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. UNDERLAY NETWORKS. 50This document offers a complete guide to Cisco's Smart Grid Field Area Network (FAN) solution architecture. What is Distribution Automation? Distribution. As a result of the deregulation of the energy markets, the separation of the vertically integrated structures of the past, and the sharp increase in decentralized power generation, the reliable management of power supply systems is increasingly challenging. Products. This White Paper, “Smart Grid for Distribution Systems” addresses the benefits and challenges of implementing the many different Distribution Automation functions. Distribution equipment, once installed on feeders, was expected.