Even those Americans in the know about the country’s burgeoning offshore wind industry could be forgiven for thinking the sector has slipped into stasis since the 30MW Block Island array was switched on off Rhode Island, in the US Atlantic, in 2016.

The reality stands in stark contrast. States along the Eastern Seaboard have grown more ambitious almost by the month through a series of leasings that have seen vast swathes of maritime acreage awarded to developers — with analysts forecasting that as much as 30GW will be built by 2030, bringing with it a massive boost to economic development and employment in New England.