Solar panels are exposed to the environment – sun, wind, dust, rain etc. Solar panels are very similar to windows, lying flat or at a slight angle which means they get dirty very fast. Pollen, bird droppings, dirt, and dust can build up on solar panels. “Solar clouding” commonly referred by the panel manufacturers, which means dirty panels and needs to be cleaned on a regular schedule in order to keep them producing at full capacity. There is a 10-15% decrease in solar output when solar panels are dirty.
Solar panels generally require very little maintenance. A few times a year, the panels should be inspected for any dirt or debris that may collect on them. The cleaning services are a necessary part of the system maintenance and also to maintain its warranty.