| Year | Production | Consumption | ||||
| Raw coal | Natural gas | Hydro power | Raw coal | Natural gas | Hydro power | |
| 2006 | 83.5 | 0.1 | 16.4 | 73.2 | 0．2 | 8.0 |
| 2007 | 87.2 | 0.3 | 12.5 | 75.9 | 0.3 | 5.6 |
| 2008 | 87.0 | 0.2 | 12.8 | 73.7 | 0.6 | 5.7 |
| 2009 | 89.1 | 0.2 | 10.7 | 73.8 | 0.5 | 4.7 |
| 2010 | 86.1 | 0.2 | 13.7 | 74.4 | 1.0 | 4.8 |