Information technology - Data centre facilities and infrastructures - Part 4-8: Carbon usage effectiveness

This document specifies the Carbon Usage Effectiveness as a KPI to quantify the CO2 emissions of a data centre during the use phase of the data centre life cycle. This document a) defines the Carbon Usage Effectiveness (CUE) of a data centre, b) introduces CUE measurement categories, c) describes the relationship of this KPI to a data centre’s infrastructure, information technology equipment and information technology operations, d) defines the measurement, the calculation and the reporting of the parameter, e) provides information on the correct interpretation of the CUE.

Informationstechnik - Einrichtungen und Infrastrukturen von Rechenzentren - Teil 4-8: Effektivität der Vermeidung von CO2-Emissionen

Technologie de l’information - Installation et infrastructures de centres de traitement de données - Partie 4-8: Efficacité de l’utilisation du carbone

Le présent document spécifie l’efficacité de l’utilisation du carbone comme un KPI permettant de quantifier les émissions de CO2 d’un centre de traitement de données pendant la phase d’utilisation du cycle de vie du centre de traitement de données. Le présent document: a) définit l’efficacité de l’utilisation du carbone d’un centre de traitement de données; b) introduit les catégories de mesure de la CUE; c) décrit la relation de ce KPI avec une infrastructure de centre de traitement de données, des équipements de traitement de l’information et des opérations de traitement de l’information; d) définit le mesurage, le calcul et les rapports du paramètre; e) fournit des informations sur l’interprétation correcte de la CUE.

Informacijska tehnologija - Naprave in infrastruktura podatkovnega centra - 4-8. del: Učinkovitost porabe ogljika

Ta dokument določa učinkovitost porabe ogljika (CUE) kot KPI za opredelitev emisij CO2 podatkovnega centra med fazo uporabe življenjskega cikla podatkovnega centra. S poročanjem o emisijah CO2 je mogoče predstaviti prispevek podatkovnih centrov k podnebnim spremembam (okrepljen učinek tople grede).

General Information

Status
Published
Publication Date
22-Dec-2022
Current Stage
6060 - Document made available - Publishing
Start Date
23-Dec-2022
Due Date
08-Aug-2022
Completion Date
23-Dec-2022

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SLOVENSKI STANDARD
01-marec-2023
Informacijska tehnologija - Naprave in infrastruktura podatkovnega centra - 4-8.
del: Učinkovitost porabe ogljika
Information technology - Data centre facilities and infrastructures - Part 4-8: Carbon
usage effectiveness
Informationstechnik - Einrichtungen und Infrastrukturen von Rechenzentren - Teil 4-8:
Effektivität der Vermeidung von CO2-Emissionen
Technologie de l’information - Installation et infrastructures de centres de traitement de
données - Partie 4-8: Efficacité de l’utilisation du carbone
Ta slovenski standard je istoveten z: EN 50600-4-8:2022
ICS:
13.020.99 Drugi standardi v zvezi z Other standards related to
varstvom okolja environmental protection
35.110 Omreževanje Networking
35.160 Mikroprocesorski sistemi Microprocessor systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50600-4-8

NORME EUROPÉENNE
EUROPÄISCHE NORM December 2022
ICS 35.020; 35.110; 35.160
English Version
Information technology - Data centre facilities and infrastructures
- Part 4-8: Carbon usage effectiveness
Technologie de l'information - Installation et infrastructures Informationstechnik - Einrichtungen und Infrastrukturen von
de centres de traitement de données - Partie 4-8: Efficacité Rechenzentren - Teil 4-8: Effektivität der Vermeidung von
de l'utilisation du carbone CO2-Emissionen
This European Standard was approved by CENELEC on 2022-12-12. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50600-4-8:2022 E
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 8
2 Normative references . 8
3 Terms, definitions, abbreviations and symbols . 8
3.1 Terms and definitions . 8
3.2 Abbreviations . 9
3.3 Symbols . 10
4 Applicable area of the data centre . 10
5 Determination of Carbon Usage Effectiveness . 11
6 Measurement of Carbon Usage Effectiveness . 11
6.1 General . 11
6.2 Calculation and measurement method of CO . 11
6.2.1 Calculation and measurement period and frequency . 11
6.2.2 Categories of Carbon Usage Effectiveness . 11
7 Application of Carbon Usage Effectiveness . 13
8 Reporting of Carbon Usage Effectiveness . 13
8.1 Requirements . 13
8.1.1 Standard construct for communicating CUE data . 13
8.1.2 Data for public reporting of CUE . 13
8.2 Recommendations . 14
8.2.1 Trend tracking data . 14
8.3 Example of reporting CUE values . 15
8.4 CUE derivatives . 15
8.4.1 Purpose of CUE derivatives . 15
8.4.2 Using CUE derivatives . 15
8.4.3 Interim CUE. 16
8.4.4 Partial CUE . 16
8.4.5 Design CUE . 16
Annex A (informative) Examples of use . 17
A.1 Correct use of CUE . 17
A.2 Carbon Usage Effectiveness category 1 . 17
A.3 Carbon Usage Effectiveness category 2 . 18
A.4 Carbon Usage Effectiveness category 3 . 18
A.5 Interim Carbon Usage Effectiveness category 2 . 18
Annex B (informative) Energy conversion factors . 20
Annex C (normative) Carbon Dioxide Emission Factor . 21
C.1 Determination of carbon dioxide emission factors . 21
C.2 Examples for carbon dioxide emission factors . 21
Bibliography . 24
List of Figures
Figure 1 — Schematic relationship between the EN 50600 series of documents . 6
List of Tables
Table 1 — CUE Categories . 12
Table B.1 — Energy measurement methods at the data centre boundary . 20
Table C.1 — EFC examples by energy source . 21
Table C.2 — EFC examples for electricity from the grid by countries . 22
Table C.3 — EFC examples for refrigerants . 23
Table C.4 — Examples of GWP of GHG . 23

