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Conventional Energy Sources

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Conventional energy sources based on natural gas and oil has to be proven highly effective drivers of economic progress, but the same time damaging to human health and environment. They are cyclic in nature, due to the effects of oligopoly in production and distribution. A transition to renewables-based energy system is looking increasingly as the cost of solar and wind have dropped substantially in the past few years, and continue to decline, while the price of oil and gas continuously vary. In fact, fossil fuels and renewables prices, social and environmental costs are heading in opposite directions. Renewable energy sources currently supply somewhere about 15 percent to 20 percent of the world’s total energy demand (Herzorg, n.d.).The numbers shows that the total proved reserves of all fossil fuels is approximately 1.4% of total solar energy. …show more content…

It is preferred to other source of energy. This is so because that it is abundant, inexhaustible, non-polluting, cheap and environmental friendly. The earth receives about 4,000 trillion kWh amount of energy every day in the form of the electromagnetic radiations from the sun (Maheshwari, 2014). The use of solar energy is quite feasible in tropics, where at least six hours of sunshine received at every day at about 500-800W/m2 of average solar intensity radiation (Maheshwari, 2014). The total energy reaches to the earth surface per year is 5.46 1024 J. Not all solar radiations falls on earth’s atmosphere reaches the ground. Around 30% of solar radiation reflected into the space. 20% of solar radiation is absorbed by clouds and molecules in the air. About three quarter of earth surface is water. However, even if only 10% of solar radiation is utilizable, 0.1% of it can power the entire

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