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Relative energy consumption (kWh/m²/year)
Based on the GRI CRE1 indicator
Ratio between the total energies consumed, from all sources, i.e. electric, fuel, district heating and cooling, divided by unit of surface area. The total numerator
of the energies consumed corresponds to the addition, in absolute value, of the three following indicators: electrical energy, energy from district heating and
cooling, and energy from fuels.
Relative energy consumption (kWh/m²/year) according to the building’s age
Relative consumption
2012
kWh/m²
2013
kWh/m²
Electricity cover (no. of buildings)
89
86
Gas cover (no. of buildings)
85
85
Multi-tenant (1)
171
186
8.8%
Single-tenant (2)
250
261
4.5%
Headquarters
207
227
9.6%
TOTAL (1)+(2)
217
230
5.9%
Like-for-like 2012-2013 (electricity: 86 buildings; gas: 83 buildings)
216
229
6.3%
Relative consumption
2012
kWh/m²
2013
kWh/m²
0 - 5 years
142
129
-9.2%
6 - 10 years
220
226
2.7%
11 - 15 years
185
213
15.3%
> 16 years
277
266
-4.1%
Notes
1 The like-for-like analysis is conducted on the consumption of the common technical equipment of multi-tenant buildings and all the
consumptions of single-tenant buildings.
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Corporate Social Responsibility \
Management Report