本文件规定了建立、实施、维护和改进能源管理系统（EnMS）的要求。预期结果是使组织能够遵循系统方法，实现能源绩效和环境管理体系的持续改进。 本文件: a） 适用于任何组织，无论其类型、规模、复杂性、地理位置、组织文化或其提供的产品和服务； b） 适用于组织管理和控制的影响能源绩效的活动； c） 适用于任何数量、用途或能源消耗类型； d） 要求展示持续的能源绩效改进，但未定义要实现的能源绩效改进水平； e） 可独立使用，或与其他管理系统协调或集成。 附录A提供了本文件的使用指南。附录B提供了本版本与前一版本的比较。

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.