Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Commonwealth Chesapeake | Rosemary Power Station |
|---|---|---|
| 402.5 MW | 180 MW | |
| Petroleum Liquids | Petroleum Liquids | |
| Commonwealth Chesapeake Co LLC | Virginia Electric & Power Co | |
| 7 | 3 | |
| 92.7 GWh | 15.5 GWh | |
| 1.3% (2025) | 1.0% (2024) | |
| #16 of 705 | #35 of 705 | |
| 2026-06 | 2024-12 |