Answer the following questions in about 30 words.

What are non-conventional sources of energy?

Non-Conventional sources of energy, as the name suggests, are sources of energy different from the earlier energy sources, in the sense that these are more equitably distributed, sustainable, eco-friendly cheaper energy after the initial cost is taken care of.

Eg: Nuclear energy, Solar energy, Wind energy, Geothermal energy, energy from biomass, etc.