CEN/TR 15193-2:2017
(Main)Energy performance of buildings - Energy requirements for lighting - Part 2: Explanation and justification of EN 15193-1, Module M9
Energy performance of buildings - Energy requirements for lighting - Part 2: Explanation and justification of EN 15193-1, Module M9
This Technical Report will provide information to support the correct understanding, use and
national implementations of EN 15193–1. It will give explanations on the procedures and
background information. It will also provide justifications of the choices that have been made
and give validations of the calculation procedures given in the standards. It will give detailed
examples to illustrate the total workings of the standard.
Energetische Bewertung von Gebäuden - Energetische Anforderungen an die Beleuchtung - Teil 2: Technischer Bericht zu EN 15193-1
Performance énergétique des bâtiments - Exigences énergétiques pour l’éclairage - Partie 2: Explication et justification de l’EN 15193-1, Module M9
Energetska učinkovitost stavb - Energijske zahteve za razsvetljavo - 2. del: Obrazložitev in utemeljitev EN 15193-1, Modul M9
To tehnično poročilo podaja informacije za podporo pravilnemu razumevanju, uporabi in nacionalnem izvajanju standarda EN 15193–1. Podaja razlago postopkov in dodatne informacije. Podaja tudi utemeljitev izbire in potrjevanje postopkov izračuna, podanih v standardih. Podaja podrobne primere za prikaz delovanja standarda.
General Information
Overview
CEN/TR 15193-2:2017 - Energy performance of buildings - Energy requirements for lighting - Part 2: Explanation and justification of EN 15193‑1, Module M9 - is a Technical Report that clarifies, justifies and validates the procedures of EN 15193‑1. The report supports correct interpretation and national implementation by explaining methods, inputs, assumptions and the rationale behind choices in the standard. It also includes worked examples, validation results and accompanying spreadsheet tools.
Key topics and technical requirements
- Scope and purpose: Explanations to support consistent use of EN 15193‑1 and Module M9 across national implementations and regulatory frameworks.
- Calculation methods: Detailed descriptions of the three main methods for estimating lighting energy:
- Method 1 - detailed calculation of energy required for lighting (time-steps, device and control modelling)
- Method 2 - quick calculation (simplified input for rapid assessment)
- Method 3 - metered energy use (based on measured consumption)
- Data input and assumptions: Guidance on required inputs for new, refurbished and existing building lighting systems, product data and dependency factors (occupancy, daylight, constant illuminance).
- Expenditure factors and losses: Explanation of energy need vs energy use, and how expenditure factors for lighting systems are derived and applied.
- Quality control and compliance: Procedures for quality checks and compliance verification, plus worked examples to illustrate conformity checking.
- Validation and examples: Validation tests and multiple worked examples demonstrating end-to-end calculations and spreadsheet usage.
- Annexes and templates: Informative annexes with input/data templates, default choices, simplified installed power estimation methods and guidance for existing buildings.
Practical applications - who uses it
This Technical Report is essential for:
- Energy assessors and certifiers preparing lighting energy calculations and energy performance certificates
- Building designers, electrical and lighting designers specifying energy-efficient lighting systems
- Facility managers and retrofit teams assessing lighting upgrades and control strategies
- Regulators and policymakers implementing EN 15193‑1 in national codes
- Manufacturers and product specifiers validating product performance and documentation
Related standards and implementation
- Primary companion: EN 15193‑1 (lighting energy requirements for buildings). SIST‑TP CEN/TR 15193‑2 serves as the explanatory and justificatory guidance for Module M9 of EN 15193‑1.
- Use this Technical Report to ensure consistent interpretation of EN 15193‑1, support regulatory compliance, model lighting energy in building performance simulations, and document national implementation choices.
Keywords: energy performance of buildings, lighting energy requirements, EN 15193‑1, Module M9, lighting energy calculation, lighting controls, energy assessment, CEN/TR 15193‑2:2017.
