SIST ES 203 199 V1.4.1:2025
(Main)Environmental Engineering (EE) - Methodology for environmental Life Cycle Assessment (LCA) of Information and Communication Technology (ICT) goods, networks and services
Environmental Engineering (EE) - Methodology for environmental Life Cycle Assessment (LCA) of Information and Communication Technology (ICT) goods, networks and services
The present document aims to provide a methodology for evaluating the environmental impact of ICTs objectively and
transparently and is based upon the Life Cycle Assessment (LCA) methodology standardized in ISO 14040 [1] and
ISO 14044 [2].
The present document can be read by anyone aiming for a better understanding of the specific conditions and
requirements applicable to the LCA of ICT goods, networks and services. However, the present document is especially
intended for LCA practitioners with a prior knowledge of LCA standards, i.e. ISO 14040 [1] and ISO 14044 [2].
The purpose of the present document is to:
• provide ICT-specific requirements, in addition to those of ISO 14040 [1] and ISO 14044 [2], to ensure a
sufficient quality of LCA studies of ICT goods, networks and services; increase the quality of the LCA by
adding ICT specific requirements to those of ISO 14040 [1] and ISO 14044 [2];
• harmonize the LCAs of ICT goods, Networks and Services;
• increase the credibility of LCAs of ICT goods, networks and services;
• increase the transparency and facilitate the interpretation of LCA studies of ICT goods, networks and services;
• facilitate the communication of LCA studies of ICT goods, networks and services; and
• provide a methodology for telecommunication operators and service providers to assess the environmental
load of one or more Services carried by their ICT Networks.
While recognizing ISO 14040 [1] and ISO 14044 [2], including Annex A of ISO 14040 [1] "Application of LCA", as
normative references, the present document will give generic and specific requirements for the LCA of ICT goods,
networks and services. The present document is valid for all types of ICT goods including end-user goods and also for
ICT networks and services. The present document also gives guidance to the assessment of software. LCA practitioners
are encouraged to also consider other environmental aspects in accordance with ISO 14040 [1] and ISO 14044 [2].
The present document defines a set of requirements which reflect the quality that LCA practitioners should strive for. At
this stage some of the requirements put forward here are considered as challenging due to LCA tool limitations, a lack
of data, limitations in data granularity, etc. It is thus recognized that compliance to all requirements in the present
document may not be possible at the time the present document is published. However, to foster results of LCAs
becoming more transparent and, for the quality of data and LCA tools to improve over time, the present document
defines the requirements outlined in the following pages. The present document requires that deviation(s) from the
requirements are clearly motivated and reported. For further details regarding compliance refer to clause 5.2.
Comparisons of results from environmental assessments of ICT goods, networks and services, assessments which have
been performed by different organizations are beyond the scope of the present document, as such comparisons would
require that the assumptions and context of each study are exactly equivalent.
Okoljski inženiring (EE) - Metodologija za okoljsko oceno življenjskega cikla (LCA) blaga, omrežij in storitev informacijske in komunikacijske tehnologije (IKT)
General Information
Standards Content (Sample)
Final draft ETSI ES 203 199 V1.4.0 (2024-07)
ETSI STANDARD
Environmental Engineering (EE);
Methodology for environmental Life Cycle Assessment (LCA)
of Information and Communication Technology (ICT)
goods, networks and services
2 Final draft ETSI ES 203 199 V1.4.0 (2024-07)
Reference
RES/EE-EEPS57
Keywords
LCA
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
Important notice
The present document can be downloaded from:
https://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
and/or governmental rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2024.
All rights reserved.
