ISO 50006:2023
Energy management systems — Evaluating energy performance using energy performance indicators and energy baselines
This document gives guidance on how to establish, use and maintain energy performance indicators (EnPIs) and energy baselines (EnBs) to evaluate energy performance in any organization including those using ISO 50001. Additional guidance is given on how to measure and monitor energy performance and demonstrate energy performance improvement.
This document is applicable to any organization, regardless of its type, size, complexity, geographical location, organizational culture, the products and services it provides or its level of maturity in the field of energy management.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Overview of EnPIs, EnBs and energy performance
5 Obtaining relevant energy performance information
5.1 Initial-energy-performance-related information
5.2 Determining users of energy performance indicators
5.3 Defining the energy performance indicator boundaries
5.4 Defining and quantifying energy flows
5.5 Defining and quantifying variables related to energy performance
5.6 Collecting data
5.6.1 Data collection
5.6.2 Data quality
5.6.3 Measurement
5.6.4 Data collection frequency
5.6.5 Identifying and analysing outliers
6 Determining energy performance indicators
6.1 General
6.2 Expressing energy performance indicators
6.2.1 Statistical model
6.2.2 Aggregated models
6.2.3 Engineering model
7 Establishing energy baselines
7.1 Concept of EnB
7.2 Determining baseline period
8 Normalization
8.1 Concept of normalization
8.2 Uncertainty of model
9 Maintaining energy performance indicators and energy baselines
9.1 General
9.2 Static factor changes
10 Monitoring and reporting of energy performance and demonstrating energy performance improvement
10.1 General
10.2 Monitoring and reporting
10.3 Demonstrating energy performance improvement
Annex A (informative) EnPI and EnB planning process
Annex B (informative) Examples of EnPI boundaries
Annex C (informative) Examples of energy performance indicators
Annex D (informative) Example of normalization stepwise process
Annex E (informative) Example of normalization
Annex F (informative) Example of normalization — Multivariate–analysis
Annex G (informative) Reporting aggregated information
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Overview of EnPIs, EnBs and energy performance
5 Obtaining relevant energy performance information
5.1 Initial-energy-performance-related information
5.2 Determining users of energy performance indicators
5.3 Defining the energy performance indicator boundaries
5.4 Defining and quantifying energy flows
5.5 Defining and quantifying variables related to energy performance
5.6 Collecting data
5.6.1 Data collection
5.6.2 Data quality
5.6.3 Measurement
5.6.4 Data collection frequency
5.6.5 Identifying and analysing outliers
6 Determining energy performance indicators
6.1 General
6.2 Expressing energy performance indicators
6.2.1 Statistical model
6.2.2 Aggregated models
6.2.3 Engineering model
7 Establishing energy baselines
7.1 Concept of EnB
7.2 Determining baseline period
8 Normalization
8.1 Concept of normalization
8.2 Uncertainty of model
9 Maintaining energy performance indicators and energy baselines
9.1 General
9.2 Static factor changes
10 Monitoring and reporting of energy performance and demonstrating energy performance improvement
10.1 General
10.2 Monitoring and reporting
10.3 Demonstrating energy performance improvement
Annex A (informative) EnPI and EnB planning process
Annex B (informative) Examples of EnPI boundaries
Annex C (informative) Examples of energy performance indicators
Annex D (informative) Example of normalization stepwise process
Annex E (informative) Example of normalization
Annex F (informative) Example of normalization — Multivariate–analysis
Annex G (informative) Reporting aggregated information
Bibliography