Bioenergy refers to the energy that is produced from biological sources, which are typically organic materials known as biomass. Biomass stores solar energy as chemical energy through the process of photosynthesis.
Biomass can include wood, agricultural crops, algae, animal waste, organic municipal waste, and it is a renewable energy source. This is because the materials used to produce bioenergy can be replenished through natural processes, such as plant growth, in a relatively short amount of time compared to the millions of years required to form fossil fuels.
It is the fourth biggest renewable power source after hydro, wind, and solar.There are several forms of bioenergy Biofuels, Biogas, Bioelectricity, and Bioheat.
The use of bioenergy has several advantages, such as reducing dependence on fossil fuels and contributing to waste management. However, it is important to manage bioenergy production sustainably to minimize negative impacts on land use, food supply, and biodiversity. When produced and used properly, bioenergy can be a significant part of a low-carbon energy future.
Biogas is a mixture of gases (mainly methane and carbon dioxide) produced by the anaerobic digestion (without oxygen) of organic matter by bacteria. This gas can be burned to produce heat or electricity, or it can be purified and used in the same way as natural gas.