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Annual Report 2023
Annual Report 2023
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En­vi­ron­mental key figures in Switzer­land

    Unit   2020   2021   2022   2023
                     
Land/buildings
Net floor space (NFS)   Million m2   0.91   0.88   0.84   0.81
                     
Paper con­sump­tion
Paper con­sump­tion   Tonnes   2,672   2,233   2,014   1,374
                     
Water/sewage
Water con­sump­tion   m3   130,647   111,801   139,954   151,123
                     
Waste
Amount of waste   Tonnes   4,461   4,163   4,148   4,104
                     
Mobility
Vehicles   Number   2,747   2,536   2,552   2,460
Kilometres driven   Million km   40.7   43.3   39.8   45.1
Average CO2 emissions   g per km   191   179   181   167.0
                     
Energy, electricity
Electrical energy con­sump­tion 1, 2   Terajoule   1,749   1,699   1,734   1,749
    GWh   486   472   482   486
Of which electricity for the heat pumps   GWh   1.1   1.4   1.2   1.3
Of which electricity for cooling (district cooling)   GWh   0.2   0.8   0.9   1.0
                     
Energy, thermal 3
Heating oil (incl. emergency power systems)   Terajoule   69.6   74.1   57.1   51.0
Natural gas   Terajoule   28.6   27.7   18.3   16.1
Biomass   Terajoule   1.1   1.3   1.0   1.0
District heating 4   Terajoule   37.9   46.0   35.7   34.4
Total thermal   Terajoule   137.2   149.2   112.1   102.5
                     
Energy, vehicle fuels 5
Petrol   Terajoule   13.3   14.5   15.4   19.4
Diesel fuel   Terajoule   90.5   89.5   81.2   81.4
Natural gas   Terajoule   0.3   –   –   –
Total vehicle fuels   Terajoule   104.1   104.0   96.6   100.8
                     
Energy, total
Energy con­sump­tion   Terajoule   1,991   1,952   1,942   1,953
    GWh   542   540   540   542
                     
Air emissions
CO2 eq. according to Scope 1 of the GHG Protocol   Tonnes   14,546   14,832   12,861   12,467
CO2 eq. according to Scope 2 of the GHG Protocol (‘market-based’)   Tonnes   –   –   –   –
CO2 eq. according to Scope 2 of the GHG Protocol (‘location-based’)   Tonnes   48,465   47,366   47,989   48,342
CO2 eq. according to Scope 3 of the GHG Protocol   Tonnes   361,349   329,330   312,569   306,980
Nitrous gases NOx 6   Tonnes   11.2   15.3   13.5   17.7
Sulphur dioxide SO2 7   Tonnes   0.9   0.9   0.7   0.4
1 Energy conversion: 1 terajoule (TJ) = 0.278 gigawatt hours (GWh).
2 Electricity 100% renewable (non-renewable share of the mix offset with certificates of origin).
3 The heating energy con­sump­tion is based on a forecast of monthly mea­sures of the con­sump­tion of 120 buildings from 2018 (with a total area share of 51% in 2023).
The delivery of heat is not included in the calculation of total energy con­sump­tion.
4 District heating 100% renewable (non-renewable share of the mix offset with certificates of origin).
5 The vehicle fuel con­sump­tion was adjusted from private use. The km driven, energy con­sump­tion and air emissions were adjusted accordingly.
6 Emissions factor NOx according to Mobitool v2.1 (car traffic, national 5–200 km, direct use, load factor 1.25) and v3.0 (average values for diesel and petrol) for mobility and based on the fact sheet ‘Emissionsfaktoren Feuerung’, FOEN, for firing using natural gas, heating oil and wood.
7 Emissions factor SOx according to ‘Pollutant Emissions from Road Transport 1990–2035’, FOEN, update 2010, Annex 6, p. 91 for mobility and based on the fact sheet ‘Emissionsfaktoren Feuerung’, FOEN, for firing using natural gas, heating oil and wood.