SSEN Transmission has held the official groundbreaking for the Lewis Hub, on the Isle of Lewis, Western Isles, United Kingdom (SSEN Transmission press release, 06/11/2026). The event marked the move from initial site preparation for main construction. The Lewis Hub comprises a HVDC converter station and AC substation at Arnish Moor and will enable up to 1.8 GW of renewable power generation to connect to the national transmission network. SSEN Transmission targets GBP125m (EUR150m) of spend with local businesses over the project’s lifetime.
The Lewis Hub is a central part of the Western Isles Connection project, under National Energy System Operator NESO's Pathway to 2030 development plan.