Rariton OMP
Somerset County, New Jersey · EIA plant ID 59055 · Operator: Janssen Pharmaceutical Co
×3 MW natural gas retired since 2020 (latest Mar 2024)
Nameplate2MWSummer 2 MW
Generators1in service
Net generation1GWh12 mo to Dec 2025
Capacity factor6%solar units, summer MW
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online2012
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), solar 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) |
|---|---|---|---|
| 2013 | 6.2 | 6.8% | 10,131 |
| 2014 | 4.3 | 6.7% | 8,517 |
| 2015 | 4.3 | 7.1% | 9,576 |
| 2016 | 2.8 | 6.7% | 8,502 |
| 2017 | 1.1 | 4.8% | — |
| 2019 | 1.5 | 6.1% | 21,237 |
| 2020 | 1 | 4.5% | 26,541 |
| 2021 | 0.3 | 1.6% | — |
| 2022 | 2.6 | 6.7% | 8,362 |
| 2023 | 2.5 | 7.3% | 7,747 |
| 2024 | 1.2 | 7.7% | — |
| 2025 | 0.9 | 6.1% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| PV1 | Solar Photovoltaic | PV | 1.7 | 1.7 | Apr 2012 | Operating | — | coming soon |
| CHP1 | Natural Gas Internal Combustion Engine | IC | 3 | 3 | Feb 2009 | Retired Mar 2024 | — | coming soon |
Owner / operator
Operator: Janssen Pharmaceutical Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Janssen Pharmaceutical Co | 100.0% | 2 MW |
Nearby plants
Within 80 km.
| Skillman | 1 MW | 0 km |
| Raritan ITS | 2 MW | 0.5 km |
| LabCorp Engine | 3 MW | 0.8 km |
| Thermo Fisher | 2 MW | 1.6 km |
| 50 Meister Ave | — | 5.1 km |
| Imclone Solar Electric Facility | 8 MW | 5.6 km |