Energy consumption reflects the level of economic activity and standard of living in a country. As such, energy can be defined as the ability to do work. As this definition points out, energy is a vital part of human life and it would not be possible to achieve a desired level of economic growth and development in a country without it.
Commercial energy sources include fossil fuels (petroleum, dry natural gas and coal.), nuclear electric power and renewable energy sources excluding biomass and waste which is traditional or non-commercial sources of energy. Renewable energy sources fall into two categories, namely Hydroelectric Electricity and Non-Hydroelectric Renewable Electricity. Non-Hydroelectric Renewable Electricity is composed of Geothermal Electricity, Wind Electricity, and Solar, Tide, Wave and Fuel Cell Electricity.
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Use and Sources of Commercial Energy in OIC Countries (English) (French)