Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Carlsbad Energy Center | Walnut Creek Energy Park |
|---|---|---|
| 659 MW | 500 MW | |
| Natural Gas Fired Combustion Turbine | Natural Gas Fired Combustion Turbine | |
| NRG California Peaker Operations LLC | Walnut Creek LLC | |
| 5 | 5 | |
| 190.6 GWh | 41.0 GWh | |
| 3.7% (2025) | 1.0% (2025) | |
| #56 of 825 | #90 of 825 | |
| 2026-06 | 2026-06 |