The site in Berlin-Charlottenburg, together with the site in Neuenhagen (near Berlin), forms the Central Regional Center. The facilities connecting the capital Berlin to the transmission grid are serviced from here. Two departments, Cable Systems and Substation Technology, deal with cable and substation technology in the Berlin districts of Spandau, Charlottenburg, Mitte, Friedrichshain, Marzahn and Treptow. With around 40 employees, the safe and smooth operation of the network within Berlin is ensured from here, together with the operations management department.