[Lawgvr1955]

Whatever happened with harnessing the tides or wave action? Unlike wind, they are happening all the time.

[aquila48]

Actually there are some pilot/demo projects being built.

http://www.alternative-energy-news.info/technology/hydro/wave-power/

Don’t worry though, as soon as they start any serious plant the environuts will be there to kill them.

[truth_seeker]

“Whatever happened with harnessing the tides or wave action? Unlike wind, they are happening all the time.

There is also something based on the ocean’s thermal gradient. Deep equals cold, shallow equals warm water.

I remember reading about this in the 70s during both oil crises.

http://en.wikipedia.org/wiki/Ocean_thermal_energy_conversion

http://www.google.com/search?q=ocean+thermal+gradient+power&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1