Solar Street Lights are very useful for different types of roads, buildings, housing complexes, commercial complexes and construction sites. It consists of LED/CFL luminaries, a PV panel, battery, electronics and galvanized MS pole. The luminary operates on dusk to dawn mode, with optional dimming facilities. Depending on the light output requirement, different capacities are designed and supplied. Nowadays solar street lights are in use in many places instead of sodium vapour lamps for saving electricity consumption. Solar street lights are available in both DC and AC form.