La ferme marée-motrice de Sihwa a une puissance de 254 MW, soit un peu plus que celle de la Rance (240 MW). Elle va produire 500 GWh par an.

DIAPORAMA : 

http://pemsea.org/eascongress/international-conference/presentation_t4-1_kim.pdf

"According to IHS Emerging Energy Research, more than 45 wave and tidal prototypes are expected to be ocean tested in 2010 and 2011, signaling that the ocean power industry may be set to take off over the next year (...)"

http://www.hydroworld.com/index/display/article-display/6748418407/articles/hydro-review-worldwide/Volume-18/issue-6/departments/new-hydro.html

Liste des centrales marée-motrices dans le monde :
http://en.wikipedia.org/wiki/List_of_tidal_power_stations