Experimental efforts are being made to harness the extreme currents off Maine's coast, as underwater tidal energy turbines could soon generate power for nearby homes and businesses.
Aug 12, 2012 The New York Times
Testing is underway in the U.K. on 'Anaconda', a giant rubber 'snake' that converts tidal wave energy to electricity. A full-sized Anaconda could reportedly power 1,000 homes.
May 8, 2009 New Scientist