20 Feb '12, 10am

Ecotricity Backs New Technology to Harness Wave Energy: According to Ecotricity, Searaser is the latest in harne...

Ecotricity Backs New Technology to Harness Wave Energy: According to Ecotricity, Searaser is the latest in harne...

According to Ecotricity: “Most existing wave technologies generate electricity in the ocean environment. But as we know water and electricity don’t mix – and seawater is particularly corrosive – so most other devices are very expensive to manufacture and maintain. But Searaser doesn’t generate the electricity in the water. It simply uses the almost constant motion of the ocean swell to drive seawater through an onshore turbine. Searaser pumps seawater using a vertical piston between two buoys – one on the surface of the water – the other suspended underwater and tethered to a weight on the seabed. As the ocean swell moves, the buoys move up-and-down and the piston pumps pressurised seawater through pipes to an onshore turbine. This produces electricity. Searaser units could also supply energy on-demand by pumping seawater into a coastal reservoir, with a hydropower turbine...

Full article: http://www.triplepundit.com/2012/02/ecotricity-backs-new-...

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