie Boulevard Hydropower LP	Colton, NY	68 GWh	Dec 1953	Dec 2025	Water
South Glens Falls Hydroelectric	Boralex Hydro Operations Inc	South Glens Falls, NY	64 GWh	Jul 1994	Dec 2025	Water
Indeck Yerkes Energy Center	Indeck-Yerkes Ltd Partnership	Tonawanda, NY	63 GWh	Nov 1989	Dec 2025	Natural Gas
Steel Winds Wind Farm	Evergreen Wind, LLC	Lackawanna, NY	62 GWh	May 2007	Dec 2025	Wind
Schaghticoke	Erie Boulevard Hydropower LP	Schaghticoke, NY	62 GWh	Dec 1907	Dec 2025	Water
High Acres Gas Recovery	WM Renewable Energy LLC	Fairport, NY	62 GWh	Apr 1991	Dec 2025	Landfill Gas
Gowanus Gas Turbines Generating	Astoria Generating Company, L.P.	Brooklyn, NY	61 GWh	May 1971	Dec 2025	Natural Gas : 86.8% Distillate Fuel Oil : 13.2%
Equus Freeport Power	Equus Power I, L.P.	Village of Freeport, NY	60 GWh	May 2004	Dec 2025	Natural Gas : 99.6%
SWM Fuel Cell	Yaphank Fuel Cell Park, LLC	Yaphank, NY	57 GWh	Nov 2021	Dec 2025	Natural Gas
Prospect	Erie Boulevard Hydropower LP	Prospect, NY	55 GWh	Dec 1958	Dec 2025	Water
Marsh Hill Wind Farm	Invenergy Services LLC	Jasper, NY	55 GWh	Oct 2014	Dec 2025	Wind
CH Resources Syracuse	Lakeside Syracuse LLC	Solvay, NY	55 GWh	Dec 1993	Dec 2025	Natural Gas
New York Presbyterian Hospital- 68th Street	NY - PRESBYTERIAN HOSPITAL- 68TH ST	New York, NY	54 GWh	Mar 1997	Dec 2025	Natural Gas : 99.8%
MacArthur Waste to Energy Facility	Reworld MacArthur Renewable Energy	Ronkonkoma, NY	52 GWh	Feb 1990	Jul 2026	Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9%
Mill Seat Renewable Energy Facility	WM Renewable Energy LLC	Bergen, NY	52 GWh	Jun 2007	Dec 2025	Landfill Gas
E J West	Erie Boulevard Hydropower LP	Lake Luzerne, NY	50 GWh	Dec 1929	Dec 2025	Water
Crescent	New York Power Authority	Crescent, NY	50 GWh	Jun 1924	Dec 2025	Water
Baron Winds II	RWE Clean Energy	Steuben, NY	50 GWh	-	Jul 2026	Wind
Wheelabrator Hudson Falls	Wheelabrator Environmental Systems	Hudson Falls, NY	50 GWh	Oct 1991	Jul 2026	Non-biogenic Municipal Solid Waste : 50.5% Biogenic Municipal Solid Waste : 41.3% Natural Gas : 8.2%
Browns Falls	Erie Boulevard Hydropower LP	Oswegatchie, NY	49 GWh	Dec 1922	Dec 2025	Water
Sturgeon	Central Hudson Gas & Elec Corp	Tillson, NY	49 GWh	Dec 1923	Dec 2025	Water
Blake	Erie Boulevard Hydropower LP	Parishville, NY	48 GWh	Dec 1956	Dec 2025	Water
Vischer Ferry	New York Power Authority	Rexford, NY	47 GWh	Jun 1924	Dec 2025	Water
Clinton LFGTE Facility	Casella Waste Systems	Morrisonville, NY	47 GWh	Sep 2008	Dec 2025	Landfill Gas
Shoreham Solar Commons	Deriva Energy	Shoreham, NY	47 GWh	Jun 2018	Jul 2026	Solar
NYU LANGONE HEALTH	NYU LANGONE HEALTH	New York, NY	46 GWh	Sep 1992	Dec 2025	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Steel Winds II	Evergreen Wind, LLC	Lackawanna, NY	45 GWh	Dec 2011	Dec 2025	Wind
Orbit Bloom Fuel Cell	DG Fuel Cell, LLC	Medford, NY	44 GWh	Jul 2020	Dec 2025	Natural Gas
Hannawa	Erie Boulevard Hydropower LP	Pierrepont, NY	44 GWh	Dec 1913	Dec 2025	Water
Massena Energy Facility	Power City Partners LP	Massena, NY	44 GWh	Jun 1992	Oct 2025	Natural Gas
Beardslee	Erie Boulevard Hydropower LP	Little Falls, NY	43 GWh	Dec 1923	Dec 2025	Water
Calverton Solar Energy Center	LI Solar Generation, LLC	Calverton, NY	42 GWh	Jul 2022	Dec 2025	Solar
