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Environmental performance indicators in Switzerland

    Unit   2013   2014   2015
                 
Land/buildings                
Net floor space (NFS)   million of m2   0.92   0.92   0.92
                 
Paper consumption                
Total paper consumption   Tonnes   4,759   7,449   5,401
                 
Water/sewage                
Water consumption 1   m3   475,701   183,537   183,654
                 
Energy, electricity                
Electrical energy consumption 2   Terajoule   1,435   1,470   1,563
    GWh   399   408   434
                 
Energy, heating 3                
Heating oil   Terajoule   155.2   122.7   109.4
Natural gas   Terajoule   25.2   26.4   24.4
District heating   Terajoule   27.3   22.9   36.7
Heating, total   Terajoule   207.7   172.0   170.5
                 
Energy, fuel 4                
Petrol   Terajoule   22.2   16.4   15.9
Diesel fuel   Terajoule   126.4   129.8   125.0
Natural gas   Terajoule   1.0   2.9   2.6
Total fuel   Terajoule   149.1   149.1   143.5
Vehicles   Number   3,628   3,377   3,693
Kilometers driven   million of km   62.3   62.7   59.5
Average carbon dioxide CO2 emission 5   g per km   123.0   117.0   113.0
                 
Energy, total                
Energy consumption   Terajoule   1,791   1,791   1,877
    GWh   498   498   521
                 
Air emissions                
Carbon dioxide CO2-eq from the consumption of fossil energies 6   Tonnes   23,835   21,380   20,115
Nitrous gases NOx 7   Tonnes   22.0   21.1   19.6
Sulphur dioxide SO2 8   Tonnes   5.2   4.1   3.7
                 
Waste                
Total amount of waste   Tonnes   3,226   3,727   5,117
1 The water consumption is extrapolated on the basis of the average rate of 115 litre per FTE per day, resp. 40 from 2014 on.
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 (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.
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 6.23 litres per 100 km (2013), 6.01 (2014), 6.00 (2015)
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 (in german).