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 the requirements on the competence of Energy Auditors, that is a combination of training, skills and experience.
This European standard can be used to define Energy Auditor qualification schemes at a national level; used by organizations undertaking energy audits to appoint a suitably competent Energy Auditor and used by organizations, in conjunction with EN 16247-1 to -4, to ensure a good level of quality of the energy audits.
This European Standard also recognizes that all the competence required can reside in an Energy Auditor or a team of Energy Auditors.

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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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EN 16247-3 specifies the requirements, methodology and deliverables of an energy audit within a process. These consist of: a) organizing and conducting an energy audit; b) analysing the data from the energy audit; c) reporting and documenting the energy audit findings. This part of the standard applies to sites where the energy use is due to process. It shall be used in conjunction with and is supplementary to EN 16247-1, Energy audits - Part 1: General requirements. It provides additional requirements to EN 16247-1 and shall be applied simultaneously. A process could include one or more production lines, offices, laboratories, research centers, packaging and warehouse sections with specific operational conditions and site transportation. An energy audit could include the whole site or part of a site. If buildings are included in the scope of the energy audit, the energy auditor may choose to apply EN 16247-2, Energy Audits - Part 2: Buildings. If on-site transport on a site is included in the scope of the energy audit, the energy auditor may choose to apply EN 16247-4, Energy audits - Part 4: Transport.

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EN 16247-4 shall be used in conjunction with and is supplementary to EN 16247-1, Energy audits - Part 1: General requirements. It provides additional requirements to EN 16247-1 and shall be applied simultaneously. The procedures described here apply to the different modes of transport (road, rail, marine and aviation), as well as the different ranges (local to long distance) and what is transported (basically, goods and people). This European Standard specifies the requirements, methodology and deliverables specific to energy audits in the transport sector, every situation in which a displacement is made, no matter who the operator is (a public or private company or whether the operator is exclusively dedicated to transport or not), is also addressed in this document. This European Standard advises on both the optimization of energy within each mode of transport, as well as selecting the best mode of transport in each situation; the conclusions drawn by the energy audit can influence decisions on infrastructure and investment e.g. in teleconferencing or web meetings. Energy audits of buildings and processes associated with transport can be conducted respectively with the EN 16247-2 Buildings and EN 16247-3 Processes e.g. pipelines, depots and escalators/travelators. This part of the standard does not include the infrastructure which supplies energy e.g. the electricity generation of energy for railways.

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EN 16247 is applicable to specific energy audit requirements in buildings. It specifies the requirements, methodology and deliverables of an energy audit in a building or group of buildings, excluding individual private dwellings. It shall be applied in conjunction with, and is supplementary to, EN 16247-1, Energy audits - Part 1: General requirements. It provides additional requirements to EN 16247-1 and shall be applied simultaneously. If processes are included in the scope of the energy audit, the energy auditor may choose to apply EN 16247-3, Energy audits - Part 3: Processes. If on-site transport on a site is included in the scope of the energy audit, the energy auditor may choose to apply EN 16247-4, Energy audits - Part 4: Transport.

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This European standard specifies the requirements, common methodology and deliverables for energy audits. It applies to all forms of establishments, energy and use of energy, excluding individual private dwellings. This part covers the general requirements common to all energy audits. Specific energy audit requirements will complete the general requirements in separate parts dedicated to energy audits for buildings, industrial processes and transportation.

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