UK electricity in December 2018
Day by day: how Great Britain made its electricity in December 2018.
In December 2018, gas made 39% of Britain's electricity, then wind (21%). Renewables made 29%, against 24% a year earlier; average carbon intensity 214 g/kWh.
Electricity generated each day, December 2018
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 2018 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 10.5 TWh | 39.1% |
| Wind | 5,568 GWh | 20.8% |
| Nuclear | 4,896 GWh | 18.3% |
| Imports | 1,917 GWh | 7.2% |
| Biomass | 1,646 GWh | 6.1% |
| Coal | 1,403 GWh | 5.2% |
| Hydro | 436 GWh | 1.6% |
| Solar | 222 GWh | 0.8% |
| Pumped storage | 183 GWh | 0.7% |
| Other | 46.1 GWh | 0.2% |
| Renewable (wind, solar, hydro, biomass) | 29.4% | |
| Low carbon (renewable plus nuclear) | 47.6% |
Standout days
- Windiest day315.8 GWh of windFri, 7 December 2018
- Highest wind share36.3%Fri, 7 December 2018
- Sunniest day14.6 GWh of solarMon, 17 December 2018
- Cleanest day129 g/kWh averageSat, 8 December 2018
- Dirtiest day307 g/kWh averageTue, 4 December 2018
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Sat 1 Dec | 824 GWh | 19% | 38% | 18% | 0% | 215 g |
| Sun 2 Dec | 778 GWh | 23% | 36% | 19% | 1% | 193 g |
| Mon 3 Dec | 908 GWh | 19% | 40% | 16% | 1% | 228 g |
| Tue 4 Dec | 954 GWh | 5% | 52% | 16% | 1% | 307 g |
| Wed 5 Dec | 961 GWh | 16% | 43% | 17% | 0% | 257 g |
| Thu 6 Dec | 901 GWh | 25% | 36% | 18% | 0% | 192 g |
| Fri 7 Dec | 871 GWh | 36% | 26% | 19% | 1% | 135 g |
| Sat 8 Dec | 809 GWh | 35% | 26% | 20% | 1% | 129 g |
| Sun 9 Dec | 814 GWh | 28% | 30% | 20% | 2% | 143 g |
| Mon 10 Dec | 951 GWh | 11% | 45% | 17% | 1% | 268 g |
| Tue 11 Dec | 930 GWh | 12% | 45% | 17% | 1% | 271 g |
| Wed 12 Dec | 948 GWh | 25% | 40% | 17% | 1% | 230 g |
| Thu 13 Dec | 958 GWh | 31% | 34% | 16% | 1% | 203 g |
| Fri 14 Dec | 976 GWh | 23% | 42% | 16% | 1% | 243 g |
| Sat 15 Dec | 890 GWh | 34% | 31% | 17% | 0% | 164 g |
| Sun 16 Dec | 872 GWh | 22% | 37% | 17% | 1% | 224 g |
| Mon 17 Dec | 965 GWh | 21% | 40% | 15% | 2% | 234 g |
| Tue 18 Dec | 924 GWh | 32% | 31% | 15% | 0% | 189 g |
| Wed 19 Dec | 923 GWh | 22% | 38% | 15% | 1% | 227 g |
| Thu 20 Dec | 915 GWh | 23% | 38% | 16% | 1% | 206 g |
| Fri 21 Dec | 872 GWh | 16% | 42% | 18% | 1% | 235 g |
| Sat 22 Dec | 793 GWh | 26% | 33% | 20% | 1% | 180 g |
| Sun 23 Dec | 806 GWh | 9% | 48% | 20% | 0% | 266 g |
| Mon 24 Dec | 833 GWh | 6% | 51% | 19% | 1% | 277 g |
| Tue 25 Dec | 747 GWh | 12% | 45% | 22% | 0% | 229 g |
| Wed 26 Dec | 728 GWh | 14% | 43% | 23% | 1% | 212 g |
| Thu 27 Dec | 818 GWh | 6% | 50% | 20% | 1% | 262 g |
| Fri 28 Dec | 822 GWh | 14% | 45% | 20% | 1% | 226 g |
| Sat 29 Dec | 773 GWh | 29% | 32% | 21% | 1% | 148 g |
| Sun 30 Dec | 767 GWh | 22% | 40% | 22% | 0% | 182 g |
| Mon 31 Dec | 775 GWh | 28% | 32% | 21% | 0% | 165 g |