Solar panels generally need less routine maintenance than systems with moving parts, but they should still be monitored and checked periodically. Compare your electricity generation with earlier bills, inspect for obvious dirt or shading from ground level, and keep nearby branches trimmed where safe. Professional cleaning is often unnecessary after normal rain, while a qualified solar technician can handle roof access, electrical faults, loose connections and inverter checks. Maintenance needs vary with your roof, local conditions and system age, so follow the installer’s guidance and use a licensed professional for electrical work.