While it remains unclear how – or even if – a mooted project might be affected by a lack of local content, the new government demand represents a major shift for the UK, which has become the world’s largest offshore wind market without yet sparking a manufacturing boom.

In announcing the government’s long-awaited Offshore Wind Industrial Strategy today, Business Secretary Vince Cable said that he would expect to see “something approaching” 70% of the content used in offshore wind farms coming from the UK, a similar local-content level to the declining offshore hydrocarbons sector.

Coming