The Danish wind turbine manufacturer has concluded that an 8MW machine makes more sense in terms of the technology and costs involved than a 7MW model, says a source.

Vestas put the brakes on its V164-7MW programme in May of this year, announcing that deployment of the first prototype would be pushed back from 2013 into the following year.

The company currently plans to stick to that timetable with the 8MW development programme.

However,