Belgium: Elia Requires Contractors for Submarine Cable System

February 15, 2013

Elia is seeking contractors for submarine HVAC cable system of Belgian Offshore Grid (BOG).

The scope of the contract entails a complete installed cable system, which involves design, engineering, construction, supply, installation, burial, handling and commissioning of submarine 220KV AC power cables including all necessary accessories, such as joints and terminations.

After commissioning, the tenderer can include operations, maintenance and repair.. All provisions should be taken in order to install a RTTR (real time thermic rating system). The estimated total length is some 150 to 200 kilometers for the high voltage transmission. The lifespan of the cable system and installations should be 50 years.

The BOG project involves building offshore infrastructures off the Belgian coast in order to connect the wind farms in the Belgian North Sea.

Elia wants to connect future wind farms off the Belgian coast in the North Sea as efficiently as possible for the benefit of the community by creating a genuine offshore grid, thus laying the foundations for a large European offshore grid going forward.

The BOG project consists of 2 Offshore High Voltage Station (OHVS ) platforms, 1 submarine interconnection cable and 4 submarine cables to the onshore grid, of which the connection point is the Stevin location near Zeebrugge. One of the OHVS will be integrated in an artificial offshore island, the other OHVS will be installed on a fixed structure.

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Offshore WIND Staff, February 15, 2013; Image: Elia