What should operators do after a storm – and how can the damage be repaired or prevented? This guide provides you with specific assistance in the event of storm damage to your PV system. What causes damage by storms to PV systems ?. But “repairing your system” involves assessing the damage correctly and fixing the small things you can fix. Your approach might change slightly depending on the technology sitting on your roof. Standard Monocrystalline/Polycrystalline Panels. . Weather-damaged solar panels can be a major headache, especially after severe storms, hail, or hurricanes. Cracked glass, reduced energy production, and overall system issues can leave homeowners facing tough repair, replacement, or recycling decisions. However, the most damaging would be a direct strike straight to your panels or inverter, which is extremely rare.