UK electricity in December 2015
Day by day: how Great Britain made its electricity in December 2015.
In December 2015, gas made 27% of Britain's electricity, then nuclear (23%). Renewables made 19%, against 15% a year earlier; average carbon intensity 290 g/kWh.
Electricity generated each day, December 2015
GWh a day
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the numbers
- Nuclear
- Gas
- Hydro
- Imports
- 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 2015 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 7,021 GWh | 26.6% |
| Nuclear | 6,137 GWh | 23.3% |
| Coal | 4,649 GWh | 17.6% |
| Wind | 4,257 GWh | 16.1% |
| Imports | 1,872 GWh | 7.1% |
| Other | 1,431 GWh | 5.4% |
| Hydro | 626 GWh | 2.4% |
| Pumped storage | 241 GWh | 0.9% |
| Solar | 143 GWh | 0.5% |
| Renewable (wind, solar, hydro, biomass) | 19.1% | |
| Low carbon (renewable plus nuclear) | 42.3% |
Standout days
- Windiest day175.6 GWh of windTue, 22 December 2015
- Highest wind share22.1%Sat, 19 December 2015
- Sunniest day12.0 GWh of solarTue, 29 December 2015
- Cleanest day208 g/kWh averageSat, 26 December 2015
- Dirtiest day382 g/kWh averageMon, 14 December 2015
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Tue 1 Dec | 937 GWh | 13% | 29% | 21% | 0% | 353 g |
| Wed 2 Dec | 929 GWh | 14% | 26% | 21% | 1% | 358 g |
| Thu 3 Dec | 932 GWh | 11% | 27% | 21% | 0% | 375 g |
| Fri 4 Dec | 900 GWh | 19% | 23% | 22% | 1% | 307 g |
| Sat 5 Dec | 827 GWh | 19% | 23% | 25% | 0% | 279 g |
| Sun 6 Dec | 796 GWh | 15% | 27% | 26% | 0% | 281 g |
| Mon 7 Dec | 904 GWh | 15% | 25% | 23% | 1% | 334 g |
| Tue 8 Dec | 906 GWh | 18% | 23% | 23% | 1% | 305 g |
| Wed 9 Dec | 934 GWh | 17% | 25% | 22% | 1% | 331 g |
| Thu 10 Dec | 938 GWh | 17% | 29% | 22% | 0% | 311 g |
| Fri 11 Dec | 929 GWh | 17% | 26% | 22% | 0% | 314 g |
| Sat 12 Dec | 864 GWh | 9% | 31% | 23% | 0% | 352 g |
| Sun 13 Dec | 864 GWh | 4% | 34% | 24% | 0% | 377 g |
| Mon 14 Dec | 973 GWh | 4% | 39% | 21% | 0% | 382 g |
| Tue 15 Dec | 955 GWh | 10% | 34% | 20% | 0% | 354 g |
| Wed 16 Dec | 907 GWh | 14% | 32% | 19% | 0% | 324 g |
| Thu 17 Dec | 892 GWh | 19% | 28% | 19% | 0% | 297 g |
| Fri 18 Dec | 875 GWh | 18% | 27% | 20% | 0% | 290 g |
| Sat 19 Dec | 776 GWh | 22% | 25% | 24% | 0% | 226 g |
| Sun 20 Dec | 759 GWh | 22% | 22% | 25% | 1% | 224 g |
| Mon 21 Dec | 876 GWh | 19% | 30% | 21% | 0% | 255 g |
| Tue 22 Dec | 862 GWh | 20% | 27% | 22% | 0% | 249 g |
| Wed 23 Dec | 836 GWh | 20% | 25% | 24% | 1% | 234 g |
| Thu 24 Dec | 794 GWh | 22% | 21% | 26% | 1% | 225 g |
| Fri 25 Dec | 719 GWh | 15% | 23% | 29% | 0% | 241 g |
| Sat 26 Dec | 682 GWh | 21% | 17% | 31% | 0% | 208 g |
| Sun 27 Dec | 730 GWh | 13% | 25% | 29% | 1% | 266 g |
| Mon 28 Dec | 740 GWh | 22% | 22% | 27% | 1% | 226 g |
| Tue 29 Dec | 765 GWh | 20% | 22% | 26% | 2% | 235 g |
| Wed 30 Dec | 797 GWh | 20% | 25% | 24% | 0% | 241 g |
| Thu 31 Dec | 782 GWh | 18% | 25% | 25% | 1% | 247 g |