ISO 50001-2011, Energy management Certification Services in Delhi. The ISO 50001-2011 certification is one such standard certification that helps the organizations in ensuring best utilization of energy through establishment of an efficient energy management system that allows the organization to evaluate its energy efficiency at regular intervals and take necessary steps to reduce energy wastage. The ISO 50001-2011 certificate is granted to the companies that show commitment towards better energy efficiency by establishing the management system for energy efficiency.