UK's 2 GW subsea power cable gets government's approval

The UK government has granted development consent for the 2 GW Sea Link subsea high-voltage direct current (HVDC) electricity connection between Kent and Suffolk.

Sea Link is expected to enter construction in early 2027 and is one of the key infrastructure projects of the National Grid Electricity Transmission's (NGET) Great Grid Upgrade, which aims to substantially increase electricity transmission capacity in the UK.

The 2 GW project will have converter stations in Suffolk and Kent, linked by a 140-kilometer 525 kV subsea cable through the North Sea and Thames Estuary.

The project will be capable of carrying enough electricity to power the equivalent of 2 million homes.

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