EDWARD C HYATT
OperatingHydro power plant
- Capacity
- 762 MW
- Primary fuel
- Hydro
- County
- Butte County
- Operator
- CALIFORNIA DEPT. OF WATER RESOURCES
- Status
- Operating
- Commissioned
- 1968
- EIA plant ID
- 437
- Coordinates
- 39.5430, -121.4922
EDWARD C HYATT, a 762 MW Hydro power plant in Butte County, California. Operated by CALIFORNIA DEPT. OF WATER RESOURCES, commissioned 1968.
Weather peril exposure
EDWARD C HYATT is a 762 MW hydro power plant in Butte County, CA, operated by CALIFORNIA DEPT. OF WATER RESOURCES, commissioned in 1968. Butte County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.6 of 5 at the 14th national percentile. Wildfire is the leading peril, rated Relatively High by FEMA at the 97th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Butte County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively High | 97th | 4.9 of 5 | <0.01 |
| Earthquake | Relatively Moderate | 94th | 4.8 of 5 | 0.04 |
| Heat wave | Relatively Moderate | 69th | 3.8 of 5 | 6.9 |
| Riverine flooding | Relatively Moderate | 69th | 3.8 of 5 | 1.4 |
| Hail | Relatively Low | 14th | 1.6 of 5 | 0.11 |
| Tornado | Relatively Low | 12th | 1.5 of 5 | 0.15 |
| Lightning | Relatively Moderate | 8th | 1.3 of 5 | 11.9 |
| Strong wind | Very Low | 1st | 1.0 of 5 | 0.02 |
| Winter weather | Relatively Low | 1st | 1.0 of 5 | 10.9 |
Perils not assessed in Butte 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 |
| Coastal flooding | 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 Butte 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.