Standards Content (Sample)
SLOVENSKI STANDARD
01-julij-2017
(QHUJHWVNDXþLQNRYLWRVWVWDYE(QHUJLMVNH]DKWHYH]DUD]VYHWOMDYRGHO
2EUD]ORåLWHYLQXWHPHOMLWHY(1 0RGXO0
Energy performance of buildings - Energy requirements for lighting - Part 2: Explanation
and justification of EN 15193-1, Module M9
Energetische Bewertung von Gebäuden - Energetische Anforderungen an die
Beleuchtung - Teil 2: Technischer Bericht zu EN 15193-1
Performance énergétique des bâtiments - Exigences énergétiques pour l’éclairage -
Partie 2: Explication et justification de l’EN 15193-1, Module M9
Ta slovenski standard je istoveten z: CEN/TR 15193-2:2017
ICS:
27.015 (QHUJLMVNDXþLQNRYLWRVW Energy efficiency. Energy
2KUDQMDQMHHQHUJLMHQD conservation in general
VSORãQR
91.120.10 Toplotna izolacija stavb Thermal insulation of
buildings
91.160.10 Notranja razsvetljava Interior lighting
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
CEN/TR 15193-2
TECHNICAL REPORT
RAPPORT TECHNIQUE
March 2017
TECHNISCHER BERICHT
ICS 91.120.10; 91.140.99; 91.160.01
English Version
Energy performance of buildings - Energy requirements
for lighting - Part 2: Explanation and justification of EN
15193-1, Module M9
Performance énergétique des bâtiments - Exigences Energetische Bewertung von Gebäuden - Energetische
énergétiques pour l'éclairage - Partie 2: Explication et Anforderungen an die Beleuchtung - Teil 2:
justification de l'EN 15193-1, Module M9 Technischer Bericht zu EN 15193-1
This Technical Report was approved by CEN on 27 February 2017. It has been drawn up by the Technical Committee CEN/TC
169.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TR 15193-2:2017 E
worldwide for CEN national Members.
Contents Page
European foreword . 9
Introduction . 11
1 Scope . 14
2 Normative references . 14
3 Terms and definitions . 14
4 Symbols and abbreviations . 15
4.1 Symbols . 15
4.2 Subscripts . 20
4.3 Abbreviations . 20
5 Brief description of the method(s) and routing . 20
5.1 General . 20
5.2 Selection criteria . 22
6 Method 1 – Calculation of the energy required for lighting . 22
6.1 Rationale . 22
6.2 Time steps . 22
6.3 Assumptions . 23
6.4 Data input . 23
6.4.1 General . 23
6.4.2 New or refurbished building lighting system data . 24
6.4.3 Existing building lighting system data . 24
6.4.4 Lighting system product data . 24
6.4.5 Lighting system dependency factors data . 25
6.5 Operating conditions . 25
6.6 Calculation information . 25
6.7 Expenditure factors for lighting systems . 26
6.7.1 Energy need and energy use for lighting . 27
6.7.2 Expenditure factor for lighting. 28
6.7.3 Application of expenditure factors . 37
6.7.4 Approach to expenditure factors for lighting systems . 47
6.7.5 Expenditure factors for lighting systems calculation . 48
7 Method 2 – Quick calculation of the energy required for lighting . 48
7.1 Rationale . 48
7.2 Time steps . 48
7.3 Assumptions . 48
7.4 Data input . 49
7.5 Simplified input . 49
7.6 Calculation information . 49
7.6.1 General . 49
7.6.2 Calculation of installed power for illumination . 49
7.6.3 Calculation of installed power for standby system . 50
7.6.4 Occupancy dependency factor (F ) . 50
O
7.6.5 Daylight supply dependency factor (F ) calculation . 50
D
7.6.6 Constant illuminance dependency factor (F ) . 52
C
7.7 Expenditure factors for lighting systems . 53
8 Method 3 – Metered energy used for lighting . 53
8.1 Rationale . 53
8.2 Time steps . 53
8.3 Assumptions . 54
8.4 Data input . 54
8.5 Simplified input . 54
8.6 Calculation information . 54
8.6.1 General . 54
8.6.2 Calculation procedure of annual energy . 56
8.7 Expenditure factors for lighting systems . 56
9 Quality control . 56
9.1 Method 1 . 56
9.2 Method 2 . 56
9.3 Method 3 . 56
10 Compliance Check . 57
11 Worked out examples . 57
11.1 Method 1 . 57
11.1.1 Example 1 . 57
11.1.2 Example 2 . 58
11.2 Method 2 . 59
11.2.1 Example 1 . 59
