Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Clinch River | Big Sandy Peaker Plant |
|---|---|---|
| Capacity | 475 MW | 353.4 MW |
| Technology | Natural Gas Steam Turbine | Natural Gas Fired Combustion Turbine |
| Operator | Appalachian Power Co | Middle River Power II, LLC |
| Operating units | 3 | 6 |
| Latest 12-month generation | 312.7 GWh | 285.3 GWh |
| Latest complete-year capacity factor | 6.7% (2025) | 9.2% (2024) |
| National technology rank | #60 of 257 | #152 of 825 |
| Latest EIA report | 2026-04 | 2024-12 |