This article offers a detailed guide on preventing and protecting solar panels from rodent damage, providing essential insights for homeowners and businesses looking to safeguard their green investment. Understanding the Threat Rodents, including squirrels, rats, and mice, pose a threat to solar. . A solar critter guard is a physical barrier that wraps around your solar array to block these uninvited guests, as well as prevent excess leaves from getting trapped under your panels. Birds, rodents, and larger mammals cause the most significant damage to farm solar installations through nesting, chewing wires, and physical impacts. At Solar Me, we've noticed that one of the growing concerns among NJ homeowners is the damage caused by pests and other rodents to their solar. .