How can cleaning solar panels Dust

In this video three different methods of cleaning solar panels have been explored. Dust can reduce the output of a solar panels. In arid areas therefore, solar panels have to be cleaned frequently, sometimes on a daily basis. Large scale solar farms often employ manual labour to clean the panels or automatic machines. There is a third way as shown in this video that is very effective and reduces the amount of diligence required for keep the panels free from dirt.