With the rapid increase in the use of solar power systems, there is a dire need for well-managed operations & maintenance services to keep the performance of the solar plant at par with the expectations of the customer. Solar panels generally require very little maintenance in order to function, so yes, you can usually just let them be. The only thing most solar panels need is a periodic light cleaning to make sure dirt, leaves, and other debris aren’t obstructing the sun’s rays. You may also want to check underneath the panels for debris or signs of animals, and potentially spring for solar critter guards if this becomes an issue. The only time you may need more extensive maintenance is if you discover signs of animals nesting under your system (in which case you may need solar critter guards) and during periods of heavy snowfall, as large amounts of snow on solar panels can hinder their performance.