Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | FirstEnergy Harrison Power Station | Cardinal |
|---|---|---|
| 2,052 MW | 1,880.4 MW | |
| Conventional Steam Coal | Conventional Steam Coal | |
| Monongahela Power Co | Cardinal Operating Company | |
| 3 | 3 | |
| 11.02 TWh | 9.64 TWh | |
| 59.8% (2025) | 65.7% (2025) | |
| #17 of 206 | #19 of 206 | |
| 2026-06 | 2026-06 |