In 1993 the power grid connections from the Berlin-Brandenburg capital location had been renewed. In most of the interior districts of Berlin electrical power strains are underground cables; just a 380 kV and also a 110 kV line, which run from Reuter substation into the urban Autobahn, use overhead traces. https://damienzglrv.wikibriefing.com/2551490/the_ultimate_guide_to_services