11.2.2 Example 2 . 59
11.3 Method 3 . 59
11.3.1 Example 1 . 59
12 Application range . 60
12.1 General . 60
12.2 Energy performance . 60
12.3 Energy certificate . 60
12.4 Inspection . 60
12.4.1 General . 60
12.4.2 Method 1 . 60
12.4.3 Method 2 . 60
12.4.4 Method 3 . 60
13 Regulation use . 61
14 Information on the accompanying spreadsheet. 61
15 Results of the validation tests . 61
Annex A (informative) Input and method selection data sheet – Template . 62
A.1 General . 62
A.2 System design data . 62
Annex B (informative) Input and selection data sheet - Default choices. 63
B.1 General . 63
B.2 Method 1 . 63
B.3 Method 2 . 63
B.4 Method 3 . 63
Annex C (informative) Simplified Method for Installed Power Estimation . 64
C.1 Installed power assessment for tertiary buildings . 64
C.1.1 General . 64
C.1.2 Estimation of the installed power for illumination . 64
C.1.3 Evaluation of P . 65
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C.1.4 Evaluation of F . 66
MF
C.1.4.1 General . 66
C.1.4.2 Lamp Lumen (Luminous Flux) Maintenance Factor (LLMF) . 66
C.1.4.3 Lamp Survival Factor (LSF) . 66
C.1.4.3.1 LED Maintenance Factor . 67
C.1.4.4 Luminaire Maintenance Factor (LMF) . 68
C.1.4.5 Room Surface Maintenance Factor (RSMF) . 69
C.1.5 Evaluation of F . 77
CA
C.1.6 Evaluation of F . 77
L
C.2 Installed power assessment for domestic buildings . 78
C.2.1 General . 78
C.2.2 Estimation of the installed power for illumination . 78
Annex D (informative) Assessment of the installed power for lighting systems in existing
buildings . 79
Annex E (informative) Occupancy estimation . 80
Annex F (informative) Daylight availability . 82
F.1 General . 82
F.2 Building segmentation: Spaces benefiting from daylight . 82
F.3 Daylight supply factor for vertical facades . 87
F.3.1 General . 87
F.3.2 Daylight factor classification. 92
F.3.3 Daylight supply factor . 96
F.3.4 Example . 101
F.4 Daylight supply factor for rooflights . 104
F.4.1 General . 104
F.4.2 Daylight availability factor . 104
F.4.3 Daylight supply factor . 105
F.4.4 Example . 117
F.5 Daylight Responsive Control Systems . 121
F.6 Monthly evaluation method . 122
F.7 Determination of daytime and night time hours . 124
F.8 Comprehensive calculation . 124
F.9 Light pipes. 124
F.10 References . 125
Annex G (informative) Constant illuminance . 126
G.1 Introduction . 126
G.2 Constant illuminance factor (F ) . 126
c
G.3 Constant lumen output system (CLO) . 127
Annex H (informative) Standby system energy requirements . 128
H.1 Emergency lighting luminaire standby charging power (P ) . 128
ei
H.2 Lighting controls standby power (P ) . 128
ci
Annex I (informative) Calculation Flowchart . 129
Annex J (informative) Calculation examples . 131
J.1 Method 1 . 131
J.1.1 Example 1 — New design manufacturing building . 131
J.1.1.1 Site details . 131
J.1.1.2 Entrance details . 132
J.1.1.3 Toilet details . 136
J.1.1.4 Office details . 138
J.1.1.5 Factory details . 143
J.1.1.6 Manufacturing building energy requirement . 147
J.1.2 Example 2 – New design residential bungalow . 148
J.1.2.1 Site details . 148
J.1.2.2 Living room . 148
J.1.2.3 Dining room . 149
J.1.2.4 Kitchen . 149
J.1.2.5 Bathroom . 149
J.1.2.6 Bedroom1 . 150
J.1.2.7 Bedroom2 . 150
J.1.2.8 Hall . 150
J.1.2.9 Building energy requirement . 150
J.2 Method 2 . 151
J.2.1 Example 1 – New design manufacturing building . 151
J.2.1.1 Site details . 151
J.2.1.2 Entrance details . 151
J.2.1.3 Toilet details . 153
J.2.1.4 Office details . 154
J.2.1.5 Factory details . 155
J.2.1.6 Manufacturing building energy requirement . 157
J.2.2 Example 2 – New design residential bungalow . 157
J.2.2.1 Site details . 157
J.2.2.2 Living room . 158
J.2.2.3 Dining room . 158
J.2.2.4 Kitchen . 158
J.2.2.5 Bathroom . 158
J.2.2.6 Bedroom1 . 158
J.2.2.7 Bedroom2 . 158
J.2.2.8 Hall . 158
J.2.2.9 Building energy requirement . 158
J.3 Method 3 . 159
