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Wave Power

Wave Power. Hiroki Takahashi. A simple, renewable, clean source of energy produced by waves. What is it?. Most of the energy comes from the rising and falling water level. There are many different types of wave powers. How does it work?. A ttenuator. Point Absorber.

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Wave Power

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  1. Wave Power Hiroki Takahashi

  2. A simple, renewable, clean source of energy produced by waves. What is it?

  3. Most of the energy comes from the rising and falling water level. • There are many different types of wave powers. How does it work?

  4. Attenuator

  5. Point Absorber

  6. Oscillating Wave Surge Converter

  7. Overtopping/Terminator Device

  8. Submerged Pressure Differential

  9. Bulge Wave

  10. Rotating Mass

  11. Advantages Disadvantages Very expensive Limited number of suitable sites Environmental damage to estuarine sites Long period of development Possible effects on ports and industries upstream When visible, ugly • Predictable • Wave farms can predict about 48 hours in advance with increasing accuracy. • Renewable • Unlimited • Once built: Free (water) • Low maintenance cost. • High supply when high demand (winter) • Not as visible

  12. Around 10% of Europe’s total wave resource flows in the seas of the Scottish Isles. • Scottish Government calculate about 14 gigawatts of recoverable energy lying in the sea. • Scottish Government sets a target for having 100% of Scotland's electricity from renewable sources by 2020. Scottish Islands

  13. Wavegen is the world leaders in wave energy. • Limpet was placed on the shoreline since 2000. • Wavegen supplied the world’s first commercially operated wave plant in Mutriku. (Started in July 2011) • Supplied 16 power units that provide an output of 300kw in total. • Sufficient for around 250 homes. Wavegen

  14. Where is it prevalent?

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