Here is some interesting reading & video material.

http://en.wikipedia.org/wiki/Ocean_t...rgy_conversion

http://www.nrel.gov/otec/what.html

http://www.seasolarpower.com/otec.html

http://www.youtube.com/watch?v=bgwvdjP-sCg

http://www.youtube.com/watch?v=AKm5RPAtmEU

http://www.youtube.com/watch?v=x59MptHscxY