Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Seneca Generation LLC | Conowingo |
|---|---|---|
| 437.9 MW | 530.8 MW | |
| Hydroelectric Pumped Storage, Conventional Hydroelectric | Conventional Hydroelectric | |
| Seneca Generation LLC | Constellation Power, Inc | |
| 3 | 11 | |
| -327.4 GWh | 1.37 TWh | |
| — | 33.3% (2025) | |
| #16 of 39 | #26 of 1,349 | |
| 2026-06 | 2026-06 |