It would be a commercial cable jointly owned by Statnett and National Grid NSN Link, a subsidiary of National Grid. According to the pre-feasibility study the project would be economically and technologically feasible. In October 2009, Statnett and National Grid announced they were conducting a feasibility study of the cable. The project was first proposed in 2003, when Statnett and National Grid planned a 1,200 MW interconnector between Suldal in Norway and Easington, County Durham, in the United Kingdom.
The HVDC converter stations were built and installed by the ABB Group. It was laid by using the Capjet trenching system and the cable-laying vessel Skagerrak. Cable for the fjord, tunnel and lake sections, and the onshore connection in Norway, was supplied by Nexans and manufactured at Nexans' plant in Halden, Norway. It was installed by the cable-laying vessel Giulio Verne. The offshore cable was supplied by Prysmian and manufactured at the Arco Felice factory in Naples, Italy. It is a joint project of the transmission system operators Statnett and National Grid. The estimated cost of the project was €2 billion, and it became operational in 2021, as planned. The cable is 730 kilometres (390 nautical miles) long, and has a capacity of 1,400 MW. The converter station is located near to the cable landfall in East Sleekburn and is connected to the National Grid at the Blyth substation. The cable runs from Kvilldal, Suldal, in Norway, to Cambois near Blyth in England.
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