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Geothermal Energy
Friday, May 30, 2008
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Counting from the beginning, we are at the eighth post, keep up the good work =)
Yes, today we are introducing the third energy resource, geothermal energy.
Krafla Geothermal Station in northeast Iceland
Geothermal Energy (aka Power and in Greek, Geo = Earth and thermal = heat) is energy generated by heat stored beneath the Earth's surface or the collection of absorbed heat in the atmosphere and oceans and it supplies less than 1% of the world's energy resources.
Advantages 1. The energy harnessed is clean and safe for the surrounding environment as compared to resources like fossil fuels. 2. It is sustainable because the hot water used in the geothermal process can be re injected into the ground to produce more steam. 3. Geothermal power plants are unaffected by changing weather conditions 4. Is also extremely price competitive in some areas (i.e. cheap) 5. Offers a degree of scalability: a large geothermal plant can power entire cities while smaller power plants can supply more remote sites such as rural villages.
Disadvantages 1. Construction of the power plants can adversely affect land stability in the surrounding region. 2. Dry steam and flash steam power plants also emit low levels of carbon dioxide, nitric oxide, and sulfur. 3. Although geothermal sites are capable of providing heat for many decades, eventually specific locations may cool down
Geothermal power is generated in over 20 countries around the world including Iceland, the United States, Italy, Germany, France, Samogitia (Lithuania), New Zealand, Mexico, Nicaragua, Costa Rica, Russia, the Philippines, Indonesia, the People's Republic of China, Japan and Saint Kitts and Nevis. Chevron Corporation is the world's largest producer of geothermal energy.
So, that's all for now. In the next few post, we boys shall post about fossil fuels and give a conclusion to the resources, so bye!
