PUENTE HILLS ENERGY RECOVERY

Operating

Biomass 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

See it on the map

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.

2.0 of 5Modeled catastrophe exposure
ModerateExposure band
EarthquakeLeading peril
Very HighFEMA county risk rating

Los Angeles County hazard ratings

PerilFEMA ratingNational percentilePeril scoreEvents per year
EarthquakeVery High99th5.0 of 50.09
WildfireVery High98th4.9 of 5<0.01
Riverine floodingVery High92nd4.7 of 54.0
Heat waveRelatively High50th3.0 of 59.5
Coastal floodingRelatively High34th2.4 of 52.2
TornadoRelatively High13th1.5 of 50.49
HailRelatively Moderate12th1.5 of 50.10
Strong windRelatively Moderate0th1.0 of 50.15
Winter weatherRelatively Moderate0th1.0 of 56.6
LightningVery High0th1.0 of 58.4

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.

PerilWhy it is not scored
HurricaneFEMA rating is "No Rating" for this county
Ice stormFEMA 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.