How can tidal energy be captured as a renewable resource?

In addition to its abundant solar, wind and geothermal resources, the Pacific Northwest is also uniquely situated to capture the renewable energy of the ocean. Special buoys, turbines, and other technologies can capture the power of waves and tides and convert it into clean, pollution-free electricity. read more

Picture taken from: Tidal Range Energy; Tidal lagoon A tidal lagoon is similar to a barrage, but instead of a dam in a river an artificial lagoon is created to hold the water. There are plans to build such a system in Swansea Bay in Wales ; Tidal stream This uses technology that is similar to wind turbines (but with different, smaller blades). read more