The 3,500 tonne cigar-shaped steel foundations, which will each measure 90 metres in length and 14.5-metres in diameter, will be fabricated at Navantia's Fene yard, starting in December.

Installation of the quintet of 6MW Hywind units, to be anchored 25km off Peterhead in more than 100 metres of water, is slated to be complete by 2017.

Buchan Deep and Pilot Offshore Renewables' 50MW Kincardine project, also off Scotland, are racing to become the first operational floating wind farm.

If