CEN/TR 15316-6-8:2017

SLOVENSKI STANDARD
01-maj-2018
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Energy performance of buildings - Method for calculation of system energy requirements
and system efficiencies - Part 6-8: Explanation and justification of EN 15316-4-5 (District
heating and cooling), Module M3-8-5, M4-8-5, M8-8-5, M11-8-5
Heizungsanlagen und Wasserbasierte Kühlanlagen in Gebäuden - Verfahren zur
Berechnung der Energieanforderungen und Nutzungsgrade der Anlagen - Teil 6-8:
Begleitende TR zur EN 15316-4-5 (Fernwärme und Fernkälte)
Performance énergétique des bâtiments - Méthode de calcul des besoins énergétiques
et des rendements des systèmes - Partie 6-8 : Explication et justification de l’EN 15316-4
-5 (Chauffage et refroidissement urbains), Module M3-8-5, M4-8-5, M8-8-5, M11-8-5
Ta slovenski standard je istoveten z: CEN/TR 15316-6-8:2017
ICS:
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN/TR 15316-6-8
TECHNICAL REPORT
RAPPORT TECHNIQUE
April 2017
TECHNISCHER BERICHT
ICS 91.120.10; 91.140.10; 91.140.30
English Version
Energy performance of buildings - Method for calculation
of system energy requirements and system efficiencies -
Part 6-8: Explanation and justification of EN 15316-4-5
(District heating and cooling), Module M3-8-5, M4-8-5,
M8-8-5, M11-8-5
Performance énergétique des bâtiments - Méthode de Heizungsanlagen und Wasserbasierte Kühlanlagen in
calcul des besoins énergétiques et des rendements des Gebäuden - Verfahren zur Berechnung der
systèmes - Partie 6-8 : Explication et justification de Energieanforderungen und Nutzungsgrade der
l'EN 15316-4-5 (Chauffage et refroidissement urbains), Anlagen - Teil 6-8: Begleitende TR zur EN 15316-4-5
Module M3-8-5, M4-8-5, M8-8-5, M11-8-5 (Fernwärme und Fernkälte)

This Technical Report was approved by CEN on 3 March 2017. It has been drawn up by the Technical Committee CEN/TC 228.

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 15316-6-8:2017 E
worldwide for CEN national Members.

Contents Page
Contents
European foreword . 3
Introduction . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Symbols, subscripts and abbreviations. 6
5 Indicators . 7
5.1 Output data . 7
5.2 Input data and calculation time step . 7
5.3 System boundaries . 8
6 Calculation methods for energy performance indicators . 9
6.1 Simplified approach . 9
6.2 Detailed calculation rules . 12
7 Setting default values. 20
7.1 Single-output systems . 20
7.2 Multi-output systems . 21
7.3 Conventions for missing input data and cascading multi-output systems . 23
7.4 Distribution networks . 24
8 Calculation of energy source indicators . 24
9 Report . 24
Annex A (informative) Default values . 25
Annex B (informative) Calculation examples. 27
B.1 Calculation example for a single-output district heating system (see 6.1) . 27
B.2 Calculation example for a multi-output district heating system (see 6.1) . 29
B.3 Calculation example for a district electricity system (see 6.1) . 30
B.4 Example for determining the electricity-related energy flows of the cogeneration
mode (see 6.2.2.1.3) . 32
B.5 Example for calculating CHP units with different allocation methods (see 6.2.2.1.5) . 34
B.6 Example for calculating RER and WHR. 37
B.7 Calculation example for a district cooling system. 39
Annex C (informative) Report example . 43
Bibliography . 44

