MITCHELL DAM
OperatingHydro power plant
- Capacity
- 170 MW
- Primary fuel
- Hydro
- County
- Coosa County
- Operator
- ALABAMA POWER CO
- Status
- Operating
- Commissioned
- 1949
- EIA plant ID
- 17
- Coordinates
- 32.8049, -86.4461
MITCHELL DAM, a 170 MW Hydro power plant in Coosa County, Alabama. Operated by ALABAMA POWER CO, commissioned 1949.
Weather peril exposure
MITCHELL DAM is a 170 MW hydro power plant in Coosa County, AL, operated by ALABAMA POWER CO, commissioned in 1949. Coosa County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.0 of 5 at the 26th national percentile. Riverine flooding is the leading peril, rated Very Low by FEMA at the 91st 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.
Coosa County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Riverine flooding | Very Low | 91st | 4.6 of 5 | 0.14 |
| Wildfire | Relatively Low | 78th | 4.1 of 5 | <0.01 |
| Tornado | Relatively Low | 71st | 3.8 of 5 | 0.61 |
| Hurricane | Very Low | 67th | 3.7 of 5 | 0.06 |
| Earthquake | Very Low | 60th | 3.4 of 5 | <0.01 |
| Lightning | Very Low | 53rd | 3.1 of 5 | 68.2 |
| Strong wind | Relatively Low | 36th | 2.5 of 5 | 1.4 |
| Heat wave | Relatively Low | 36th | 2.4 of 5 | 6.9 |
| Hail | Very Low | 29th | 2.2 of 5 | 3.4 |
| Ice storm | Very Low | 23rd | 1.9 of 5 | 0.37 |
| Winter weather | Very Low | 10th | 1.4 of 5 | 1.7 |
Perils not assessed in Coosa 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 Coosa 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.