Contracts awarded for ElecLink interconnector

by Tom Russell in Interconnectors 24/02/2017 4C Offshore

Infographic - Siemens HVDC power bridgeSiemens, Prysmian Group and Balfour Beatty have been awarded a contract for the realisation of a new High Voltage Direct Current (HVDC) interconnector between France and the UK through the Channel Tunnel.

The ElecLink interconnector project is one of the European Commission’s Projects of Common Interest and was is underdevelopment by ElecLink, a wholly owned subsidiary of Groupe Eurotunnel. The link will provide a power transmission link between the UK and France with a capacity of a 1000MW.

Siemens' is set to net around €315m following the award of a contract for the delivery of two converter stations, one at Peuplingues in France, the other in Folkestone in the UK. The scope of supply includes the overall system design and the supply, installation and commissioning of all components. The HVDC power modules and HVDC transformers will be manufactured at two Siemens factories in Nuremberg, Germany.

Balfour Beatty were awarded the contract in consortium with Prysmian and it is valued at approximately €219m. Prysmian is estimated to see around €79m of the total value with Balfour Beatty set to pick up the remainder.

The project comprises of a 320kV extruded HVDC (High Voltage Direct Current) underground cable turnkey system that includes the engineering, production and installation of one HVDC symmetrical monopole circuit along a 51km route. It is to be installed accross the Channel Tunnel. The HVDC cable will connect future converter stations to be located in Peuplingues (FR) and Folkestone (UK).

All cables will be manufactured in Prysmian’s plant located in Gron (France) one of the Group’s facilities for high voltage cables, both AC and DC. As part of the complete system Prysmian will also supply and install underground cables for the HVAC link to the Sellindge substation (UK).

Balfour Beatty is responsible for the transportation and installation of the cables through the tunnel and connecting them to converter stations on either side. 

It was reported today that the foundation stone for the £490m ElecLink interconnector project has been laid by UK Energy Minister Jesse Norman.

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