This document gives guidance on how to establish, use and maintain energy performance indicators (EnPIs) and energy baselines (EnBs) to evaluate energy performance in any organization including those using ISO 50001. Additional guidance is given on how to measure and monitor energy performance and demonstrate energy performance improvement. This document is applicable to any organization, regardless of its type, size, complexity, geographical location, organizational culture, the products and services it provides or its level of maturity in the field of energy management.

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This document gives guidance based on ISO 50001:2018 to measure the status of energy management in an organization. The measurement results are described by using three scores: structure management score (SMS), operation management score (OMS) and target achievement score (TAS). This document presents methodologies on how the basic and advanced scores can be calculated. This document is applicable to organizations that are considering implementation, are implementing or have implemented an ISO 50001:2018 energy management system (EnMS) or any other system for energy management. It can be used to identify areas for improvement or to identify areas in which improvement has taken place. This document is applicable to any organization or association (e.g. national energy authorities, energy intensive industries implementing advanced energy management to small and medium enterprises) regardless of its type, size or complexity, etc. This document does not apply to countries, regions or cities. This document does not provide an interpretation of or modify the requirements of ISO 50001:2018.

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This document gives guidance on the use of an energy management system (EnMS) in accordance with ISO 50001:2018 to achieve net zero energy (NZE), and supports the achievement of net zero carbon (NZC) and other sustainability goals. It describes how to establish an enhanced EnMS designed to achieve: a) improvement of operational and maintenance practices based on NZE principles; b) integration of renewable energy into operations and maintenance; c) planning for facilities, systems, equipment or processes to implement NZE and NZC. This document does not apply to technologies, design or construction. The technical specification of passive, active or renewable energy for NZE or NZC is also not included because of different regional conditions by countries.

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IEC 62991:2022 applies to source switching equipment, hereafter referred to as SSE, for household and similar uses, primarily intended to be used for energy efficiency (EE) purposes with local production and/or storage of energy.
SSE is intended to be installed in low voltage prosumer electrical installations (PEI) to deliver the electrical energy:
either to current-using equipment (direct feeding mode or island mode);
or to the grid (reverse feeding mode).

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Scope of the new standard(s) is to define the minimum requirements of an Energy Performance Contract between the beneficiary and
the provider of an energy efficiency measure that delivers a contractually agreed level of energy efficiency improvement and other
agreed energy performance criterion and meet the requirements of:
- cost effectiveness in relation to the benefits generated by the energy efficiency measure (appropriateness of the EPC);
- risk mitigation and risk allocation toolkit;
- Eurostat and IASB requirements for statistical treatment and financial accounting;
- due diligence and underwriting procedures of financial institutions and assets evaluators.

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This document gives guidance for organizations on establishing a phased approach to implement an energy management system (EnMS). This phased approach is intended to support and simplify the implementation of an EnMS for all types of organizations, in particular for small and medium-sized organizations (SMOs).
This document gives guidance on the use of twelve core elements with four levels of maturity for each element to establish, implement, maintain and improve an EnMS that results in energy performance improvement.
It enables the user of this document to implement a phased approach to achieve a level of energy management appropriate to its objectives and to build a strong foundation which can subsequently be extended towards meeting the requirements of ISO 50001:2018. This document is consistent with ISO 50001:2018 but does not cover all of its requirements.

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Scope of the new standard(s) is to define the minimum requirements of an Energy Performance Contract between the beneficiary and
the provider of an energy efficiency measure that delivers a contractually agreed level of energy efficiency improvement and other
agreed energy performance criterion and meet the requirements of:
- cost effectiveness in relation to the benefits generated by the energy efficiency measure (appropriateness of the EPC);
- risk mitigation and risk allocation toolkit;
- Eurostat and IASB requirements for statistical treatment and financial accounting;
- due diligence and underwriting procedures of financial institutions and assets evaluators.

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IEC 62962:2019 The purpose of this document is to provide requirements for equipment to be used in energy efficiency systems. This document covers load-shedding equipment (LSE). Guidelines relating to safety for LSE as given in IEC Guide 110 have been followed. This document applies to load-shedding equipment for household and similar uses. The load-shedding function is used in energy management systems to optimize the overall use of electrical energy including production and storage. Load-shedding can be used for example for energy efficiency purposes as per IEC 60364-8-1:2019.

