Key figures environment

Environmental impact


Environmental impact
2017
UBP
2018
UBP
Deviation
%
Electricity 101,50797,762 -3.7
Combustibles 104,97198,070 -6.6
Fuels 15,58016,532 6.1
Disposal 4,1563,844 -7.5
Solvents 1,2881,165 -9.5
Water and waste water 2,5212,489 -1.3
Total environmental impact 230,023219,862 -4.4
UBP = Ecopoints in million UBP in accordance with the Swiss Ecological Scarcity Method (version 2013)

Material usage


Material usage
2017
Metric tons
2018
Metric tons
Deviation
%
Raw material plastics 72,77673,276 0.7
Raw material metal 62,81666,010 5.1
Raw material mineral 182,047176,211 -3.2
Other raw materials 3,9183,457 -11.8
Semi-finished products 46,14043,168 -6.4
Finished products 46,94047,451 1.1
Total material usage 414,637409,573 -1.2

Energy consumption


Energy consumption

Unit

2017

2018
Deviation
%
Electricity GWh 227.4224.1 -1.5
District heating GWh 13.213.3 1.4
Combustibles    
Natural gas m3  45,589,53843,076,216 -5.5
Biogas m3  869,343809,171 -6.9
Liquified petroleum gas (LPG) Metric tons 6,209.05,635.0 -9.2
Diesel for electricity generation l 49,99336,019 -28.0
Heating oil extra light Metric tons 16.17.6 -53.0
Solid fuels Metric tons 1,958.71,307.1 -33.3
Fuels  
Gasoline l 169,288242,845 43.5
Diesel l 2,454,3162,557,879 4.2
Liquified petroleum gas (LPG) kg 160,568165,684 3.2
Natural gas (CNG) kg 8,0054,847 -39.4

Energy consumption
2017
TJ
2018
TJ
Deviation
%
Electricity 818.6806.7 -1.5
District heating 47.348.0 1.4
Combustibles 2,015.31,882.9 -6.4
Natural gas 1,659.51,567.9 -5.5
Biogas 31.629.5 -6.9
Liquified petroleum gas (LPG) 287.5260.9 -9.2
Diesel for electricity generation 1.81.3 -28.0
Heating oil extra light 0.70.3 -53.0
Solid fuels 34.223.0 -33.3
Fuels (gasoline, diesel, LPG, CNG) 101.4107.4 6.0
Total energy consumption 2,982.62,845.0 -4.6

Electricity mix


Electricity mix 2018

GWh
Renewable
%
Fossil
%
Nuclear
%
Others
%
Europe 159.7 24.3 54.8 19.5 1.4
USA 6.6 9.6 70.3 19.4 0.7
China 5.9 19.1 78.8 2.1 0.0
India 1.8 16.4 81.8 1.8 0.0
Green electricity 50.1 100.0 0.0 0.0 0.0
Total electricity mix 224.1 40.6 43.8 14.6 1.0

Electricity mix 2017

GWh
Renewable
%
Fossil
%
Nuclear
%
Others
%
Europe 166.0 23.8 54.7 20.2 1.3
USA 6.7 9.7 70.2 19.4 0.7
China 5.9 19.1 78.8 2.1 0.0
India 1.7 16.4 81.8 1.8 0.0
Green electricity 47.1 100.0 0.0 0.0 0.0
Total electricity mix 227.4 39.0 44.6 15.4 1.0

Water and waste water


Water
2017
m3
2018
m3
Deviation
%
Drinking water 313,114271,311 -13.4
Well water 539,477517,658 -4.0
River and lake water 267,948232,096 -13.4
Rain water 9,35411,436 22.3
Total water 1,129,8931,032,501 -8.6

Waste water
2017
m3
2018
m3
Deviation
%
Domestic waste water 201,903201,427 -0.2
Process water ceramic 585,566583,883 -0.3
Other waste water 24,30022,846 -6.0
Total waste water 811,769808,156 -0.4

Emissions


CO2 emissions
2017
Metric tons
2018
Metric tons
Deviation
%
from combustibles (Scope 1) 118,975111,291 -6.5
from fuels (Scope 1) 7,4667,927 6.2
from process emissions (Scope 1) 542229 -57.8
from electricity (Scope 2) 115,752111,973 -3.3
from district heating (Scope 2) 6164 3.9
Total CO2 emissions 242,796231,484 -4.7
Calculation of CO2 emissions according to IPCC 2013

Air emissions
  2017
Kilogram
2018
Kilogram
Deviation
%
NOx  direct 59,75155,858 -6.5
  indirect 156,009151,373 -3.0
  Total NOx  215,760207,231 -4.0
SO2  direct 1,5491,468 -5.2
  indirect 302,954293,364 -3.2
  Total SO2  304,503294,832 -3.2
NMVOC direct 83,15184,086 1.1
  indirect 20,13519,471 -3.3
  Total NMVOC 103,286103,557 0.3
Dust (PM10) direct 2,1421,578 -26.4
  indirect 32,68531,720 -3.0
  Total dust 34,82733,298 -4.4
CFC11 equivalents direct 0.40.4 5.4
  indirect 9.39.0 -3.7
  Total CFC11 equivalents 9.79.4 -3.1
Calculation based on Ecoinvent data version 3.1

Waste


Waste
2017
Metric tons
2018
Metric tons
Deviation
%
to incineration 1,4321,434 0.2
to inert waste landfill 19,72618,082 -8.3
to mixed waste landfill 882933 5.8
to external recycling 58,41862,260 6.6
to hazardous waste incineration 896777 -13.4
to hazardous waste recycling 599588 -1.8
Total waste 81,95384,074 2.6

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