The wattage of solar street lights is generally between 20 and 60 watts, which can ensure the brightness of the street lights. Specific energy consumption depends on design, brightness requirements, and battery efficiency, 3. But when it comes to highways or industrial zones, you're likely looking at 60 watts or more. The beauty is, unlike traditional street lights. . A typical solar street light might range from 20W to 100W in LED power, but the solar panel generating that power operates differently. These lights are usually designed to provide. .