Solar Street Light
Solar street light are street lights powered by solar panels. The solar panel charges a rechargeable battery, which powers a fluorescent or LED lamp during the night. The typical solar street lights are of 18 Watt. However, it can be anywhere between 6 Watt to 200 Watt. The cost of solar street light depends on the wattage of the light (12 W, 18 W etc), autonomy needed (12 Hr, 24 Hr etc), height of the pole (4 m, 5 m etc),
location and also on the quality of the products and services. The cost of a 18 W solar street light is around Rs 18,000.