The UK, which has 5.5GW of offshore wind installed or under construction, is expected to deliver more than 10GW by 2020, representing an investment of £16bn-21bn ($23.8bn-31.3bn).

Critics claim that relatively few investors hold sway, but just look at the amount of capital deployed in three years, averaging £2bn a year.

Britain’s offshore investment model has been utility-led, with Dong Energy, Vattenfall, RWE and E.ON