European foreword
This document (EN 50600-4-8:2022) has been prepared by CLC/TC 215 “Electrotechnical aspects of
telecommunication equipment”. It is based on the text of ISO/IEC 30134-8:2022 “Information technology - Data
centres key performance indicators - Part 8: Carbon usage effectiveness (CUE)”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2023-12-12
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2025-12-12
conflicting with this document have to be
withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.
CENELEC shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a Standardizaton Request given to CENELEC by the European
Commission and the European Free Trade Association.
Any feedback and questions on this document should be directed to the users’ national committee. A complete
listing of these bodies can be found on the CENELEC website.

Introduction
The unrestricted access to internet-based information demanded by the information society has led to an
exponential growth of both internet traffic and the volume of stored/retrieved data. Data centres are housing and
supporting the information technology and network telecommunications equipment for data processing, data storage
and data transport. They are required both by network operators (delivering those services to customer premises)
and by enterprises within those customer premises.
Data centres usually provide modular, scalable and flexible facilities and infrastructures to easily accommodate the
rapidly changing requirements of the market. In addition, energy consumption of data centres has become critical
both from an environmental point of view (reduction of environmental footprint) and with respect to economical
considerations (cost of energy) for the data centre operator.
The implementation of data centres varies in terms of:
a) purpose (enterprise, co-location, co-hosting or network operator facilities);
b) security level;
c) physical size;
d) accommodation (mobile, temporary and permanent constructions).
The needs of data centres also vary in terms of availability of service, the provision of security and the objectives for
energy efficiency. These needs and objectives influence the design of data centres in terms of building construction,
power distribution, environmental control, telecommunications cabling and physical security as well as the operation
of the data centre. Effective management and operational information is important in order to monitor achievement of
the defined needs and objectives.
Recognizing the substantial resource consumption, particularly of energy, of larger data centres, it is also important
to provide tools for the assessment of that consumption both in terms of overall value and of source mix and to
provide Key Performance Indicators (KPIs) to evaluate trends and drive performance improvements.
At the time of publication of this document, the EN 50600 series is designed as a framework of standards, technical
specifications and technical reports covering the design, the operation and management, the key performance
indicators for energy efficient operation of the data centre as well as a data centre maturity model.
The EN 50600-2 series defines the requirements for the data centre design.
The EN 50600-3 series defines the requirements for the operation and the management of the data centre.
The EN 50600-4 series defines the key performance indicators for the data centre.
The CLC/TS 50600-5 series defines the data centre maturity model requirements and recommendations.
The CLC/TR 50600-99-X Technical Reports cover recommended practices and guidance for specific topics around
data centre operation and design.
This series of documents specifies requirements and recommendations to support the various parties involved in the
design, planning, procurement, integration, installation, operation and maintenance of facilities and infrastructures
within data centres. These parties include:
1) owners, operators, facility managers, ICT managers, project managers, main contractors;
2) consulting engineers, architects, building designers and builders, system and installation designers, auditors,
test and commissioning agents;
3) facility and infrastructure integrators, suppliers of equipment;
4) installers, maintainers.
At the time of publication of this document, the EN 50600-4 series comprises the following documents:
EN 50600-4-1, Information technology — Data centre facilities and infrastructures — Part 4-1: Overview of and
general requirements for key performance indicators;
EN 50600-4-2, Information technology — Data centre facilities and infrastructures — Part 4-2: Power Usage
Effectiveness;
EN 50600-4
...

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