Essay --

The energy challenges in the last few decades and the higher environmental issues around the globe have been pushing many countries to provide incentives for promoting renewable energy source exploitation so as to replace or minimize the use of fossil fuels which emit pollutants and large amount of carbon dioxide. Renewable energy is a source of energy which comes from natural resources such as sunlight, wind, rain, tides, waves, geothermal heat and biomass. These are naturally replenished when used [1]. Large shares of renewable electricity generation are a promising possibility to address global warming and the rising scarcity of hydrocarbon fuels [2]. Solar energy is a well-known proven technology, because of its availability and it does not have negative effects on the environment compared to other conventional energy such as the use of fossil fuel which gradually increases the earth average temperature and pollution. Solar energy is also one of the most available forms of energy on the earth’s surface. The earth’s surface receives a daily solar dose of 10E+8 kWh, which is equiva...