A Brief Look at Geothermal Energy Essay - 645 Words

The power of electricity is available to anyone with a simple click of a button. The methods of obtaining the energy used to develop that electricity are commonly debated topics. One of those methods is using geothermal energy, or the Earth’s naturally produced heat. There are plenty of intriguing facts centered upon geothermal energy. For thousands of years, geothermal energy has been used in some countries for heating and cooking (â€Å"Geothermal Energy Info† 2). These underground systems being used contain water with teperatures that can rise above 200 degrees Celsius (430 degrees Fahrenheit) (â€Å"How Geothermal Energy Works† 2). Italy used geothermal energy thousands of years ago and is currently the fourth largest producer of geothermal†¦show more content†¦These â€Å"hot spots† usually occur at thin spots in the Earth’s crust or at tectonic plate boundaries (â€Å"How Geothermal Energy Works† 2). Water circulates naturally in these seismically active locations due to the large number of earthquakes in the area. (â€Å"How Geothermal Energy Works† 2). Four forms of producing geothermal energy are currently available: dry steam, wet steam, hot rocks, and geopressured deposits (Savage 22). To gain access to these resources, cooled water is injected down a well where it circulates through fractured rocks and heats up. Once hot, the water is sucked back up to the surface through another to be further processed into energy (â€Å"Geothermal Energy† 2). Dry steam sources are very practical for producing energy due to its very high temperature and its ability to cause no corrosion to turbines and various types of other equipment involved in the process (Savage 22). On the other hand, wet steam sources must be regularly maintained because they do cause damage to the equipment if left unchecked. Despite this drawback, it is a very useful way to generate energy (Savage 22). â€Å"Hot rocks are tan talizing geothermal sources, but water must be introduced artificially to the dry heat source to produce steam or hot water† (Savage 22). Geopressured deposits have been exploited for a very long time because they are generally hotter than most underground water systems (Savage 22). Magma is, without a doubt,Show MoreRelatedThe Future Of Renewable Energy2226 Words   |  9 PagesRenewable energy constitutes the energy coming from sources that do not get depleted with time. These sources are not typically exhausted and are environmental friendly. Although this paper will focuses more on hydropower, the types of renewable energy sources available in Canada include solar power, wind power, geothermal energy, ocean energy, and bio-energy. Renewable energy in Canada has as well had its environmental impacts. 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