Norwegian firm orders vessel capable of installing 300m turbine rotors

Havfram Wind has doubled its fleet of offshore wind installation vessels with an order for its second specialist vehicle, capable of installing the largest current components.

Havfram Wind said the order for the wind turbine installation vessel (WTIV) was part of its existing contract with shipbuilder CIMC Raffles. 

The new NG20000X jack-up vessel will be similar to the one Havfram is already using for offshore installations, the company said. The vessel is a hybrid drive model that Havfram said will help it reduce emissions per installed megawatt of offshore wind capacity. 

Offshore wind turbine installation requires specialised WTIVs which are capable of delivering the massive components in offshore wind farms, such as turbine towers and concrete monopile foundations. 

Havfram claimed that the NG20000X is capable of installing turbines with a rotor diameter over 300 metres, or monopiles weighing up to 3,000 tonnes at water depths of up to 70 metres. 

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