Iberdrola-owned developer Ailes Marines has awarded a contract to a joint venture formed by Eiffage Métal and Engie Solutions to fabricate a giant substation for the €2.4bn ($2.72bn) Saint-Brieuc wind farm off France.

The substation for the 496MW wind farm comprises a 63-metre high jacket foundation weighing around 1,630 tonnes and 315 tonnes of piles, plus a topside weighing approximately 3,400 tonnes.