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The present document version covers base stations with the following radio access technologies:
• GSM.
• WCDMA.
• LTE.
• NR.
The methodology described in the present document is to measure base station static power consumption and RF output
power. Within the present document it is referred to as static measurements.
The results based on "static" measurements provide power and energy consumption figures for BS under static load.
Energy consumption of terminal (end-user) equipment is outside the scope of the present document.
The scope of the present document is not to define target values for the BS power and energy consumption.
The results should only be used to assess and compare the power and energy consumption of complete base stations.
Wide Area Base Stations and Medium Range Base Stations (as defined in ETSI TS 125 104 [2], ETSI TS 136 104 [12],
and ETSI TS 138 104 [15]) are covered in the present document.

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This document 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 is 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 is applied simultaneously.
A process could include one or more production lines, offices, laboratories, research centres, 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.
NOTE The decision to apply Parts 2 and 4 could be made during the preliminary contact, see 5.1.

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This document is 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 is 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 (i.e. goods and people).
This document 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 document 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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This document specifies the requirements, common methodology and deliverables for energy audits. It applies to all forms of establishments and organizations, all forms of energy and uses of energy. This document covers the general requirements common to all energy audits. Specific energy audit requirements complete the general requirements in separate parts dedicated to energy audits for buildings, industrial processes and transport.

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This document 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, It is 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 is applied simultaneously.
If processes are included in the scope of the energy audit, the energy auditor can 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 can choose to apply EN 16247-4, Energy audits — Part 4: Transport.

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This document 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 or parts of sites where a significant part of the energy use is due to processes. It is 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 is applied simultaneously.
A process can include one or more production lines or services, offices, laboratories, research centres, packaging and warehouse sections with specific operational conditions and site transportation. An energy audit can include the whole site or part of a site.
If buildings are included in the scope of the energy audit, the energy auditor can 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 can choose to apply EN 16247-4, Energy audits - Part 4: Transport.
NOTE   The decision to apply Parts 2 and/or 4 is expected to be made during the preliminary contact, see 5.1.

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This document specifies the requirements, common methodology and deliverables for energy audits. It is applicable to all forms of establishments and organizations, all forms of energy and energy uses.
This document covers the general requirements common to all energy audits. Specific energy audit requirements complete the general requirements in separate parts dedicated to energy audits for buildings, industrial processes and transport.

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This document is 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 is 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 (i.e. goods and people).
This document 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 document 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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This document 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. It is 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 is applied simultaneously.
If processes are included in the scope of the energy audit, the energy auditor can 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 can choose to apply EN 16247 4, Energy audits - Part 4: Transport.

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IEC 60050-904:2015 gives the general terminology used in the field of environmental standardization for electrical and electronic products and systems. It has the status of a horizontal standard in accordance with IEC Guide 108. This terminology is consistent with the terminology developed in the other specialized parts of the IEV.

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Describes the procedure for determining the error introduced in the testing of a photovoltaic device caused by the interaction of the mismatch between the spectral responses of the test specimen and the reference device, and the mismatch between the test spectrum and the reference spectrum.

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IEC 60364-8-1:2019(E) provides additional requirements, measures and recommendations for the design, erection and verification of all types of low-voltage electrical installation including local production and storage of energy for optimizing the overall efficient use of electricity. It introduces requirements and recommendations for the design of an electrical installation within the framework of an energy efficiency management approach in order to get the best permanent functionally equivalent service for the lowest electrical energy consumption and the most acceptable energy availability and economic balance. These requirements and recommendations apply, within the scope of the IEC 60364 series, for new installations and modification of existing installations. This standard is applicable to the electrical installation of a building or system and does not apply to products. The energy efficiency of these products and their operational requirements are covered by the relevant product standards. This standard does not specifically address building automation systems. This edition includes the following significant technical changes with respect to the previous edition: a) revision of Annex B; b) revision of 4.2: Energy efficiency assessment for electrical installations; c) update of 8.3: Input from loads, sensors and forecasts; d) introduction of new definitions. This group energy efficiency publication is primarily intended to be used as an energy efficiency standard for the low voltage electrical installations mentioned in Clause 1, but is also intended to be used by technical committees in the preparation of standards, in accordance with the principles laid down in IEC Guide 119 and IEC Guide 118. The contents of the corrigendum of May 2019 have been included in this copy.

