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Tidal Energy Facts You Won't Want to Forget

Tidal Energy Facts
Tidal energy is one of the oldest forms of renewable energy. Here is a compilation of interesting facts on tidal energy.
Madhura Pandit
Last Updated: Feb 3, 2018
Wind Turbines At Sea
Tidal energy, in the simplest terms, can be defined as the energy created by the movement of the water to the tides and waves of the ocean and currents in the river. This energy is created with the help of turbines that are located under the water. The main purpose of the tidal energy is to generate electricity at the tidal power plants.
Facts About Tidal Energy
  • The energy is created by utilizing the gravitational forces of the sun and moon, as tides are a result of their influences.
  • It is the energy obtained from the changing sea levels or ocean currents and tides, i.e, from low tide or high tide.
  • There are 2 basic theories on how tides are converted into power. According to the first theory, the power of the horizontal movement of the water is converted into electricity. Whereas, in the second method, energy is produced from the rise and drop of water levels.
  • Tidal energy is one of the oldest forms of energy, known to man since circa 787 A.D.
  • Tidal barrages and undersea tidal turbines are used to harness undersea currents for the production of energy.
  • It is influenced by geography and speed and volume of the currents. Hence, it is produced in very few locations in the world.
  • Unfortunately, the turbines can lead to the displacement of wildlife habitats in the specific region, thus altering the ecosystem.
  • Also, the speed of the tides cannot be controlled or increased; which can be bothersome in some cases.
  • No side products like greenhouse gases or other pollutants are given out during the production of electricity through tidal energy.
Facts for Kids
  • It is used to produce electricity and some other forms of power by using water.
  • It is a renewable source of energy, i.e., it can be produced by man whenever needed and can never get exhausted.
  • Tidal power is a non-polluting and reliable source of energy.
  • As the tidal currents are predictable according to size and time aspects, the production of energy is predictable and comparatively easier.
  • Production of tidal energy does not require fuel of any kind which makes economic beneficial.
  • Tidal energy power plants make use of similar technology; i,.e., dam and turbines, which is similar to that used in hydro-electric power plants.
  • One of the other advantages is that the tides of the ocean are active for 24 hours a day and 365 days a year.
  • This energy, in a way, reduces our dependence on fossil fuels to some extent.
  • Using this energy effectively can decrease the need for nuclear power and its risks.
  • Tidal energy generation and consumption is eco-friendly as it creates no liquid or solid pollution.
As there are several advantages of this renewable source of energy, surely there will be an increase in its production and usage in the near future.
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