Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | O W Sommers | Rio Nogales Power Project |
|---|---|---|
| 892 MW | 1,108 MW | |
| Natural Gas Steam Turbine | Natural Gas Fired Combined Cycle | |
| City of San Antonio - (TX) | City of San Antonio - (TX) | |
| 2 | 4 | |
| 2.53 TWh | 4.50 TWh | |
| 32.3% (2024) | 42.7% (2025) | |
| #33 of 257 | #102 of 538 | |
| 2024-12 | 2026-06 |