609.5 MW Natural Gas operating in Middlesex, NJ — PJM Interconnection, LLC
609.5 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combined Cycle
Technology
2018
Operating Since
Coordinates
40.5558, -74.2469
County
Middlesex, NJ
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Sewaren Generating Station | — | — |
| Owner(s) | Sewaren Generating Station | — | — |
| Status | Operating | — | — |
PSEG Sewaren Generating Station is a 609.5 MW natural gas-fired combined cycle power plant located in Middlesex County, New Jersey. The plant began operating in 2018 and is owned and operated by Sewaren Generating Station. It consists of two generators utilizing combined cycle technology. The plant is located within the PJM Interconnection, LLC balancing authority and the RFC NERC region.
In its most recent year of operation, the PSEG Sewaren Generating Station produced 2,122,743 MWh of electricity, achieving a capacity factor of 39.7%. The plant is ranked as the 9th largest power plant in New Jersey out of 19, and nationally it is ranked 392 out of 945 plants.
Generated from EIA, GEM, and public data sources
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
299.3K MWh
Latest Month
2.1M MWh
Annual Generation
39.7%
Capacity Factor
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Sewaren 7 · 230 kV
Substation Distance
< 10 km
Operator
Public Service Enterprise Group
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
1379266905
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
Last updated 2026-03-14
View all 9 articles