Fisocrom is the reference company in Portugal for manufacturing DC Power Energy Systems in the Substations area. The purpose of manufacturing these systems is to ensure AC and DC Auxiliary Services for high and medium voltage transport and distribution substations. With an accumulated experience of more than 34 years, the equipment dedicated to this area accounts for 3/5 of our manufacturing, with more than 700 equipments in service to date. Based on this experience, a variety of equipments are implemented in the buildings responsible for Production, such as hydroelectric plants, combined cycle, thermal plants, etc.