Nexans' new $200m subsea cable plant in Charleston, South Carolina has been hailed as the start of what is expected to be a massive industrial ramp-up to support the offshore wind sector, after the French manufacturer completed the largest US supply chain investment by a private firm so far.

The 44,000-square-metre Nexans plant was converted from manufacturing high voltage transmission lines to cables for offshore wind farms, and already counts as customers Eversource and Orsted, which are allied for several projects on the northeast Atlantic coast, as well as Equinor, which is developing the Empire