Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Selkirk Cogen | Caithness Long Island Energy Center |
|---|---|---|
| Capacity | 434 MW | 348.9 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle |
| Operator | Selkirk Cogen Partners LP | Caithness Long Island, LLC |
| Operating units | 5 | 2 |
| Latest 12-month generation | 92.4 GWh | 2.27 TWh |
| Latest complete-year capacity factor | 2.4% (2024) | 78.1% (2025) |
| National technology rank | #320 of 538 | #339 of 538 |
| Latest EIA report | 2024-12 | 2026-06 |