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National Grid's Sea Link Project Approved Amid Environmental Concerns

National Grid's Sea Link Project Approved Amid Environmental Concerns

First seen 30 Oct 2026, 17:45 UTC • •
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ThreatCluster AI
ThreatCluster •October 30, 2026 at 19:16 UTC
  • •The Sea Link project will connect Kent and Suffolk with a 138-kilometre subsea cable.
  • •It aims to transport 2 gigawatts of electricity, enough for two million homes.
  • •Significant local opposition exists due to environmental concerns, despite government approval.

The UK government has granted development consent for National Grid's Sea Link project, a 138-kilometre high-voltage subsea cable linking Suffolk and Kent. The project aims to transport up to 2 gigawatts of electricity, enough to power two million homes, and is part of the Great Grid Upgrade initiative. Despite its potential benefits for energy security and capacity, the project has faced significant opposition from local residents and conservationists due to concerns over environmental impacts, including habitat loss and visual harm. The approval was issued by Baroness Curran on behalf of the Secretary of State for Energy Security and Net Zero. The decision acknowledges that the project will cause lasting landscape and visual harm, but the government concluded that the public benefits outweigh these harms. The project will include converter stations in both counties and is expected to begin construction in early 2027, with completion anticipated by 2031.

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Timeline

2026-10-30
Development consent granted for Sea Link
The UK government approved National Grid's Sea Link project, allowing construction to proceed despite environmental concerns.
Theisleofthanetnews
2026-10-30
Government acknowledges environmental harm
The approval letter noted significant landscape and visual harm from the Sea Link project, which will last over 15 years.
Kentonline
2026-10-30
Construction expected to begin
Construction for the Sea Link project is anticipated to start in early 2027, with completion expected by 2031.
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Common questions

What is the Sea Link project?
The Sea Link project is a 138-kilometre subsea electricity cable connecting Kent and Suffolk, designed to transport up to 2 gigawatts of power.
What are the environmental concerns?
Concerns include significant landscape and visual harm, habitat loss, and impacts on local wildlife, particularly in sensitive areas.
When will construction start?
Construction is expected to begin in early 2027, with the project slated for completion by 2031.