Energy Audit assists industrial companies or facilities in understanding how they use energy and help identify the areas where wastes are formed and opportunities for improvement exist. It is the key to a systematic approach for decision-making in the area of energy management. It attempts to balance the total energy inputs with its use, and serves to identify all the energy streams in a facility. It quantifies energy usage according to its discrete functions. Industrial energy audit is an effective tool in defining and pursuing comprehensive energy management program. The typical steps of an energy audit are.