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BSI PD ISO/TS 50044:2019

BSI PD ISO/TS 50044:2019

$198.66

Energy saving projects (EnSPs). Guidelines for economic and financial evaluation

Published By Publication Date Number of Pages
BSI 2019 52
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This document gives guidelines for how to compare and prioritize energy saving projects (EnSPs) before implementation, using economic and financial evaluation. It includes a common set of principles.

This document is applicable to all EnSPs and energy performance improvement actions (EPIAs) that are developed by stakeholders and organizations for improving energy performance, irrespective of the type and size of an organization and its energy use and consumption.

The methodology for quantification methods for predicted energy savings and measurement and verification (M&V) of the energy savings are not in the scope of this document.

NOTE

The methodology for the estimation of the energy savings is critical when determining cost savings.

The methodology of the scenario generation (building) for future energy saving measures and actions is not covered by this document.

General rules and methodologies within this document can be used either independently or in conjunction with other standards and protocols.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
11 1 Scope
2 Normative references
3 Terms and definitions
15 4 Symbols and abbreviated terms
16 5 Planning an economic and financial evaluation of an EnSP
5.1 General
17 5.2 Description of an EnSP and associated lifetime
5.3 Identification and definition of the boundaries
5.3.1 General
5.3.2 Examples of EnSP boundaries
18 5.4 Data collection
19 5.5 Evaluation objectives and required accuracy
6 Estimation and calculation of energy and non-energy effects
6.1 Prediction and estimation of energy savings
6.2 Energy savings calculation
20 6.3 Estimation of non-energy effects
6.4 Conversion of EnSP effects into economic value
6.4.1 General
6.4.2 Revenues
6.4.3 Estimation of external costs and benefits
7 Identification and calculation of costs and cash flows
7.1 General
21 7.2 Cost characteristics
7.2.1 General
7.2.2 Variable cost
22 7.2.3 Fixed costs
7.2.4 Total capital investment
23 7.3 Cash flows description
7.3.1 General
24 7.3.2 Accounting for future cash flows
7.3.3 Rates of time preference or comparison
7.3.4 Choosing a rate of time preference or comparison
25 8 Analysis and assessment
8.1 Economic and financial indicators
8.1.1 General
26 8.1.2 Present value
8.1.3 Net present value
27 8.1.4 Internal rate of return
8.1.5 Payback period
28 8.1.6 Life cycle cost analysis
29 8.1.7 Profitability index
30 8.2 Assessment
8.2.1 General
8.2.2 Sensitivity analysis
8.2.3 Uncertainty and risk assessment
32 8.3 Analysis
8.3.1 Energy data quality
8.3.2 Social cost benefit analysis
34 8.4 Decision-making
8.4.1 General
8.4.2 Selection of an EnSP based on indicators
35 9 Reporting
36 Annex A
(informative)

Energy savings calculation steps

38 Annex B
(informative)

Example of cost characteristics

39 Annex C
(informative)

Examples of payback period calculation

41 Annex D
(informative)

Example of net present value calculation

43 Annex E
(informative)

Examples of internal rate of return calculation

47 Annex F
(informative)

Example of life cycle cost analysis

50 Bibliography

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BSI PD ISO/TS 50044:2019
$198.66