Submarine interconnector

Mon, 03 August 2015

Prysmian Group, the Italian headquartered energy and telecom cable systems company, has been awarded a new contract worth around 550 million euros, for a 740km long HVDC (High Voltage Direct Current) submarine interconnector that will link Norway and the UK, by Statnett SF and National Grid NSN Link Ltd, a project specific subsidiary of National Grid plc.

The NSN Link will be the first power cable system to connect these two nations and its realisation is of high strategic value enabling the trading of power between the Norwegian and the UK countries, providing a means to share the use of renewable energy and increasing the security of electricity supply. It is considered an essential part of the European grid reinforcement strategy, aimed at reducing electricity prices, providing cleaner energy, and to compensate for the supply from ageing generation plants in the UK that will be taken out of service. The overall project represents a significant milestone as it will set a new record as the longest HVDC subsea cable link ever installed, following a route of about 740 km in length between the converter stations in Kvilldal in Norway and Blyth in the UK.

The main marine cable laying will be performed by the Group’s owned Giulio Verne cable-laying vessel, utilising its proven capability to handle extremely long cable lengths and install these at depth. The delivery and commissioning of the system is scheduled to be completed by September 2021.

Prysmian claims it has been taking a key role in the development of some of the most strategic submarine power interconnections worldwide, supporting the global upgrade of power grids to optimise the use of available resources with its state-of-the-art cable technology and its expertise in the field of MI cables, a key factor for Prysmian in the award of this project.

Source: Jake Frith

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