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.

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This International Standard specifies the process requirements for carrying out an energy audit in
relation to energy performance. It is applicable to all types of establishments and organizations, and all
forms of energy and energy use.
This International Standard specifies the principles of carrying out energy audits, requirements for the
common processes during energy audits, and deliverables for energy audits.
This International Standard does not address the requirements for selection and evaluation of
the competence of bodies providing energy audit services, and it does not cover the auditing of an
organization’s energy management system, as these are described in ISO 50003.
This International Standard also provides informative guidance on its use (see Annex A).

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This European Standard specifies requirements for Guarantees of Origin of Electricity from all energy sources. This standard will establish the relevant terminology and definitions, requirements for registration, issuing, transferring and cancellation in line with the RES, Energy Efficiency and IEM Directives. This standard will also cover measuring methods and auditing procedures.
These Guarantees of Origin may be traded and/or used for Disclosure/Labelling.
The content of this standard can, for example, be applied, after necessary modifications, to heating, cooling, and gas (including biogas). These modifications are not part of this standard.
This European Standard will not establish any sustainability criteria, this work is done elsewhere.
This standard is suitable for certification purposes.

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This International Standard specifies the requirements for an environmental management system
that an organization can use to enhance its environmental performance. This International Standard
is intended for use by an organization seeking to manage its environmental responsibilities in a
systematic manner that contributes to the environmental pillar of sustainability.
This International Standard helps an organization achieve the intended outcomes of its environmental
management system, which provide value for the environment, the organization itself and interested
parties. Consistent with the organization’s environmental policy, the intended outcomes of an
environmental management system include:
— enhancement of environmental performance;
— fulfilment of compliance obligations;
— achievement of environmental objectives.
This International Standard is applicable to any organization, regardless of size, type and nature,
and applies to the environmental aspects of its activities, products and services that the organization
determines it can either control or influence considering a life cycle perspective. This International
Standard does not state specific environmental performance criteria.
This International Standard can be used in whole or in part to systematically improve environmental
management. Claims of conformity to this International Standard, however, are not acceptable unless
all its requirements are incorporated into an organization’s environmental management system and
fulfilled without exclusion.

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