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By Luyang Liu
What is Geothermal energy and how does it power Australia?

Geothermal energy is a type thermal energy generated from the Earth. It’s also a form of clean and sustainable energy compared to various of other forms of energy; alternatively, it’s another form of renewable energy. Australia can thus greatly benefit from geothermal energy, due to fact that it has numerous advantages.

Geothermal energy is generated from radioactive decay of minerals within the core of the Earth, and from solar energy absorbed by the Earth. It is evident that resources of geothermal energy comes from miles underground or perhaps even deeper, amongst extreme high temperatures of molten rocks and magma. At the core of the Earth, temperatures may reach over 5000 degrees celsius (9,000 degrees Fahrenheit). Heat are withdrawn and will be generated as electricity.

Geothermal energy is low on cost, reliable and environmentally friendly, and thus geothermal energy is sustainable to our environment. It is considered sustainable because heat extract is spontaneously small compared to Earth’s contents, therefore it doesn’t not affect Earth itself.

Advantages of Geothermal Energy:
There are a wide range of advantages of harnessing geothermal energy. The main advantage of harness geothermal energy is the concept of generating less pollution. Geothermal energy have the potential to reduce reliance on fossil fuel. With skyrocketing prices of petrol, various countries are pushing companies to adopt these clean sources of energy. Geothermal energy can also be used directly and instantaneously, it is evident that people have been using this source of energy for taking bath, heating homes, preparing food and nowadays it is also used for direct heating of homes and offices. There is evidence suggest that geothermal energy also gives a significant cost saving on the economy; geothermal energy generally involves lowering running costs since it saves an amazing amount of 80% costs over fossil fuels. Furthermore, no fuel will be required to generate the power to run the Geothermal energy facilities.

How does geothermal electric plants generate electricity?
Gas that are emitted by geothermal energy is used to turn the blades of a turbine, which then is used to power a generator and produce electricity. It is evident that this process heat energy is converted into mechanical energy, and mechanical energy into electricity.

How can geothermal energy power Australia?
Geothermal energy is rarely used in Australia, nevertheless it’s gradually increasing. There are known potential locations near the center of Australia that have been indicated to contain hot granites at depth which hold optimistic potential for development of geothermal energy. Exploratory geothermal wells have been drilled for experiments for presence of high temperature geothermal reservoir rocks and such hot granites were detected. Above all, geothermal energy productions will eventuate in the upcoming years and explorations are expected to find new locations.

Above all, geothermal energy have the potential is light up Australia with it’s environmentally friendly advantages. We should definitely consider geothermal energy and utilise such renewable energy efficiently.

Geothermal energy = viable and feasible By Luyang Liu

bibliography:
What is geothermal energy?
Geothermal power in Australia?
Advantages of geothermal energy
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