| Technology | Low | High | Mean |
| Tonnes CO2e/GWh | |||
| Lignite | 790 | 1372 | 1054 |
| Coal | 756 | 1310 | 888 |
| Oil | 547 | 935 | 733 |
| Natural Gas | 362 | 891 | 499 |
| Solar PV | 13 | 731 | 85 |
| Biomass | 10 | 101 | 45 |
| Nuclear | 2 | 130 | 29 |
| Hydroelectric | 2 | 237 | 26 |
| Wind | 6 | 124 | 26 |