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Environmental data

    2010 2009 2008 2007 2006
Materials          
  Total material usage (t) 100 896 129 320 113 772    
  Metals (t) 69 194 85 351 94 431    
  Sand (t) 20 739 27 157 12 515    
  Chemicals (t) 8 500 12 932 4 551    
  Others (t) 2 462 3 880 2 275    
Energy          
  Total energy consumption (TJ) 1 916 2 194 2 383 2 595 1 837
  Electricity consumption (MWh) 149 047 164 022 151 169 134 543 120 782
  Purchased electricity (MWh) 131 562 148 780 136 491 122 372 110 146
  Generated electricity (MWh) 17 485 15 242 14 678 12 171 10 637
  Sold electricity (MWh) 39 958 60 881 91 025 77 410 41 026
  Heat consumption (MWh) 41 401 37 060 50 193 40 085 104 381
  Light fuel oil (t) 3 623 5 662 5 432 5 816 6 825
  Heavy fuel oils (t) 9 020 15 652 22 145 16 237 8 147
  Natural gas (t) 12 347 11 792 11 160 22 379 10 300
  Other fuels (t) 3 729 3 326 1 711 1 380 145
Water          
  Total water consumption (1 000 m³) 10 292 8 128 11 712 11 160 5 794
  Consumption of domestic water (1 000 m³) 840 808 622 634 739
  Consumption of cooling water (1 000 m³) 9 452 7 320 11 090 10 526 5 055
Emissions          
  Emissions of nitrogen oxides (t) 826 1 290 1 633 1 348 945
  Emissions of carbon dioxide (t) (direct) 80 234 96 749 122 669 101 705 71 092
  Emissions of carbon dioxide (t) (indirect) 58 002 62 211 54 112    
  Emissions of carbon dioxide (t) (indirect - flights) 35 060 37 882 45 014    
  Emissions of sulphur oxides (t) 277 595 840 471 206
  Emissions of total hydrocarbons (t) 211 230 174 294 323
  Particulates (t) 19 28 65 30 13
  Emissions of VOC (t) 61 170 152 79 97
Waste          
  Total waste 43 566 55 803 40 209 39 614 34 821
  Non-hazardous waste (t) 38 391 49 946 35 055 32 142 29 513
  Hazardous waste (t) 5 175 5 857 5 154 7 472 5 308
  Waste for landfills (t) 21 682 20 752 6 807 7 749 6 185
  Waste for recycling (t) 14 221 26 332 25 133 21 520 21 131
  Waste for incineration (t) 2 542 2 862 3 115 2 873 2 197
  Hazardous waste for landfills (t) 1 127 852 694 520 1126
  Hazardous waste for recycling (t) 2 161 2 305 2 220 2 733 2 051
  Hazardous waste for incineration (t) 1 887 2 699 2 240 4 219 2 131
Compliance with legislation          
  Disturbances 8 8 3 8 18
  Non-compliance 3 0 8 10 0
  Complaints 5 7 15 6 7