UK electricity in December 2023
Day by day: how Great Britain made its electricity in December 2023.
In December 2023, wind made 40% of Britain's electricity, then gas (26%). Renewables made 48%, against 36% a year earlier; average carbon intensity 123 g/kWh.
Electricity generated each day, December 2023
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 2023 in total
| Source | Electricity | Share |
|---|---|---|
| Wind | 10.4 TWh | 40.1% |
| Gas | 6,738 GWh | 26.1% |
| Nuclear | 3,619 GWh | 14.0% |
| Imports | 2,205 GWh | 8.5% |
| Biomass | 1,497 GWh | 5.8% |
| Hydro | 390 GWh | 1.5% |
| Coal | 303 GWh | 1.2% |
| Other | 279 GWh | 1.1% |
| Pumped storage | 232 GWh | 0.9% |
| Solar | 220 GWh | 0.9% |
| Renewable (wind, solar, hydro, biomass) | 48.3% | |
| Low carbon (renewable plus nuclear) | 62.3% |
Standout days
- Windiest day500.9 GWh of windThu, 21 December 2023
- Highest wind share60.9%Sun, 24 December 2023
- Sunniest day20.3 GWh of solarFri, 1 December 2023
- Cleanest day41 g/kWh averageThu, 28 December 2023
- Dirtiest day285 g/kWh averageFri, 1 December 2023
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Fri 1 Dec | 963 GWh | 6% | 60% | 12% | 2% | 285 g |
| Sat 2 Dec | 879 GWh | 6% | 59% | 13% | 1% | 281 g |
| Sun 3 Dec | 862 GWh | 19% | 41% | 13% | 0% | 209 g |
| Mon 4 Dec | 908 GWh | 34% | 35% | 13% | 0% | 174 g |
| Tue 5 Dec | 874 GWh | 24% | 42% | 13% | 1% | 202 g |
| Wed 6 Dec | 930 GWh | 18% | 52% | 12% | 2% | 247 g |
| Thu 7 Dec | 1,004 GWh | 45% | 31% | 11% | 0% | 153 g |
| Fri 8 Dec | 884 GWh | 38% | 32% | 13% | 1% | 158 g |
| Sat 9 Dec | 796 GWh | 54% | 10% | 14% | 1% | 63 g |
| Sun 10 Dec | 786 GWh | 44% | 17% | 14% | 1% | 96 g |
| Mon 11 Dec | 865 GWh | 26% | 37% | 13% | 1% | 173 g |
| Tue 12 Dec | 890 GWh | 24% | 42% | 13% | 1% | 195 g |
| Wed 13 Dec | 802 GWh | 29% | 35% | 14% | 1% | 173 g |
| Thu 14 Dec | 923 GWh | 27% | 46% | 12% | 1% | 204 g |
| Fri 15 Dec | 878 GWh | 38% | 35% | 13% | 1% | 155 g |
| Sat 16 Dec | 800 GWh | 54% | 15% | 14% | 1% | 73 g |
| Sun 17 Dec | 812 GWh | 57% | 12% | 14% | 1% | 62 g |
| Mon 18 Dec | 869 GWh | 46% | 23% | 13% | 0% | 107 g |
| Tue 19 Dec | 857 GWh | 44% | 25% | 13% | 0% | 114 g |
| Wed 20 Dec | 872 GWh | 57% | 9% | 13% | 1% | 54 g |
| Thu 21 Dec | 861 GWh | 58% | 9% | 14% | 1% | 48 g |
| Fri 22 Dec | 797 GWh | 55% | 11% | 15% | 1% | 52 g |
| Sat 23 Dec | 767 GWh | 58% | 9% | 16% | 1% | 47 g |
| Sun 24 Dec | 757 GWh | 61% | 8% | 17% | 0% | 45 g |
| Mon 25 Dec | 677 GWh | 51% | 10% | 19% | 0% | 57 g |
| Tue 26 Dec | 689 GWh | 32% | 21% | 18% | 2% | 103 g |
| Wed 27 Dec | 786 GWh | 56% | 8% | 16% | 0% | 48 g |
| Thu 28 Dec | 800 GWh | 60% | 7% | 16% | 1% | 41 g |
| Fri 29 Dec | 789 GWh | 51% | 10% | 16% | 1% | 54 g |
| Sat 30 Dec | 741 GWh | 49% | 9% | 16% | 0% | 57 g |
| Sun 31 Dec | 732 GWh | 44% | 14% | 15% | 1% | 73 g |