J.3.1 Example 1 – Existing manufacturing building . 159
J.3.1.1 Site details . 159
J.3.1.2 Annual meter readings . 159
J.3.1.3 Building LENI . 159
Annex K (informative) Lighting controls . 160
K.1 Introduction . 160
K.2 Manual controls . 160
K.2.1 General . 160
K.2.2 On/Off control . 160
K.2.3 On/Off Dimming control . 161
K.3 Automatic controls . 161
K.3.1 General . 161
K.3.2 Timed on/off control . 161
K.3.3 Sensor activated control . 161
K.3.4 Occupancy sensor. 161
K.3.4.1 Absence detection . 162
K.3.4.2 Presence detection . 162
K.3.5 Light level sensor . 162
K.3.5.1 Daylight harvesting . 162
K.3.5.2 Constant illuminance . 162
K.3.5.3 Combined sensor . 163
K.4 Lighting control systems . 163
K.4.1 General . 163
K.4.2 Standalone (self-contained) lighting control system . 163
K.4.3 Linked lighting control system . 163
K.4.4 Integrated building control system. 163
K.4.5 Algorithmic lighting . 163
K.4.6 Lighting installations with Scene Setting . 164
Annex L (informative) Spread sheet and flow diagram . 165
Annex M (informative) Benchmark values . 166
Annex N (informative) Domestic lighting guide . 169
N.1 Introduction . 169
N.2 Lighting design . 169
N.2.1 General . 169
N.2.2 Kitchen . 169
N.2.2.1 Worktop lighting . 169
N.2.2.2 Strip lights under cabinets . 170
N.2.2.3 Spot lights under cabinets . 170
N.2.2.4 Extractor hood lighting . 170
N.2.2.5 General and ambient lighting . 170
N.2.2.6 Strip lights above cabinets . 170
N.2.2.7 Ceiling lights . 170
N.2.2.8 Chandeliers and pendant luminaires . 170
N.2.2.9 Recessed downlights . 171
N.2.3 Dining room . 171
N.2.3.1 General . 171
N.2.3.2 Dining table lighting . 171
N.2.3.3 Pendant luminaires . 171
N.2.3.4 General and ambient lighting . 171
N.2.3.5 Recessed downlights . 171
N.2.3.6 Wall lights . 171
N.2.3.7 Cornice strip lighting . 171
N.2.4 Living room . 172
N.2.4.1 General . 172
N.2.4.2 Reading lights. 172
N.2.4.3 General and ambient lighting . 172
N.2.5 Bathroom and toilets . 173
N.2.5.1 General . 173
N.2.5.2 Mirror lighting . 173
N.2.5.3 General lighting . 173
N.2.5.4 Toilet lighting . 173
N.2.6 Bedroom . 173
N.2.6.1 General . 173
N.2.6.2 Task lighting . 174
N.2.6.3 Bedside luminaires . 174
N.2.6.4 Desk luminaires . 174
N.2.6.5 General and ambient lighting . 174
N.2.7 Entrance hall, corridors and stairs . 174
N.2.8 Storeroom, cellar and laundry room. 174
N.3 Considerations about daylight . 175
N.3.1 Key parameters . 175
N.3.2 Access to daylight . 175
N.3.3 The quantity of daylight entering the premises. 175
N.3.4 Visual contact with the outdoors . 176
N.3.5 Quality of the view . 176
N.3.6 Presence of a daylight management system . 177
N.3.7 Presence of a control system for the daylight management system . 177
N.4 Targets . 178
N.4.1 Lighting types . 178
N.4.2 Useful areas in domestic buildings . 178
N.4.3 Values . 178
Annex O (informative) Lighting outside the building . 180
O.1 General . 180
O.2 Security lighting . 180
O.3 Pathway and amenity areas lighting . 180
O.4 Architectural floodlighting . 180
O.5 Lighting of outdoor workplaces . 180
Annex P (informative) Method f
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Frequently Asked Questions
CEN/TR 15193-2:2017 is a technical report published by the European Committee for Standardization (CEN). Its full title is "Energy performance of buildings - Energy requirements for lighting - Part 2: Explanation and justification of EN 15193-1, Module M9". This standard covers: This Technical Report will provide information to support the correct understanding, use and national implementations of EN 15193–1. It will give explanations on the procedures and background information. It will also provide justifications of the choices that have been made and give validations of the calculation procedures given in the standards. It will give detailed examples to illustrate the total workings of the standard.
