(Thanks to NoCamels) Israel’s Solaris Synergy has developed a floating solar power plant. It will be especially useful for countries (like Israel) that do not have a large land mass. Installed on reservoirs, the eco-friendly system reduces evaporation and build-up of algae.
http://nocamels.com/2012/02/israeli-startup-develops-floating-solar-power-plant/
http://www.youtube.com/watch?v=pl8dfRuR10s&feature=player_embedded