Thanks @nokiasixteth. In Malaysia, labour costs are generally low hence it is cheaper to hire serviceman to do a proper cleaning of the panels annually as compared to investing into an automated sprinkler based cleaning system.
Thanks @nokiasixteth. In Malaysia, labour costs are generally low hence it is cheaper to hire serviceman to do a proper cleaning of the panels annually as compared to investing into an automated sprinkler based cleaning system.
RE: How long will solar panels last, anyways?