This Technical Report will provide information to support the correct understanding, use and national implementations of EN 15193–1. It will give explanations on the procedures and background information. It will also provide justifications of the choices that have been made and give validations of the calculation procedures given in the standards. It will give detailed examples to illustrate the total workings of the standard.
CEN/TR 15193-2:2017 is classified under the following ICS (International Classification for Standards) categories: 91.120.10 - Thermal insulation of buildings; 91.140.99 - Other installations in buildings; 91.160.01 - Lighting in general. The ICS classification helps identify the subject area and facilitates finding related standards.
CEN/TR 15193-2:2017 is associated with the following European legislation: EU Directives/Regulations: 2010/31/EU; Standardization Mandates: M/480. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase CEN/TR 15193-2:2017 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
CEN/TR 15193-2:2017은 에너지 성능 기준의 중요한 부분으로, 조명에 대한 에너지 요구 사항을 규명하는데 중점을 두고 있습니다. 이 기술 보고서는 EN 15193-1의 올바른 이해, 활용 및 국가적 이행을 지원하기 위한 정보를 제공합니다. 이 표준의 범위는 매우 포괄적이며, 조명 에너지 성능 기준에 대한 실질적인 지침을 제공합니다. 이 문서는 표준의 절차와 배경 정보에 대한 설명을 포함하고 있어, 사용자들이 조명 에너지 요구 사항을 보다 명확히 이해할 수 있도록 돕습니다. 또한, 선택된 절차 및 계산 방법의 정당성을 제공하여, 사용자들이 본 표준을 신뢰하고 활용할 수 있는 토대를 마련합니다. 특히, 계산 절차에 대한 검증이 포함되어 있어, 실제 적용 시 용이성을 제공합니다. CEN/TR 15193-2:2017의 강점 중 하나는 구체적인 예시를 통해 표준의 전체적인 작동을 설명함으로써, 이론과 실제의 간극을 줄이는 데 기여한다는 점입니다. 이러한 예시는 사용자가 구체적인 상황에 어떻게 적용해야 하는지를 알려주는 중요한 교육 자료로 활용될 수 있습니다. 결론적으로, CEN/TR 15193-2:2017은 조명 에너지 요구 사항의 이해와 적용을 위한 필수 문서로, 각국의 정책과 규범에도 매우 중요한 시사점을 제공합니다. 이 표준은 조명 에너지 성능 기준에 대한 통찰을 제공하며, 관련 분야의 전문가와 정책 입안자들에게 큰 도움이 될 것입니다.
Le document de normalisation CEN/TR 15193-2:2017 joue un rôle crucial dans l'interprétation et l'application des exigences énergétiques pour l'éclairage des bâtiments, tel que décrit dans EN 15193-1. Son objectif principal est de fournir des informations pertinentes pour soutenir une compréhension correcte et l'utilisation de cette norme, ainsi que pour faciliter sa mise en œuvre nationale. L'un des points forts de ce rapport technique est sa capacité à expliquer en profondeur les procédures et les choix effectués dans la norme principale. Grâce à des explications claires et concises, CEN/TR 15193-2:2017 permet aux professionnels du secteur de mieux appréhender les défis liés à l'efficacité énergétique et de justifier les méthodes de calcul utilisées. De plus, il propose des exemples détaillés qui illustrent le fonctionnement global de la norme, rendant ainsi l'information plus accessible et applicable dans le contexte pratique. Ce document est particulièrement pertinent dans le cadre actuel où la performance énergétique des bâtiments est devenue une préoccupation majeure. En fournissant une validation des procédures de calcul et en clarifiant les justifications nécessaires, CEN/TR 15193-2:2017 s'affirme comme un guide essentiel pour les architectes, ingénieurs et décideurs cherchant à respecter les exigences en matière d'éclairage tout en garantissant une consommation énergétique optimale. En somme, CEN/TR 15193-2:2017 représente une ressource essentielle pour quiconque souhaite comprendre et appliquer les exigences énergétiques pour l'éclairage, en offrant un cadre solide pour la mise en œuvre efficace des normes en matière de performance énergétique des bâtiments.
