Yet one issue that can undermine that expectation is the appearance of solar panel burn marks. In this detailed guide on Solar Panel Burn Marks Damage Assessment and Repair Options, we'll explore the causes, severity, diagnosis, and potential solutions for burn marks on your panels. Whether you're. . Below are the top 10 signs of solar panel degradation, so you know what to look for: Decreased energy output: The most obvious sign of degraded solar panels is a decrease in energy output. If your panels are producing less electricity than they used to, take longer to charge, or are not able to. . Scroll to the bottom of any page to find a sun or moon icon to turn dark mode on or off! Burn spot on panel. I am not noticing a. . The long-term stability of photovoltaic modules is key to the continuous production of electricity from a photovoltaic system. However, like any technology, they can suffer damage, leading to decreased efficiency and increased costs. Texas homeowners often describe seeing: Burn marks are never normal, and they are never cosmetic.