LED lighting systems and certification and inspection of electrical installations according to relevant standards. It offers operation, monitoring and maintenance services to optimize the performance and availability of industrial, commercial and utility-scale energy systems. Renel also runs an innovation department that manages funded research projects on green energy solutions and advanced applications such as smart charging, industrial energy efficiency and smart cities. Its customers include industrial plants, utilities, hospitals, hotels, municipalities and other public and private organizations seeking improved energy performance and reduced grid dependence.