State differencesbetween conventional and non conventional source of energy?

The conventional sources and the non-conventional sources of energy are distinguished on the following basis.


Conventional Energy

Non-Conventional Energy

Time frame

These sources of energy have been in use for a long time

These sources of energy have been used in the recent past.

Environmental impact

Generally, such sources of energy have adverse environmental impact

These sources of energy are environment friendly,


For example, coal, petroleum, natural gas and electricity.

For example, solar energy, wind energy, bio energy


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