PSEG SEWAREN GENERATING STATION
OperatingNatural Gas power plant
- Capacity
- 567 MW
- Primary fuel
- Natural Gas
- County
- Middlesex County
- Operator
- PSEG FOSSIL LLC
- Status
- Operating
- Commissioned
- 2018
- EIA plant ID
- 2411
- Coordinates
- 40.5562, -74.2470
PSEG SEWAREN GENERATING STATION, a 567 MW Natural Gas power plant in Middlesex County, New Jersey. Operated by PSEG FOSSIL LLC, commissioned 2018.
Weather peril exposure
PSEG SEWAREN GENERATING STATION is a 567 MW natural gas power plant in Middlesex County, NJ, operated by PSEG FOSSIL LLC, commissioned in 2018. Middlesex County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.6 of 5 at the 14th national percentile. Strong wind is the leading peril, rated Very High by FEMA at the 83rd percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Middlesex County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Strong wind | Very High | 83rd | 4.3 of 5 | 6.9 |
| Earthquake | Relatively Moderate | 77th | 4.1 of 5 | <0.01 |
| Ice storm | Very High | 72nd | 3.9 of 5 | 1.0 |
| Hurricane | Relatively Moderate | 70th | 3.8 of 5 | 0.11 |
| Riverine flooding | Relatively High | 66th | 3.6 of 5 | 3.2 |
| Coastal flooding | Relatively High | 64th | 3.6 of 5 | 3.8 |
| Wildfire | Relatively Low | 50th | 3.0 of 5 | <0.01 |
| Winter weather | Very High | 46th | 2.9 of 5 | 10.6 |
| Tornado | Relatively High | 25th | 2.0 of 5 | 0.12 |
| Hail | Relatively Low | 8th | 1.3 of 5 | 2.4 |
| Lightning | Relatively Moderate | 8th | 1.3 of 5 | 33.6 |
| Heat wave | Relatively Moderate | 1st | 1.1 of 5 | 7.5 |
Model hail, wind and flood exposure for Middlesex County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.