Ocean energy can be converted into electrical energy and the produced electricity can meet the requirement in the future.
The oceans cover more than 75% of the earth surface. Oceans are the largest collectors of the solar energy, which later they convert into thermal energy and also electrical energy. The ocean energy conversion takes place to generate electricity from the tidal power, waves, ocean currents, and ocean breeze and salinity gradient. Among these, the three best-developed technologies are tidal power, wave energy and ocean thermal energy conversion. Although the sun has an effect on the oceanic movement, the tides are mainly generated by the gravitational pull exerted by the moon. There are many types of renewable energies, which can be converted to the production of electricity.
The electrical power generated from the wave energy conversion can fulfill the energy requirements to some extent in the future. Moreover, the ocean energy conversion neither produces any types of pollution nor causes the global warming. Since this reference is quite realistic and to the point, some alternative techniques are used now a day which explains the ocean energy conversion and activities of the waves all over the world. This procedure is termed as Ocean Thermal Energy Conversion or OTEC in short. This process uses the heat energy, which is accumulated, inside the oceans across the Earth to produce electricity.
Ocean energy conversion is restricted to Tropical regions, for example Hawaii, and to some parts of Atlantic coast. OTEC takes place when the temperature discrepancy between the deeper, colder ocean layer and the top and warmer layer is approximately 20°C or 36°F. These particular environments are present only in the Tropical coastal regions, mainly between the Tropic of Cancer and the Tropic of Capricorn. Ocean Thermal Energy Conversion is expensive with respect to other conventional methods. Inspite of that, it can generate billions of watts of electricity can be the future in this regime if the procedure could become cost competitive.
Wave energy conversion happens when the ocean waves occur mostly by contact of winds with the water surface. Wave energy is generally applied to generate electrical power alongside the California coast, chiefly along the north coast. The shoreline in the western side has the maximum wave prospective in the U.S. The seashore of California runs for more than 745 miles and the wave energy flux produced annually from the deeper water is greater than 37,000 megawatts on an average. 20% of this fluctuation can be converted to electric energy, which is sufficient for about 23% of present electricity consumption by the people of the California.