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This document gives guidance for organizations on establishing a phased approach to implement an energy management system (EnMS). This phased approach is intended to support and simplify the implementation of an EnMS for all types of organizations, in particular for small and medium-sized organizations (SMOs).
This document gives guidance on the use of twelve core elements with four levels of maturity for each element to establish, implement, maintain and improve an EnMS that results in energy performance improvement.
It enables the user of this document to implement a phased approach to achieve a level of energy management appropriate to its objectives and to build a strong foundation which can subsequently be extended towards meeting the requirements of ISO 50001:2018. This document is consistent with ISO 50001:2018 but does not cover all of its requirements.

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This document specifies requirements for a valuation of energy related investments (VALERI). It provides a description on how to gather, calculate, evaluate and document information in order to create solid business cases based on Net Present Value calculations for ERIs. The standard is applicable for the valuation of any kind of energy related investment.
The document focusses mainly on the valuation and documentation of the economic impacts of ERIs. However, non-economic effects (e.g. noise reduction) that can occur through undertaking an investment are also considered. Thus, qualitative effects (e.g. impact on the environment) - even if they are non-monetisable - are taken into consideration.

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IEC 62872-2:2022 presents an IoT application framework for industrial facility demand response energy management (FDREM) for the smart grid, enabling efficient information exchange between industrial facilities using IoT related communication technologies. This document specifies: - an overview of the price-based demand response program that serves as basic knowledge backbone of the IoT application framework; - a IoT-based energy management framework which describes involved functional components, as well as their relationships; - detailed information exchange flows that are indispensable between functional components; - existing IoT protocols that need to be identified for each protocol layer to support this kind of information exchange; - communication requirements that guarantee reliable data exchange services for the application framework.

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IEC 62872-2:2022 presents an IoT application framework for industrial facility demand response energy management (FDREM) for the smart grid, enabling efficient information exchange between industrial facilities using IoT related communication technologies. This document specifies:
- an overview of the price-based demand response program that serves as basic knowledge backbone of the IoT application framework;
- a IoT-based energy management framework which describes involved functional components, as well as their relationships;
- detailed information exchange flows that are indispensable between functional components;
- existing IoT protocols that need to be identified for each protocol layer to support this kind of information exchange;
- communication requirements that guarantee reliable data exchange services for the application framework.

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This document applies to all power transformers in scope of TC 14.
This document provides rules for assessment of energy performance for manufacturers, suppliers and importers that for each transformer deliver the certificate and technical documentation mentioning the value measured as described in the Regulation.

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This Technical Report provides recommended practices to implement and assess environmental sustainability in data
centres, e.g. by means of Life Cycle Assessment (LCA).

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This document specifies methods and procedures for testing, calculating and determining the Energy Efficiency Index (EEI) of rotodynamic glanded single pump units for pumping clean water, including where integrated in other products.
The pump types and sizes covered by this document are described in the normative Annex A.

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This document specifies requirements for a valuation of energy related investments (VALERI). It provides a description on how to gather, calculate, evaluate and document information in order to create solid business cases based on Net Present Value calculations for ERIs. The standard is applicable for the valuation of any kind of energy related investment.
The document focusses mainly on the valuation and documentation of the economical impacts of ERIs. However, non-economical effects (e.g. noise reduction) that may occur through undertaking an investment are considered as well. Thus, qualitative effects (e.g. impact on the environment)– even if they are non-monetisable – are taken into consideration.

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This Technical Report contains a set of recommended practices for improving the energy management (i.e. reduction of energy consumption and/or increases in energy efficiency) of data centres. It supports participants of the EU Code of Conduct for data centres to fulfil the scheme’s requirements

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This document gives guidance for organizations on establishing a phased approach to implement an energy management system (EnMS). This phased approach is intended to support and simplify the implementation of an EnMS for all types of organizations, in particular for small and medium-sized organizations (SMOs). This document gives guidance on the use of twelve core elements with four levels of maturity for each element to establish, implement, maintain and improve an EnMS that results in energy performance improvement. It enables the user of this document to implement a phased approach to achieve a level of energy management appropriate to its objectives and to build a strong foundation which can subsequently be extended towards meeting the requirements of ISO 50001:2018. This document is consistent with ISO 50001:2018 but does not cover all of its requirements.

