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Aquamarinepower.com image This innovative wave power system uses hydraulic power to move high-pressure water onshore where it then produces power. This has major advantages. The system’s most complex equipment is onshore, meaning that maintenance workers don’t need to worry about repairing underwater gearboxes or generators that could be damaged by volatile ocean waters. Also, [...] Tidal and wave power remains a pricey way of creating power. The ocean is a rough place to site energy generation, and then there’s the question of getting the power to shore reliably. Salt, corrosion, and water turbulence takes a toll. There’s plenty of R&D going on in tidal and wave power. Hopefully someday [...] Marine Current Turbines can be raised above water for maintenance. The turbulent seas off Scotland could product massive amount of tidal and wave power. However, the industry is still in its infancy, with technical issues and financing sometimes being problematic. However tidal power is steady and consistent, a major advantage. The WSJ details [...] Green Ocean Energy is testing Wave Treader, a wave / wind hybrid that will generate power offshore. I am constantly struck by the difference between the optimistic, fast-moving world of clean power vs. the gloomy, wheels-falling-off financial world. Cleantech is finding solutions to the world’s problems while financial greedheads belatedly realize they need to [...] Wave power is definitely going big league, as witness this teaming up of Ocean Power, developer of wave power technology and Lockheed, who will provide the infrastructure for a massive wave power project off the west coast. Wind and wave power will co-exist on ocean platforms similar to offshore drilling platforms being developed by Grays Harbor Ocean Energy Company. They could also be powered by natural gas from LNG platforms when the wind isn’t blowing. The company has applied for permits in several states. [...] The Saltire Prize of £10 million will go to the company with the best plan for tidal or wave energy in the waters of Scotland, which is already a leader in such energy. The Scottish government said the potential wave and tidal capacity in its waters is estimated at 21.5 GW, with studies showing [...] The rippling “Anaconda” produces electricity as it is squeezed by passing waves. 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 [...] Artist’s conception of a wave farm of 750-kW Pelamis wave converters. Chemical and Engineering news has an excellent overview of the various technologies being developed to create electricity from moving water. The primary methods are wave and tidal. Wave Waves are powered by winds and uneven solar heating, he says, and wave energy works [...] |  | ||||
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