Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Herbert A Wagner | Vienna Operations |
|---|---|---|
| 773.7 MW | 180.6 MW | |
| Petroleum Liquids | Petroleum Liquids | |
| H.A. Wagner LLC | NRG Vienna Operations Inc | |
| 5 | 2 | |
| 346.1 GWh | 4.6 GWh | |
| 2.8% (2025) | 0.3% (2024) | |
| #3 of 705 | #34 of 705 | |
| 2026-06 | 2024-12 |