The current technology in these power plants also limits the operationally suitable locations. Tidal energy is also easy to be predicted as tidal currents are highly predictable (Tidal Power.UK, n.d). Romans had known how to generate power from the tides. 1. It is a form of hydroelectric power. Building tidal power plants takes a large amount of money upfront. Energy can be produced within short time periods. There are also a few disadvantages related to tidal energy mainly produced by the high upfront costs required when building a new tidal power station and the impact on marine life. It should be noted that figures for the future costs are comparable to current cost of conventional costs. Tidal energy is part of the renewable energy sources that will dominate the future. Using an online conversion and inflation calculator, … In the case of the sea, tides happen only twice every day. will be capable to replace all these polluting fuels that are used today on a mass scale. While there are many advantages to tidal energy there are also some disadvantages. Thirdly, tidal power is … Tidal Energy is the energy obtained from the rise and fall of tides. By harnessing tidal energy on a large scale, we can help reduce foreign fuels importation and enhance energy security, as people would no longer have to rely much on foreign fuel import to satisfy the growing energy demand. 1. 5. Using the power of the tides, energy is produced from the gravitational pull from both the moon and the sun, which pulls water upwards, while the Earths rotational and gravitational power pulls water down, thus creating high and low tides. LISTEN FOR MAIN IDEAS Listen to the report. When we harvest energy from tidal movements, then there are limited geographic locations where the usefulness of this … Every high tide is followed by a low tide, and all coastal areas of the planet receive two high tides and two low tides in a lunar day (24 hours and 50 minutes). Asked by Rajeev 9th September 2014 9:51 PM . How To Get A Job in Oil and Gas with No Experience? It is not a popular source of energy used at the moment, but it could be very useful source for electrical energy in the near future. 3. Tidal energy benefits as it is a renewable energy as it is the result of gravitational field from both moon and sun combined with earth’s rotation resulting in high and low tide (Energy Informative, 2013). 2) Tidal energy is environment friendly energy and doesn’t produce greenhouse gases. For this, they had built tide mills to generate mechanical power for grinding and other purposes. The high energy density of tidal power is mostly generated by the density of the seawater (1027 kg/m3), which is way higher than the density of the air. The tidal cycles have appeared along with the formation of the world’s oceans, and they represent the cyclic movement of the ocean water towards the shore or away from it. Tidal energy is produced by the surge of water in the ocean during the rise and fall of tides. Compared to nuclear reserves and fossil fuels, t… Lets now discuss the advantages and disadvantages of tidal energy. 2) There are very few ideal locations for construction of plant and they too are localized to coastal regions only. 5. In this process, the turbines are places in the tidal stream. 7. The rise of sea water due to gravitational pull of the moon is called high tide whereas the fall of sea water is called low tide. Water is a thousand more dense than air, which makes it possible to produce electricity at low speeds. There’s no avoiding the fact that tidal power holds one of the heaviest up-front price tags. It requires long gestation time. Renewable; Tidal energy is a renewable source of energy. Renewable source. This is why both the equipment’s installed capacity and physical size have entirely other limitations, though tidal turbines and stream generators that are being used are very similar to wind turbines. It is predictable. This allows tidal turbines to be effective at low water speeds, unlike wind turbines which require significant wind speeds. Tidal energy pertains to a form of power that particularly transforms the efficiency of the tides to beneficial forms of dynamism. The tidal cycles in our oceans are produced by the gravitational forces of the Moon, the Sun and the Earth combined, and can be used as a renewable resource of clean energy that can reduce our dependence on fossil fuels. It is renewable. What are the cons of tidal energy? Disadvantages of Tidal Energy. Effects on Marine Life The biggest concern regarding tidal energy is the effect that the turbines and plants will have on the marine life in the surrounding areas. 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