UK electricity in August 2021
Day by day: how Great Britain made its electricity in August 2021.
In August 2021, gas made 36% of Britain's electricity, then wind (19%). Renewables made 31%, against 33% a year earlier; average carbon intensity 180 g/kWh.
Electricity generated each day, August 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
August 2021 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 7,626 GWh | 35.7% |
| Wind | 3,991 GWh | 18.7% |
| Nuclear | 3,295 GWh | 15.4% |
| Imports | 3,169 GWh | 14.8% |
| Biomass | 1,303 GWh | 6.1% |
| Solar | 1,264 GWh | 5.9% |
| Coal | 325 GWh | 1.5% |
| Other | 160 GWh | 0.7% |
| Hydro | 131 GWh | 0.6% |
| Pumped storage | 115 GWh | 0.5% |
| Renewable (wind, solar, hydro, biomass) | 31.3% | |
| Low carbon (renewable plus nuclear) | 46.7% |
Standout days
- Windiest day296.6 GWh of windFri, 13 August 2021
- Highest wind share42.7%Fri, 13 August 2021
- Sunniest day64.8 GWh of solarWed, 4 August 2021
- Cleanest day107 g/kWh averageFri, 13 August 2021
- Dirtiest day237 g/kWh averageThu, 19 August 2021
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Sun 1 Aug | 631 GWh | 9% | 42% | 14% | 6% | 216 g |
| Mon 2 Aug | 697 GWh | 4% | 47% | 15% | 6% | 236 g |
| Tue 3 Aug | 712 GWh | 3% | 45% | 14% | 8% | 236 g |
| Wed 4 Aug | 711 GWh | 7% | 40% | 14% | 9% | 222 g |
| Thu 5 Aug | 709 GWh | 30% | 25% | 14% | 5% | 152 g |
| Fri 6 Aug | 691 GWh | 37% | 23% | 14% | 7% | 127 g |
| Sat 7 Aug | 645 GWh | 34% | 24% | 15% | 6% | 127 g |
| Sun 8 Aug | 627 GWh | 40% | 21% | 16% | 6% | 109 g |
| Mon 9 Aug | 699 GWh | 19% | 35% | 14% | 7% | 178 g |
| Tue 10 Aug | 717 GWh | 8% | 43% | 14% | 8% | 217 g |
| Wed 11 Aug | 711 GWh | 18% | 35% | 14% | 7% | 200 g |
| Thu 12 Aug | 704 GWh | 27% | 28% | 14% | 7% | 161 g |
| Fri 13 Aug | 695 GWh | 43% | 16% | 14% | 7% | 107 g |
| Sat 14 Aug | 642 GWh | 25% | 30% | 15% | 7% | 162 g |
| Sun 15 Aug | 628 GWh | 19% | 33% | 16% | 7% | 175 g |
| Mon 16 Aug | 709 GWh | 32% | 29% | 14% | 5% | 131 g |
| Tue 17 Aug | 717 GWh | 32% | 29% | 14% | 3% | 141 g |
| Wed 18 Aug | 735 GWh | 24% | 35% | 14% | 5% | 161 g |
| Thu 19 Aug | 726 GWh | 6% | 48% | 14% | 5% | 237 g |
| Fri 20 Aug | 713 GWh | 7% | 47% | 14% | 4% | 225 g |
| Sat 21 Aug | 654 GWh | 10% | 45% | 16% | 3% | 212 g |
| Sun 22 Aug | 652 GWh | 8% | 44% | 17% | 6% | 206 g |
| Mon 23 Aug | 729 GWh | 10% | 44% | 16% | 6% | 208 g |
| Tue 24 Aug | 732 GWh | 10% | 43% | 16% | 7% | 212 g |
| Wed 25 Aug | 726 GWh | 11% | 42% | 17% | 6% | 200 g |
| Thu 26 Aug | 723 GWh | 22% | 32% | 17% | 6% | 152 g |
| Fri 27 Aug | 705 GWh | 11% | 42% | 18% | 5% | 198 g |
| Sat 28 Aug | 648 GWh | 16% | 32% | 20% | 8% | 156 g |
| Sun 29 Aug | 622 GWh | 19% | 31% | 20% | 6% | 157 g |
| Mon 30 Aug | 653 GWh | 22% | 33% | 19% | 3% | 163 g |
| Tue 31 Aug | 718 GWh | 19% | 39% | 17% | 3% | 184 g |