Performance data

Natural capital – The environment

            External assurance+
  2017 2016 2015 2014 2013 Level of assurance
Production performance            
Total production (External Sales) (kilotons)8 18 472 18 806 19 490* 22 050 23 696 Reasonable
Greenhouse gases (GHG)9 (kilotons)            
Direct methane (CH4) 111 119 117 120 118 Reasonable
Nitrous Oxide (N2O) 0,51 0,45 0,77 0,89 0,61 Reasonable
Direct carbon dioxide (CO2) Scope 1 57 281 58 329 58 786 60 530 60 942 Reasonable
Indirect carbon dioxide (CO2) Scope 2 7 659 8 046 8 065 8 726 9 012 Reasonable
Indirect carbon dioxide (CO2) Scope 310 0,78 0,52 0,75 0,76 412 Reasonable
Total greenhouse gas (CO2 equivalent) 67 632 69 250 69 772 72 275 73 053 Reasonable
GHG intensity (CO2 equivalent/ton product) 3,66 3,68 3,58* 3,28 2,98 Reasonable
Atmospheric emissions (kilotons)            
Nitrogen oxides (NOx) 152 156 157 159 158 Reasonable
Sulphur oxides (SOx) 202 223 208 223 215 Reasonable
VOC indicator of performance11 41,0 46,2 46,5 47,6 47,5  
Particulates (fly ash) 10,0 9,8 11,7 19,3 17,5 Reasonable
Waste (kilotons)12            
Hazardous waste 348 323 320 382 303 Limited
Non-hazardous waste 154 175 162 189 262 Limited
Total waste 502 498 482 571 1 032 Limited
Recycled waste 151 70 76 89 546  
Energy use (thousand gigajoules)13            
Electricity (purchased) 28 064 28 810 28 747 31 337 31 423  
Feedstock to electricity (self-generated)14 26 708 33 367 30 350 48 490 38 691  
Feedstock to steam 261 403 271 416 280 383 276 703 281 309  
Mobile fuel use15 521 346 609 671 859  
Stationary fuel use 3,6 3,3 35 4 NR  
Fuel gas 67 106 66 261 61 786 57 230 68 828  
Other energy use 13 038 12 770 11 928 10 821 6 691  
Total energy use 396 844 412 973 413 838 425 257 427 801 Reasonable
Material use (kiloton)16            
Coal (dry ash-free basis) 17 961 17 963 17 674 17 556 17 896  
Crude oil processed (kilotons) 4 379 4 529 4 457 4 133 3 392  
Crude oil processed (mm bbl) 32,33 33,44 32,90 30,51 25,05  
Nitrogen from air 583 528 718 1 356 3 527  
Oxygen from air 12 873 12 747 12 711 14 907 15 017  
Natural gas (kilotons) 2 007 2 099 2 800 3 949 3 616  
Natural gas (bscf)17 96,91 101,35 135,20 190,69 174,61  
Other (eg chemicals, feedstock) 4 123 5 841 5 136 6 357 6 892  
Total material use 41 926 43 708 43 496 48 259 50 340 Reasonable
Water (thousand cubic meters)            
Total water use 137 061 138 622 135 458 149 552 147 001 Limited
Liquid effluent 29 313 27 544 28 573 35 833 33 307  
Water recycled 178 420 174 704 196 682 186 751 145 466 Limited
Land and biodiversity (hectares)18            
Surface area affected by operations 11 344 11 470 6 629 5 245 4 518  
Area dedicated to conservation 5 743 5 792 5 333 5 335 2 324  
Land use and mining (hectare)            
Underground mining area19 29 514 28 877 28 168 27 459 26 748  
Legal compliance20            
Fines, penalties and settlements (number) 1 0 0 0 7  
Fines, penalties and settlements (US$m) 0,018 0 0 0 0,04  

Footnotes are explained here.

Reporting legend

Integrated Report
Annual Financial Statements
Sustainability Reporting
Form 20-F