| Energy | GWh | Percentage % |
|---|---|---|
| CEB Thermal (Coal) | 18.06 | 43.18 |
| CEB Thermal (Oil) | 3.52 | 8.41 |
| IPP Thermal (Oil) | 0.02 | 0.06 |
| Laxapana Complex Hydro | 4.19 | 10.01 |
| Mahaweli Complex Hydro | 11.68 | 27.92 |
| Samanala Wewa | 0.96 | 2.3 |
| Kukule Ganga | 1.76 | 4.2 |
| CEB (Small Hydro) | 0.08 | 0.19 |
| Wind | 1.13 | 2.7 |
