UK electricity in June 2021
Day by day: how Great Britain made its electricity in June 2021.
In June 2021, gas made 36% of Britain's electricity, then nuclear (18%). Renewables made 31%, against 38% a year earlier; average carbon intensity 170 g/kWh.
Electricity generated each day, June 2021
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
June 2021 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 7,543 GWh | 35.6% |
| Nuclear | 3,825 GWh | 18.0% |
| Wind | 3,348 GWh | 15.8% |
| Imports | 2,741 GWh | 12.9% |
| Solar | 1,609 GWh | 7.6% |
| Biomass | 1,586 GWh | 7.5% |
| Coal | 185 GWh | 0.9% |
| Other | 133 GWh | 0.6% |
| Pumped storage | 124 GWh | 0.6% |
| Hydro | 118 GWh | 0.6% |
| Renewable (wind, solar, hydro, biomass) | 31.4% | |
| Low carbon (renewable plus nuclear) | 49.4% |
Standout days
- Windiest day226.2 GWh of windFri, 11 June 2021
- Highest wind share31.2%Fri, 11 June 2021
- Sunniest day82.0 GWh of solarTue, 1 June 2021
- Cleanest day114 g/kWh averageFri, 11 June 2021
- Dirtiest day230 g/kWh averageMon, 28 June 2021
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Tue 1 Jun | 726 GWh | 18% | 34% | 18% | 11% | 145 g |
| Wed 2 Jun | 733 GWh | 25% | 32% | 18% | 9% | 135 g |
| Thu 3 Jun | 718 GWh | 18% | 36% | 19% | 7% | 156 g |
| Fri 4 Jun | 714 GWh | 12% | 39% | 19% | 9% | 171 g |
| Sat 5 Jun | 649 GWh | 8% | 37% | 20% | 11% | 164 g |
| Sun 6 Jun | 643 GWh | 4% | 42% | 21% | 8% | 183 g |
| Mon 7 Jun | 719 GWh | 9% | 42% | 20% | 9% | 187 g |
| Tue 8 Jun | 711 GWh | 13% | 33% | 20% | 11% | 155 g |
| Wed 9 Jun | 737 GWh | 21% | 29% | 19% | 9% | 141 g |
| Thu 10 Jun | 737 GWh | 26% | 27% | 19% | 6% | 136 g |
| Fri 11 Jun | 724 GWh | 31% | 23% | 19% | 6% | 114 g |
| Sat 12 Jun | 656 GWh | 20% | 26% | 21% | 11% | 122 g |
| Sun 13 Jun | 643 GWh | 19% | 25% | 22% | 11% | 123 g |
| Mon 14 Jun | 733 GWh | 25% | 26% | 19% | 8% | 124 g |
| Tue 15 Jun | 725 GWh | 15% | 34% | 19% | 11% | 166 g |
| Wed 16 Jun | 748 GWh | 17% | 34% | 18% | 10% | 154 g |
| Thu 17 Jun | 734 GWh | 8% | 44% | 19% | 5% | 209 g |
| Fri 18 Jun | 737 GWh | 18% | 36% | 19% | 4% | 176 g |
| Sat 19 Jun | 657 GWh | 13% | 36% | 21% | 6% | 173 g |
| Sun 20 Jun | 647 GWh | 13% | 37% | 21% | 5% | 174 g |
| Mon 21 Jun | 727 GWh | 23% | 34% | 15% | 4% | 162 g |
| Tue 22 Jun | 742 GWh | 17% | 36% | 14% | 8% | 182 g |
| Wed 23 Jun | 730 GWh | 6% | 43% | 14% | 10% | 223 g |
| Thu 24 Jun | 734 GWh | 12% | 42% | 15% | 6% | 208 g |
| Fri 25 Jun | 711 GWh | 22% | 31% | 15% | 5% | 175 g |
| Sat 26 Jun | 639 GWh | 10% | 39% | 17% | 8% | 199 g |
| Sun 27 Jun | 647 GWh | 16% | 37% | 16% | 5% | 188 g |
| Mon 28 Jun | 715 GWh | 8% | 46% | 15% | 4% | 230 g |
| Tue 29 Jun | 742 GWh | 10% | 45% | 15% | 6% | 217 g |
| Wed 30 Jun | 734 GWh | 13% | 41% | 15% | 6% | 201 g |