RIPON GENERATION STATION
OperatingNatural Gas power plant
- Capacity
- 121 MW
- Primary fuel
- Natural Gas
- County
- San Joaquin County
- Operator
- MODESTO IRRIGATION DISTRICT
- Status
- Operating
- Commissioned
- 2006
- EIA plant ID
- 56135
- Generators
- 2
- Technology
- Natural Gas Fired Combustion Turbine
- Net generation (2024)
- 8.7 GWh
- Capacity factor (2024, EIA nameplate)
- 0.8%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 37.7315, -121.1160
RIPON GENERATION STATION, a 121 MW Natural Gas power plant in San Joaquin County, California. Operated by MODESTO IRRIGATION DISTRICT, commissioned 2006.
How RIPON GENERATION STATION compares
With 121 MW of capacity, RIPON GENERATION STATION ranks 138th among the 874 operating power plants Bywatts maps in California and 59th of the 190 operating Natural Gas plants in the state. It accounts for about 0.3% of California's operating Natural Gas capacity and 0.2% of all operating capacity in the state. Nationally it is the 646th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2006, it is newer than 50% of the 859 operating California plants with a recorded commissioning year. Its operator, MODESTO IRRIGATION DISTRICT, runs 3 operating plants in California totaling 462 MW. It shares San Joaquin County with 13 other operating plants, including TRACY COMBINED CYCLE POWER PLANT and STOCKTON BIOMASS.
EIA-860 lists 2 generators at the site with 121 MW of nameplate capacity, all natural gas fired combustion turbine technology. Net generation was 8.7 GWh in 2024 (a 0.8% capacity factor).
Grid neighborhood
The nearest named substation is LEE, under 0.1 miles away; the closest transmission line found within 10 miles is a 115 kV line, about 2.3 miles away. Another 16 operating power plants totaling 1,409 MW sit within 25 miles; the largest is TRACY COMBINED CYCLE POWER PLANT (342 MW, Natural Gas). Within 50 miles are 6 mapped data centers; the nearest is 801 Tenth Street Modesto (Ayera) in Modesto, about 9.1 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
RIPON GENERATION STATION is a 121 MW natural gas power plant in San Joaquin County, CA, operated by MODESTO IRRIGATION DISTRICT, commissioned in 2006. San Joaquin County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.2 of 5 at the 6th national percentile. Earthquake is the leading peril, rated Relatively High by FEMA at the 96th 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.
San Joaquin County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively High | 96th | 4.8 of 5 | 0.11 |
| Wildfire | Relatively Moderate | 92nd | 4.7 of 5 | <0.01 |
| Heat wave | Relatively High | 65th | 3.6 of 5 | 7.0 |
| Riverine flooding | Relatively High | 57th | 3.3 of 5 | 1.1 |
| Tornado | Relatively Low | 12th | 1.5 of 5 | 0.18 |
| Hail | Relatively Low | 6th | 1.2 of 5 | 0.07 |
| Lightning | Relatively High | 5th | 1.2 of 5 | 7.7 |
| Strong wind | Relatively Low | 2nd | 1.1 of 5 | 0.05 |
| Winter weather | Relatively Low | 1st | 1.1 of 5 | 0.20 |
Perils not assessed in San Joaquin 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 San Joaquin 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.