The two Danish companies will install and test the V164-7MW turbine at Dong’s demonstration site off Frederikshavn.

Installation is due in 2013 at the Denmark site, where Dong has permission to install a total of six demonstration turbines.

Vestas unveiled the V164-7MW in March, when Ditlev Engel, Vestas chief executive, described it as having “epic proportions to address energy challenges of a similar dimension”.

The