Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Ray Olinger | R W Miller |
|---|---|---|
| Capacity | 427.7 MW | 537.6 MW |
| Technology | Natural Gas Fired Combustion Turbine, Natural Gas Steam Turbine | Natural Gas Steam Turbine, Natural Gas Fired Combustion Turbine |
| Operator | City of Garland - (TX) | RW Miller Power LLC |
| Operating units | 4 | 5 |
| Latest 12-month generation | 40.4 GWh | 722.3 GWh |
| Latest complete-year capacity factor | 1.1% (2024) | 10.1% (2024) |
| National technology rank | #76 of 257 | #72 of 257 |
| Latest EIA report | 2024-12 | 2026-06 |