Experts agree that dirty solar panels don't produce as much power as clean panels. That loss may range as high as 25% in some areas according to the National Renewable Energy laboratory. Individual dealers have reported losses as high as 30% for some customers who failed to ever clean their panels.
Cleaning solar panels is not really that much different than cleaning a typical window. It is not very time-consuming either. Neglecting to clean your solar panels is akin to throwing money out of that window. In fact, we use the same deionized water process with a telescopic water fed pole. The water flushes all the dirt off the solar panel, and dries to a streak free, spot free shine. The use of deionized water means that there are no dissolved solids that attract dirt and other particles keeping your solar panels cleaner for a longer period of time!
Google recently conducted a groundbreaking experiment at their 1.6 MW solar farm in Mountain View, California. They found that cleaning the solar panels was “the number one way to maximize the energy they produce.”
What Negatively Affects Solar Panels
This impacts efficiency and contributes to preventing sunlight from reaching the solar cells in your solar panels.