PUENTE HILLS ENERGY RECOVERY
OperatingBiomass power plant
- Capacity
- 53 MW
- Primary fuel
- Biomass
- County
- Los Angeles County
- Operator
- LOS ANGELES COUNTY SANITATION
- Status
- Operating
- Commissioned
- 1986
- EIA plant ID
- 10472
- Generators
- 1
- Technology
- Landfill Gas
- Net generation (2024)
- 161 GWh
- Capacity factor (2024, EIA nameplate)
- 37%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 34.0233, -118.0241
PUENTE HILLS ENERGY RECOVERY, a 53 MW Biomass power plant in Los Angeles County, California. Operated by LOS ANGELES COUNTY SANITATION, commissioned 1986.
How PUENTE HILLS ENERGY RECOVERY compares
With 53 MW of capacity, PUENTE HILLS ENERGY RECOVERY ranks 241st among the 874 operating power plants Bywatts maps in California and 4th of the 47 operating Biomass plants in the state. It accounts for about 6.6% of California's operating Biomass capacity and under 0.1% of all operating capacity in the state. Nationally it is the 72nd-largest of the 350 operating Biomass plants in the database. Commissioned in 1986, it is older than 72% of the 859 operating California plants with a recorded commissioning year. Its operator, LOS ANGELES COUNTY SANITATION, runs 3 operating plants in California totaling 102 MW. It shares Los Angeles County with 110 other operating plants, including AES ALAMITOS LLC and CASTAIC.
EIA-860 lists 1 generator at the site with 50 MW of nameplate capacity, all landfill gas technology. Net generation was 161 GWh in 2024 (a 37% capacity factor), down 6% from 2022.
Grid neighborhood
The nearest named substation is HILGEN, about 0.1 miles away; the closest transmission line found within 10 miles is a 230 kV line, about 0.3 miles away. Another 67 operating power plants totaling 8,826 MW sit within 25 miles; the largest is AES ALAMITOS LLC (1,997 MW, Natural Gas). Within 50 miles are 16 mapped data centers; the nearest is CoreSite - Los Angeles (LA2) in Los Angeles, about 12.3 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
PUENTE HILLS ENERGY RECOVERY is a 53 MW biomass power plant in Los Angeles County, CA, operated by LOS ANGELES COUNTY SANITATION, commissioned in 1986. Los Angeles County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.0 of 5 at the 25th national percentile. Earthquake is the leading peril, rated Very High by FEMA at the 99th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a biomass plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Los Angeles County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Very High | 99th | 5.0 of 5 | 0.09 |
| Wildfire | Very High | 98th | 4.9 of 5 | <0.01 |
| Riverine flooding | Very High | 92nd | 4.7 of 5 | 4.0 |
| Heat wave | Relatively High | 50th | 3.0 of 5 | 9.5 |
| Coastal flooding | Relatively High | 34th | 2.4 of 5 | 2.2 |
| Tornado | Relatively High | 13th | 1.5 of 5 | 0.49 |
| Hail | Relatively Moderate | 12th | 1.5 of 5 | 0.10 |
| Strong wind | Relatively Moderate | 0th | 1.0 of 5 | 0.15 |
| Winter weather | Relatively Moderate | 0th | 1.0 of 5 | 6.6 |
| Lightning | Very High | 0th | 1.0 of 5 | 8.4 |
Perils not assessed in Los Angeles 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 Los Angeles 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.