Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Guadalupe Generating Station | Formosa Utility Venture Ltd |
|---|---|---|
| Capacity | 1,088.2 MW | 933.4 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle |
| Operator | Guadalupe Power Partners LP | Formosa Plastics Corp |
| Operating units | 6 | 13 |
| Latest 12-month generation | 5.31 TWh | 4.89 TWh |
| Latest complete-year capacity factor | 59.9% (2025) | 60.5% (2025) |
| National technology rank | #82 of 538 | #106 of 538 |
| Latest EIA report | 2026-06 | 2026-06 |