UK Progress Atlas

Logistics & Manufacturing

Sumitomo Electric Subsea Cable Factory

Sumitomo Electric’s £350 million factory at the Port of Nigg is designed to manufacture high-voltage direct-current subsea cable systems for electricity transmission and offshore wind connections.[1]

Current position

The factory formally opened on 19 October 2026. Completed refers to the opened physical factory; commercial-scale production commencement has not yet been independently confirmed.

Benefits

  • Designed for subsea cables rated up to 525 kV. The investment includes £24.5 million of Scottish public funding; up to 250 direct jobs are projected.
[2]

Latest developments

Logistics & Manufacturing · 19 October 2026

£350m subsea electricity cable factory opens in Scottish Highlands

Sumitomo Electric has officially opened its £350 million subsea cable factory at the Port of Nigg in the Scottish Highlands. The facility is designed to manufacture high-voltage direct-current cables for offshore wind farms and electricity transmission projects, rated up to 525 kV. It received £24.5 million in Scottish public funding and could create up to 250 direct jobs. Commercial-scale production commencement has not yet been independently confirmed.

Sources
  1. sumitomoelectriceurope.com ↗
  2. news.stv.tv ↗
  3. consultation.sepa.org.uk ↗