GridPlants

Power plants operated by New York Power Authority

New York Power Authority operates 20 power plants in the 2025 EIA-860 data, with 5,896 MW of nameplate capacity, the 44th-largest fleet among the 5,826 operators on file. All of them are in New York. Hydroelectric is 58% of the capacity; the largest site is Robert Moses Niagara. Its oldest working unit dates from 1924, at Crescent. Units added from 2020 to 2025 total 20 MW.

  • Hydroelectric3,421 MW58%
  • Pumped-storage hydro1,240 MW21%
  • Natural gas1,215 MW21%
  • Battery storage20 MW0.3%

Capacity by decade it came online

Natural gasHydroelectricPumped-storage hydroBattery storage

Above the line: capacity operating in 2025. Below: capacity retired at these plants.

1 GW2 GW1920s1930s1940s1950s1960s1970s1980s1990s2000s2010s2020s0

Plants

PlantStateRuns onCapacityFirst unit
Robert Moses NiagaraNew YorkHydroelectric2,429 MW1961
Blenheim GilboaNew YorkPumped-storage hydro1,000 MW1973
Robert Moses Power DamNew YorkHydroelectric912 MW1958
ZeltmannNew YorkNatural gas528 MW2005
Lewiston NiagaraNew YorkPumped-storage hydro240 MW1961
Richard M FlynnNew YorkNatural gas170 MW1994
Harlem River YardNew YorkNatural gas94 MW2001
Hell GateNew YorkNatural gas94 MW2001
Joseph J Seymour Power ProjectNew YorkNatural gas94 MW2001
Vernon BoulevardNew YorkNatural gas94 MW2001
BrentwoodNew YorkNatural gas47 MW2001
North 1stNew YorkNatural gas47 MW2001
PouchNew YorkNatural gas47 MW2001
NeversinkNew YorkHydroelectric25 MW1953
Willis Battery StorageNew YorkBattery storage20 MW2023
GrahamsvilleNew YorkHydroelectric18 MW1956
CrescentNew YorkHydroelectric11.6 MW1924
Vischer FerryNew YorkHydroelectric11.6 MW1924
Jarvis (Hinckley)New YorkHydroelectric9 MW1991
AshokanNew YorkHydroelectric4.6 MW1982