ISO 50001:2018

This document specifies requirements for establishing, implementing, maintaining and improving an energy management system (EnMS). The intended outcome is to enable an organization to follow a systematic approach in achieving continual improvement of energy performance and the EnMS.
This document:
a)    is applicable to any organization regardless of its type, size, complexity, geographical location, organizational culture or the products and services it provides;
b)    is applicable to activities affecting energy performance that are managed and controlled by the organization;
c)    is applicable irrespective of the quantity, use, or types of energy consumed;
d)    requires demonstration of continual energy performance improvement, but does not define levels of energy performance improvement to be achieved;
e)    can be used independently, or be aligned or integrated with other management systems.
Annex A provides guidance for the use of this document. Annex B provides a comparison of this edition with the previous edition.