New York State Dam Hydro	Boralex Hydro Operations Inc	Waterford, NY	42 GWh	Oct 1990	Dec 2025	Water
Brentwood	New York Power Authority	Long Island, NY	41 GWh	Jun 2001	Dec 2025	Natural Gas
Little Falls Hydro	Eagle Creek Renewable Energy, LLC	Little Falls, NY	41 GWh	Dec 1986	Dec 2025	Water
Deferiet	Erie Boulevard Hydropower LP	Deferiet, NY	40 GWh	Dec 1924	Dec 2025	Water
Beebee Island Hydro Plant	Erie Boulevard Hydropower LP	Watertown, NY	40 GWh	Dec 1930	Dec 2025	Water
Apple Staten Island - Industrial Loop	Bloom Energy	Staten Island, NY	40 GWh	May 2022	Dec 2025	Natural Gas
Colonie LFGTE Facility	Innovative Energy Systems Inc	Cohoes, NY	40 GWh	Jan 2006	Dec 2025	Landfill Gas
Apple Staten Island - Winant Place	Bloom Energy	Staten Island, NY	40 GWh	Jul 2022	Dec 2025	Natural Gas
Fuel Cell 3245 Yates Avenue	Bronx Community Clean Energy Project LLC	Bronx, NY	39 GWh	Jul 2022	Dec 2025	Natural Gas
Holtsville	National Grid Generation LLC	Holtsville, NY	39 GWh	Jun 1974	Dec 2025	Kerosene
Green Island Hydroelectric Station	Albany Engineering Corporation	Green Island, NY	38 GWh	Oct 1922	Dec 2025	Water
NY8 - Teichos Pattersonville	MN8 Energy LLC	Pattersonville, NY	37 GWh	Jan 2024	Dec 2025	Solar
Chaffee Gas Recovery	WM Renewable Energy LLC	Chaffee, NY	37 GWh	Jul 2007	Dec 2025	Landfill Gas
Moose River	EONY Generation Limited	Lyons Falls, NY	37 GWh	Oct 1987	Dec 2025	Water
Allegany Cogen	Allegany Generating Station, LLC	Fillmore, NY	37 GWh	May 1994	Dec 2025	Natural Gas
NY8 - Grissom Solar	MN8 Energy LLC	Mohawk, NY	36 GWh	Feb 2023	Dec 2025	Solar
NY8 - Regan Solar	MN8 Energy LLC	Mohawk, NY	35 GWh	Nov 2022	Dec 2025	Solar
Moshier	Erie Boulevard Hydropower LP	Lowville, NY	35 GWh	Dec 1928	Dec 2025	Water
Brookfield Power Glen Falls Hydro	Erie Boulevard Hydropower LP	Glen Falls, NY	35 GWh	Dec 1943	Dec 2025	Water
Long Island Solar Farm LLC	Long Island Solar Farm LLC	Upton, NY	35 GWh	Nov 2011	Jul 2026	Solar
Dutchess Cnty Resource Recovery Facility	Dutchess County RRA - (NY)	Poughkeepsie, NY	34 GWh	Oct 1987	Dec 2025	Non-biogenic Municipal Solid Waste : 52.8% Biogenic Municipal Solid Waste : 43.2% Natural Gas : 4.1%
NY8 - Branscomb Solar	MN8 Energy LLC	Schaghticoke, NY	34 GWh	Nov 2021	Dec 2025	Solar
West Delaware Tunnel Plant	Erie Boulevard Hydropower LP	Grahamsville, NY	34 GWh	Nov 1988	Dec 2025	Water
Riverhead Solar Farm	AES Distributed Energy	Calverton, NY	33 GWh	Jun 2019	Dec 2025	Solar
Plant No 2 Freeport	Village of Freeport - (NY)	Freeport, NY	33 GWh	Apr 1973	Dec 2025	Natural Gas : 97.6% Kerosene : 2.4%
NY8 - ELP Stillwater Solar	MN8 Energy LLC	Mechanicville, NY	33 GWh	Oct 2023	Dec 2025	Solar
Granby	Erie Boulevard Hydropower LP	Fulton, NY	33 GWh	Dec 1982	Dec 2025	Water
Hyland LFGTE Facility	Casella Waste Systems	Angelica, NY	33 GWh	Jul 2008	Jun 2025	Landfill Gas
Modern Innovative Energy LLC	Innovative Energy Systems Inc	Youngstown, NY	33 GWh	Jan 2006	Dec 2025	Landfill Gas
Black River	Erie Boulevard Hydropower LP	Black River, NY	32 GWh	Dec 1919	Dec 2025	Water
Fuel Cell 18B Sneden Avenue	Annadale Community Clean Energy Projects LLC	Staten Island, NY	32 GWh	Nov 2020	Dec 2025	Natural Gas
NY8 - Darby Solar	MN8 Energy LLC	Schaghticoke, NY	32 GWh	May 2023	Dec 2025	Solar
Edgewood Energy LLC	MPH Cross Island Power	Brentwood, NY	32 GWh	Jun 2002	Dec 2025	Natural Gas
