Video: Wave power

Stormy waters ahead (Image: Alex Williams/Buzz Pictures/Rex Features) The Oyster in operation in 2009. The Oyster is designed as a simple mechanical hinged flap connected to the seabed at around 10m depth. Each passing wave moves the flap, driving hydraulic pistons to deliver high pressure water via a pipeline to an onshore electrical turbine. (Image: Aquamarine Power) The Oyster is aptly named (Image: Aquamarine Power) The Pelamis Wave Energy Converter is a snake-like design that bends and flexes to the motion of the waves. This movement drives a hydraulic system that powers a generator to produce electricity …