| Internal training | Exterrnal training | Seminar | Overseas training | Self-education | others |
Headquaters | 12 | 0 | 2 | 2 | 0 | 0 |
Electric power busines | 459 | 411 | 0 | 0 | 4 | 3 |
Gas business | 55 | 103 | 0 | 0 | 0 | 0 |
Fuel business | 143 | 142 | 0 | 0 | 3 | 1 |
New energy business | 3 | 5 | 0 | 0 | 0 | 0 |
Summary | 672 | 661 | 2 | 2 | 7 | 4 |