Every Solar PV installation is a long-term investment, deemed to give you returns year after year. But like any other investment, you need to ensure these returns are optimum and your assets value is safe. A Solar PV installation that has not been cleaned for over a month will give you a power yield less than its rated capacity. The power generation can fall by as much as 30%. Then there are risks of outages and downtime on account of component failure, electrical faults etc. These are just a few of events that can directly affect your bottom line