Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | O W Sommers | Guadalupe Generating Station |
|---|---|---|
| 892 MW | 1,088.2 MW | |
| Natural Gas Steam Turbine | Natural Gas Fired Combined Cycle | |
| City of San Antonio - (TX) | Guadalupe Power Partners LP | |
| 2 | 6 | |
| 2.53 TWh | 5.31 TWh | |
| 32.3% (2024) | 59.9% (2025) | |
| #33 of 257 | #82 of 538 | |
| 2024-12 | 2026-06 |