Power plants in the New York ISO balancing area

The New York ISO balancing area takes in 1,093 power plants with 45.6 GW of nameplate capacity, the seventh-largest of the 40 areas covered here. Its plants sit in two states, with New York holding 96% of the capacity. Natural gas makes up 57% of the mix, and the largest plant is Robert Moses Niagara (2,429 MW). Since 2020, 4,954 MW has come online here, 49% of it solar.

Natural gas25,892 MW57%
Hydroelectric4,681 MW10%
Oil and petroleum3,875 MW8.5%
Nuclear3,398 MW7.4%
Solar2,943 MW6.5%
Wind2,868 MW6.3%
Pumped-storage hydro1,240 MW2.7%
Biomass and waste453 MW1.0%
Battery storage275 MW0.6%

Capacity by decade it came online

NuclearNatural gasOil and petroleumHydroelectricPumped-storage hydroWindSolarBattery storageBiomass and waste

Above the line: capacity operating in 2025. Below: capacity retired at plants that still run.

The 25 largest plants in the area

Rank	Plant	State	Runs on	Capacity	First unit
1	Robert Moses Niagara	New York	Hydroelectric	2,429 MW	1961
2	Ravenswood	New York	Natural gas	2,096 MW	1963
3	Nine Mile Point Nuclear Station	New York	Nuclear	1,901 MW	1969
4	Oswego Harbor Power	New York	Oil and petroleum	1,804 MW	1975
5	Northport	New York	Natural gas	1,564 MW	1967
6	Cricket Valley Energy	New York	Natural gas	1,312 MW	2020
7	Bowline Point	New York	Natural gas	1,242 MW	1972
8	Roseton Generating Facility	New York	Natural gas	1,242 MW	1974
9	Athens Generating Plant	New York	Natural gas	1,222 MW	2003
10	Sithe Independence Station	New York	Natural gas	1,158 MW	1994
11	Blenheim Gilboa	New York	Pumped-storage hydro	1,000 MW	1973
12	Linden Cogen Plant	New Jersey	Natural gas	974 MW	1992
13	Astoria Generating Station	New York	Natural gas	958 MW	1954
14	Robert Moses Power Dam	New York	Hydroelectric	912 MW	1958
15	Bethlehem Energy Center	New York	Natural gas	893 MW	2005
16	James A Fitzpatrick	New York	Nuclear	883 MW	1976
17	Arthur Kill Generating Station	New York	Natural gas	878 MW	1959
18	CPV Valley Energy Center	New York	Natural gas	770 MW	2018
19	East River	New York	Natural gas	716 MW	1951
20	E F Barrett	New York	Natural gas	669 MW	1956
21	Empire Generating Co LLC	New York	Natural gas	654 MW	2010
22	Astoria Energy II	New York	Natural gas	650 MW	2011
23	Bayonne Energy Center	New Jersey	Natural gas	644 MW	2012
24	Gowanus Gas Turbines Generating	New York	Natural gas	640 MW	1971
25	R E Ginna Nuclear Power Plant	New York	Nuclear	614 MW	1970

States

State	Plants	Capacity
New York	1,089	44.0 GW
New Jersey	4	1,622 MW

Operators with the most capacity

Operator	Plants	Capacity
New York Power Authority	20	5,896 MW
National Grid Generation LLC	12	3,945 MW
Constellation Nuclear	3	3,398 MW
Ravenswood Operations LLC	1	2,096 MW
Astoria Generating Company, L.P.	3	1,950 MW
Oswego Harbor Power	1	1,804 MW
Cricket Valley Energy Center LLC	1	1,312 MW
Bowline, LLC	1	1,242 MW
CCI Roseton LLC	1	1,242 MW
New Athens Generating Company LLC	1	1,222 MW