HL Power

Waste power plant in California, United States of America. Approximate location 40.3683, -120.2648.

WasteCaliforniaUnited States of America

HL Power is a 36 MW waste power plant in California, United States of America. It is operated by HL Power Company. Based on reported annual generation of 189 GWh, it can supply roughly 54,000 homes. It ranks #3108 of 9,833 United States of America power plants by installed capacity. Commissioned in 1989, it is around 37 years old — long-established. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

36MW installed capacity
189GWh reported / yr
54,000homes powered
1989commissioned (~37 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0010777.

Reported generation trend

2013: 201 GWh20132014: 187 GWh20142015: 195 GWh20152016: 118 GWh20162017: 161 GWh20172018: 191 GWh20182019: 189 GWh2019201 GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by HL Power Company.

Local climate & thermal context

This waste plant recovers energy by combusting municipal or industrial waste. It sits in a warm-summer Mediterranean climate (Köppen Csb) — Northern Hemisphere, latitude 40.4°N — which shapes how much energy it can produce and how its output varies through the year.

9.9°Cannual mean temp
3,104heating degree-days (base 18°C)
166cooling degree-days (base 18°C)
1,221 melevation

Monthly mean temperature

J: 0 °CJF: 2 °CFM: 6 °CMA: 8 °CAM: 13 °CMJ: 17 °CJJ: 21 °CJA: 20 °CAS: 16 °CSO: 11 °CON: 4 °CND: 0 °CD21 °C

Heating degree-days here run 26% above the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 65/100 — this site sits in the mid third of the power plants we cover by heating degree-days.

In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

How it compares & nearby plants

The #86 largest waste power plant of 541 in United States of America by capacity.

United States of America has 541 waste power plants in this dataset, together about 9,768 MW of capacity.

Nearby power plants

Location

Coordinates 40.3683, -120.2648 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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