Tidal Wave | PPT
WEBMay 26, 2011 · Tidal Wave. Tidal power harnesses the energy from tidal waves and currents to generate electricity. There are two main types: tidal barrages and tidal stream power. Tidal barrages use large dams and turbines, storing water behind the dam until low tide when it is released to turn the turbines. Tidal stream power uses underwater .