RATHDRUM POWER LLC
OperatingNatural Gas power plant
- Capacity
- 302 MW
- Primary fuel
- Natural Gas
- County
- Kootenai County
- Operator
- RATHDRUM OPERATING SERVICES CO., INC.
- Status
- Operating
- Commissioned
- 2001
- EIA plant ID
- 55179
- Generators
- 2
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 1,373 GWh
- Capacity factor (2024, EIA nameplate)
- 52%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 47.8043, -116.8672
RATHDRUM POWER LLC, a 302 MW Natural Gas power plant in Kootenai County, Idaho. Operated by RATHDRUM OPERATING SERVICES CO., INC., commissioned 2001.
How RATHDRUM POWER LLC compares
With 302 MW of capacity, RATHDRUM POWER LLC ranks 4th among the 123 operating power plants Bywatts maps in Idaho and is the largest of the 4 operating Natural Gas plants in the state. It accounts for about 33% of Idaho's operating Natural Gas capacity and 6.1% of all operating capacity in the state. Nationally it is the 455th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2001, it is newer than 61% of the 121 operating Idaho plants with a recorded commissioning year. It shares Kootenai County with 3 other operating plants, including RATHDRUM and POST FALLS.
EIA-860 lists 2 generators at the site with 302 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 1,373 GWh in 2024 (a 52% capacity factor), down 17% from 2022.
Grid neighborhood
The nearest named substation is RATHDRUM (230 kV), about 0.1 miles away; the closest transmission line found within 10 miles is a 230 kV line owned by AVISTA CORP, under 0.1 miles away. Another 6 operating power plants totaling 288 MW sit within 25 miles; the largest is RATHDRUM (166 MW, Natural Gas). Within 50 miles are 2 mapped data centers; the nearest is TierPoint Spokane in Liberty Lake, about 13.9 miles away.
Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
RATHDRUM POWER LLC is a 302 MW natural gas power plant in Kootenai County, ID, operated by RATHDRUM OPERATING SERVICES CO., INC., commissioned in 2001. Kootenai County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.0 of 5 at the 1st national percentile. Wildfire is the leading peril, rated Relatively Low by FEMA at the 62nd percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Kootenai County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively Low | 62nd | 3.5 of 5 | <0.01 |
| Earthquake | Relatively Low | 60th | 3.4 of 5 | <0.01 |
| Heat wave | Relatively Moderate | 59th | 3.4 of 5 | 3.3 |
| Riverine flooding | Relatively Moderate | 49th | 2.9 of 5 | 1.2 |
| Winter weather | Relatively High | 44th | 2.8 of 5 | 26.8 |
| Ice storm | Relatively High | 15th | 1.6 of 5 | 0.25 |
| Strong wind | Relatively Low | 11th | 1.5 of 5 | 0.24 |
| Lightning | Relatively Low | 7th | 1.3 of 5 | 17.9 |
| Hail | Very Low | 6th | 1.3 of 5 | 0.26 |
| Tornado | Very Low | 6th | 1.2 of 5 | 0.04 |
Perils not assessed in Kootenai 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 Kootenai 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.