ETSI
3 Final draft ETSI ES 203 199 V1.4.0 (2024-07)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 7
1 Scope . 11
2 References . 12
2.1 Normative references . 12
2.2 Informative references . 12
3 Definition of terms, symbols and abbreviations . 14
3.1 Terms . 14
3.2 Symbols . 20
3.3 Abbreviations . 20
4 Void . 23
Part I: ICT life cycle assessment - framework and guidance . 23
5 General description. 23
5.1 General description of an LCA . 23
5.2 Compliance to the present document. 24
5.3 Comparisons of results . 24
5.4 Relationship between methodologies of LCAs for ICT goods, networks and services . 25
6 Methodological framework . 25
6.1 General requirements . 25
6.1.1 Life cycle stages . 25
6.1.2 ICT goods with multiple life cycles . 27
6.1.3 The goods, networks and services Product System . 27
6.1.3.0 Introduction . 27
6.1.3.1 ICT goods . 27
6.1.3.2 ICT networks. 27
6.1.3.3 ICT services . 28
6.1.4 Handling of software . 28
6.1.4.1 General . 28
6.1.4.2 Assessment of software . 28
6.1.5 Operating lifetime . 29
6.2 Goal and scope definition . 29
6.2.1 Goal and scope of the study . 29
6.2.2 Functional unit . 30
6.2.2.1 General . 30
6.2.2.2 ICT goods . 31
6.2.2.3 ICT networks. 32
6.2.2.4 ICT services . 33
6.2.3 System boundaries . 33
6.2.3.1 General . 33
6.2.3.2 The use of unit processes . 36
6.2.3.3 ICT goods . 36
6.2.3.3.1 General . 36
6.2.3.3.2 Goods Raw materials acquisition . 37
6.2.3.3.3 Production . 37
6.2.3.3.4 Use . 39
6.2.3.3.5 End-of-life treatment (EoLT) . 40
6.2.3.3.6 ICT goods and processes for extended operating lifetime . 41
6.2.3.4 ICT Networks . 42
6.2.3.5 ICT Services . 42
6.2.3.5.1 General . 42
ETSI
4 Final draft ETSI ES 203 199 V1.4.0 (2024-07)
6.2.3.5.2 Eight items to consider . 43
6.2.4 Cut-off rules . 45
6.2.5 Data quality requirements . 45
6.2.5.1 General . 45
6.2.5.2 Specific requirements on data and data sources . 46
6.3 Life Cycle Inventory (LCI) . 48
6.3.1 Data collection . 48
6.3.1.1 General . 48
6.3.1.2 ICT goods . 49
6.3.1.2.0 Introduction . 49
6.3.1.2.1 Use stage energy consumption of ICT goods . 49
6.3.1.2.2 ICT goods data for other life cycle stages . 50
6.3.1.2.3 Consideration of Energy mixes . 50
6.3.1.2.4 Handling of LCI results for electricity and energy . 50
6.3.1.3 ICT networks. 51
6.3.1.4 ICT services . 51
6.3.2 Data calculation . 51
6.3.2.1 General .
...
Final draft ETSI ES 203 199 V1.4.1 (2024-11)
ETSI STANDARD
Environmental Engineering (EE);
Methodology for environmental Life Cycle Assessment (LCA)
of Information and Communication Technology (ICT)
goods, networks and services
2 Final draft ETSI ES 203 199 V1.4.1 (2024-11)
Reference
RES/EE-EEPS57
Keywords
LCA
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
and/or governmental rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2024.
All rights reserved.
ETSI
3 Final draft ETSI ES 203 199 V1.4.1 (2024-11)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 7
1 Scope . 11
2 References . 12
2.1 Normative references . 12
2.2 Informative references . 12
3 Definition of terms, symbols and abbreviations . 14
3.1 Terms . 14
3.2 Symbols . 20
3.3 Abbreviations . 20
4 Void . 22
Part I: ICT life cycle assessment - framework and guidance . 23
5 General description. 23
5.1 General description of an LCA . 23
5.2 Compliance to the present document. 24
5.3 Comparisons of results . 24
5.4 Relationship between methodologies of LCAs for ICT goods, networks and services . 25
6 Methodological framework . 25
6.1 General requirements . 25
6.1.1 Life cycle stages . 25
6.1.2 ICT goods with multiple life cycles . 27
6.1.3 The goods, networks and services Product System . 27
6.1.3.0 Introduction . 27
6.1.3.1 ICT goods . 27
6.1.3.2 ICT networks. 27
6.1.3.3 ICT services . 28
6.1.4 Handling of software . 28
6.1.4.1 General . 28
6.1.4.2 Assessment of software . 28
6.1.5 Operating lifetime . 29
6.2 Goal and scope definition . 29
6.2.1 Goal and scope of the study . 29
6.2.2 Functional unit . 30
6.2.2.1 General . 30
6.2.2.2 ICT goods . 31