European foreword
This document (CEN/TR 15316-6-8:2017) has been prepared by Technical Committee CEN/TC 228
“Heating systems and water based cooling systems in buildings”, the secretariat of which is held by DIN.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent
rights.
Introduction
The set of EPB standards, technical reports and supporting tools
In order to facilitate the necessary overall consistency and coherence, in terminology, approach,
input/output relations and formats, for the whole set of EPB-standards, the following documents and
tools are available:
a) a document with basic principles to be followed in drafting EPB-standards:
CEN/TS 16628:2014, Energy Performance of Buildings - Basic Principles for the set of EPB
standards [1];
b) a document with detailed technical rules to be followed in drafting EPB-standards;
CEN/TS 16629:2014, Energy Performance of Buildings - Detailed Technical Rules for the set of
EPB-standards [2];
c) the detailed technical rules are the basis for the following tools:
1) a common template for each EPB-standard, including specific drafting instructions for the
relevant clauses;
2) a common template for each technical report that accompanies an EPB standard or a cluster of
EPB standards, including specific drafting instructions for the relevant clauses;
3) a common template for the spreadsheet that accompanies each EPB standard, to demonstrate
the correctness of the EPB calculation procedures.
Each EPB-standards follows the basic principles and the detailed technical rules and relates to the
overarching EPB-standard, EN ISO 52000-1:2017 [3].
One of the main purposes of the revision of the EPB-standards is to enable that laws and regulations
directly refer to the EPB-standards and make compliance with them compulsory. This requires that the
set of EPB-standards consists of a systematic, clear, comprehensive and unambiguous set of energy
performance procedures. The number of options provided is kept as low as possible, taking into
account national and regional differences in climate, culture and building tradition, policy and legal
frameworks (subsidiarity principle). For each option, an informative default option is provided
(Annex B).
Rationale behind the EPB technical reports
There is a risk that the purpose and limitations of the EPB standards will be misunderstood, unless the
background and context to their contents – and the thinking behind them – is explained in some detail
to readers of the standards. Consequently, various types of informative contents are recorded and made
available for users to properly understand, apply and nationally or regionally implement the EPB
standards.
If this explanation would have been attempted in the standards themselves, the result is likely to be
confusing and cumbersome, especially if the standards are implemented or referenced in national or
regional building codes.
Therefore, each EPB standard is accompanied by an informative technical report, like this one, where all
informative content is collected, to ensure a clear separation between normative and informative
contents (see CEN/TS 16629 [2]):
— to avoid flooding and confusing the actual normative part with informative content;
— to reduce the page count of the actual standard; and
— to facilitate understanding of the set of EPB standards.
This was also one of the main recommendations from the European CENSE project [5] that laid the
foundation for the preparation of the set of EPB standards.
1 Scope
This Technical Report refers to standard EN 15316-4-5:2017.
It contains information to support the correct understanding, use and national adaptation of
EN 15316-4-5:2017
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 15316-4-5:2017, Energy performance of buildings - Method for calculation of system energy
requirements and system efficiencies - Part 4-5: District heating and cooling, Module M3-8-5, M4-8-5, M8-
8-5, M11-8-5
EN ISO 52000-1:2017, Energy performance of buildings - Overarching EPB assessment - Part 1: General
framework and procedures (ISO 52000-1:2017)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN ISO 52000-1:2017 and
EN 15316-4-5:2017 apply.
4 Symbols, subscripts and abbreviations
For the purposes of this document, the symbols, subscripts and abbreviations given in
EN ISO 52000-1:2017 and EN 15316-4-5:2017 and the specific subscripts and abbreviations listed in
Table 1 and Table 2 apply.
Table 1 — Specific Subscripts
Subscript Term Subscript Term
abs absorption chiller ac ambient cooling
carnot carnot cch compression chiller
coal coal gf gaseous fuel
hn heating network infra infrastructure embedded
lf liquid fuel ncv net calorific value
return return sewage sewage sludge
supply supply upstr upstream chain
wte waste-to-energy
Table 2 — Abbreviations
Abbreviation Term
GCV gross calorific value
MIG multi-input generation unit
NCV net calorific value
WTE waste to energy
5 Indicators
5.1 Output data
The outcome of the calculation procedure is indicators that characterize a district energy system. The
indicators are subdivided into two groups. Energy performance indicators reflect efficiency aspects as
well as the source of the energy carrier. Energy source indicators don’t reflect the efficiency aspects of
the system but characterize the origin of the energy carrier.
In 2012/27/EU Article 2 No. (41) efficiency and energy source are defined differently: “Efficient district
heating and cooling’ means a district heating or cooling system using at least 50 % renewable energy, 50
% waste heat, 75 % cogenerated heat or 50 % of a combination of such energy and heat”.
However EN 15316-
...