SIPHON POWER PROJECT
OperatingHydro power plant
- Capacity
- 5 MW
- Primary fuel
- Hydro
- County
- Deschutes County
- Operator
- CENTRAL OREGON IRRIGATION DIST
- Status
- Operating
- Commissioned
- 1989
- EIA plant ID
- 50980
- Coordinates
- 44.0758, -121.3060
SIPHON POWER PROJECT, a 5 MW Hydro power plant in Deschutes County, Oregon. Operated by CENTRAL OREGON IRRIGATION DIST, commissioned 1989.
Weather peril exposure
SIPHON POWER PROJECT is a 5 MW hydro power plant in Deschutes County, OR, operated by CENTRAL OREGON IRRIGATION DIST, commissioned in 1989. Deschutes County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.2 of 5 at the 30th national percentile. Wildfire is the leading peril, rated Relatively High by FEMA at the 88th 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.
Deschutes County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively High | 88th | 4.5 of 5 | <0.01 |
| Lightning | Relatively High | 71st | 3.8 of 5 | 13.7 |
| Earthquake | Relatively Low | 62nd | 3.5 of 5 | <0.01 |
| Heat wave | Relatively Low | 55th | 3.2 of 5 | 2.4 |
| Riverine flooding | Relatively Moderate | 46th | 2.8 of 5 | 0.50 |
| Hail | Relatively Moderate | 45th | 2.8 of 5 | 0.39 |
| Strong wind | Relatively Low | 5th | 1.2 of 5 | 0.06 |
| Winter weather | Relatively High | 4th | 1.2 of 5 | 19.8 |
| Tornado | Very Low | 2nd | 1.1 of 5 | 0.05 |
| Ice storm | Relatively Low | 1st | 1.1 of 5 | 0.02 |
Perils not assessed in Deschutes 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 |
Model hail, wind and flood exposure for Deschutes 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.