Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Sand Hill | Sim Gideon |
|---|---|---|
| Capacity | 696.4 MW | 623 MW |
| Technology | Natural Gas Fired Combined Cycle, Natural Gas Fired Combustion Turbine | Natural Gas Steam Turbine |
| Operator | Austin Energy | Lower Colorado River Authority |
| Operating units | 8 | 3 |
| Latest 12-month generation | 1.79 TWh | 1.04 TWh |
| Latest complete-year capacity factor | 32.1% (2025) | 19.1% (2024) |
| National technology rank | #329 of 538 | #48 of 257 |
| Latest EIA report | 2026-06 | 2024-12 |