| Fuel type | 2014 | 2015 | 2016 | 2017 | 2018 | 2018 % |
|---|---|---|---|---|---|---|
| Biomass | 7.1 TWh | 10.8 TWh | 13.5 TWh | 13.8 TWh | 16.1 TWh | 5.4%5.4 |
| Coal | 96.7 TWh | 74.5 TWh | 28.0 TWh | 20.6 TWh | 15.4 TWh | 5.1%5.1 |
| Fossil Fuels | 183.5 TWh | 158.9 TWh | 155.4 TWh | 139.9 TWh | 130.8 TWh | 43.7%43.7 |
| Hinkley Point C (under construction) | 27 TWh in 2025 | % | ||||
| Low Carbon | 104.2 TWh | 121.5 TWh | 123.9 TWh | 138.3 TWh | 143.2 TWh | 47.9%47.9 |
| Natural Gas | 86.8 TWh | 84.4 TWh | 127.3 TWh | 119.3 TWh | 115.4 TWh | 38.6%38.6 |
| Net Imports | 19.5 TWh | 20.8 TWh | 17.9 TWh | 15.6 TWh | 19.3 TWh | 6.4%6.4 |
| Nuclear | 59.8 TWh | 65.7 TWh | 66.8 TWh | 65.6 TWh | 60.7 TWh | 20.3%20.3 |
| Renewables | 44.4 TWh | 55.8 TWh | 57.1 TWh | 72.7 TWh | 82.6 TWh | 27.6%27.6 |
| Solar | 5.0 TWh | 8.4 TWh | 9.6 TWh | 10.4 TWh | 11.6 TWh | 3.9%3.9 |
| Wind | 28.4 TWh | 32.5 TWh | 30.6 TWh | 44.6 TWh | 51.7 TWh | 17.3%17.3 |
