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Environmental key figures in Switzerland

    Unit   2016   2017   2018
                 
Land/buildings
Net floor space (NFS)   million m2   0.93   0.93   0.93
                 
Paper consumption
Total paper consumption   Tonnes   5,156   4,444   3,708
                 
Water/sewage
Water consumption 1   m3   182,451   188,410   182,424
                 
Energy, electricity
Electrical energy consumption 2   Terajoule   1,613   1,683   1,747
    GWh   448   468   485
                 
Energy, heating 3
Heating oil   Terajoule   109.7   99.2   69.1
Natural gas   Terajoule   28.2   26.6   27.3
District heating   Terajoule   39.6   40.0   37.2
Biomass   Terajoule           1.1
Total Heating   Terajoule   177.5   165.8   134.8
                 
Energy, fuel 4
Petrol   Terajoule   21.6   16.4   16.8
Diesel fuel   Terajoule   116.3   111.3   110.9
Natural gas   Terajoule   1.9   0.3   0.2
Total fuel   Terajoule   139.8   128.0   127.8
Vehicles   Number   3,403   3,160   3,040
Kilometers driven   million km   60.2   54.9   53.4
Average CO2 emissions 5   g per km   109.0   105.0   104.0
                 
Energy, total
Energy consumption   Terajoule   1,930   1,973   2,009
    GWh   536   548   558
                 
Air emissions
Carbon dioxide CO2-eq from the consumption of fossil energies 6   Tonnes   19,837   18,119   16,171
Nitrous gases NOx 7   Tonnes   18.3   15.4   13.9
Sulphur dioxide SO2 8   Tonnes   3.7   3.3   2.3
                 
Waste
Total amount of waste   Tonnes   6,951   5,647   4,385
1 The water consumption (without cooling water) is extrapolated on the basis of the average rate of 43.8 litre per FTE per day.
2 Energy conversion: 1 terajoule (TJ) = 0.278 gigawatt hours (GWh).
3 The heating energy consumption is based on a forecast of monthly measures of the consumption of 61 buildings until 2017 and 120 buildings from 2018 (with a total floor space of over 45%).
4 The fuel consumption was adjusted from private use. The km driven, energy consumption and the air emissions were adjusted accordingly.
5 Average emissions per kilometre refer to manufacturer’s indications, according to the NEDC method.
6 CO2-emissions from consumption of fossil energies, without district heating and refrigerant fluid. Swisscom published a complete climate report according to ISO 14064.
7 From Mobitool (www.mobitool.ch), car traffic, national 5-200 km, direct use, load 1.25, fuel consumption 5.8 litres per 100 km (2016), 5.8 (2017), 5.5 (2018).
8 According to publications “Pollutant Emissions from Road Transport, 1990 to 2035, FOEN, update 2010, annex 6, p. 91, 2010” and “Worksheet emissions factors combustion”, FOEN, 2005 .