Pumped Storage Hydro Plants in New York
Every operating pumped storage hydro plant in New York on EIA-860M for 2026-07: 2 plants, 16 generating units and 1 GW of nameplate capacity across 2 counties, most of it inside NYISO.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Plants
- 2
- 16 generating units
- Nameplate capacity
- 1 GW
- Counties
- 2
- Grid operator
- NYISO
- covers most of these plants
Map of pumped storage hydro plants in New York
Every one of the 2 plants is drawn at the coordinate EIA files for it.
Loading map…
- Pumped storage · 2
List of pumped storage hydro plants in New York
Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.
| Blenheim GilboaHydroelectric Pumped Storage | New York Power Authority | Schoharie | 1,000 | 4 | 1973 | Operating |
| Lewiston NiagaraHydroelectric Pumped Storage | New York Power Authority | Niagara | 240 | 12 | 1961 | Operating |
Largest pumped storage hydro plants in New York
- 1Blenheim GilboaSchoharie County, New York1,000 MW
- 2Lewiston NiagaraNiagara County, New York240 MW
Pumped storage hydro plants by county in New York
The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.
| County | Plants | Nameplate MW |
|---|---|---|
| Schoharie | 1 | 1,000 |
| Niagara | 1 | 240 |
Pumped Storage Hydro Plants in New York: FAQ
- How many pumped storage hydro plants are in New York?
- 2, with 1 GW of nameplate capacity between them, spread over 2 counties. That is the EIA-860M operating count for 2026-07.
- Is there a map of New York pumped storage hydro plants?
- Yes — the map above. Each dot is one pumped storage hydro plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
- Which is the largest pumped storage hydro plant in New York?
- Blenheim Gilboa, at 1 GW. The table is sorted largest first, so the rest follow it.
- Is there a pumped storage hydro plant near me in New York?
- The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
- Which grid operator runs New York's pumped storage hydro plants?
- Most of them sit inside NYISO, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.
- How current is this, and what is left out?
- EIA-860M for 2026-07. Hydroelectric pumped storage. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.