EDWARD L. ADDISON GENERATING PLANT
OperatingNatural Gas power plant
- Capacity
- 701 MW
- Primary fuel
- Natural Gas
- County
- Upson County
- Operator
- SOUTHERN POWER CO
- Status
- Operating
- Commissioned
- 2000
- EIA plant ID
- 55267
- Coordinates
- 32.9115, -84.3062
EDWARD L. ADDISON GENERATING PLANT, a 701 MW Natural Gas power plant in Upson County, Georgia. Operated by SOUTHERN POWER CO, commissioned 2000.
Weather peril exposure
EDWARD L. ADDISON GENERATING PLANT is a 701 MW natural gas power plant in Upson County, GA, operated by SOUTHERN POWER CO, commissioned in 2000. Upson County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.5 of 5 at the 37th national percentile. Lightning is the leading peril, rated Relatively Low by FEMA at the 97th 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.
Upson County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Relatively Low | 97th | 4.9 of 5 | 63.2 |
| Hurricane | Relatively Low | 66th | 3.6 of 5 | 0.06 |
| Earthquake | Very Low | 57th | 3.3 of 5 | <0.01 |
| Hail | Relatively Low | 50th | 3.0 of 5 | 3.5 |
| Wildfire | Very Low | 47th | 2.9 of 5 | <0.01 |
| Strong wind | Relatively Low | 46th | 2.8 of 5 | 1.9 |
| Tornado | Relatively Low | 38th | 2.5 of 5 | 0.22 |
| Ice storm | Very Low | 35th | 2.4 of 5 | 0.47 |
| Heat wave | Relatively Low | 30th | 2.2 of 5 | 5.3 |
| Winter weather | Very Low | 24th | 1.9 of 5 | 0.89 |
| Riverine flooding | Very Low | 20th | 1.8 of 5 | 0.93 |
Perils not assessed in Upson 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 Upson 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.