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BS EN 17423:2020

BS EN 17423:2020

$189.07

Energy performance of buildings. Determination and reporting of Primary Energy Factors (PEF) and CO2 emission coefficient. General Principles, Module M1-7

Published By Publication Date Number of Pages
BSI 2020 48
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This document provides a transparent framework for reporting on the choices related to the procedure to determine primary energy factors (PEFs) and CO2 emission coefficients for energy delivered to and exported from the buildings as described in EN ISO 52000-1.

This document specifies the choices to be made to calculate the PEF(s) and CO2 emission coefficients related to different energy carriers. PEFs and CO2 emission coefficients for exported energy can be different from those chosen for delivered energy.

This document is primarily intended for supporting and complementing EN ISO 52000-1, as the latter requires values for the PEFs and CO2 emission coefficients to complete the EPB calculation. But it can also be used for other applications.

NOTE

The CO 2 emission coefficients allow calculating greenhouse gas emissions. According to the choices made, the CO 2 emission coefficients represent only CO 2 emissions or also other greenhouse gases.

Table 1 shows the position (marked by “X”) of this document within the modular structure as set out in EN ISO 52000-1.

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.

Table 1
Position of this document (M1–7), within the modular structure as set out in EN ISO 52000-1

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
10 2 Normative references
3 Terms and definitions
12 4 Symbols, subscripts and abbreviations
14 5 General description of the methods and choices
21 6 Set of different choices related to PEF and CO2 emission coefficient
30 Annex A (normative)Template for reporting the choices
A.1 General
A.2 Reporting template for choices per energy carrier
32 Annex B (informative)Examples of assessment boundaries
34 Annex C (informative)Additional explanation and reporting
C.1 General
C.2 Calculation approach: Reverse energy flows by energy carrier (example related to chapter 5.1.5.2)
35 C.3 Conventions related to energy conversion (example related to 6.3.3)
C.3.1 Example of possible PEF values for power generation
36 C.3.2 Efficiency of conversion processes
C.3.2.1 General consideration
37 C.3.2.2 Fossil fuel
38 C.3.2.3 Renewables (RES)
39 C.3.2.4 Non-combustible non-renewable fuels (i.e. nuclear)
41 C.4 Energy exchanges with other geographical perimeters (example related to chapter 6.4.1)
44 C.5 Allocation of multi energy input system for a delivered energy carrier (example related to chapter 6.4.3)
C.6 Allocation of multi energy output systems (example related to chapter 6.4.3)

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BS EN 17423:2020
$189.07