NY8 - Puckett Solar	MN8 Energy LLC	Chenango Forks, NY	32 GWh	Sep 2022	Dec 2025	Solar
Soft Maple	Erie Boulevard Hydropower LP	Croghan, NY	32 GWh	Dec 1924	Dec 2025	Water
Model City Energy Facility	Model City Energy LLC	Youngstown, NY	31 GWh	May 2001	Dec 2025	Landfill Gas
NY8 - Janis Solar	MN8 Energy LLC	Willet, NY	31 GWh	Feb 2023	Dec 2025	Solar
Minetto	Erie Boulevard Hydropower LP	Minetto, NY	31 GWh	Dec 1914	Dec 2025	Water
Higley	Erie Boulevard Hydropower LP	Colton, NY	31 GWh	Aug 2003	Dec 2025	Water
Hecate Energy Albany 2 LLC	Greenbacker Renewable Energy Corporation	Coeymans, NY	30 GWh	Mar 2024	Dec 2025	Solar
Montefieor Medical Center Moses Division	Montefiore Medical Center Moses Division	Bronx, NY	30 GWh	Dec 1993	Dec 2025	Natural Gas : 95.4% Distillate Fuel Oil : 4.6%
Albany Medical Ctr Cogen Plant	Albany Medical Center	Albany, NY	29 GWh	Feb 2013	Dec 2025	Natural Gas
Certain Solar - Staten Island	Bloom Energy	Staten Island, NY	29 GWh	Aug 2020	Dec 2025	Natural Gas
Eagle	Erie Boulevard Hydropower LP	Croghan, NY	28 GWh	Dec 1913	Dec 2025	Water
Fuel Cell 18A Sneden Avenue	Annadale Community Clean Energy Projects LLC	Staten Island, NY	28 GWh	Nov 2020	Dec 2025	Natural Gas
Ellis Solar	Altus Power America Management, LLC	Ithaca, NY	28 GWh	Nov 2019	Dec 2025	Solar
Hecate Energy Albany County 1	Greenbacker Renewable Energy Corporation	Coeymans, NY	27 GWh	Jan 2024	Dec 2025	Solar
Lyons Falls Hydroelectric	Northbrook Lyons Falls LLC	Lyons Falls, NY	27 GWh	Nov 1923	Dec 2025	Water
University of Rochester	University of Rochester	Rochester, NY	27 GWh	Sep 2005	Dec 2025	Natural Gas
Danskammer Generating Station	Danskammer Energy	Newburgh, NY	27 GWh	Nov 1951	Dec 2025	Natural Gas : 99.8%
Seneca Energy	Seneca Energy II	Seneca Falls, NY	26 GWh	Feb 1996	Jul 2026	Landfill Gas
Inghams	Erie Boulevard Hydropower LP	Little Falls, NY	26 GWh	Dec 1911	Dec 2025	Water
DANC LFGTE Facility	Innovative Energy Systems Inc	Rodman, NY	25 GWh	Sep 2008	Dec 2025	Landfill Gas
Pasto Solar	Altus Power America Management, LLC	Spencer, NY	25 GWh	Sep 2019	Dec 2025	Solar
High Falls - Croghan NY	Erie Boulevard Hydropower LP	Croghan, NY	25 GWh	Dec 1924	Dec 2025	Water
Pyrites Plant	Central Rivers Power US, LLC	Pyrites, NY	25 GWh	Dec 1948	Dec 2025	Water

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	433.0 GWh	4
#24	Dominion Energy South Carolina, Inc.	26.1 TWh	83
#13	Duke Energy Carolinas	113.4 TWh	578
#17	Duke Energy Progress East	66.2 TWh	574
#50	Duke Energy Progress West	4.6 TWh	15
#15	ISO New England	112.2 TWh	1,667
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.2 TWh	25
#1	PJM Interconnection, LLC	890.9 TWh	2,806
#28	South Carolina Public Service Authority	19.6 TWh	35
#59	Southeastern Power Administration	1.2 TWh	11

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#7	California Independent System Operator	168.7 TWh	2,170
#9	Tennessee Valley Authority	166.2 TWh	209
#10	Florida Power & Light Co.	153.0 TWh	188
#12	New York Independent System Operator	134.1 TWh	1,334
#13	Duke Energy Carolinas	113.4 TWh	578
#15	ISO New England	112.2 TWh	1,667
#16	Bonneville Power Administration	91.1 TWh	170
#17	Duke Energy Progress East	66.2 TWh	574
#18	PacifiCorp East	61.4 TWh	223