UK electricity in December 2017
Day by day: how Great Britain made its electricity in December 2017.
In December 2017, gas made 39% of Britain's electricity, then wind (18%). Renewables made 24%, against 15% a year earlier; average carbon intensity 283 g/kWh.
Electricity generated each day, December 2017
GWh a day
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the numbers
- Nuclear
- Gas
- Hydro
- Imports
- Biomass
- Pumped storage
- Wind
- Solar
- Coal
- Other
Share of electricity, by source
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the numbers
Carbon intensity
g CO₂ per kWh, daily average
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the numbers
December 2017 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 11.1 TWh | 39.0% |
| Wind | 5,174 GWh | 18.1% |
| Nuclear | 5,008 GWh | 17.5% |
| Coal | 3,719 GWh | 13.0% |
| Imports | 1,434 GWh | 5.0% |
| Biomass | 1,149 GWh | 4.0% |
| Hydro | 399 GWh | 1.4% |
| Pumped storage | 248 GWh | 0.9% |
| Solar | 248 GWh | 0.9% |
| Other | 69.8 GWh | 0.2% |
| Renewable (wind, solar, hydro, biomass) | 24.4% | |
| Low carbon (renewable plus nuclear) | 41.9% |
Standout days
- Windiest day275.6 GWh of windFri, 8 December 2017
- Highest wind share33.9%Sun, 24 December 2017
- Sunniest day18.5 GWh of solarThu, 28 December 2017
- Cleanest day128 g/kWh averageSun, 24 December 2017
- Dirtiest day386 g/kWh averageTue, 12 December 2017
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Fri 1 Dec | 1,050 GWh | 15% | 43% | 14% | 2% | 345 g |
| Sat 2 Dec | 925 GWh | 11% | 44% | 17% | 1% | 344 g |
| Sun 3 Dec | 869 GWh | 12% | 41% | 18% | 1% | 335 g |
| Mon 4 Dec | 1,001 GWh | 11% | 43% | 16% | 1% | 360 g |
| Tue 5 Dec | 994 GWh | 18% | 38% | 16% | 0% | 333 g |
| Wed 6 Dec | 962 GWh | 26% | 32% | 17% | 0% | 283 g |
| Thu 7 Dec | 948 GWh | 28% | 30% | 17% | 1% | 248 g |
| Fri 8 Dec | 993 GWh | 28% | 28% | 15% | 2% | 271 g |
| Sat 9 Dec | 964 GWh | 16% | 40% | 15% | 1% | 336 g |
| Sun 10 Dec | 927 GWh | 10% | 44% | 15% | 0% | 345 g |
| Mon 11 Dec | 1,028 GWh | 12% | 44% | 14% | 1% | 362 g |
| Tue 12 Dec | 1,050 GWh | 12% | 43% | 13% | 1% | 386 g |
| Wed 13 Dec | 980 GWh | 24% | 32% | 15% | 0% | 320 g |
| Thu 14 Dec | 1,025 GWh | 19% | 38% | 14% | 1% | 320 g |
| Fri 15 Dec | 996 GWh | 20% | 41% | 15% | 1% | 288 g |
| Sat 16 Dec | 933 GWh | 12% | 45% | 16% | 1% | 315 g |
| Sun 17 Dec | 909 GWh | 19% | 37% | 17% | 0% | 289 g |
| Mon 18 Dec | 1,025 GWh | 9% | 44% | 16% | 2% | 350 g |
| Tue 19 Dec | 1,014 GWh | 11% | 46% | 16% | 1% | 354 g |
| Wed 20 Dec | 958 GWh | 10% | 49% | 17% | 0% | 337 g |
| Thu 21 Dec | 927 GWh | 7% | 51% | 18% | 0% | 347 g |
| Fri 22 Dec | 864 GWh | 9% | 49% | 20% | 0% | 296 g |
| Sat 23 Dec | 789 GWh | 29% | 33% | 22% | 1% | 161 g |
| Sun 24 Dec | 769 GWh | 34% | 26% | 23% | 0% | 128 g |
| Mon 25 Dec | 716 GWh | 28% | 29% | 26% | 0% | 142 g |
| Tue 26 Dec | 741 GWh | 22% | 34% | 25% | 2% | 167 g |
| Wed 27 Dec | 851 GWh | 27% | 32% | 21% | 1% | 199 g |
| Thu 28 Dec | 891 GWh | 20% | 38% | 20% | 2% | 235 g |
| Fri 29 Dec | 914 GWh | 21% | 41% | 20% | 1% | 229 g |
| Sat 30 Dec | 808 GWh | 23% | 35% | 22% | 1% | 193 g |
| Sun 31 Dec | 765 GWh | 33% | 25% | 23% | 1% | 146 g |