PLANT MCDONOUGH
OperatingCoal power plant
- Capacity
- 2,604 MW
- Primary fuel
- Coal
- County
- Cobb County
- Operator
- GEORGIA POWER CO
- Status
- Operating
- Commissioned
- 1971
- EIA plant ID
- 710
- Coordinates
- 33.8238, -84.4757
PLANT MCDONOUGH, a 2,604 MW Coal power plant in Cobb County, Georgia. Operated by GEORGIA POWER CO, commissioned 1971.
Weather peril exposure
PLANT MCDONOUGH is a 2,604 MW coal power plant in Cobb County, GA, operated by GEORGIA POWER CO, commissioned in 1971. Cobb County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.0 of 5 at the 51st national percentile. Lightning is the leading peril, rated Very High by FEMA at the 74th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Cobb County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Very High | 74th | 4.0 of 5 | 62.3 |
| Earthquake | Relatively Moderate | 66th | 3.6 of 5 | <0.01 |
| Tornado | Relatively High | 63rd | 3.5 of 5 | 0.21 |
| Hail | Relatively High | 61st | 3.4 of 5 | 5.6 |
| Ice storm | Relatively High | 60th | 3.4 of 5 | 1.2 |
| Hurricane | Relatively Low | 39th | 2.6 of 5 | 0.04 |
| Riverine flooding | Relatively High | 37th | 2.5 of 5 | 1.3 |
| Wildfire | Very Low | 28th | 2.1 of 5 | <0.01 |
| Winter weather | Relatively Moderate | 17th | 1.7 of 5 | 2.8 |
| Heat wave | Relatively Moderate | 17th | 1.7 of 5 | 2.2 |
| Strong wind | Relatively Moderate | 15th | 1.6 of 5 | 2.8 |
Perils not assessed in Cobb 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 Cobb 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.