MARTINEZ SULFURIC ACID REGENERATION PLT
OperatingPower plant
- Capacity
- 4 MW
- Primary fuel
- Other
- County
- Contra Costa County
- Operator
- RHODIA INC
- Status
- Operating
- Commissioned
- 1978
- EIA plant ID
- 52063
- Coordinates
- 38.0331, -122.1160
MARTINEZ SULFURIC ACID REGENERATION PLT, a 4 MW power plant in Contra Costa County, California. Operated by RHODIA INC, commissioned 1978.
Weather peril exposure
MARTINEZ SULFURIC ACID REGENERATION PLT is a 4 MW power plant in Contra Costa County, CA, operated by RHODIA INC, commissioned in 1978. Contra Costa County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.5 of 5 at the 13th national percentile. Earthquake is the leading peril, rated Relatively High by FEMA at the 99th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to this plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Contra Costa County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively High | 99th | 5.0 of 5 | 0.13 |
| Riverine flooding | Very High | 93rd | 4.7 of 5 | 1.2 |
| Wildfire | Relatively Moderate | 91st | 4.6 of 5 | <0.01 |
| Heat wave | Relatively High | 45th | 2.8 of 5 | 8.5 |
| Coastal flooding | Relatively Moderate | 41st | 2.6 of 5 | 1.5 |
| Tornado | Relatively Low | 9th | 1.4 of 5 | 0.10 |
| Hail | Very Low | 4th | 1.2 of 5 | 0.04 |
| Strong wind | Relatively Low | 2nd | 1.1 of 5 | 0.04 |
| Lightning | Relatively High | 2nd | 1.1 of 5 | 4.5 |
| Winter weather | Very Low | 1st | 1.0 of 5 | 0.44 |
Perils not assessed in Contra Costa 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 |
|---|---|
| Hurricane | FEMA rating is "Not Applicable" for this county |
| Ice storm | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Contra Costa 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.