SSEN Transmission has launched the invitation to tender for the northern converter civil works on the proposed Eastern Green Link 3 (EGL3) HVDC connection project.

This marks a major milestone in securing the supply chain for one of the UK's most ambitious electricity transmission developments.

EGL3 is a joint venture between SSEN Transmission and National Grid Electricity Transmission (NGET). It is designed to deliver a 2GW, 525kV HVDC link spanning approximately 680km of buried onshore and subsea cable between Peterhead in Aberdeenshire and the Norfolk area. The link will enable the efficient transmission of high volumes of renewable energy from Scotland to England.

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Scope of Work

The civil works package covers key infrastructure for the proposed converter station site at Netherton Hub in Peterhead. The scope includes:

• HVDC buildings

• Access roads

• Drainage

• Fencing

Other associated construction activities

This package is the final component to be tendered for the northern elements of the link and is critical to preparing the converter station area for the installation of HVDC technology. The overall EGL3 project is scheduled for delivery by 2033.

David Kerr, SSEN Transmission's EGL 3 Lead Project Manager, said that EGL3 will play a "vital role in unlocking Scotland's renewable energy potential" and that early engagement will help ensure the project is delivered on time.

EGL3 forms part of SSEN Transmission's ambitious Pathway to 2030 programme, which involves an investment of at least £22 billion in the coming years for new substations, subsea and underground cables, and overhead lines across the north of Scotland.