Ocean energy derives from technologies that use the kinetic and thermal energy of seawater – waves or currents for instance – to produce electricity or heat.

Ocean energy systems are still at an early stage of development, with a number of prototype wave and tidal current devices being explored. The theoretical potential for ocean energy easily exceeds present human energy requirements.

Tidal waves from sea water has unlimited potential. This energy has no pollution and easy to be installed in existing sea port, so relatively cost cheaper to be built.