Overview

• 50Hertz has announced detailed plans for three underground high-voltage power corridors to enhance Berlin's renewable energy grid capacity.
• The project includes a 6-kilometer extension of the Kabeldiagonale Berlin, increasing capacity by 40% between the Reuter and Teufelsbruch substations.
• Two additional tunnels, Kabelvertikale Berlin Süd (14 km) and Kabelvertikale Berlin Nord (20 km), will connect key substations across the city and neighboring Brandenburg.
• Construction is scheduled to begin in phases starting in 2030, with completion expected by the late 2030s.
• CEO Stefan Kapferer emphasized the importance of stakeholder engagement to address technical challenges in dense urban areas while minimizing surface disruption.