Scotland is one of the few nations to embrace tidal wave energy. On its Shetland Islands, the company "Nova Innovations" has already installed two 100-kilowatt turbines that are providing for its 23,000 residents. These islands are more likely to benefit from tidal wave energy.
http://www.takepart.com/article/2016/09/01/tide-shifting-worlds-most-reliable-renewable-energy-sources
http://www.takepart.com/article/2016/09/01/tide-shifting-worlds-most-reliable-renewable-energy-sources