Tidal Power

May 2013
Tidal Power -- SW;May2013, p1
Energy can be retrieved from the oceans in five basic ways: tides, waves, tidal or marine currents, temperature gradients, and salinity gradients. Of these, wave energy is the most significant resource, followed by power from salinity and thermal gradients. Tidal and marine current offer the smallest potential capacity by a wide margin. According to the British government-funded research group The Carbon Trust, ocean energy resources in their entirety have the potential to generate 4000 TW of electricity and will likely constitute up to 20% of Europe’s total renewable resources by 2020.


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