In partnership with GE (Alstom), Freyssinet designed and built 36 wind turbines equipped with Alstom ECO 122 2.7 MW turbines at a hub height of 119 meters. For this purpose Freyssinet has developed an innovative and unique construction method, the Eolift®. Developed and patented by Freyssinet, this method allows the erection of towers (up to 160 meters) at wind speed up to 20 m/s without using cranes.