UK electricity in January 2023
Day by day: how Great Britain made its electricity in January 2023.
In January 2023, wind made 36% of Britain's electricity, then gas (28%). Renewables made 44%, against 36% a year earlier; average carbon intensity 140 g/kWh.
Electricity generated each day, January 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
January 2023 in total
| Source | Electricity | Share |
|---|---|---|
| Wind | 9,644 GWh | 36.2% |
| Gas | 7,362 GWh | 27.6% |
| Nuclear | 3,754 GWh | 14.1% |
| Imports | 2,848 GWh | 10.7% |
| Biomass | 1,175 GWh | 4.4% |
| Coal | 478 GWh | 1.8% |
| Hydro | 469 GWh | 1.8% |
| Solar | 426 GWh | 1.6% |
| Pumped storage | 260 GWh | 1.0% |
| Other | 224 GWh | 0.8% |
| Renewable (wind, solar, hydro, biomass) | 44.0% | |
| Low carbon (renewable plus nuclear) | 58.1% |
Standout days
- Windiest day480.3 GWh of windWed, 11 January 2023
- Highest wind share56.2%Sat, 7 January 2023
- Sunniest day27.7 GWh of solarFri, 20 January 2023
- Cleanest day55 g/kWh averageSat, 14 January 2023
- Dirtiest day251 g/kWh averageSat, 28 January 2023
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Sun 1 Jan | 690 GWh | 37% | 16% | 20% | 1% | 100 g |
| Mon 2 Jan | 719 GWh | 22% | 26% | 19% | 2% | 149 g |
| Tue 3 Jan | 818 GWh | 46% | 16% | 17% | 0% | 99 g |
| Wed 4 Jan | 825 GWh | 53% | 11% | 16% | 1% | 60 g |
| Thu 5 Jan | 814 GWh | 44% | 22% | 15% | 1% | 102 g |
| Fri 6 Jan | 823 GWh | 51% | 16% | 15% | 1% | 82 g |
| Sat 7 Jan | 761 GWh | 56% | 9% | 16% | 1% | 59 g |
| Sun 8 Jan | 795 GWh | 54% | 11% | 16% | 1% | 64 g |
| Mon 9 Jan | 853 GWh | 47% | 13% | 15% | 2% | 81 g |
| Tue 10 Jan | 869 GWh | 51% | 11% | 14% | 0% | 77 g |
| Wed 11 Jan | 881 GWh | 55% | 9% | 14% | 1% | 66 g |
| Thu 12 Jan | 843 GWh | 49% | 11% | 15% | 1% | 69 g |
| Fri 13 Jan | 859 GWh | 49% | 12% | 14% | 2% | 78 g |
| Sat 14 Jan | 779 GWh | 55% | 9% | 16% | 1% | 55 g |
| Sun 15 Jan | 814 GWh | 41% | 21% | 15% | 2% | 111 g |
| Mon 16 Jan | 902 GWh | 27% | 34% | 12% | 2% | 174 g |
| Tue 17 Jan | 940 GWh | 23% | 42% | 12% | 2% | 206 g |
| Wed 18 Jan | 981 GWh | 37% | 33% | 11% | 2% | 164 g |
| Thu 19 Jan | 988 GWh | 27% | 42% | 12% | 3% | 206 g |
| Fri 20 Jan | 939 GWh | 24% | 44% | 13% | 3% | 209 g |
| Sat 21 Jan | 844 GWh | 23% | 35% | 15% | 3% | 193 g |
| Sun 22 Jan | 836 GWh | 21% | 36% | 15% | 2% | 191 g |
| Mon 23 Jan | 925 GWh | 15% | 51% | 12% | 2% | 243 g |
| Tue 24 Jan | 907 GWh | 16% | 51% | 13% | 2% | 244 g |
| Wed 25 Jan | 980 GWh | 26% | 46% | 12% | 1% | 215 g |
| Thu 26 Jan | 930 GWh | 25% | 43% | 12% | 2% | 206 g |
| Fri 27 Jan | 893 GWh | 15% | 49% | 13% | 1% | 237 g |
| Sat 28 Jan | 817 GWh | 10% | 51% | 14% | 1% | 251 g |
| Sun 29 Jan | 779 GWh | 48% | 15% | 15% | 1% | 101 g |
| Mon 30 Jan | 903 GWh | 40% | 29% | 13% | 3% | 140 g |
| Tue 31 Jan | 935 GWh | 50% | 20% | 12% | 2% | 111 g |