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Milestone for Berlin's energy future

Happy about the milestone: (from left) Stefan Kapferer (CEO 50Hertz), Bernard Gustin (CEO Elia Group), Henning Schrewe (Managing Director Implenia Civil Engineering GmbH), Kai Wegner (Governing Mayor of Berlin)

The underground electricity highway for Berlin is taking shape: In just two years and nine months, the "Candela" tunnel boring machine has reached its destination after almost 7 kilometers 20-30 m deep underground in Berlin: the Mitte substation. This completes the tunnel drive for the first section of the 380 kV cable diagonal in Berlin - a central building block for a future-proof power supply in the capital.

A special highlight: the cutting wheel weighing around 20 tons was successfully lifted out of the target shaft - a fitting way to celebrate the breakthrough. High-ranking guests such as the Governing Mayor Kai Wegner and representatives from 50Hertz, Elia Group and Implenia praised the project as a milestone in the energy transition.

"The new cable diagonal stands for a stable, efficient power supply and brings us a good deal closer to our goal of climate neutrality," explained Kai Wegner, Governing Mayor of Berlin. "A strong signal for the security of supply in Berlin - and for the modernization of our electricity infrastructure," emphasizes Stefan Kapferer, CEO of 50Hertz. And Bernard Gustin, CEO Elia Group, adds: "A project of European significance - because security of supply is crucial for a sustainable future."

The cable diagonal project

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