How much energy do LED street lights save?

Everyone tells me LED street lights are energy-saving. How much energy can they save?

Compared with the high pressure sodium street lights, the LED street lights can save 65% of the energy. The reason is that LED lights have a high luminous efficiency, which means that for the same brightness, LED lights need fewer watts than the high pressure sodium lights. LED lights are a cold light source, so they will not emit too much heat while lighting. Therefore, most of the energy is used to produce light.

More reading: How Many Lumens Do I Need for Outdoor Lighting?

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