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Boost For Renewable Energy with World's Longest Subsea Power Cable

James Kenealey morson news

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There was big news in Lincolnshire this week as construction work began on a new subsea power cable that on completion will become the longest in the world. 

Running between Britain (Lincolnshire) to Denmark (South Jutland), the 475-mile-long ‘Viking Link’ cable will cost €2billion and is a joint venture between the UK’s National Grid and Energinet in Denmark. It will surpass the current longest in the world, the 450-mile North Sea link.

It will transmit enough renewable energy from Denmark to power 1.5million UK homes when domestic generation is low, as well as export electricity to Denmark when there is an abundance of wind and solar generation.

This means that when there are days with more solar and wind energy production than the UK can use, the supply won’t go to waste as it will be simply exported via the cable for use in Denmark.

The Viking Link cable is just one of a number of projects that will aim to take the UK closer to the goal of net-zero carbon emissions. With current capacity around 5GW of power cable capacity, the aim to raise this five-fold to 25GW. The National Grid has claimed that by 2030, 90% of the electricity imported via similar systems will be from zero-carbon sources. Once such project has been proposed to connect Britain to Iceland via a 620-mile cable.

Mike Elmer, National Grid’s project director, said:

“The Viking Link cable would play a vital role in the UK’s net zero carbon ambitions by increasing Britain’s access to a cleaner, greener supply of electricity, which will make energy more secure and affordable”.

Gareth Morris, HSQE director at Morson, said:

"It’s really great to see us embracing true connectivity with our neighbours when addressing the environmental challenges we face as a global community. This new cable not only represents a common-sense, mutually beneficial solution, but also a great boost for the economy of Lincolnshire with the creation of new jobs.”

Kwasi Kwarteng, the minister for energy and clean growth, said:

“The project will put Lincolnshire firmly at the heart of our economic recovery and create jobs across the county. It will also bolster our energy security, reduce bills for consumers, and give our homegrown renewable generators a greater chance to export zero-carbon electricity around the world.” 

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