UK electricity in October 2021
Day by day: how Great Britain made its electricity in October 2021.
In October 2021, wind made 32% of Britain's electricity, then gas (31%). Renewables made 43%, against 36% a year earlier; average carbon intensity 148 g/kWh.
Electricity generated each day, October 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
October 2021 in total
| Source | Electricity | Share |
|---|---|---|
| Wind | 7,406 GWh | 31.6% |
| Gas | 7,296 GWh | 31.2% |
| Nuclear | 3,368 GWh | 14.4% |
| Imports | 2,259 GWh | 9.6% |
| Biomass | 1,586 GWh | 6.8% |
| Solar | 699 GWh | 3.0% |
| Hydro | 385 GWh | 1.6% |
| Pumped storage | 162 GWh | 0.7% |
| Other | 133 GWh | 0.6% |
| Coal | 124 GWh | 0.5% |
| Renewable (wind, solar, hydro, biomass) | 43.0% | |
| Low carbon (renewable plus nuclear) | 57.4% |
Standout days
- Windiest day366.8 GWh of windWed, 27 October 2021
- Highest wind share46.5%Sun, 24 October 2021
- Sunniest day40.9 GWh of solarThu, 21 October 2021
- Cleanest day72 g/kWh averageSun, 31 October 2021
- Dirtiest day239 g/kWh averageSat, 16 October 2021
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Fri 1 Oct | 736 GWh | 44% | 19% | 16% | 5% | 90 g |
| Sat 2 Oct | 706 GWh | 39% | 26% | 17% | 1% | 123 g |
| Sun 3 Oct | 694 GWh | 46% | 17% | 16% | 5% | 81 g |
| Mon 4 Oct | 773 GWh | 30% | 32% | 13% | 4% | 148 g |
| Tue 5 Oct | 781 GWh | 41% | 25% | 12% | 3% | 120 g |
| Wed 6 Oct | 779 GWh | 29% | 34% | 12% | 5% | 162 g |
| Thu 7 Oct | 767 GWh | 27% | 38% | 12% | 2% | 190 g |
| Fri 8 Oct | 749 GWh | 16% | 47% | 13% | 2% | 221 g |
| Sat 9 Oct | 683 GWh | 14% | 46% | 14% | 4% | 213 g |
| Sun 10 Oct | 681 GWh | 22% | 37% | 14% | 5% | 174 g |
| Mon 11 Oct | 747 GWh | 21% | 41% | 13% | 5% | 188 g |
| Tue 12 Oct | 782 GWh | 18% | 44% | 12% | 3% | 212 g |
| Wed 13 Oct | 786 GWh | 18% | 46% | 12% | 3% | 212 g |
| Thu 14 Oct | 781 GWh | 35% | 31% | 12% | 3% | 146 g |
| Fri 15 Oct | 775 GWh | 16% | 45% | 12% | 4% | 218 g |
| Sat 16 Oct | 702 GWh | 10% | 50% | 14% | 3% | 239 g |
| Sun 17 Oct | 691 GWh | 25% | 34% | 15% | 2% | 166 g |
| Mon 18 Oct | 767 GWh | 31% | 33% | 14% | 1% | 154 g |
| Tue 19 Oct | 770 GWh | 39% | 24% | 14% | 1% | 120 g |
| Wed 20 Oct | 791 GWh | 37% | 27% | 14% | 3% | 121 g |
| Thu 21 Oct | 812 GWh | 42% | 22% | 14% | 5% | 99 g |
| Fri 22 Oct | 814 GWh | 30% | 35% | 14% | 3% | 158 g |
| Sat 23 Oct | 721 GWh | 31% | 32% | 15% | 2% | 152 g |
| Sun 24 Oct | 716 GWh | 46% | 16% | 15% | 3% | 85 g |
| Mon 25 Oct | 787 GWh | 32% | 32% | 14% | 3% | 151 g |
| Tue 26 Oct | 784 GWh | 40% | 25% | 15% | 2% | 124 g |
| Wed 27 Oct | 802 GWh | 46% | 23% | 15% | 1% | 104 g |
| Thu 28 Oct | 786 GWh | 35% | 26% | 16% | 1% | 125 g |
| Fri 29 Oct | 757 GWh | 36% | 24% | 18% | 2% | 114 g |
| Sat 30 Oct | 735 GWh | 36% | 22% | 19% | 3% | 100 g |
| Sun 31 Oct | 764 GWh | 45% | 15% | 20% | 2% | 72 g |