ROCK-TENN MILL
OperatingBiomass power plant
- Capacity
- 13 MW
- Primary fuel
- Biomass
- County
- Marengo County
- Operator
- ROCK-TENN COMPANY
- Status
- Operating
- Commissioned
- 1982
- EIA plant ID
- 54763
- Coordinates
- 32.4532, -87.9759
ROCK-TENN MILL, a 13 MW Biomass power plant in Marengo County, Alabama. Operated by ROCK-TENN COMPANY, commissioned 1982.
Weather peril exposure
ROCK-TENN MILL is a 13 MW biomass power plant in Marengo County, AL, operated by ROCK-TENN COMPANY, commissioned in 1982. Marengo County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.1 of 5 at the 53rd national percentile. Strong wind is the leading peril, rated Relatively Moderate by FEMA at the 97th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a biomass plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Marengo County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Strong wind | Relatively Moderate | 97th | 4.9 of 5 | 1.7 |
| Tornado | Relatively Moderate | 95th | 4.8 of 5 | 0.71 |
| Lightning | Relatively Moderate | 87th | 4.5 of 5 | 70.5 |
| Hurricane | Relatively Low | 83rd | 4.3 of 5 | 0.11 |
| Earthquake | Relatively Low | 82nd | 4.3 of 5 | <0.01 |
| Riverine flooding | Relatively Low | 77th | 4.1 of 5 | 0.46 |
| Ice storm | Relatively Low | 51st | 3.0 of 5 | 0.51 |
| Heat wave | Relatively Low | 45th | 2.8 of 5 | 10.2 |
| Hail | Very Low | 41st | 2.6 of 5 | 2.1 |
| Wildfire | Very Low | 39th | 2.6 of 5 | <0.01 |
| Winter weather | Very Low | 23rd | 1.9 of 5 | 1.7 |
Perils not assessed in Marengo 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 Marengo 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.