CUMBERLAND
OperatingNatural Gas power plant
- Capacity
- 231 MW
- Primary fuel
- Natural Gas
- County
- Cumberland County
- Operator
- CALPINE NEW JERSEY GENERATION LLC
- Status
- Operating
- Commissioned
- 1990
- EIA plant ID
- 5083
- Generators
- 2
- Technology
- Natural Gas Fired Combustion Turbine
- Net generation (2024)
- 59.9 GWh
- Capacity factor (2024, EIA nameplate)
- 2.9%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 39.3757, -74.9654
CUMBERLAND, a 231 MW Natural Gas power plant in Cumberland County, New Jersey. Operated by CALPINE NEW JERSEY GENERATION LLC, commissioned 1990.
How CUMBERLAND compares
With 231 MW of capacity, CUMBERLAND ranks 16th among the 130 operating power plants Bywatts maps in New Jersey and 11th of the 25 operating Natural Gas plants in the state. It accounts for about 2.7% of New Jersey's operating Natural Gas capacity and 1.6% of all operating capacity in the state. Nationally it is the 522nd-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1990, it is older than 82% of the 128 operating New Jersey plants with a recorded commissioning year. Its operator, CALPINE NEW JERSEY GENERATION LLC, runs 2 operating plants in New Jersey totaling 344 MW. It shares Cumberland County with 15 other operating plants, including SHERMAN AVENUE and HOWARD DOWN.
EIA-860 lists 2 generators at the site with 231 MW of nameplate capacity, all natural gas fired combustion turbine technology. Net generation was 59.9 GWh in 2024 (a 2.9% capacity factor). Its generators came online between 1990 and 2009.
Grid neighborhood
The closest transmission line found within 10 miles is a 230 kV line owned by ATLANTIC CITY ELECTRIC CO, under 0.1 miles away. Another 17 operating power plants totaling 246 MW sit within 25 miles; the largest is SHERMAN AVENUE (113 MW, Natural Gas). Within 50 miles are 4 mapped data centers; the nearest is IPR Wilmington CCC in Wilmington, about 40.3 miles away.
Computed by Bywatts from HIFLD power plant and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
CUMBERLAND is a 231 MW natural gas power plant in Cumberland County, NJ, operated by CALPINE NEW JERSEY GENERATION LLC, commissioned in 1990. Cumberland County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.4 of 5 at the 35th national percentile. Coastal flooding is the leading peril, rated Relatively High by FEMA at the 92nd 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.
Cumberland County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Coastal flooding | Relatively High | 92nd | 4.7 of 5 | 3.7 |
| Hurricane | Relatively Moderate | 85th | 4.4 of 5 | 0.14 |
| Earthquake | Relatively Low | 71st | 3.9 of 5 | <0.01 |
| Strong wind | Relatively High | 71st | 3.8 of 5 | 4.7 |
| Winter weather | Relatively High | 65th | 3.6 of 5 | 8.5 |
| Wildfire | Relatively Low | 64th | 3.6 of 5 | <0.01 |
| Ice storm | Relatively Moderate | 35th | 2.4 of 5 | 0.50 |
| Lightning | Relatively Moderate | 24th | 1.9 of 5 | 32.4 |
| Tornado | Relatively Low | 20th | 1.8 of 5 | 0.25 |
| Riverine flooding | Relatively Low | 4th | 1.1 of 5 | 1.9 |
| Heat wave | Relatively Moderate | 2nd | 1.1 of 5 | 4.9 |
| Hail | Relatively Low | 2nd | 1.1 of 5 | 1.6 |
Model hail, wind and flood exposure for Cumberland 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.