Newark Energy Center
Essex County, New Jersey · EIA plant ID 58079 · Operator: Hartree Partners LP
Nameplate735MWSummer 705 MW
Generators3in service
Net generation2,747GWh12 mo to Aug 2026
Capacity factor44%gas/coal/oil units, summer MW
Heat rate7,250Btu/kWhfossil units, electric fuel, HHV
First online2015Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2015 | 1,180.3 | 58.9% | 7,281 |
| 2016 | 4,330.4 | 70.7% | 6,810 |
| 2017 | 4,210.7 | 67.9% | 6,704 |
| 2018 | 4,512.3 | 73.0% | 6,841 |
| 2019 | 5,007.2 | 80.7% | 6,754 |
| 2020 | 4,234.4 | 68.4% | 6,865 |
| 2021 | 4,273.1 | 69.2% | 6,915 |
| 2022 | 4,508 | 73.0% | 6,849 |
| 2023 | 3,681.8 | 59.6% | 6,973 |
| 2024 | 3,122.7 | 50.4% | 7,158 |
| 2025 | 2,601.1 | 42.1% | 7,243 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| GT-1 | Natural Gas Fired Combined Cycle | CT | 225 | 209.3 | Sep 2015 | Operating | — | coming soon |
| GT-2 | Natural Gas Fired Combined Cycle | CT | 225 | 210.4 | Sep 2015 | Operating | — | coming soon |
| STG-1 | Natural Gas Fired Combined Cycle | CA | 285 | 285.3 | Sep 2015 | Operating | — | coming soon |
Owner / operator
Operator: Hartree Partners LP. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Hartree Partners LP | 100.0% | 735 MW |
Nearby plants
Within 80 km.
| Newark Bay Cogeneration Partnership LP | retired | 1.4 km |
| Essex County Correctional Facility Cogen | 6 MW | 1.5 km |
| River Terminal Development Solar | 3 MW | 2.5 km |
| Hudson County Solar | 1 MW | 2.7 km |
| 601 Doremus CDG | 2 MW | 2.8 km |
| Newark Solar 1 LLC | 2 MW | 3 km |