Bioenergen is a plant used for processing of biodegradable waste in an environment friendly manner to generate bio-gas. It is seen as the most favored option to deal with organic bio-degradable solid waste, since it enable the generation of a nutrient rich fertilizer and produces fuel in form of bio-gas. It offers an excellent alternative for decentralized processing of solid biogradable waste and avoids the contamination of land-fill sites. Thermax present s a cleaner technology promoting clean Development Mechanism. The units are standardize and are compact in size.