Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Sewaren | Newark Energy Center |
|---|---|---|
| Capacity | 609.5 MW | 735 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle |
| Operator | Sewaren Generating Station | Hartree Partners LP |
| Operating units | 7 | 3 |
| Latest 12-month generation | 2.14 TWh | 2.74 TWh |
| Latest complete-year capacity factor | 39.8% (2025) | 40.4% (2025) |
| National technology rank | #241 of 538 | #161 of 538 |
| Latest EIA report | 2026-04 | 2026-04 |