designed by swedish marine energy firm minesto, it's among a wave of new technology that hopes to revolutionisedynamic lift force, spinning the turbine and generating electricity. this design's very different to other types of tidal technology. so what's the advantage of a design like this one? we can install and operate and produce power in low flow currents with lightweight machines. although it looks big to the eye, this is actually a very small tidal turbine. we've designed the system as such to be maintenance friendly — you simplyjust tow them in, replace modules and then put them back in. we've also, over the years, removed more and more components from the system and fit them onshore instead. the less old components you have that could become damaged, it's easier to access it and it's much cheaper also. it's the gravitational pull of the moon, and to some extent the sun, which gives the tides their rhythm. and unlike wind, solar or hydro, tidal power isn't reliant on weather. while tidal barrages have been around for decades, their cost and the ecological impact has been a barrier. now,