Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Clinch River | Darby Power, LLC |
|---|---|---|
| Capacity | 475 MW | 564 MW |
| Technology | Natural Gas Steam Turbine | Natural Gas Fired Combustion Turbine |
| Operator | Appalachian Power Co | Darby Power, LLC |
| Operating units | 3 | 6 |
| Latest 12-month generation | 312.7 GWh | 510.4 GWh |
| Latest complete-year capacity factor | 6.7% (2025) | 10.3% (2024) |
| National technology rank | #60 of 257 | #76 of 825 |
| Latest EIA report | 2026-04 | 2024-12 |