Distribution automation (DA) is a family of technologies, including sensors, processors, information and communication networks, and switches, through which a utility can collect, automate, analyze, and optimize data to improve the operational efficiency of its distribution. Distribution automation (DA) is a family of technologies, including sensors, processors, information and communication networks, and switches, through which a utility can collect, automate, analyze, and optimize data to improve the operational efficiency of its distribution. OVERLAY VS. Electric utility companies are under increasing pressure to improve reliability, minimize customer outages and optimize. DA includes various products and systems to manage distribution and substations' electrical loads. These include: The area distribution automation system can be divided into two parts: A. Products. The handbook describes various power distribution system constructions and elements there-of, technical considerations, distribution automation infrastructure and functionality, communication aspects, special automation applications and life cycle aspects. It also reveals some trends and future.