Nexans Subsea Cables to Create High-Voltage Power Link for Scotland

subsea cable installation

Worldwide cable industry expert Nexans has been awarded a contract worth in excess of €120 million by Scottish Hydro Electric (SHE) Transmission to supply and install a subsea power link to upgrade the electricity transmission network between the Kintyre peninsula and the mainland coast in south-west Scotland. The upgrade is part of SHE Transmission’s wider plans to invest up to €6 billion in its electricity network between 2013 and 2021. It will release up to 150MW of additional grid capacity for renewable projects, signalling a significant boost for the Kintyre economy.

Nexans has been awarded a subsea cable contract in excess of €120 million by Scottish Hydro Electric TransmissionNexans will create a twin subsea cable link, rated at 230kV and 240MVA, from a new substation on the peninsula to the mainland coast. The project includes the supply and installation of two 41km three-core submarine cables together with six 5km single core underground cables for the land element. A fibre-optic cable for control of the cable link will be integrated within the subsea cables and supplied separately for the land cables. Nexans will also supply a range of accessories.

Due to the route, the installation of the subsea cables in water depths of over 100m is one of the key elements of the project. The installation will be carried out by Nexans’ own cable ship, the C/S Nexans Skagerrak and the cable will be protected on the seabed by burial using the specialised Capjet system as well as rock dumping.

"Nexans is delighted to be working with Scottish Hydro Electric Transmission on this high profile project that will provide vital reinforcement for Scotland’s power infrastructure" says Kjetil Hovland, Vice President, Submarine High Voltage Business Line in Nexans. "A key factor in winning this major contract was our proven capability to deliver complete subsea power cable solutions in-house from design and manufacture through to the installation scheduled for 2015."

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