Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Herbert A Wagner | Philadelphia |
|---|---|---|
| 773.7 MW | 82.8 MW | |
| Petroleum Liquids | Petroleum Liquids | |
| H.A. Wagner LLC | Constellation Power Source Generation, LLC | |
| 5 | 4 | |
| 346.1 GWh | 4.9 GWh | |
| 2.8% (2025) | 0.7% (2024) | |
| #3 of 705 | #64 of 705 | |
| 2026-06 | 2024-12 |