Japan’s largest power company, TEPCO, has joined the pioneering TetraSpar floating wind pilot project being run by Shell, RWE and Stiesdal Offshore Technologies (SOT) as the next-generation design gets ready to be towed out for sea-trials off Norway.

The Tokyo-headquartered energy giant’s investment in the demonstrator, which will marry a 3.6MW Siemens Gamesa turbine with an SOT-designed tetrahedral tubular steel platform engineered for factory-fabrication and quayside assembly, comes as the project team eyes installation at the Marine Energy Test Centre, located off Karmøy, in May, Recharge can reveal.