MANDALAY
Retired 2018Natural Gas power plant
- Capacity
- 574 MW
- Primary fuel
- Natural Gas
- County
- Ventura County
- Operator
- NRG CALIFORNIA SOUTH LP
- EIA plant ID
- 345
- Coordinates
- 34.2067, -119.2511
MANDALAY, a retired 574 MW Natural Gas power plant in Ventura County, California. It was retired in 2018, according to EIA-860.
How MANDALAY compares
It was retired in 2018 according to EIA-860, so it is not counted in California's operating fleet. Its operator, NRG CALIFORNIA SOUTH LP, runs 2 operating plants in California totaling 1,670 MW. It shares Ventura County with 9 other operating plants, including ORMOND BEACH and OXNARD.
Grid neighborhood
The nearest named substation is MANDALAY (230 kV), about 0.1 miles away; the closest transmission line found within 10 miles is a 230 kV line owned by AZUSA LIGHT & POWER, about 0.1 miles away. Another 9 operating power plants totaling 1,857 MW sit within 25 miles; the largest is ORMOND BEACH (1,612 MW, Natural Gas).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860 retirement records; distances are straight-line. Sources and methodology
Weather peril exposure
MANDALAY is a retired 574 MW natural gas power plant in Ventura County, CA, formerly operated by NRG CALIFORNIA SOUTH LP. Ventura County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.0 of 5 at the 24th national percentile. Earthquake is the leading peril, rated Relatively High by FEMA at the 99th 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.
Ventura County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively High | 99th | 5.0 of 5 | 0.08 |
| Wildfire | Relatively High | 98th | 4.9 of 5 | 0.01 |
| Riverine flooding | Very High | 94th | 4.8 of 5 | 1.9 |
| Heat wave | Relatively Moderate | 76th | 4.0 of 5 | 9.8 |
| Coastal flooding | Relatively Moderate | 30th | 2.2 of 5 | 2.0 |
| Hail | Relatively Low | 12th | 1.5 of 5 | 0.07 |
| Tornado | Relatively Low | 9th | 1.4 of 5 | 0.13 |
| Winter weather | Very Low | 3rd | 1.1 of 5 | 9.4 |
| Strong wind | Relatively Low | 2nd | 1.1 of 5 | 0.07 |
| Lightning | Relatively Moderate | 1st | 1.0 of 5 | 6.2 |
Perils not assessed in Ventura 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 "No Rating" for this county |
| Ice storm | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Ventura 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.