Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Lewiston Niagara | Glenwood Hydro |
|---|---|---|
| Capacity | 220 MW | 1.5 MW |
| Technology | Hydroelectric Pumped Storage | Conventional Hydroelectric |
| Operator | New York Power Authority | Erie Boulevard Hydropower LP |
| Operating units | 12 | 3 |
| Latest 12-month generation | 479.9 GWh | 6.1 GWh |
| Latest complete-year capacity factor | — | 46.0% (2024) |
| National technology rank | #24 of 39 | #1,175 of 1,349 |
| Latest EIA report | 2026-06 | 2024-12 |