Search for local solar businesses with relevant electrical licences, current insurance and experience maintaining your system’s brand and inverter. You can also check Clean Energy Council resources and ask for an itemised quote covering inspection, cleaning, testing, call-out fees and any repairs. Confirm whether maintenance could affect your manufacturer or installer warranty, and request a written report after the visit. Rooftop electrical work should be handled by a licensed professional, with the final service scope and cost agreed with the provider after they assess your system.