Conventional energy sources include fossil fuels, CNG, coal, oil, and natural gas while Non-conventional energy resources include solar energy, wind energy, bioenergy, hydro energy, tidal energy, and ocean energy.
Conventional energy sources are not renewable through natural processes, whereas Renewable energy sources include non-conventional energy sources.
Conventional resources are scarce, but non-conventional energy sources are environmentally beneficial.
Conventional resources can also be categorized as commercial and noncommercial energy resources. Non-conventional energy sources, on the other hand, do not contribute to pollution.