Deep water floating wind turbines

Areva SWAY
Areva Sway

http://www.oceanpowermagazine.net/2009/08/07/areva-and-sway-announce-partnership-on-deep-water-floating-wind-turbine-solutions/

Two companies, Areva and Sway have announced a partnership to do a test installation of floating deep water turbines in waters off Norway. Total height is an impressive 616 feet.