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Lewis Hub Construction Begins for Scotland's Energy Interconnection

Lewis Hub Construction Begins for Scotland's Energy Interconnection

First seen 12 Nov 2026, 01:12 UTC • •
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ThreatCluster AI
ThreatCluster •November 12, 2026 at 01:12 UTC
  • •Construction of the Lewis Hub project began on November 5, 2026.
  • •The interconnector will link the Outer Hebrides to the UK national electricity grid for the first time.
  • •The project includes 83 km of underground and 81 km of subsea cable.

SSEN Transmission has commenced main construction on the Lewis Hub project, which will connect the Outer Hebrides of Scotland to the UK national electricity transmission network. The groundbreaking took place on November 5, 2026, at Arnish Moor near Stornoway. The project includes a high-voltage direct current (HVDC) converter station and an alternating current (AC) substation, with a planned capacity of 1.8 GW. Approximately 83 kilometers of underground cable and 81 kilometers of subsea cable will be installed to facilitate this connection. The project aims to enhance the integration of renewable energy from the islands into the national grid and is part of a £22 billion investment program by SSEN Transmission. The Scottish Government approved an amendment to the marine license earlier in 2026, allowing for an increase in the cable's planned capacity. This initiative is expected to create over 70 apprenticeship and training opportunities for local residents.

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Timeline

2026-01-01
Scottish Government approves marine license amendment
The Scottish Government granted approval for an amendment to the marine license, increasing the cable's capacity.
Inspenet
2026-11-05
Main construction begins on Lewis Hub
SSEN Transmission held the groundbreaking for the Lewis Hub project, marking the transition to main construction.
Offshore-Energy.Biz

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Common questions

What is the capacity of the Lewis Hub project?
The Lewis Hub project has a planned capacity of 1.8 GW.
When did construction start?
Main construction began on November 5, 2026.
How will this project benefit local communities?
The project is expected to create over 70 apprenticeship and training opportunities for local residents.