Sunday, 23 November 2014
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75km interconnector could be installed inside Channel Tunnel

Groupe Eurotunnel and STAR Capital Partners have established a joint venture worth €250m (£217m) to develop an electricity interconnector between the UK and France.

Studies conducted by the two partners show that a twin-cable 500MW direct current (DC) interconnector could be installed inside the service tunnel of the Channel Tunnel.

The proposal, dubbed ElecLink, will reportedly increase cross-channel capacity by 25 per cent to 2,500MW.

Twin 100mm-diameter, high-voltage DC (HVDC) cables will be installed in the service tunnel and substations on Eurotunnel sites will change AC from either side of the channel to DC.

On the UK side, the cables will be linked to the National Grid electrical substation at Sellindge, 14km from the tunnel exit at Folkestone.

Cables in France will be linked to the RTE Les Mandarins substation, 2.5km from the tunnel exit at Coquelles.


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