Interesting Facts

  • Wave and tidal devices convert the energetic movement of the waves, and the rise and fall of the tides, into electricity via internal generators.
  • The electricity is transported to shore via¬†underwater cables.
  • Wave devices are either floating or fixed to seabed or shore.
  • Tidal projects use tidal barrage (similar to hydro dam or underwater turbine generators)
  • Scotland has more than a quarter of Europe’s potential wave and tidal resources!
  • Some of the best resources are located off the north-west coast and northern tip of Scotland
  • Around the coast of the UK the sea levels rise and fall twice daily.
  • The Pelamis Wave Device was developed & manufactured in Scotland
  • Pelamis is greek for sea snake!


  • Wave and tidal energy is freely available.
  • Once installed running costs are very low.
  • No fuel is required.
  • No waste or pollution is produced.
  • Wave energy is capable of producing large amounts of energy.
  • With tidal energy the amount and time when electricity produced is very predictable.

Down Sides

  • Developing and testing technology in the sea can be expensive
  • Wave devices can be hazardous for ships and leisure craft
  • Difficult to find suitable locations for tidal power
  • Tidal devices can affect sea life

Local Applications

  • None in Aberdeen City and Shire, but the European Marine Energy Centre in Orkney and the Wavegen Limpet project at Islay.