Renewable energy is a wide topic to cover so we will narrow it down to one that is widely used which is hydropower. Twidella and Weir (1985) explained that the word hydro-power is restricted to the generation of shaft power through falling water (p.182). Basically, water that is in the dam has a high potential energy. When the water is falling through the shaft the potential energy is converted into kinetic energy and when the turbine moves through the force of the water it generates electricity (Darling, n.d). There are four types of hydro-power plants which are conventional hydro-power plant, pump storage power plant, tidal power plants and depression power plant (Dandekar & Sharma, 1983). According to Dandekar and Sharma (1983) Conventional power plants are those that make use of the normal flow of water to generate electricity, while Pump storage plant work like a conventional power ...
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