Nuclear power is very carbon-efficient (tonnes CO2 emmitted / GWh produced) due to the large quantity of energy produced over the generator lifecycle. It's on par with wind power, and better than solar, according to World Nuclear Org.
| Lignite | 1054 |
| Coal | 888 |
| Oil | 733 |
| Natural Gas | 499 |
| SolarPV | 85 |
| Biomass | 45 |
| Nuclear | 29 |
| Hydroelectric | 26 |
| Wind | 26 |