Prysmian has been awarded a £2bn contract to manufacture and deliver cable for SP Energy Networks and National Grid Electricity Transmission's Eastern Green Link 4 (EGL4) project, a 2GW high voltage direct current (HVDC) subsea connection between Fife in Scotland and Norfolk in England.

The scope covers more than 640km of cable, including 530km of subsea HVDC cable and over 116km of underground cable. Once operational in 2033, the link will be capable of moving enough green electricity to power more than 1.5 million homes, helping to ease grid constraints, strengthen energy security and enable additional renewable generation to connect.

Nicola Connelly, SP Energy Networks CEO, said: "We are investing at record levels right across our transmission network and our Eastern Green Link projects will play a critical role in Britain's grid for decades to come.

"With Eastern Green Link 1 well into construction and Eastern Green Link 4 progressing with this key contract award, our investment programme is continuing at pace, delivering jobs, delivering supply chain contracts and delivering the energy infrastructure Britain needs."

Iain Adams, Eastern Green Link 4 Project Director, said: "Britain is undergoing a transformation of its transmission system, both onshore and offshore, and the Eastern Green Link 4 project plays a vital part in this.

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"The project will help unlock capacity across the UK's electricity grid, opening up space for more renewable energy to connect in and helping to reduce constraint costs for consumers.

"Bringing Prysmian onboard means we have secured true experts in delivering large-scale HVDC cables that will support Britain for decades to come."

HVDC technology is the most efficient way to transport large volumes of electricity over long distances, supporting the UK's clean power goals. ScottishPower is investing £24bn in the UK to 2028 as part of the largest grid rewiring programme since the early 1900s, reinforcing and expanding the network to meet future demand and reduce constraints.

Project Director for National Grid, James Goode, said: "Eastern Green Link 4 is a critical part of the significant reinforcement needed along the east coast to support Britain's future energy system. By investing in high-capacity HVDC infrastructure, we can move large volumes of clean electricity efficiently and at scale.

"Appointing Prysmian as cable supplier builds on their established experience with National Grid working on major transmission projects. It supports our focus on delivering this important connection to support home-grown, cleaner, secure energy from more affordable sources to consumers for decades to come."

Raul Gil, EVP Transmission at Prysmian, said: "The UK has set the standard for futureproofing of its electricity connections. Utilising the power of undersea HVDC cables to transport power between Scotland to England is a forward-thinking step - and one that many countries are now replicating. Prysmian has been entrusted to several major HVDC links in the UK, playing a vital part in bringing clean energy to homes and businesses right across the country in a fast and cost-efficient way."

SP Energy Networks and National Grid Electricity Transmission are jointly delivering two east coast links. Prysmian is also supplying cable for Eastern Green Link 1, a 2GW connection now under construction that will link Torness in Scotland to Hawthorn Pit in England.

Planning applications for EGL4 are expected to be submitted in Scotland and England during 2026. Subject to approval by the Secretary of State for Energy Security and Net Zero, construction is scheduled to begin in 2029, with the link entering service in 2033.