BS ISO 50046:2019 General methods for predicting energy savings

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BS ISO 50046:2019

General methods for predicting energy savings

Status : Current   Published : March 2019



What is this standard about?

This document specifies general methods for the calculation of predicted energy savings (PrES), using measure-based calculation methods, also known as bottom-up or energy performance improvement actions (EPIAs)-based methods (see ISO 17742). Indicator-based methods (see ISO 17742) and totalconsumption-based methods (see ISO 50047) are not included in the scope of this document.

This document provides general principles for categorizing and choosing the method, taking account of the context, targeted accuracy and resources available for calculating the PrES. It also provides guidance on the conditions for ensuring the quality of the PrES, their documentation and validation.

It is applicable to calculation of PrES for any:

— type of EPIA;

— end-use sector;

— energy end-use;

— level of aggregation of energy savings;

— stakeholder.

This document considers PrES from:

— an EPIA; and/or

— an action plan, programme or policy (aggregated energy savings).

This document describes how to calculate PrES over a prediction period. It can be used to calculate PrES in terms of primary energy or final (or delivered) energy (as defined in ISO 50047and ISO/IEC 13273-1).

Standard NumberBS ISO 50046:2019
TitleGeneral methods for predicting energy savings
Publication Date11 March 2019
Cross ReferencesEN 15459:2007, ISO 50001:2018, ISO 50002:2014, ISO 50006:2014, ISO 17743:2016, ISO 17742:2015, ISO/IEC 13273-1:2015, ISO 17741:2016, ISO 50047:2016, ISO 50015:2014, CWA 15693, ISO/TS 50008
International RelationshipsISO 50046:2019
Draft Superseded By17/30321432 DC
DescriptorsEnergy conservation, Prediction, Calculations (mathematics), Methods of calculation, Savings
Title in FrenchMéthodes générales d'estimation des économies d'énergie
ISBN978 0 580 89807 5
File Size3.83 MB

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