What are the Conventional and Non-Conventional Sources of Energy?
What are the Conventional Sources of Energy?
Conventional sources of energy are the non-renewable sources of energy that are present in a limited quantity apart from hydro-electric power and can be used for a long time. They are called natural sources as once they are depleted, they cannot be generated at a speed which can sustain their consumption rate. They are formed from decaying matter over hundreds of millions of years. However, it can be classified under commercial and non-commercial energy.
Commercial Energy Sources:
Coal, electricity, and petroleum are known as commercial energy since the consumer needs to pay its price to buy them.
Coal is the most important source of energy. There are more than 148790 coal deposits in India. In the year 2005 and 2006, the annual production went up to 343 million tons. India is the fourth-largest coal-producing country and the deposits are mostly found in Bihar, Orissa, Madhya Pradesh, and Bengal.
b) Oil and Natural Gas:
Today oil is considered to be the liquid gold and the most crucial source of energy in India and also in the world. Oil is mostly used in planes, automobiles, trains and ships. It is mainly found in Assam, Gujarat, and Mumbai.
The total production of oil in India was 0.3 million tons in 1950-51, and that was increased up to 32.4 million tons in 2000-01.
Electricity is a common source of energy which is used for domestic and commercial purposes. Mainly, it is utilized in electrical appliances like fridge, T.V, washing machine and A.C.
The major sources of power generation are mentioned below:
- Nuclear Power
- Thermal Power
- Hydro-electric power
Thermal power is generated at various power stations by using oil and coal. It is a vital source of electric current and its share in the total capacity of the nation in the year 2004-05 was 70%.
Hydroelectric power is produced by constructing dams above flowing rivers like Bhakra Nangal Project and Damodar Valley Project. In 1950-51, the installed capacity of hydroelectric power was 587.4 mW, and in 2004-05, it went up to 19600 mW.
The fuel used in nuclear power plants is Uranium, which is cheaper than coal. Nuclear power plants can be found in Kaiga (Karnataka), Kota (Rajasthan), Naroura (UP), and Kalapakam (Chennai).
Non-commercial energy sources:
Generally, the energy sources that are freely available are considered non-commercial energy sources. Examples of non-commercial energy sources are straw, dried dung, firewood.
What are the Non-Conventional Sources of Energy?
Non-conventional sources of energy are energy sources that are continuously replenished by natural processes. These cannot be exhausted easily, can be generated constantly so can be used again and again. The energy obtained from non-conventional sources is known as non-conventional energy. These sources do not pollute the environment and require less expenditure. They are called renewable resources as they can be replaced through natural processes at a rate equal to or greater than the rate of their consumption. Some examples of non-conventional sources (renewable sources of energy) are as follows:
This is the energy that is produced by sunlight. The photovoltaic cells are exposed to sunlight based on the form of electricity that needs to be produced. The energy is utilized for cooking and distillation of water.
This kind of energy is generated by harnessing the power of wind and mostly used in operating water pumps for irrigation purposes. India stands as the second-largest country in the generation of wind power.
The energy that is generated by exploiting the tidal waves of the sea is known as tidal energy. This source is yet to be tapped due to the lack of cost-effective technology.
Which is the largest non-conventional source of energy?
Solar energy is the largest non-conventional energy source.
What is the importance of the non-conventional source of energy?
Non-conventional sources of energy are considered as important because they are environment friendly, renewable, pollution-free, and their availability is in abundance.
What are the advantages of conventional energy sources?
The advantages of conventional energy sources (non-renewable energy source) are as follows:
- This energy source is a well-known source
- The production expenses are low
- The efficiency of the energy source is high
What are the advantages of non-conventional sources of energy?
Some advantages of non-conventional sources of energy are as follows:
- These sources of energy are environmentally friendly
- They are easy to operate
- They are inexhaustible
What are the disadvantages of conventional energy sources?
The two disadvantages of conventional energy sources are:
- It is not environmentally friendly
- When used on a longer run, can deplete soon
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What are the differences between Conventional and Non-Conventional sources of energy?
Energy can be defined as the capacity or ability to do work. It plays an important role in our day to day life as it is required in every field like industry, transport, communication, sports, defense, household, agriculture, and more. There are plenty of energy sources to get energy. These energy resources can be classified as Conventional and Non-conventional sources of energy. Let us see the key differences between Conventional and Non-Conventional sources of energy:
|Conventional sources of energy||Non-Conventional sources of energy|
|These sources of energy are not abundant, present in limited quantity, e.g. coal, petroleum, natural gas.||These sources of energy are abundant in nature, e.g. solar energy, wind energy, tidal energy, biogas from biomass etc.|
|They have been in use for a long time.||They are yet in development phase over the past few years.|
|They are not replenished continuously. They are formed over a million years.||They are replenished continuously by natural processes.|
|They are called non-renewable sources of energy.||They are called renewable sources of energy.|
|They can be exhausted completely due to over-consumption except for hydel power.||They cannot be exhausted completely.|
|They pollute the environment by emitting harmful gases and also co/+*tribute to global warming.||They are environment-friendly, do not pollute the environment.|
|They are used extensively, at a higher rate than the non-conventional sources.||They are not used as extensively as conventional sources.|
|Heavy expenditure is involved in using and maintaining these sources of energy.||Using these sources is less expensive.|
|They are commonly used for industrial and commercial purposes.||They are used commonly used for household purposes.|
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