/LONDON, August 11, 2025, 12:20 BST, ScottishPower Energy Networks, Iberdrola/ ScottishPower Energy Networks, Iberdrola’s distributor in the United Kingdom, and National Grid Electricity Transmission reached an important milestone in the development of the Eastern Green Link 4 project (EGL4), a new subsea electricity ‘motorway’, by choosing Siemens Energy as the preferred bidder for the project’s two high-voltage direct current (HVDC) converter stations.
EGL4 is a new 2 GW high-voltage direct current subsea power link that will transport clean, domestically produced energy between Fife, Scotland and West Norfolk, England. This 530 km high-voltage cable will increase the region’s energy capacity and security. Much of the UK’s new offshore and onshore wind generation is located in or around Scotland, but the current transmission grid does not have the capacity to transport all this clean electricity to where it is needed most. Long-distance, bidirectional subsea infrastructure such as EGL4 is essential to strengthen the UK’s energy security with domestic energy and keep bill prices down by reducing dependence on imported and expensive fossil fuels.
Much of the UK’s new offshore and onshore wind generation is in or around Scotland, but the existing transmission network does not have the capacity to move all this cleaner electricity to where it is most needed. New long-distance, bi-directional, subsea infrastructure like EGL4 is essential in strengthening Britain’s energy security with home-grown energy and keeping bills more affordable by reducing reliance on expensive imported fossil fuels.
EGL4 recently completed its second phase of public consultation at both ends of the link. Construction is expected to begin in 2029, with the project coming online in 2033.
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