You can make a photovoltaic installation yourself. However, to avoid complications or risks, it is best to hire a professional contractor experienced in installing solar systems. These are quite complex electrical systems, so installation usually requires knowledge and experience as well as specialized measurement equipment and tools. Photovoltaic systems have no moving parts and are therefore maintenance-free. These components are designed to meet strict standards of reliability and durability. Only periodic cleaning of the panels is recommended as the dust settling on the panels reduces their efficiency.