Input Sustainability - Electricity Generation

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Electricity Generation Introduction Electricity generation is to create electricity from other forms of energy. The fundamental principles of electricity generation were discovered by Michael Faraday, which is the electromagnetic induction. Voltages (electricity) are generated across a conductor situated in a changing magnetic field or a conductor moving through a stationary magnetic field. The source of electricity generation is classified into two categories. They are the non-renewable sources and renewable sources. The non-renewable sources are uranium and fossil fuels such as, coal, oil and natural gas. These sources are efficient energy sources as with small amount we can produce relatively large amount of electricity. The renewable sources are wind, water, biomass, sun and geothermal. These sources are often difficult and expensive to harness ad large amount are needed to produce small amount of electricity. Ecosystem good and services Fresh Water Hydroelectricity power is produced by the movement of fresh water in rivers and lakes. The most common form of hydroelectricity power plant is constructing a dam on a river to store water in a reservoir or artificial lake. When electricity is in demand, the water is released from the reservoir. The force flowing water turns the blades of the turbine which drives the generator to produce electricity.[15]In Australia, most of the hydroelectricity power comes from the two largest plants, namely the Snowy Mountains Scheme and the Tasmanian Hydro-Electric Installation. Fresh water is used in nuclear, coal, gas and oil power stations. Fresh water acts a coolant to remove the heat produced in the combustion chamber. Water is being heated and become steam which turns the blades of turbines. The turbine drives the generator and produces electricity. Topsoil Industrial biomass can be grown from numerous types of

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