Sally, panels are self cleaning it rains that often should just clean themselves. I have come across one problem in all my years and that was when we had the volcanic ash a few years ago.
The cleaner the better the panel will work.
A better deal consultation.
"I've witnessed many fantastic changes and innovations, and installation companies come and go. My fellowship with ethically-minded MCS solar panel installers goes back decades. Today, I offer my experience to ensure you gain real independence."
Power My Home Solar Panels UK
Sundial House, 44 Panton Road, Chester CH2 3HX.
01244 722 607