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Wave Energy Technologies San Jose State University FX Rongère May 2008
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Technology Three major concepts Attenuator Point Absorber Terminator
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Technology Finavera AquaBuOY
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Technology Test in Newport Oregon (Sep-Nov 07) Each buoy generates 250 kW Anchored by 110 feet of water A 4 unit test planned in Makah bay (WA)
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Technologies Ocean Power Technology Tests planned in Hawaii, Spain an Oregon for 40 kW units and 150 kW units
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Technology Permanent Magnet Linear Generator Buoy in development at Oregon Sate University
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Oregon State University Research Hinsdale Wave Research Lab (HWRL) Dimensions:342ft long,12ft wide, 15ft deep Wave period range: 0.5 to 10 seconds Max. Wave: 1.6 m (5.2 ft) @ 3.5 sec
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Technology
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Archimedes Wave Swing (AWS Ocean Energy) Secured an investment from Shell in Feb 2008
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Technology New 250 kW prototype to be installed in Orkney (Scotland)
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Technology
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Power absorber joint
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Technology Pelamis performance About 30-50% of conversion rate
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Technology Pelamis has been tested at sea in January 2007 It has been anchored to Orkney (UK) at the Marine Energy Test Centre
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Technology Wave Dragon
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Technology Funneling increases wave energy
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Technology Source:www.wavedragon.net
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Technology Source: G Hagerman Virginia Tech – EPRI “The Role of Advanced Hydropower and Ocean Energy in Upcoming Energy Legislation” Washington DC June 8 th, 2007
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Shallow Water The sea bottom influence the wave shape and particle motion Source: J Floor Anthoni, Oceanography: waves theory and principles of waves, how they work and what causes them
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Technology Oceanlink Water goes up and down in the cavity pushing and pulling air through the turbine Prototype of 450 kW tested in Port Kembla (Aus) (2007)
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Technology Port Kembla (New South Wales, Australia): a Power Purchase Agreement (“PPA”) has been signed with Australian utility Integral Energy for the supply of electricity from the prototype 450kW unit. This will be the first offshore wave energy company to be connected to the commercial grid (expected November 2007). Portland (Victoria, Australia): in advanced permitting stage for the deployment of eighteen 1.5MW units, giving a total capacity of 27MW. This will be the largest wave energy project in development in the world. GPP (Namibia): a signed contract with GPP, part of the listed Southern African Utility SELCo for a 1.5MW unit. Once this unit reaches its agreed performance criteria, it will be followed by a further 10 units, equivalent to 15MW. South West of England Regional Development Agency (SWRDA, Cornwall, UK): a signed Letter of Intent (“LOI”) with SWRDA for a 5MW facility as part of the Cornwall Wave Hub. Rhode Island (USA): a Memorandum of Understanding (“MOU”) with Rhode Island State authority for a 1.5MW unit, followed by a 15 to 20MW electricity generating facility off the mainland. Hawaii (USA): a signed MOU with an island in Hawaii for up to 2.7MW.
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Wavegen Oscillating Water Column concept on-shore Technology 75 kW prototype on Islay Island (UK) Source: Boyle, Renewable Energy, 2 nd edition, 2004
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Companies to follow Wavegen Oceanlinx Ocean Power Delivery Ocean Power technology Wave Dragon Finavera
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