
The UK National Grid said on Monday that it has begun construction of the Viking Link submarine interconnection project between the United Kingdom and Denmark.
Viking Link is a submarine direct connection cable system jointly developed by National Grid Ventures, a subsidiary of National Grid Corporation of UK, and Energinet, Danish power system owner and operator.
According to reports, the system has a transmission capacity of 1.4 GW. When it’s completed, it will become the longest submarine high-voltage DC interconnection cable in the world, reaching 756 km.
German industrial giant Siemens will build converter stations for the two ends of the directly connected system. In other words, UK and Denmark build converter stations.
According to the plan, the system will be completed by the end of 2023, with a total cost of US$2.3 billion, and is expected to provide green energy for 1 million British households.
Grid operators said that by 2030, 90% of the electricity imported through the national grid’s undersea interconnection system will come from zero-carbon energy.