But the UK start-up regrouped and devised a new tack to commercialise its innovative concept, which has since involved constructing a bespoke test bed to further develop a novel power take-off (PTO) system as a potential core technology for a range of wave-energy units.

“In a way, the strategy of the company has not changed — the test rig was built purely so we could get some data from the PTO in the sea,” says chief executive Steve Packard.

“When