ISO 50046:2019 pdf free

ISO 50046:2019 pdf free.General methods for predicting energy savings
Planning the calculation process simultaneously with the design of EPIA(s) makes it possible to account for the available resources and time (in particular the budget and the timing of the decision to be made,and the resources and time required for different calculation methods). Analysis of data availability and quality is particularly important while preparing for the calculation process (see Clause 5 for more details).
An appropriate level of accuracy should be selected depending on the objectives of the calculations.Accuracy of the PrES is considered to be appropriate when the stakeholders have confidence in using it.It does not always need to be the highest possible level. Assumptions that make the calculations simpler and that are consistent with the calculation objectives may be used if agreed to by the stakeholders[10].The requirement about accuracy might differ greatly, for example, between the case of an approximate estimation to evaluate whether to implement a low-investment EPIA and the case ofa detailed estimation to evaluate a high-investment EPIA. The costs of calculating PrES might thus differ greatly, mainly due to differences in the resources needed to collect additional data and/or to perform additional analyses (see the example in Annex E).
To ensure transparency and reproducibility, this document identifies the information to be documented at each step of the calculation process. Documentation is the key to ensuring that the PrES can be understood and used in a correct manner. Transparency should make it possible for external experts to reproduce the calculations and results. See Annex B for an overview of documentation guidance,Annex C for an example of documentation template and Annex D for an example of using this template.
These categories can be used to identify the resources needed for data collection according to data needs and collection options. The assessment of the resources needed includes an analysis of the needs for verification and analysis of the data quality necessary to achieve the accuracy targeted. Data quality and any issues should be documented. Third party verification should be considered based on agreement with the stakeholders.ISO 50046 pdf free download.