Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Keystone | FirstEnergy Harrison Power Station |
|---|---|---|
| 1,872 MW | 2,052 MW | |
| Conventional Steam Coal | Conventional Steam Coal | |
| KeyCon Operating LLC | Monongahela Power Co | |
| 6 | 3 | |
| 4.29 TWh | 11.02 TWh | |
| 28.0% (2025) | 59.8% (2025) | |
| #20 of 206 | #17 of 206 | |
| 2026-06 | 2026-06 |