Question

Answer the following question in about 30 words.

What are non-conventional sources of energy?

Answer 1

Non-conventional energy sources are those that have recently been put to commercial use. They are generally renewable and non-polluting energy sources. They have a high initial installation cost, but their long-term operating costs are low, and they are also environmentally friendly. Eg, Solar energy, wind energy, tidal and wave energy, geothermal energy, and bioenergy.