Die Norm CEN/TR 15193-2:2017 bietet eine umfassende Unterstützung zur korrekten Anwendung und Implementierung der EN 15193-1, die sich mit den energetischen Anforderungen an die Beleuchtung von Gebäuden befasst. Der Umfang dieses Technischen Berichts erstreckt sich über grundlegende Erläuterungen zu Verfahren sowie Hintergrundinformationen, die es den Anwendern ermöglichen, die Norm besser zu verstehen. Ein besonders starker Aspekt der CEN/TR 15193-2:2017 ist die detaillierte Begründung der gewählten Verfahren und die Validierung der Berechnungsabläufe, die in der Norm angegeben sind. Diese Erklärungen sind entscheidend, um Missverständnisse zu vermeiden und eine einheitliche Anwendung auf nationaler Ebene zu fördern. Der Bericht enthält außerdem zahlreiche anschauliche Beispiele, die helfen, die komplexen Vorgänge der Norm nachvollziehbar zu machen. Die Relevanz dieser Norm im Kontext der Energiewende und der Anforderungen an energieeffiziente Gebäude kann nicht hoch genug eingeschätzt werden. Durch die präzise Erläuterung der Berechnungsmethoden und die Bereitstellung klarer Beispiele wird sichergestellt, dass Fachleute in der Baubranche und in der Lichtplanung die Norm korrekt umsetzen können. Dadurch wird nicht nur die Qualität der Beleuchtungsplanung verbessert, sondern auch ein wesentlicher Beitrag zur Energieeffizienz und nachhaltigen Nutzung von Ressourcen geleistet. Insgesamt stärkt die CEN/TR 15193-2:2017 die Anwendung der EN 15193-1 durch ihre sorgfältige und fundierte Aufbereitung, was sie zu einem unverzichtbaren Dokument für alle Fachleute im Bereich der Energieeffizienz von Gebäuden macht.
The CEN/TR 15193-2:2017 standard, titled "Energy performance of buildings - Energy requirements for lighting - Part 2: Explanation and justification of EN 15193-1, Module M9," serves a crucial role in enhancing the understanding and application of energy performance regulations pertaining to lighting in buildings. Its scope is clearly defined, focusing on providing extensive clarification and support for both the interpretation and implementation of EN 15193-1. One of the significant strengths of CEN/TR 15193-2:2017 is its comprehensive approach to elucidating the procedures outlined in the main standard. It offers valuable background information that is essential for stakeholders involved in energy performance assessments. By providing an in-depth explanation of the methodologies and justifications behind the standard’s requirements, it fosters a better understanding among practitioners, ensuring that they can effectively apply the guidelines in their respective national contexts. The standard further reinforces its relevance by validating the calculation procedures established in EN 15193-1. This validation is critical for instilling confidence in the methodologies employed, which is especially important in a field where precision and accuracy are paramount. The detailed examples included serve not only to illustrate theoretical concepts but also to demonstrate practical applications, thus bridging the gap between theory and practice. Moreover, CEN/TR 15193-2:2017 addresses the diverse needs of various stakeholders, including policymakers, architects, engineers, and energy assessors. By doing so, it enhances collaboration and ensures that the principles of energy efficiency in lighting are upheld across different regions and regulatory frameworks. In summary, the CEN/TR 15193-2:2017 standard stands out for its clarity, thoroughness, and relevance in guiding the energy performance of buildings concerning lighting requirements. Its structured approach facilitates the uptake of EN 15193-1, bolstering efforts toward energy efficiency in the built environment.
CEN/TR 15193-2:2017は、建物のエネルギー性能に関する非常に重要な標準であり、特に照明に関連するエネルギー要件を扱っています。この技術報告書の目的は、EN 15193–1の正しい理解や使用、そして各国における適用を支援することです。したがって、標準の適用範囲は非常に広く、建物の照明設計におけるエネルギー効率の向上に寄与します。 この標準の強みは、手順やその背後にある情報を明確に説明している点です。具体的な説明が含まれていることで、利用者はより理解を深め、標準の意図を正確に掴むことができます。また、選択された手法や計算手続きの正当化も行われており、これにより、設計者や技術者は自信を持ってこれらの指針を使用することが可能です。 さらに、CEN/TR 15193-2:2017は、標準全体の動作を示すための詳細な例を提供しており、これにより、理論が実際の状況にどのように適用されるかを視覚的に理解することができます。これらの要素は、エネルギー要件についての明確なガイダンスを提供し、建物の照明設計におけるエネルギー性能を高めるための貴重な資源となるでしょう。 総じて、CEN/TR 15193-2:2017は、照明に関するエネルギー性能に対する具体的な要件を提供し、建物がエネルギー効率の高いものになることを推進するための必須のガイドラインです。その relevance（関連性）は、持続可能な建設とエネルギー利用の観点から、ますます重要性を増しています。
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