Do solar panels need servicing? Not in the same way as a boiler, car or air-source heat pump. There is no annual oil change, filter replacement or traditional service required for the panels themselves. In fact, solar panels are relatively simple pieces of equipment with no moving parts. However, that does not mean a solar PV system should be installed and completely forgotten about. The panels are only one part of the installation. Your inverter, isolators, cabling, mounting system and, where installed, battery storage all form part of the wider system. Therefore, while the panels themselves need very little attention,…