Natural Energy Resources:Ocean Energy

Those tough lashing waves that we see on the oceanwhen there is a low tide, thereby functioning just like a
surfaces are not just for surfing or playing waterhydroelectric plant.
sports. It can also be used to generate electricity. AsOcean thermal energy Conversion: Although it sounds
of today there are quite a few such plants available.way too scientific, the concept is a pretty old one and
So then, how exactly is electricity generated from themakes use of the temperature difference in the
tidal forces of the oceans?waters of the ocean. If you had observed while
There are different ways of tapping this energy. Oneswimming, the water nearer to the ocean surface is
way is to capture the tides of the ocean and utilize itwarmer than the water that is deep inside. This
to produce mechanical motion; the other ways includetemperature difference is enough to set a
capturing the forces of the high tides or low tides andthermocouple into action, which can generate
sometimes capturing the temperature differences inelectricity.
different parts of the ocean.Though it is quite a simple process to extract energy
Energy produced using waves: The kinetic energyout of the oceans, its practicality is again limited to
produced using waves is tapped by setting suitablewhere the oceans are and are again subject to a little
apparatus so as to utilize that energy. A contraptionunreliability and high costs of operation visa vis
filled with air lets the high rising tidal wave in, which inaverage output in electricity generation.
turn pushes the air outside. This air while rushing outSince oceans cover almost 75% of the earth's
sets a turbine into a rotary motion can be used tosurface, they could be thought of as a gigantic solar
generate electricity.cell, if you will. With that kind of abundance, it is only a
Tidal energy: Tides rising about on the surface of thematter of harnessing the right way to deliver this
oceans, which are caused by the gravitational forcesenergy to our everyday residential or commercial use.
of the sun and the moon, can also be tapped just asWhile it is uncertain if it could be used for mainstream
the way they do in a hydro electric plant. The rising tideindustrial purposes, it could nevertheless supply electric
is captured behind a dam like structure and is let outcurrent to our homes one day.