Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Nueces Bay | Barney M Davis |
|---|---|---|
| Capacity | 730.2 MW | 1,082.2 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle, Natural Gas Steam Turbine |
| Operator | City of San Antonio - (TX) | City of San Antonio - (TX) |
| Operating units | 5 | 4 |
| Latest 12-month generation | 1.95 TWh | 1.76 TWh |
| Latest complete-year capacity factor | 28.5% (2025) | 16.7% (2025) |
| National technology rank | #163 of 538 | #163 of 538 |
| Latest EIA report | 2026-06 | 2026-06 |