Energy is one of the major inputs for the economic development of the country. Any sustainable energy source that comes from the natural environment is a renewable energy source. Renewable energy is inexhaustible and a clean alternative to fossil fuels. In this article, we will learn about the types and sources of renewable energy.
What is Renewable Energy?
Renewable energy is energy that is produced from natural processes and continuously replenished. A few examples of renewable energy are sunlight, water, wind, tides, geothermal heat, and biomass. The energy that is provided by renewable energy resources is used in 5 important areas such as air and water cooling/heating, electricity generation, the rural sector, and transportation.
According to a report in 2016 by REN21, the global energy consumption by the use of renewable energy resources contributed to 19.2% in 2014 and 23.7% in 2015. Many countries have started to invest in these renewable energy resources as these resources will help in maintaining sustainable development. The amount of investment in 2015 was about 286 billion dollars and major sectors were biofuel, solar power, wind, and hydroelectricity.
The existence of renewable energy resources is spread over a wide geographical area in comparison to the conventional energy resources which are often concentrated in a limited number of countries like the oil and gas are mostly concentrated in the Middle East countries. The use of renewable energy resources in energy generation is resulting in less pollution and has a significant effect on economic benefits and energy security.
Examples of Renewable Energy
We can define renewable energy as those energies which can never be depleted. The importance of renewable energy is invaluable. These types of energy sources are different from fossil fuels, such as oil, coal, and natural gas. Some examples of renewable energy sources are:
- Wind energy
- Solar energy
- Geothermal energy
- Hydropower
- Biomass energy
Sources of Renewable Energy
The sources could sustain for a longer period of time and can easily be renewed often. Sustainable sources are biomass, nuclear power, geothermal, wind energy, solar power, tidal power, and wave power.
The sources of renewable energy are known to be less polluting and therefore the whole world is looking forward to new carbon emission norms, where carbon will play a major role in developing new factories and industries. They will be rated according to the carbon emission and the products that they are producing will be rated accordingly.
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