6.2.2.3 ICT networks. 32
6.2.2.4 ICT services . 33
6.2.3 System boundaries . 33
6.2.3.1 General . 33
6.2.3.2 The use of unit processes . 36
6.2.3.3 ICT goods . 36
6.2.3.3.1 General . 36
6.2.3.3.2 Goods Raw materials acquisition . 37
6.2.3.3.3 Production . 37
6.2.3.3.4 Use . 39
6.2.3.3.5 End-of-life treatment (EoLT) . 40
6.2.3.3.6 ICT goods and processes for extended operating lifetime . 41
6.2.3.4 ICT Networks . 42
6.2.3.5 ICT Services . 42
6.2.3.5.1 General . 42
ETSI
4 Final draft ETSI ES 203 199 V1.4.1 (2024-11)
6.2.3.5.2 Eight items to consider . 43
6.2.4 Cut-off rules . 45
6.2.5 Data quality requirements . 45
6.2.5.1 General . 45
6.2.5.2 Specific requirements on data and data sources . 46
6.3 Life Cycle Inventory (LCI) . 48
6.3.1 Data collection . 48
6.3.1.1 General . 48
6.3.1.2 ICT goods . 49
6.3.1.2.0 Introduction . 49
6.3.1.2.1 Use stage energy consumption of ICT goods . 49
6.3.1.2.2 ICT goods data for other life cycle stages . 50
6.3.1.2.3 Consideration of Energy mixes . 50
6.3.1.2.4 Handling of LCI results for electricity and energy . 50
6.3.1.3 ICT networks. 51
6.3.1.4 ICT services . 51
6.3.2 Data calculation . 51
6.3.2.1 General . 51
6.3.2.2 ICT goods .
...
ETSI ES 203 199 V1.4.1 (2025-01)
ETSI STANDARD
Environmental Engineering (EE);
Methodology for environmental Life Cycle Assessment (LCA)
of Information and Communication Technology (ICT)
goods, networks and services
2 ETSI ES 203 199 V1.4.1 (2025-01)
Reference
RES/EE-EEPS57
Keywords
LCA
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
and/or governmental rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2025.
All rights reserved.
ETSI
3 ETSI ES 203 199 V1.4.1 (2025-01)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 7
1 Scope . 11
2 References . 12
2.1 Normative references . 12
2.2 Informative references . 12
3 Definition of terms, symbols and abbreviations . 14
3.1 Terms . 14
3.2 Symbols . 20
3.3 Abbreviations . 20
4 Void . 22
Part I: ICT life cycle assessment - framework and guidance . 23
5 General description. 23
5.1 General description of an LCA . 23
5.2 Compliance to the present document. 24
5.3 Comparisons of results . 24
5.4 Relationship between methodologies of LCAs for ICT goods, networks and services . 25
6 Methodological framework . 25
6.1 General requirements . 25
6.1.1 Life cycle stages . 25
6.1.2 ICT goods with multiple life cycles . 27
6.1.3 The goods, networks and services Product System . 27
6.1.3.0 Introduction . 27
6.1.3.1 ICT goods . 27
6.1.3.2 ICT networks. 27
6.1.3.3 ICT services . 28
6.1.4 Handling of software . 28
6.1.4.1 General . 28
6.1.4.2 Assessment of software . 28
6.1.5 Operating lifetime . 29
6.2 Goal and scope definition . 29
6.2.1 Goal and scope of the study . 29
6.2.2 Functional unit . 30
6.2.2.1 General . 30
6.2.2.2 ICT goods . 31
6.2.2.3 ICT networks. 32
6.2.2.4 ICT services . 33
6.2.3 System boundaries . 33
6.2.3.1 General . 33
6.2.3.2 The use of unit processes . 36
6.2.3.3 ICT goods . 36
6.2.3.3.1 General . 36
6.2.3.3.2 Goods Raw materials acquisition . 37
6.2.3.3.3 Production . 37
6.2.3.3.4 Use . 39
6.2.3.3.5 End-of-life treatment (EoLT) . 40
6.2.3.3.6 ICT goods and processes for extended operating lifetime . 41
6.2.3.4 ICT Networks . 42
6.2.3.5 ICT Services . 42
6.2.3.5.1 General . 42
ETSI
4 ETSI ES 203 199 V1.4.1 (2025-01)
6.2.3.5.2 Eight items to consider . 43
6.2.4 Cut-off rules . 45
6.2.5 Data quality requirements . 45
6.2.5.1 General . 45
6.2.5.2 Specific requirements on data and data sources . 46
6.3 Life Cycle Inventory (LCI) . 48
6.3.1 Data collection . 48
6.3.1.1 General . 48
6.3.1.2 ICT goods . 49
6.3.1.2.0 Introduction . 49
6.3.1.2.1 Use stage energy consumption of ICT goods . 49
6.3.1.2.2 ICT goods data for other life cycle stages . 50
6.3.1.2.3 Consideration of Energy mixes . 50
6.3.1.2.4 Handling of LCI results for electricity and energy . 50
6.3.1.3 ICT networks. 51
6.3.1.4 ICT services . 51
6.3.2 Data calculation . 51
6.3.2.1 General . 51
6.3.2.2 ICT goods .
...
