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Voith Hydro pump used in Kopswerk II (Image credit: Voith Hydro) Renewable energy is often intermittent. But pumped storage changes that by pumping water into reservoirs to create power when needed. Kopswerk II in Austria shows how it’s done. Within seconds, it can feed up to 525 MW into the grid to serve [...] A new technology called VIVACE (Vortex Induced Vibrations for Aquatic Clean Energy) being tested by the University of Michigan can generate power from slow-moving water When water hits the leading edge of a cylinder it forms a vortex behind, which moves the next cylinder. These whirlpools in turn swirl the cylinders that are connected [...] A UK engineer has invented a device that harnesses wave power to pump sea water uphill, from where it can flow downhill to create hydroelectricity, raising hopes of a cheap, abundant source of renewable energy. A test version pumped water 160 ft above sea level using wave motion. A full-sized version could pump to [...] The turbine is mounted underwater, on a tethered barge. So, not only is it portable, it requires no dams or other expensive investments, plus there’s very little needed in terms of regulatory processes. From the company, Hydro Green Power Hydro kinetic technologies describe the ability to produce zero emission renewable power (energy) from the [...] |  | ||||
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