The Multi-float WaveSub Wave Energy Converter (WEC)

Lead Participant: Marine Power Systems Ltd


This project is a 12 month collaboration between Marine Power Systems (MPS) and University of Bath (UoB) to

model, design, build, test and validate a 1:30th scale multi-float version of the ‘WaveSub’ Wave Energy

Converter (WEC). The multi-float version will unlock WaveSub's long-term Levelised Cost of Energy (LCOE)

wave-to-wire efficiencies, to allow WaveSub to compete with ‘conventional’ energy generation without

subsidies, at <£60/MWh when fully commercialised. The WaveSub WEC is a game-changing device that tackles

the energy trilemma head on, being capable of providing sustainable & cost-effective renewable energy

generation to the UK grid - every day, 1TWh of wave energy enters UK waters; an amount equal to the UK’s

daily electricity consumption. The patented WaveSub stands out from the crowd, with its unique innovations

that include sub-surface orbiting power take-off floats and a variable depth reactor operation, allowing it to

survive storms and capture energy from the motion of waves, in almost all sea states.

Lead Participant

Project Cost

Grant Offer

Marine Power Systems Ltd, SWANSEA £182,758 £ 127,931


University of Bath, Bath £50,147


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