2015 | 2017 | 2018 | 2019 | 2020 | 2021 | |
---|---|---|---|---|---|---|
Total number | 1 920 | 2 010 | 1 999 | 2 004 | 1 999 | 2 155 |
by source of power | ||||||
electric | 777 | 844 | 843 | 886 | 878 | 977 |
diesel | 1 110 | 1 132 | 1 120 | 1 082 | 1 088 | 1 145 |
steam | 33 | 34 | 36 | 36 | 33 | 33 |
Total tractive power (MW) | 3 230 | 3 571 | 3 687 | 3 850 | 3 745 | 4 493 |
by source of power | ||||||
electric | 2 283 | 2 611 | 2 742 | 2 940 | 2 867 | 3 547 |
diesel | 922 | 934 | 918 | 874 | 852 | 920 |
steam | 25 | 26 | 28 | 36 | 26 | 26 |
Source: MD