49
Figure 59. Frequency of the annual consumption of lighting and electrical devices: 3 years data and last year data
Total Energy Consumption
The total energy consumption, as defined by the Danish Building Regulations 08 has been calculated by
adding the electric energy for ventilation (as described in the previous section, and multiplied by 2.5 to
obtain primary energy), the monitored DHW demands and the monitored space heating demands.
The 3 years dataset consists of 40 flats, the last year dataset consists of 55 flats.
Figure 60. Calculated annual total energy consumption in the flats (3 years data). Red = Average consumption of the 40 flats
app. 45.2 kWh/m
2
/y.
In Figure 60 and Figure 61 the calculated total energy consumption (dark red columns) for each flat of the
datasets and the respective requirement according to DBR08 (green columns) are presented.
The DBR08 requirements varies between 45.0 and 48.4 45.2 kWh/m
2
/y.
The average values of total energy consumption (red dotted line) are 45.2 kWh/m
2
/y and 46.9 kWh/m
2
/y
for the 3 year and 1 year datasets respectively.
For the three years dataset 25 flats over 40, which means 62.5%, comply the DBR08 design requirements.
For the last year dataset 32 flats over 55, which means 58.2%, comply with these design requirements.
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Consumption Class
[kWh/year]
Lighting & El. Equipment Consumption frequency
% 3 years
% last year
Cum.% 3 years
Cum.% last year
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Anonimous houses
Total Energy (Ventilation, Heating, DHW) according to the DBR08 - 3 years data
DBR08 Low-E Class1
Total Energy Consumption