Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | O W Sommers | Arthur Von Rosenberg |
|---|---|---|
| 892 MW | 575 MW | |
| Natural Gas Steam Turbine | Natural Gas Fired Combined Cycle | |
| City of San Antonio - (TX) | City of San Antonio - (TX) | |
| 2 | 3 | |
| 2.53 TWh | 3.44 TWh | |
| 32.3% (2024) | 71.7% (2025) | |
| #33 of 257 | #272 of 538 | |
| 2024-12 | 2026-06 |