Topological reconfiguration is an important tool for the planning and operation of electric power distribution systems. Usually, the utilities can use multiple criteria regarding the observation of regulation policies and public awareness to drive the topological reconfiguration. Several researchers are looking for new optimization methods, as the complexity of this combinatorial issue is high in large systems and the classic optimization methods are failing to address the problem reasonably. Additionally, there is possibility to explore the automation equipment applying the concept of Smart Grid. This paper presents a new methodology and computer program for distribution network automatic reconfiguration. The topology is defined in real time and automatically performed by means of remote-controlled switches. The methodology includes a validation by computer simulations based on a multiple criteria decision making method. The developed tool has been applied in a pilot area of a power utility in Brazil.