Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Tenaska Frontier Generation Station Grimes County | Channelview Cogeneration Plant Harris County |
|---|---|---|
| Capacity | 939.7 MW | 918.3 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle |
| Operator | Tenaska Frontier Partners Ltd | EIF Channelview Cogeneration LLC |
| Operating units | 4 | 5 |
| Latest 12-month generation | 3.81 TWh | 5.53 TWh |
| Latest complete-year capacity factor | 42.6% (2025) | 68.3% (2025) |
| National technology rank | #103 of 538 | #112 of 538 |
| Latest EIA report | 2026-04 | 2026-04 |
Generation comes from EIA-923. Capacity, unit counts, technology, and reporting relationships come from EIA-860. Incomplete reporting years are excluded from capacity-factor comparisons.