Biomass is a versatile source of energy that can be used for production of power, heat, biomaterials, and transport fuels. Biomass is organic since it is made of materials that comes from living organisms such as animals and plants. Biomass produces energy that is created by the combustion or biochemical conversion of any organic matter to be used in various ways. The most common biomass materials used for energy are plants, waste and wood. However, this article will exclusively explore on various processes for converting biomass into energy.