Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Arthur Von Rosenberg | Sand Hill |
|---|---|---|
| Capacity | 575 MW | 696.4 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle, Natural Gas Fired Combustion Turbine |
| Operator | City of San Antonio - (TX) | Austin Energy |
| Operating units | 3 | 8 |
| Latest 12-month generation | 3.44 TWh | 1.79 TWh |
| Latest complete-year capacity factor | 71.7% (2025) | 32.1% (2025) |
| National technology rank | #272 of 538 | #329 of 538 |
| Latest EIA report | 2026-06 | 2026-06 |