Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Watson Cogeneration | El Segundo Energy Center LLC |
|---|---|---|
| 405 MW | 537.4 MW | |
| Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle | |
| ARCO Products Co-Watson | NRG Energy Services LLC | |
| 6 | 4 | |
| 2.38 TWh | 47.1 GWh | |
| 65.8% (2025) | 1.0% (2025) | |
| #326 of 538 | #298 of 538 | |
| 2026-06 | 2026-06 |