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This standard specifies the methodology for evaluating the energy performance of lighting systems for providing general illumination in residential and non-residential buildings and for calculating or measuring the amount of energy required or used for lighting in buildings. The method may be applied to new, existing or refurbished buildings. It also provides a methodology (LENI) as the measure of the energy efficiency of the lighting installations in buildings.
This standard does not cover lighting requirements, the design of lighting systems, the planning of lighting installations, the characteristics of lighting equipment (lamps, control gear and luminaires) and systems used for display lighting, desk lighting or luminaires built into furniture. This standard does not provide any procedure for the dynamic simulation of lighting scene setting.
Table 1 shows the relative position of this standard within the set of EPB standards in the context of the modular structure as set out in EN ISO 52000-1.
NOTE   In CEN ISO/TR 52000-2 the same table can be found, with, for each module, the numbers of the relevant EPB standards and accompanying technical reports that are published or in preparation.
The modules represent EPB standards, although one EPB standard may cover more than one module and one module may be covered by more than one EPB standard, for instance a simplified and a detailed method respectively. See also Clause 2.
(...)

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The present document specifies methods of measurement of electrical power consumption in networked standby and the
reporting of the results for network interconnecting equipment.
Example of interconnecting equipment are in Annex B.
Power consumption in standby (other than networked standby) is covered by EN 50564 [1], including the input voltage
range.
The present document also provides a method to test power management and whether it is possible to deactivate
wireless network connection(s).
The present document applies to electrical products with a rated input voltage of 230 V a.c. for single phase products
and 400 V a.c. for three phase products.
The present document is produced under the mandate M/544 and can be used to demonstrate compliance to the EU
Regulation (EC) No 1275/2008 [i.1] amended by Regulation (EU) 801/2013 [i.2].
The present document does not apply to televisions as defined in Regulation (EC) No 642/2009 [i.10].
NOTE 1: The EU regulation 801/2013 [i.2] applies to equipment designed for use with a nominal voltage rating of
250 V and below.
NOTE 2: EU regulation 801/2013 [i.2] does not apply to electrical and electronic household and office equipment
placed on the market with a low voltage external power supply to work as intended.
NOTE 3: "Low voltage external power supply" is the definition provided in EU regulation 278/2009 [i.3].
NOTE 4: The measurement of energy consumption and performance of equipment during intended use are
generally specified in product standards and are not covered by the present document.
NOTE 5: Where the present document is referenced by more specific standards or procedures, these should define
and name the relevant conditions to which this test procedure is applied.
1.2 Equipment not in the scope of the present document
The present document does not apply to the measurement of electrical power consumption in networked standby for
edge equipment. The edge equipment is a networked equipment that can be connected to a network and interact with
that network or other devices and that does not have, as its primary function, the passing of network traffic to provide a
network. Edge equipment are covered in EN 50643 [i.8].

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This document specifies requirements for competence, consistency and impartiality in the auditing and certification of ISO 50001 energy management systems (EnMS) for bodies providing these services. In order to ensure the effectiveness of EnMS auditing, this document addresses the auditing process, the competence requirements for the personnel involved in the certification process for EnMS, the audit time and multi-site sampling.

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The present document is aimed at defining the topology and level of analysis to assess the energy efficiency of mobile
networks. Within the scope of the present document there is the radio access part of the mobile networks, and namely
there are radio base stations, backhauling systems, radio controllers and other infrastructure radio site equipment. The
covered technologies are GSM, UMTS, LTE and 5G New Radio (NR). In particular the present document defines
metrics for mobile network energy efficiency and methods for assessing (and measuring) energy efficiency in
operational networks. The purpose of the present document is to allow better comprehension of networks energy
efficiency, in particular considering the networks' evolution in different periods in time.
Aiming to consider also the slicing approach of the networks from 5G onwards the metrics are extended to the latency
of the network itself related to the energy consumed, additionally to the metrics based on traffic and on coverage,
already existing for legacy networks and still valid.
The present document deals with both a homogeneous and heterogeneous "network" considering a network whose size
and scale could be defined by topologic, geographic or demographic boundaries. For networks defined by topologic
boundaries, a possible example of a network covered by the present document consists of a control node (whenever
applicable), its supported access nodes as well as the related network elements. Networks could be defined by
geographic boundaries, such as city-wide, national or continental networks and could be defined by demographic
boundaries, such as urban or rural networks.
The present document applies to the so-called "partial" networks for which a measurement method is also
recommended. The specification extends the measurements in partial networks to wider so-called "total" networks
energy efficiency estimations (i.e. the network in a geographic area, the network in a whole country, the network of a
MNO, etc.).
Terminal (end-user) equipment is outside the scope of the present document and is not considered in the energy
efficiency measurement.

