Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Watson Cogeneration | Glenarm |
|---|---|---|
| 405 MW | 265.6 MW | |
| Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle, Natural Gas Fired Combustion Turbine | |
| ARCO Products Co-Watson | City of Pasadena - (CA) | |
| 6 | 6 | |
| 2.38 TWh | 38.5 GWh | |
| 65.8% (2025) | 1.7% (2024) | |
| #326 of 538 | #269 of 825 | |
| 2026-06 | 2024-12 |