Energy performance of buildings. Economic evaluation procedure for energy systems in buildings - Calculation procedures, Module M1-14

Energy performance of buildings. Economic evaluation procedure for energy systems in buildings - Calculation procedures, Module M1-14

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1   Scope

This European Standard provides a calculation method for the economic issues of heating systems and other systems that are involved in the energy demand and consumption of the building. It applies to all types of new and existing buildings.
The fundamental principles and terminology are explained in the standard.
The main items of the standard will be:
  • — the definitions and the structure of the types of costs which should be taken into account for the calculation of the economic efficiency of saving options in buildings;
  • — data needed for definition of costs related to systems under consideration;
  • — the calculation method(s);
  • — expression of the result of the economic study.
This European Standard is part of the method for calculation of economic performance of energy saving options in buildings (e.g. insulation, better performing generators and distribution systems, efficient lighting, renewable sources, combined heat and power…).
The scope of this specific part is to standardize:
  • — the required inputs;
  • — the required outputs;
  • — the calculation formulas;
  • — the type of energy systems concerned with the energy performance of the building.

NOTE 1 This is the revision of EN 15459:2007. The revision has been made consistent with the EU regulation on cost-optimal. This revision includes the definition of payback for investment, and inclusion of the costs due to the deconstruction of the building. The method presenting annualized costs has been suppressed.

NOTE 2 This standard does not consider financial advantages for higher productivity, higher attractiveness for tenants due to higher indoor comfort, when relevant for comparison of different options.

Table 1 shows the relative position of this standard within the set of EPB standards in the context of the modular structure as set out in EN ISO 52000‑1.

NOTE 3 In CEN ISO/TR 52000‑2 the same table can be found, with, for each module, the numbers of the relevant EPB standards and accompanying technical reports that are published or in preparation.

NOTE 4 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. See also Clause 2 and Tables A.1 and B.1.

Table 1 — Position of this standard, within the modular structure of the set of EPB standards
Overarching Building
(as such) 		Technical Building Systems
Descriptions Descriptions Descriptions Heating Cooling Ventilation Humidification Dehumidification Domestic Hot water Lighting Building automation and control Electricity production
sub1 M1 sub1 M2 sub1 M3 M4 M5 M6 M7 M8 M9 M10 M11
1 General   1 General 1 General 15316–1         15316–1      
2 Common terms and definitions;
symbols, units and subscripts		   2 Building Energy Needs 2 Needs           12831–3      
3 Applications   3 (Free) Indoor Conditions without Systems 3 Maximum Load and Power 12831–1         12831–3      
4 Ways to Express Energy
Performance		   4 Ways to Express Energy Performance 4 Ways to Express Energy Performance 15316–1         15316–1      
5 Building
Functions and Building Boundaries		   5 Heat Transfer by Transmission 5 Emission and control 15316–2 15316–2              
6 Building Occupancy and Operating Conditions   6 Heat Transfer by Infiltration and Ventilation 6 Distribution and control 15316–3 15316–3       15316–3      
7 Aggregation of Energy Services and Energy Carriers   7 Internal
Heat Gains		 7 Storage and control 15316–5         15316–5 15316–4–3      
8 Building Partitioning   8 Solar
Heat Gains		 8 Generation                  
          8–1 Combustion boilers 15316–4–1         15316–4–1      
          8–2 Heat pumps 15316–4–2 15316–4–2       15316–4–2      
          8–3 Thermal solar
Photovoltaics
 15316–4–3         15316–4–3     15316–4–3
          8–4 On-site cogeneration 15316–4–4         15316–4–4     15316–4–4
          8–5 District heating and cooling 15316–4–5 15316–4–5             15316–4–5
          8–6 Direct electrical heater 15316–4–9         15316–4–9      
          8–7 Wind turbines                 15316–4–10
          8–8 Radiant heating, stoves 15316–4–8                
9 Calculated Energy Performance   9 Building Dynamics (thermal mass) 9 Load dispatching and operating conditions 15316–1                
10 Measured
Energy
Performance		   10 Measured Energy Performance 10 Measured Energy Performance 15378–3         15378–3      
11 Inspection   11 Inspection 11 Inspection 15378–1         15378–1      
12 Ways to Express Indoor Comfort   12 – 12 BMS                  
13 External Environment Conditions                            
14 Economic Calculation 15459–1                          

NOTE The shaded modules are not applicable.