According to one estimate, converting all American light fixtures to LEDs would halve the amount of energy used for lighting in the country. īecause of their energy efficiency and long lifespan, LED streetlights are advocated as a means for reducing carbon emissions. LEDs produce 80 lumens per watt traditional streetlights can only muster 58 lumens per watt. They use 15 percent of the energy of an incandescent bulb while generating more light per watt. While compact fluorescent lamps (CFLs) recently have been touted as the standard in green lighting, LEDs actually have double their energy efficiency. Because they last so long, LEDs are suitable for places where replacing light bulbs is expensive, inconvenient or otherwise difficult.
These lights also have reduced maintenance costs because of their long lives, and they give off less heat than other bulbs. Chief among the advantages of LEDs is that they have extremely long lives - they don't have filaments that can quickly burn out - and they don't contain toxic chemicals like mercury, unlike traditional high-pressure sodium lamps or mercury-vapor lamps.
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