Hello, solar street lights are usually installed in new rural areas. Solar street lights are rarely installed on municipal roads because their cost is too high. If solar street lights are installed in new rural areas, they are usually 5 meters, 6 meters, 7 meters or 8 meters, if they are 5 to 6 meters, a 30 W light source will be enough, and if they are 7 8 meters away. meters, a 50w light source will suffice.
As for the price of solar street lights, it is generally 1,200 to 1,800 for installation in new rural areas. The specific price always depends on the specific configuration. As for how many years it will take to recover the capital, if nothing unexpected happens, it may take 3-5 years.