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Tidal power, also called tidal energy, is a by-product of gravity. Specifically, it comes from thepull of the moon鈥攁nd, to a lesser degree, the sun鈥攐n the earth鈥檚 oceans. The moon鈥檚 gravity exerts a force on all parts of the earth. However, this pull is strongest in the areas closest to the moon.

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  • How is tidal energy produced?

  • Tidal energy is produced by the surge of ocean waters during the rise and fall of tides. Tidal energy is a renewable source of energy. During the 20th century, engineers developed ways to use tidal movement to generate electricity in areas where there is a significant tidal range鈥攖he difference in area between high tide and low tide.

  • Where can tidal energy be exploited?

  • Presently, tidal energy is exploited in locations near oceans and seas, as well as rivers mouths. Natural narrow channels with high tidal flow rates can also take the advantage of capturing the tidal power. In order to increase the efficiency of the tidal plants, in some places, the energy is stored in dams, nearby the coast or river mouths.

  • What is the current status of tidal energy?

  • Tidal energy production is still in its infancy. The amount of power produced so far has been small. There are very few commercial -sized tidal power plant s operating in the world. The first was located in La Rance, France. The largest facility is the Sihwa Lake Tidal Power Station in South Korea.

  • Where is the world鈥檚 first tidal power station?

  • The world鈥檚 first tidal power station, located on the Rance River in Brittany France, opened in 1966. How do tidal energy projects impact the environment? Tidal energy is a renewable source of electricity and does not result in any greenhouse gas emissions.

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