5 years in figures

2017 2016 2015 2014 2013
Materials
Total material usage (t) 73 738  84 913 100 767  88 736 91 720
Metals (t) 55 416  59 898 73 285  65 363 69 991 
Sand (t) 13 493 18 399 20 915  16 445 16 537
Chemicals (t) 1 575  1 831*  5 025 5 447 3 865
Others (t) 3 255  3 601 1 542 1 481 1 327 
Energy
Total energy consumption (TJ) 1 477 1 471 1 539  1 475 1 613 
Electricity consumption (MWh) 131 960 139 363 142 819 140 713 143 833
Purchased electricity (MWh) 128 176 132 771
131 501
131 896 136 098
Generated electricity (MWh) 3 784  6 592
11 318
8 817
7 735
Sold electricity (MWh) 28 066 23 620
21 834
25 548
23 527
Heat consumption (MWh) 36 890 33 542
30 161
25 073
29 077
Light fuel oil (t) 4 327  3 918
4 801
4 461
4 765
Heavy fuel oils (t) 3 798  3 647 3 675  3 579
3 755
Natural gas (t) 8 393  8 614 9 750 8 721 9 806
Other fuels (t) 2 811  3 209 2 834 3 348
4 214
Water
Total water consumption
(1 000 m³)
12 749  8 444 6 971 7 774 7 534
Consumption of domestic water (1 000 m³) 631  613 703 683 744
Consumption of cooling water (1 000 m³) 12 118  7 831 6 268 7 091 6 790
Emissions
Emissions of nitrogen oxides (t) 534  500 553  519 549
Emissions of carbon dioxide (t) (direct) 27 998 57 355 63 441 57 477

59 631

Emissions of carbon dioxide (t) (indirect) 56 002 59 697 60 317 55 989 57 040
Emissions of carbon dioxide (t) (indirect - flights) 155 537**  168 571 ** 39 033 39 619 40 596
Emissions of sulphur oxides (t) 62  59 63 76 91
Emissions of total hydrocarbons (t) 131  116 145 87 130
Particulates (t) 8  9 9 9 10
Emissions of VOC (t) 36  30 40 40 49
Waste
Total waste (t) 32 580  50 020 52 037 46 829 44 741 
Non-hazardous waste (t) 28 928  42 663 44 864 39 409 33 623 
Hazardous waste (t) 3 651 7 357 7 173 7 420 11 118

* A substantial error in reporting classifications was corrected in 2016, meaning that the figure is not directly comparable to earlier years. 
** Includes indirect emissions from materials, energy, and flights from 2016. Pre-2016 figures only include emissions from flights.




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