Alstom Hydro, a huge energy company, has signed an agreement with Clean Current Power Systems of Canada to commercialize tidal power products by 2012.
Ocean Power Magazine has the details, including:
Tidal stream power technology presents numerous advantages to the environment. It is clean, natural, invisible, and does not emit any greenhouse gases. Moreover, being a 100% predictable and inexhaustible energy source, it represents a durable new energy supply to respond to growing electricity demand.