ALEGrO

Two fields of BESIX expertise in one ambitious, state-of-the-art project

ALEGrO (Aachen Liège Electric Grid Overlay) is the first electricity interconnection between Belgium and Germany to link the two countries’ high-voltage grids. ELIA developed the Belgian section of this project, which consists of two parts: an underground connection between the Lixhe station and the German border, and the Lixhe converter station connecting the ALEGrO direct-current connection to the existing alternating-current network.

Van den Berg’s decisive role

As a subcontractor to General Cable, Van den Berg plays a decisive role in the underground direct-current installation. Van den Berg is installing the entire 49 kilometre stretch of cables on Belgian soil, including tunnelling under the Albert Canal and the Maas. It is working with Jan de Nul and K-Boringen on the 670-metre-long tunnel. The total underground electricity interconnection is to be around one hundred kilometres long. In this project, Van den Berg is implementing 35 horizontal directional drillings (HDD) ranging between 70 and 450 metres in length, many of which will be drilled through rock. For the cabling, 94 reels with an average weight of 40 tonnes will be used. In addition, 40,000 tonnes of dolomite will be processed over the whole of the project. Van den Berg strives for excellence and zero accidents. Currently, more than 80,000 hours have been worked at ALEGrO with no time lost due to work accidents.

Project details

Project name

ALEGrO

Category

Cables and Ducts, Horizontal Directional Drilling

Location

, Belgium

Building Period

2018 - 2018

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