Wave power refers to the energy of
ocean surface waves and the capture of that energy to do useful
work - including
electricity generation,
desalination, and the pumping of water (into reservoirs). Wave power is a form of
renewable energy. Though often co-mingled, wave power is distinct from the diurnal
flux of
tidal power and the steady gyre of
ocean currents. Wave power generation is not a widely employed technology, and no commercial
wave farm has yet been established. Plans to install three 750 kW
Pelamis devices at the Aguçadora Wave Park in Portugal in 2006 have been delayed and no installation had taken place by August 2007. Other plans for wave farms include a 3MW array of four 750 kW Pelamis devices in the Orkneys, off northern Scotland, and the 20MW
Wave hub development off the north coast of
Cornwall,
England. The north and south
temperate zones have the best sites for capturing wave power. The prevailing
westerlies in these zones blow strongest in winter.
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