Unusually, for wave power concepts, this converts the energy of ocean swells under the platform into air pressure which turns a wind turbine. The company’s previous demo in 2007 proved it works.
It works by trapping a hollow airspace above the ocean; pushing up into a 100 square metre tunnel in the 500 tonne unit.
There are no submerged moving parts, no hydraulic fluids, and nothing to deteriorate in the harsh environment of salt water.