Under a NEDO contract, Hitachi Zosen has developed a small and lightweight barge type floating body as carrier for wind turbines which can be installed in shallow waters of about 50 m. It will be equipped with a wind turbine near Kitakyushu this summer and demonstration operation will start this autumn.
NEDO news release, June 8, 2018
Hitachi Zosen presents barge-type offshore wind power system