Solar and wind powered street lights
These street lights are a sort of double option, we have seen solar powered lights before but these can be very reluctant to charge up fully when there is not too much sun about, this could then cause problems when the limited amount of power that is stored runs out.
That why these ones in Japan have been built with solar power and a wind turbine, the solar panels charge up the batteries during the day, while the wind turbine tops up the power during the night, this way the street lighting is fully charged and working all of the time, good idea!
Source [Eco Friend]
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Tags: Alternative Energy, Batteries, carbon neutral, lighting, Solar Power, solar_panels, solar_power, solar_powered_lights, street_lighting, wind_turbine