SLOVENSKI STANDARD
01-april-2025
Okoljski inženiring (EE) - Metodologija za okoljsko oceno življenjskega cikla (LCA)
blaga, omrežij in storitev informacijske in komunikacijske tehnologije (IKT)
Environmental Engineering (EE) - Methodology for environmental Life Cycle Assessment
(LCA) of Information and Communication Technology (ICT) goods, networks and
services
Ta slovenski standard je istoveten z: ETSI ES 203 199 V1.4.1 (2025-01)
ICS:
13.020.60 Življenjski ciklusi izdelkov Product life-cycles
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
ETSI ES 203 199 V1.4.1 (2025-01)
ETSI STANDARD
Environmental Engineering (EE);
Methodology for environmental Life Cycle Assessment (LCA)
of Information and Communication Technology (ICT)
goods, networks and services
2 ETSI ES 203 199 V1.4.1 (2025-01)
Reference
RES/EE-EEPS57
Keywords
LCA
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
and/or governmental rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2025.
All rights reserved.
ETSI
3 ETSI ES 203 199 V1.4.1 (2025-01)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 7
1 Scope . 11
2 References . 12
2.1 Normative references . 12
2.2 Informative references . 12
3 Definition of terms, symbols and abbreviations . 14
3.1 Terms . 14
3.2 Symbols . 20
3.3 Abbreviations . 20
4 Void . 22
Part I: ICT life cycle assessment - framework and guidance . 23
5 General description. 23
5.1 General description of an LCA . 23
5.2 Compliance to the present document. 24
5.3 Comparisons of results . 24
5.4 Relationship between methodologies of LCAs for ICT goods, networks and services . 25
6 Methodological framework . 25
6.1 General requirements . 25
6.1.1 Life cycle stages . 25
6.1.2 ICT goods with multiple life cycles . 27
6.1.3 The goods, networks and services Product System . 27
6.1.3.0 Introduction . 27
6.1.3.1 ICT goods . 27
6.1.3.2 ICT networks. 27
6.1.3.3 ICT services . 28
6.1.4 Handling of software . 28
6.1.4.1 General . 28
6.1.4.2 Assessment of software . 28
6.1.5 Operating lifetime . 29
6.2 Goal and scope definition . 29
6.2.1 Goal and scope of the study . 29
6.2.2 Functional unit . 30
6.2.2.1 General . 30
6.2.2.2 ICT goods . 31
6.2.2.3 ICT networks. 32
6.2.2.4 ICT services . 33
6.2.3 System boundaries . 33
6.2.3.1 General . 33
6.2.3.2 The use of unit processes . 36
6.2.3.3 ICT goods . 36
6.2.3.3.1 General . 36
6.2.3.3.2 Goods Raw materials acquisition . 37
6.2.3.3.3 Production . 37
6.2.3.3.4 Use . 39
6.2.3.3.5 End-of-life treatment (EoLT) . 40
6.2.3.3.6 ICT goods and processes for extended operating lifetime . 41
6.2.3.4 ICT Networks . 42
6.2.3.5 ICT Services . 42
6.2.3.5.1 General . 42
ETSI
4 ETSI ES 203 199 V1.4.1 (2025-01)
6.2.3.5.2 Eight items to consider . 43
6.2.4 Cut-off rules . 45
6.2.5 Data quality requirements . 45
6.2.5.1 General . 45
6.2.5.2 Specific requirements on data and data sources . 46
6.3 Life Cycle Inventory (LCI) . 48
6.3.1 Data collection . 48
6.3.1.1 General . 48
6.3.1.2 ICT goods . 49
6.3.1.2.0 Introduction . 49
6.3.1.2.1 Use stage energy consumption of ICT goods . 49
6.3.1.2.2 ICT goods data for other life cycle stages . 50
6.3.1.2.3 Consideration of Energy mixes . 50
6.3.1.2.4 Hand
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