National Grid submits application for proposed Sea Link project between Suffolk and Kent

If approved, it'd see 90 miles of undersea cable laid between the counties

Author: Sian RochePublished 28th Mar 2025

The Planning Inspectorate's got 28 days to decide whether or not to approve plans for a new electricity line which'd run between Suffolk and Kent.

It's after National Grid submitted its plans for the Sea Link project, which aims to lay 90 miles of undersea cable between the counties.

These would then come ashore near Sandwich in Kent and between Thorpeness and Aldeburgh in Suffolk.

A number of environmental groups have raised concerns about the plans - saying they'd disturb nearby wildlife.

National Grid says the project is needed to carry renewable and low-carbon power to homes, businesses, and public services, and will create additional capacity in both regions and in the wider network.

The submission follows multiple rounds of public consultation between 2022 and 2025.

Adrian Pierssene, Project Director for Sea Link said: “We have listened to and considered all the feedback we have received, shaping the plans we are submitting as a result.

“Sea Link is a vital investment in Great Britain’s energy future, creating the extra capacity needed to integrate renewable power into the grid, boosting energy security and supporting a cleaner electricity network.”

The public will have further opportunities to provide input during the examination stage.

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