Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Deer Park Energy Center | T H Wharton |
|---|---|---|
| Capacity | 1,176 MW | 1,189.9 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combustion Turbine, Natural Gas Fired Combined Cycle |
| Operator | Deer Park Energy Center | NRG Texas Power LLC |
| Operating units | 6 | 17 |
| Latest 12-month generation | 7.56 TWh | 590.0 GWh |
| Latest complete-year capacity factor | 75.9% (2025) | 7.7% (2025) |
| National technology rank | #64 of 538 | #203 of 538 |
| Latest EIA report | 2026-06 | 2026-06 |