The barrage is in the form of a tidal reservoir with sluice gates and tunnels underneath to allow water to flow through. This system involves constructing a barrage at the tidal basin or inlet. Let’s explore these technologies hereunder: Tidal Barrage These include tidal barrage which is the most common one, tidal lagoons and tidal stream. There are several types of tidal energy technologies. Tidal energy technologies and recent developments The Philippines country has also proposed San Bernadino Strait with a capacity of 2200 MW and it will cost $3 billion. The UK has proposed the Severn Estuary barrage system that will cost $15 billion with a capacity of 8000 MW. The costs of tidal power installation make it impossible for individual households to harness the energy. These projects were required to increase the current annual power production. For instance, the United States Department of Energy has in 2016 announced an investment of $16 million for 17 tidal energy projects. The good news though, is that governments are subsidizing projects that utilize tidal power to generate electricity. Furthermore, the turbines should be different to other renewable energies with only single direction of turning them. Even with barrage, a cost of building a separate tidal basin is too high. Tides have a higher density and, as such, one needs studier power plants to construct beneath the sea. Perhaps one of the stumbling blocks of unfolding the potential of tidal energy has been its startup cost. There are other uses, and many more applications are pending because this energy is still in development stage with modern technologies despite ancient populations knowing about it. Electricity production is just one of the applications of tidal energy. The movement of tides contains strong kinetic energy and that produces a higher output than hydropower. As thus, a reversible turbine is needed, and it is too costly. Instead of a single direction of turning the turbines, in tidal energy production, there are two directions. The process is the same as in hydropower production, but now the natural movement is harnessed instead of creating artificial lakes behind dams. It basically works by taking advantage of the rising and falling of sea levels. This energy has an efficiency of 80% in converting tides’ potential energy into electricity and it outshines other renewable sources such as geothermal, solar and wind. Tidal Energy Basics How does tidal energy work? The advantages and disadvantages of tidal power are also unfolded together with the applications thereof. I will also explore the tidal energy basics that how does this energy work and how is it generated. This is a tidal barrage plant which I will explore later. Its annual production amounts to 600 GWh. The first tidal power plant was erected in 1966 in France with a capacity of 240 MW and 24 turbines. Compared to other forms of renewable energies, tidal energy carries more potential because it is predictable. The concept of producing electricity from tides is relatively new and remains untapped in many countries. Tidal power has been used for hundreds of years ago in other applications but electricity production. This article will unfold the technologies used in harvesting tidal power. The gravitational forces between the moon and sun with the rotation of the earth yield massive tides in our oceans and we can harness that energy to produce electricity. Tidal energy (tidal power) is a typical hydroelectric energy that takes advantage of the tides to generate electricity.
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