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The present document version covers base stations with the following radio access technologies:
• GSM.
• WCDMA.
• LTE.
• NR.
The methodology described in the present document is to measure base station static power consumption and RF output
power. Within the present document it is referred to as static measurements.
The results based on "static" measurements provide power and energy consumption figures for BS under static load.
Energy consumption of terminal (end-user) equipment is outside the scope of the present document.
The scope of the present document is not to define target values for the BS power and energy consumption.
The results should only be used to assess and compare the power and energy consumption of complete base stations.
Wide Area Base Stations and Medium Range Base Stations (as defined in ETSI TS 125 104 [2], ETSI TS 136 104 [12],
and ETSI TS 138 104 [15]) are covered in the present document.

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This document gives guidelines for establishing, implementing, maintaining and improving a common energy management system (EnMS) for multiple organizations. This document follows the general structure used in ISO 50001:2018.

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This document defines a methodology for determining and assessing the energy efficiency of Waste Water Treatment Plants (WWTP). The methodology aims at describing, in a systematic way, the various steps required to establish the Water Treatment Energy Index (WTEI) of a particular WWTP.
The methodology includes the classification of WWTPs in different types, identification of different stages of treatment, identification of key performance indicators (KPIs), overview of existing energy monitoring standards and the detailed description of the methodology, including a step by step guideline of how to apply and implement it.
The methodology is divided in 2 sub-methods that should be selected and followed according to the following goals:
-   The Rapid Audit (RA) method allows for a quick estimation of the water treatment energy index (WTEI) based on existing information such as historical data pertaining to energy use records along with influent and effluent quality values. The aim of this methodology is to provide a WWTP energy benchmark, a rapid tool to identify energy efficiencies and inefficiencies so further actions can be planned, as well as to evaluate the impact of WWTP retrofitting.
The Rapid Audit methodology is detailed step by step in Clause 3 of this TR and can be used as a standalone document.
-   The Decision Support (DS) method requires intensive monitoring across a WWTP of energy usage and water quality parameters that provides an accurate and detailed calculation of WTEI for each stage as well as its overall value for the plant. The goal of this assessment is to serve as a diagnosis of the functions/equipment in a plant that may lead to poor energy efficiency performance.
The Decision Support methodology is detailed step by step in Clause 4 of this TR and can be used as a standalone document.

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This document defines a methodology for determining and assessing the energy efficiency of Waste Water Treatment Plants (WWTP). The methodology aims at describing, in a systematic way, the various steps required to establish the Water Treatment Energy Index (WTEI) of a particular WWTP.
The methodology includes the classification of WWTPs in different types, identification of different stages of treatment, identification of key performance indicators (KPIs), overview of existing energy monitoring standards and the detailed description of the methodology, including a step by step guideline of how to apply and implement it.
The methodology is divided in 2 sub-methods that should be selected and followed according to the following goals:
- The Rapid Audit (RA) method allows for a quick estimation of the water treatment energy index (WTEI) based on existing information such as historical data pertaining to energy use records along with influent and effluent quality values. The aim of this methodology is to provide a WWTP energy benchmark, a rapid tool to identify energy efficiencies and inefficiencies so further actions can be planned, as well as to evaluate the impact of WWTP retrofitting.
The Rapid Audit methodology is detailed step by step in Clause 4 of this TR and can be used as a standalone document. The application of the Rapid Audit methodology to one real WWTP is shown in Annex A.
- The Decision Support (DS) method requires intensive monitoring across a WWTP of energy usage and water quality parameters that provides an accurate and detailed calculation of WTEI for each stage as well as its overall value for the plant. The goal of this assessment is to serve as a diagnosis of the functions/equipment in a plant that may lead to poor energy efficiency performance.
The Decision Support methodology is detailed step by step in Clause 5 of this TR and can be used as a standalone document. The application of the Decision Support methodology to one real WWTP is shown in Annex B.

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This document provides a methodology for determining the energy efficiency class of electrical
accessories, to enable the system designer to determine the most efficient components for an
electrical installation, also considering all functionalities.
NOTE Functionalities are for example: wireless communication, network connectivity, timer, energy monitoring.
This methodology is based on the energy consumption, taking into account the individual
functions of the accessory.
The energy efficiency class approach contributes to the overall reduction of the energy
consumption of an electrical installation.

