ISO 50001:2011 identifies the requirements for establishing, implementing, maintaining and improving an energy management system, whose aim is to enable an organization to follow a systematic approach in achieving energy performance, including energy efficiency, energy use, and consumption on a continuous basis. The primary aim of the standard is to help organizations reduce their energy use such that the energy costs and their greenhouse gas emissions is reduced on a continuous basis
ISO 50001:2011 is applicable to any organization wishing to ensure that it conforms to its stated energy policy and wishing to demonstrate this to others, such conformity being confirmed either by means of self-evaluation and self-declaration of conformity, or by certification of the energy management system by an external organization.