Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Warren County | York Energy Center |
|---|---|---|
| 1,472.2 MW | 1,449.4 MW | |
| Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle | |
| Virginia Electric & Power Co | Calpine Mid-Merit LLC | |
| 4 | 7 | |
| 8.33 TWh | 9.00 TWh | |
| 67.4% (2025) | 69.2% (2025) | |
| #19 of 538 | #24 of 538 | |
| 2026-06 | 2026-06 |