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Nexans wires NordLink

Work starts on subsea cables for 1.4GW Germany and Norway connection

Nexans wires NordLink image

Nexans Norway has started installing the subsea power cable for the 1.4GW NordLink interconnector between Germany and Norway.

Norwegian transmission system operator Statnett said the first metres of the cable, which was also manufactured by Nexans, have been laid on the seabed in Vollesfjord in Vest-Agder.

Cable ship Nexans Skagerrak (pictured) is installing the wires, which weigh 70 kilograms per metre, while offshore vessel Polar King will carry out burying operations, the TSO said.

NordLink will consist of two 623km long cables, of which 516km will be installed under the sea, enabling the exchange of German wind energy and Norwegian hydropower.

Statnett executive vice president Håkon Borgen said: “The first part of the cable will be installed this summer, 124km from Vollesfjord to the Danish sector of the North Sea.

“The cable is now pulled in to shore through a microtunnel from the head of the fjord, and the cable laying vessel is starting its journey towards open sea.”

Installation of the second cable from Vollesfjord and the start of installation in Germany will take place next summer.

Work onshore for the project has been ongoing since 2014, it said.

“We are building a rectifier facility at Ertsmyra to connect the cable to the Norwegian power grid, and a cable terminal for the subsea cable in Vollesfjord at Flekkefjord,” said Borgen.

NordLink is a 50:50 joint venture between Statnett and DC Nordseekabel, which is equally owned by TenneT and the German development bank KfW.

Commissioning is planned for the end of 2019, with commercial operation from 2020.

Image: Nexans

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