| Discourse on development | Management courses | Professional courses | Job skill courses |
Headquaters | 4 | 12 | 0 | 0 |
Electric power business | 0 | 12 | 39 | 826 |
Gas business | 0 | 6 | 30 | 122 |
Fuel business | 0 | 14 | 45 | 232 |
New energy business | 0 | 0 | 6 | 2 |
Summary | 4 | 44 | 120 | 1182 |