UK electricity in January 2025
Day by day: how Great Britain made its electricity in January 2025.
In January 2025, gas made 38% of Britain's electricity, then wind (27%). Renewables made 36%, against 42% a year earlier; average carbon intensity 168 g/kWh.
Electricity generated each day, January 2025
GWh a day
tap the chart for values
the numbers
- Nuclear
- Gas
- Hydro
- Imports
- Biomass
- Pumped storage
- Wind
- Solar
- Other
Share of electricity, by source
tap the chart for values
the numbers
Carbon intensity
g CO₂ per kWh, daily average
tap the chart for values
the numbers
January 2025 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 10.9 TWh | 38.3% |
| Wind | 7,591 GWh | 26.7% |
| Imports | 3,352 GWh | 11.8% |
| Nuclear | 3,266 GWh | 11.5% |
| Biomass | 1,814 GWh | 6.4% |
| Solar | 464 GWh | 1.6% |
| Hydro | 441 GWh | 1.5% |
| Other | 435 GWh | 1.5% |
| Pumped storage | 199 GWh | 0.7% |
| Renewable (wind, solar, hydro, biomass) | 36.2% | |
| Low carbon (renewable plus nuclear) | 47.7% |
Standout days
- Windiest day424.3 GWh of windFri, 24 January 2025
- Highest wind share52.9%Wed, 1 January 2025
- Sunniest day41.0 GWh of solarThu, 30 January 2025
- Cleanest day57 g/kWh averageWed, 1 January 2025
- Dirtiest day269 g/kWh averageWed, 22 January 2025
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Wed 1 Jan | 781 GWh | 53% | 11% | 16% | 0% | 57 g |
| Thu 2 Jan | 869 GWh | 32% | 25% | 14% | 3% | 113 g |
| Fri 3 Jan | 916 GWh | 29% | 31% | 13% | 3% | 133 g |
| Sat 4 Jan | 844 GWh | 16% | 45% | 14% | 1% | 195 g |
| Sun 5 Jan | 837 GWh | 35% | 22% | 14% | 0% | 102 g |
| Mon 6 Jan | 947 GWh | 44% | 21% | 13% | 1% | 92 g |
| Tue 7 Jan | 991 GWh | 38% | 26% | 12% | 2% | 113 g |
| Wed 8 Jan | 987 GWh | 17% | 45% | 12% | 1% | 194 g |
| Thu 9 Jan | 1,021 GWh | 25% | 42% | 11% | 3% | 185 g |
| Fri 10 Jan | 982 GWh | 11% | 50% | 12% | 2% | 225 g |
| Sat 11 Jan | 912 GWh | 9% | 51% | 12% | 2% | 220 g |
| Sun 12 Jan | 888 GWh | 18% | 45% | 13% | 1% | 197 g |
| Mon 13 Jan | 1,001 GWh | 40% | 35% | 10% | 1% | 152 g |
| Tue 14 Jan | 967 GWh | 29% | 44% | 10% | 1% | 186 g |
| Wed 15 Jan | 931 GWh | 21% | 53% | 10% | 2% | 224 g |
| Thu 16 Jan | 935 GWh | 24% | 50% | 9% | 2% | 212 g |
| Fri 17 Jan | 936 GWh | 26% | 49% | 9% | 1% | 208 g |
| Sat 18 Jan | 870 GWh | 20% | 53% | 10% | 1% | 227 g |
| Sun 19 Jan | 879 GWh | 9% | 60% | 10% | 0% | 259 g |
| Mon 20 Jan | 946 GWh | 8% | 62% | 9% | 1% | 268 g |
| Tue 21 Jan | 955 GWh | 10% | 59% | 9% | 1% | 258 g |
| Wed 22 Jan | 930 GWh | 2% | 60% | 10% | 1% | 269 g |
| Thu 23 Jan | 944 GWh | 31% | 35% | 10% | 1% | 161 g |
| Fri 24 Jan | 919 GWh | 46% | 18% | 11% | 2% | 85 g |
| Sat 25 Jan | 853 GWh | 39% | 19% | 12% | 4% | 91 g |
| Sun 26 Jan | 859 GWh | 48% | 13% | 12% | 1% | 73 g |
| Mon 27 Jan | 917 GWh | 43% | 17% | 12% | 2% | 86 g |
| Tue 28 Jan | 905 GWh | 37% | 24% | 12% | 1% | 108 g |
| Wed 29 Jan | 909 GWh | 35% | 24% | 12% | 2% | 119 g |
| Thu 30 Jan | 929 GWh | 25% | 36% | 11% | 4% | 166 g |
| Fri 31 Jan | 899 GWh | 11% | 51% | 11% | 2% | 232 g |