The Use Of Coal For Power Should Continue

2229 words - 9 pages

The development of science and technology has led to people considering using alternative fuels to generate electricity. There are many alternative fuels that can generate electricity, such as natural gas, nuclear energy, wind energy, hydraulic power and so on (Fossil Fuels Used to Generate Electricity Power Plant Emissions of North America). According to the statistics by the U.S. Energy Information Administration in 2009, the usage of coal was still the largest source to generate the power. Sources of electricity in the United States were generated by 44.9% of coal, 20.3% of nuclear, 23.4% of natural gas, 1% of petroleum, 6.9% of hydroelectric conventional and 3.6% of others (Electric Power Monthly with Data for February 2014). Coal is the main source of electricity in many parts of the world, including the United States. One of the reason why most countries prefer to use coal to generate the electricity is that the cost of using coal is cheaper than other sources but powerful. The coal power stations are much easier to set up than other power station. There are many advantages in generating power from coal. Coal as a source of electricity is economic, safe, effective and it is easy to eliminate the secondary pollutions and so on. As a result, the usage of coal should remain its status and cannot be replaced by other fuels.
Using coal is one of the most historical ways to generate electricity around worldwide. According to the book Your World in Motion: The Story of Energy by George Barrow, the author stated that the first time people used thermal power by coal was at north train station Paris in 1875. The technology of the generators, the manufacturing of steam turbines and the power transmissions has been improved step by step. People paid more and more attention to the coal power plants because the emergence of the power systems and the highly demand of using electricity by society. In 1930s the thermal power by coal, was becoming an unprecedented era of great development. In the mid of 1950s the capacity of thermal power generating units improved from 200 to 300 megawatt to 600 megawatt. In 1973, the largest thermal power was 1300 MW. At the end of the 1980s, the world's largest thermal power plant with a capacity of 4400 MW was Japan's Kagoshima thermal power plant. However, people found that the bigger the unit, the lower the reliability and the availability. Thus in the early 1990s, the thermal power became stable at the unit capacity of 300 to 700 MW. (Barrow, 126)
Nowadays, coal is still one of the greatest used energy to generate power in so many countries. Using coal in electricity generation is 93% in South African, 87% in Poland, 79% in China, 78% in Australia, 45% in USA, 41% in Germany, 58% in Israel etc. (Coal & Electricity) From the data above, even the developed countries use coal to generate power as the main source. In many developed countries, energy generation is still based on coal as a long-term source. In...

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