LOWER MOUNT BETHEL ENERGY
OperatingNatural Gas power plant
- Capacity
- 652 MW
- Primary fuel
- Natural Gas
- County
- Northampton County
- Operator
- LOWER MOUNT BETHEL ENERGY LLC
- Status
- Operating
- Commissioned
- 2004
- EIA plant ID
- 55667
- Generators
- 3
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 3,985 GWh
- Capacity factor (2024, EIA nameplate)
- 70%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 40.8019, -75.1074
LOWER MOUNT BETHEL ENERGY, a 652 MW Natural Gas power plant in Northampton County, Pennsylvania. Operated by LOWER MOUNT BETHEL ENERGY LLC, commissioned 2004.
How LOWER MOUNT BETHEL ENERGY compares
With 652 MW of capacity, LOWER MOUNT BETHEL ENERGY ranks 20th among the 170 operating power plants Bywatts maps in Pennsylvania and 8th of the 28 operating Natural Gas plants in the state. It accounts for about 6.1% of Pennsylvania's operating Natural Gas capacity and 1.7% of all operating capacity in the state. Nationally it is the 227th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2004, it is newer than 60% of the 168 operating Pennsylvania plants with a recorded commissioning year. It shares Northampton County with 5 other operating plants, including PPL MARTINS CREEK and BETHLEHEM POWER PLANT.
EIA-860 lists 3 generators at the site with 652 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 3,985 GWh in 2024 (a 70% capacity factor), down 7% from 2022.
Grid neighborhood
The nearest named substation is STEEL CITY (500 kV), about 16.4 miles away; the closest transmission line found within 10 miles is a 230 kV line owned by METROPOLITAN EDISON CO, under 0.1 miles away. Another 16 operating power plants totaling 4,324 MW sit within 25 miles; the largest is PPL MARTINS CREEK (1,790 MW, Oil). Within 50 miles are 4 mapped data centers; the nearest is QTS Piscataway (PNJ1) in Piscataway, about 36.8 miles away.
Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
LOWER MOUNT BETHEL ENERGY is a 652 MW natural gas power plant in Northampton County, PA, operated by LOWER MOUNT BETHEL ENERGY LLC, commissioned in 2004. Northampton County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.3 of 5 at the 8th national percentile. Hurricane is the leading peril, rated Relatively Moderate by FEMA at the 74th 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.
Northampton County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively Moderate | 74th | 4.0 of 5 | 0.06 |
| Lightning | Relatively High | 65th | 3.6 of 5 | 34.6 |
| Riverine flooding | Relatively High | 64th | 3.6 of 5 | 3.3 |
| Earthquake | Relatively Low | 56th | 3.2 of 5 | <0.01 |
| Winter weather | Relatively High | 51st | 3.0 of 5 | 14.2 |
| Strong wind | Relatively Moderate | 46th | 2.9 of 5 | 6.1 |
| Tornado | Relatively Moderate | 28th | 2.1 of 5 | 0.17 |
| Ice storm | Relatively Moderate | 12th | 1.5 of 5 | 1.7 |
| Wildfire | Very Low | 12th | 1.5 of 5 | <0.01 |
| Hail | Very Low | 9th | 1.4 of 5 | 2.6 |
| Heat wave | Relatively Moderate | 8th | 1.3 of 5 | 5.9 |
Perils not assessed in Northampton County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Northampton 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.