Offshore wind contractors are missing out on lucrative supply deals for turbines because there are not enough installation ships in the market.

As interest in the sector intensifies, there is still a gap between wind-turbine installation vessel (WTIV) supply and the needs of energy companies and manufacturers, a webcast organised by Clarksons Platou Securities was told.

David Matthews, GE's sales director for wind and renewables in Northern Europe, said one of the first things turbine makers do is consult the...