FRIES HYDROELECTRIC PROJECT
OperatingHydro power plant
- Capacity
- 5 MW
- Primary fuel
- Hydro
- County
- Grayson County
- Operator
- AQUENERGY SYSTEMS INC
- Status
- Operating
- Commissioned
- 1933
- EIA plant ID
- 10798
- Coordinates
- 36.7143, -80.9873
FRIES HYDROELECTRIC PROJECT, a 5 MW Hydro power plant in Grayson County, Virginia. Operated by AQUENERGY SYSTEMS INC, commissioned 1933.
Weather peril exposure
FRIES HYDROELECTRIC PROJECT is a 5 MW hydro power plant in Grayson County, VA, operated by AQUENERGY SYSTEMS INC, commissioned in 1933. Grayson County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.5 of 5 at the 12th national percentile. Lightning is the leading peril, rated Relatively Low by FEMA at the 73rd 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.
Grayson County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Relatively Low | 73rd | 3.9 of 5 | 47.6 |
| Riverine flooding | Very Low | 67th | 3.7 of 5 | 1.3 |
| Ice storm | Relatively Low | 64th | 3.6 of 5 | 0.61 |
| Hurricane | Very Low | 61st | 3.4 of 5 | 0.03 |
| Earthquake | Very Low | 58th | 3.3 of 5 | <0.01 |
| Wildfire | Very Low | 56th | 3.2 of 5 | <0.01 |
| Winter weather | Relatively Low | 35th | 2.4 of 5 | 19.3 |
| Strong wind | Relatively Low | 34th | 2.4 of 5 | 2.6 |
| Tornado | Very Low | 25th | 2.0 of 5 | 0.09 |
| Hail | Very Low | 24th | 1.9 of 5 | 4.0 |
Perils not assessed in Grayson 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 |
| Heat wave | FEMA rating is "No Rating" for this county |
Model hail, wind and flood exposure for Grayson 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.