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Prysmian Group spearhead UK's first 525 kV cable systems for Eastern Green Links

4C Offshore | Chloe Emanuel
By: Chloe Emanuel 25/05/2023 Prysmian Group

Prysmian Group has received two significant notifications from the GB electricity transmission network owners. SSEN Transmission and National Grid Electricity Transmission plc have selected Prysmian Group as the exclusive preferred bidder for the Eastern Green Link 2 (EGL2) cable connection. Additionally, SP Transmission plc and National Grid Electricity Transmission plc have chosen Prysmian Group as the exclusive preferred bidder for the Eastern Green Link 1 (EGL1) cable connection.

The Eastern Green Link 2 (EGL2) is a planned HVDC submarine and underground cable link that spans approximately 500 kilometres between Peterhead in Scotland and Drax in the North of England. Boasting a power transmission capacity of 2 GW, EGL2 is expected to be one of the first cable systems in the UK to utilize the cutting edge 525 kV technology with extruded XLPE insulation.

This ambitious project forms part of a series of planned system reinforcements that aim to enhance the capability of the existing UK transmission network, facilitating the flow of renewable generation from the North to demand centres in the South. By supporting the target of enabling 50 GW offshore wind generation by 2030 and achieving a Net Zero economy by 2050, EGL2 plays a crucial role in the UK's sustainable energy transition.

On the other hand, the Eastern Green Link 1 (EGL1) is a planned HVDC submarine and underground cable link with a route length of around 200 kilometres, requiring approximately 400 kilometres of cable. EGL1 will connect Torness in Scotland to Hawthorn Pit in the North of England. Similar to EGL2, EGL1 will also utilize the advanced 525 kV technology with extruded XLPE insulation and will have a power transmission capacity of 2 GW.

Additionally, a HVAC 400 kV cable system, spanning 5 kilometres with around 30 kilometres of cable, will connect the converter station and grid substation at the Scotland end of the route. EGL1 is the first cable system in the UK to incorporate this innovative technology. As with EGL2, EGL1 is part of the strategic plan to reinforce the existing UK transmission network, enabling the increased flow of renewable generation from the North to the South and supporting the nation's ambitious goals of 50 GW offshore wind generation by 2030 and achieving a Net Zero economy by 2050.

Prysmian Group is currently engaged in contract negotiations for both projects and aims to conclude the contracts in a timely manner.


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