Groundbreaking ceremony for the HeideHub

The go-ahead has been given for one of Germany’s key energy infrastructure projects in Lieth (Schleswig-Holstein): the HeideHub, one of the first large electricity hubs of its kind in Europe. A so-called multi-terminal hub with a transformer station, converters and direct current switching stations is being built on around 56 hectares. The aim is to bundle, convert and intelligently distribute wind power from the North Sea – into the regional grid, nationwide and, in the long term, beyond.

The HeideHub creates an important basis for flexibly transporting large amounts of electricity to where it is needed. At the same time, the new infrastructure will strengthen security of supply and grid stability. The commissioning of the location is planned for 2030.

A key component of the overall project is Amprion’s converter station, which is being built on the HeideHub site. It forms the interface for the transportation of renewable Energy via the direct current connection “Corridor B” to North Rhine-Westphalia. Corridor B will be implemented as an underground cable connection using extra-high voltage direct current technology with a nominal direct voltage of 525 kilovolts.

THOST is supporting the project on behalf of Amprion: Our colleagues Philipp Günther and Rebecca Jenzen are responsible for Scheduling and supporting further Project Controlling in the area of the converters for Corridor B.

Forward-looking Project Management is a decisive success factor, especially for highly complex infrastructure projects with several grid operators, challenging subsoil conditions and long implementation periods. The symbolic ground-breaking ceremony in January 2026 thus marks much more than the start of construction work – it marks the start of a project that will take the energy transition to a new level in terms of infrastructure.