Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Edward C Hyatt | Rock Creek |
|---|---|---|
| 644.1 MW | 126 MW | |
| Conventional Hydroelectric, Hydroelectric Pumped Storage | Conventional Hydroelectric | |
| California Dept. of Water Resources | Pacific Gas & Electric Co. | |
| 6 | 2 | |
| 2.08 TWh | 448.9 GWh | |
| 34.6% (2025) | 54.1% (2025) | |
| #39 of 1,349 | #125 of 1,349 | |
| 2026-06 | 2026-06 |