FIRSTENERGY DAM 5
OperatingHydro power plant
- Capacity
- 1 MW
- Primary fuel
- Hydro
- County
- Berkeley County
- Operator
- ALLEGHENY ENERGY SUPPLY CO LLC
- Status
- Operating
- Commissioned
- 1919
- EIA plant ID
- 6544
- Coordinates
- 39.6050, -77.9231
FIRSTENERGY DAM 5, a 1 MW Hydro power plant in Berkeley County, West Virginia. Operated by ALLEGHENY ENERGY SUPPLY CO LLC, commissioned 1919.
Weather peril exposure
FIRSTENERGY DAM 5 is a 1 MW hydro power plant in Berkeley County, WV, operated by ALLEGHENY ENERGY SUPPLY CO LLC, commissioned in 1919. Berkeley County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.4 of 5 at the 34th national percentile. Hurricane is the leading peril, rated Relatively Low by FEMA at the 78th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Berkeley County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively Low | 78th | 4.1 of 5 | 0.07 |
| Riverine flooding | Relatively Moderate | 67th | 3.7 of 5 | 2.5 |
| Winter weather | Relatively Moderate | 50th | 3.0 of 5 | 13.6 |
| Earthquake | Relatively Low | 50th | 3.0 of 5 | <0.01 |
| Hail | Relatively Low | 45th | 2.8 of 5 | 3.2 |
| Wildfire | Very Low | 33rd | 2.3 of 5 | <0.01 |
| Lightning | Relatively Moderate | 30th | 2.2 of 5 | 37.4 |
| Heat wave | Relatively Low | 23rd | 1.9 of 5 | 3.6 |
| Tornado | Relatively Low | 23rd | 1.9 of 5 | 0.17 |
| Strong wind | Relatively High | 18th | 1.7 of 5 | 6.0 |
| Ice storm | Relatively Low | 15th | 1.6 of 5 | 0.63 |
Perils not assessed in Berkeley 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 Berkeley 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.