COLUSA GENERATING STATION
OperatingNatural Gas power plant
- Capacity
- 712 MW
- Primary fuel
- Natural Gas
- County
- Colusa County
- Operator
- PACIFIC GAS & ELECTRIC CO
- Status
- Operating
- Commissioned
- 2010
- EIA plant ID
- 56532
- Generators
- 3
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 2,845 GWh
- Capacity factor (2024, EIA nameplate)
- 45%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 39.3661, -122.2700
COLUSA GENERATING STATION, a 712 MW Natural Gas power plant in Colusa County, California. Operated by PACIFIC GAS & ELECTRIC CO, commissioned 2010.
How COLUSA GENERATING STATION compares
With 712 MW of capacity, COLUSA GENERATING STATION ranks 19th among the 874 operating power plants Bywatts maps in California and 13th of the 190 operating Natural Gas plants in the state. It accounts for about 1.9% of California's operating Natural Gas capacity and 1.0% of all operating capacity in the state. Nationally it is the 184th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2010, it is newer than 56% of the 859 operating California plants with a recorded commissioning year. Its operator, PACIFIC GAS & ELECTRIC CO, runs 71 operating plants in California totaling 7,904 MW. It shares Colusa County with one other operating plant, WADHAM ENERGY LP.
EIA-860 lists 3 generators at the site with 712 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 2,845 GWh in 2024 (a 45% capacity factor), up 11% from 2022.
Grid neighborhood
The nearest named substation is DELEVAN (230 kV), about 0.2 miles away; the closest transmission line found within 10 miles is a 230 kV line owned by PACIFIC GAS & ELECTRIC COMPANY, under 0.1 miles away. One other operating power plant sits within 25 miles: WADHAM ENERGY LP (29 MW, Biomass).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
COLUSA GENERATING STATION is a 712 MW natural gas power plant in Colusa County, CA, operated by PACIFIC GAS & ELECTRIC CO, commissioned in 2010. Colusa County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.1 of 5 at the 27th national percentile. Wildfire is the leading peril, rated Relatively Moderate by FEMA at the 100th 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.
Colusa County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively Moderate | 100th | 5.0 of 5 | <0.01 |
| Earthquake | Relatively Moderate | 97th | 4.9 of 5 | 0.05 |
| Riverine flooding | Relatively Low | 53rd | 3.1 of 5 | 0.54 |
| Heat wave | Relatively Low | 15th | 1.6 of 5 | 7.6 |
| Tornado | Very Low | 14th | 1.5 of 5 | 0.13 |
| Lightning | Very Low | 6th | 1.2 of 5 | 6.1 |
| Strong wind | Very Low | 1st | 1.1 of 5 | 0.02 |
| Winter weather | Very Low | 1st | 1.0 of 5 | 4.2 |
| Hail | Very Low | 1st | 1.0 of 5 | 0.07 |
Perils not assessed in Colusa 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 Colusa 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.