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IEC 63252:2020 defines methods for the measurement of energy consumption of vending machines, whether or not fitted with refrigerating appliances. The standard applies (but is not limited) to the following categories of machines: - Refrigerated closed-fronted can and bottle machines where the products are held in stacks - Refrigerated glass-fronted can and bottle, confectionery and snack machines - Refrigerated glass-fronted machines entirely for perishable foodstuffs - Refrigerated dual-temperature glass-fronted machines - Confectionery and snack machines that are not refrigerated - Combination machines consisting of two different categories of machine in the same housing and powered by one chiller The following types of vending machine are excluded from this document: - drink machines dispensing hot and/or cold drinks into cups; - machines with a food-heating function; - vending machines operating at temperatures below 0 °C; or - any machine including one or more of these compartments. For verification purposes, it is essential to apply all of the tests specified to a single unit. The tests can also be made individually for the study of a particular characteristic. This document does not deal with any characteristics of machine design other than energy consumption.

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This EN specifies the so-called Energy Reuse Factor (ERF) as a KPI to quantify the reuse of the energy consumed in the data centre. The ERF does reflect the efficiency of the reuse process, however, the reuse process is not part of the data centre.

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TC and CCMC - Correction of heading in 5.2.3 and corrections in formula cross references in 6.3.4 and 6.3.5

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IEC 63252:2020 defines methods for the measurement of energy consumption of vending machines, whether or not fitted with refrigerating appliances.
The standard applies (but is not limited) to the following categories of machines:
- Refrigerated closed-fronted can and bottle machines where the products are held in stacks
- Refrigerated glass-fronted can and bottle, confectionery and snack machines
- Refrigerated glass-fronted machines entirely for perishable foodstuffs
- Refrigerated dual-temperature glass-fronted machines
- Confectionery and snack machines that are not refrigerated
- Combination machines consisting of two different categories of machine in the same housing and powered by one chiller
The following types of vending machine are excluded from this document:
- drink machines dispensing hot and/or cold drinks into cups;
- machines with a food-heating function;
- vending machines operating at temperatures below 0 °C; or
- any machine including one or more of these compartments.
For verification purposes, it is essential to apply all of the tests specified to a single unit. The tests can also be made individually for the study of a particular characteristic.
This document does not deal with any characteristics of machine design other than energy consumption.

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This document gives practical guidelines and examples for establishing, implementing, maintaining and improving an energy management system (EnMS) in accordance with the systematic approach of ISO 50001:2018. The guidance in this document is applicable to any organization. This document does not provide guidance on how to develop an integrated management system. While the guidance in this document is consistent with the requirements of ISO 50001:2018, it does not provide interpretations of those requirements.

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IEC 63172:2020 provides a methodology for determining the energy efficiency class of electrical accessories, to enable the system designer to determine the most efficient components for an electrical installation, also considering all functionalities. This methodology is based on the energy consumption, taking into account the individual functions of the accessory. The energy efficiency class approach contributes to the overall reduction of the energy consumption of an electrical installation.

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IEC 63172:2020 provides a methodology for determining the energy efficiency class of electrical accessories, to enable the system designer to determine the most efficient components for an electrical installation, also considering all functionalities.
This methodology is based on the energy consumption, taking into account the individual functions of the accessory.
The energy efficiency class approach contributes to the overall reduction of the energy consumption of an electrical installation.

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The present document defines the metrics and measurement methods for the energy efficiency of functional components
of NFV environment. The NFV functional components include Virtualised Network Functions (VNFs) and NFV
Infrastructure (NFVI) defined in NFV architecture framework as described in ETSI GS NFV 002 [i.1]. Management
and Orchestration (MANO) is not included as system under test, but will be eventually taken as test environment.
The measurement method described in the present document is intended to be used to assess and compare the energy
efficiency of same functional components independently in lab testing and pre-deployment testing. Energy efficiency of
co-located VNFs sharing same platform resources cannot be compared using the defined method in present document.
The scope of the document is not to define measurement method in operational NFV environment.
The present document is intended to define common energy efficiency measurement methods for NFV environments,
not try to cover all different types of VNFs (e.g. firewall, gateway, etc.), but it provides the basis to make extensible
definition.

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