SuedLink Elbe crossing ElbX

The SuedLink wind power line is a high-performance direct current line that is essential for the secure, stable power supply of tomorrow. It transports renewable electricity from northern to southern Germany and is a necessary step in the energy transition. As part of the expansion of SuedLink, the route plan also includes an underpass beneath the Elbe. Leading European grid operator TenneT TSO GmbH commissioned PORR tunnelling for the challenging construction project of the SuedLink Elbe crossing between Schleswig-Holstein and Lower Saxony.

The project in pictures.
Our videos on the ElbX Elbe crossing.

SüdLink, ElbX

From lifting to installation of the TBM

SüdLink, ElbX

Micro pile

Südlink, ElbX

Diaphragm wall works

Südlink, ElbX

Underwater concreting

A selection of images.
Bild von oben; es zeigt den Platz wo später der Zielschacht entsteht
September 2023

The target shaft is being constructed here in Lower Saxony near Wischhafen.

The picture shows a bird's eye view of the tunnel boring machine and the cutting wheel. A man stands next to it and monitors the assembly.
November 2024

The tunnel boring machine and the cutting wheel

The image shows a slotted wall grab currently in use. Green meadows can be seen in the background.
April 2025

Diaphragm wall works for the target excavation pit

Interior view of a tunnel with narrow-gauge tracks in the centre
December 2025

50 per cent of the tunnel has been excavated

The image shows the excavation pit from the side. You can see that the right-hand side is filled with blue water. Construction machinery and cranes are standing around it.
January 2026

The main excavation pit for the shaft building in Wischhafen is complete.

The project.