PLANT 31 PAPER MILL
OperatingBiomass power plant
- Capacity
- 45 MW
- Primary fuel
- Biomass
- County
- Ouachita Parish
- Operator
- GRAPHIC PACKAGING INTERNATIONAL
- Status
- Operating
- Commissioned
- 1964
- EIA plant ID
- 50028
- Coordinates
- 32.4833, -92.1534
PLANT 31 PAPER MILL, a 45 MW Biomass power plant in Ouachita Parish, Louisiana. Operated by GRAPHIC PACKAGING INTERNATIONAL, commissioned 1964.
Weather peril exposure
PLANT 31 PAPER MILL is a 45 MW biomass power plant in Ouachita Parish, LA, operated by GRAPHIC PACKAGING INTERNATIONAL, commissioned in 1964. Ouachita Parish carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.8 of 5 at the 45th national percentile. Ice storm is the leading peril, rated Very High by FEMA at the 86th 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.
Ouachita Parish hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Very High | 86th | 4.5 of 5 | 1.2 |
| Lightning | Relatively High | 80th | 4.2 of 5 | 67.9 |
| Earthquake | Relatively Low | 76th | 4.0 of 5 | <0.01 |
| Hurricane | Relatively Low | 65th | 3.6 of 5 | 0.05 |
| Heat wave | Relatively High | 59th | 3.4 of 5 | 21.1 |
| Strong wind | Relatively High | 59th | 3.3 of 5 | 3.6 |
| Hail | Relatively Moderate | 56th | 3.2 of 5 | 3.3 |
| Winter weather | Relatively Low | 44th | 2.8 of 5 | 2.9 |
| Tornado | Relatively High | 37th | 2.5 of 5 | 0.49 |
| Wildfire | Very Low | 30th | 2.2 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 16th | 1.7 of 5 | 1.9 |
Perils not assessed in Ouachita Parish
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 Ouachita Parish 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.