UK electricity in April 2021
Day by day: how Great Britain made its electricity in April 2021.
In April 2021, gas made 44% of Britain's electricity, then wind (16%). Renewables made 30%, against 38% a year earlier; average carbon intensity 195 g/kWh.
Electricity generated each day, April 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
April 2021 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 10.3 TWh | 44.1% |
| Wind | 3,718 GWh | 15.9% |
| Nuclear | 3,576 GWh | 15.3% |
| Imports | 1,917 GWh | 8.2% |
| Solar | 1,652 GWh | 7.1% |
| Biomass | 1,377 GWh | 5.9% |
| Hydro | 320 GWh | 1.4% |
| Coal | 191 GWh | 0.8% |
| Pumped storage | 165 GWh | 0.7% |
| Other | 147 GWh | 0.6% |
| Renewable (wind, solar, hydro, biomass) | 30.2% | |
| Low carbon (renewable plus nuclear) | 45.6% |
Standout days
- Windiest day362.8 GWh of windMon, 5 April 2021
- Highest wind share48.6%Mon, 5 April 2021
- Sunniest day79.8 GWh of solarThu, 22 April 2021
- Cleanest day66 g/kWh averageMon, 5 April 2021
- Dirtiest day267 g/kWh averageTue, 13 April 2021
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Thu 1 Apr | 745 GWh | 26% | 34% | 16% | 5% | 144 g |
| Fri 2 Apr | 717 GWh | 21% | 35% | 16% | 7% | 149 g |
| Sat 3 Apr | 712 GWh | 19% | 37% | 17% | 6% | 153 g |
| Sun 4 Apr | 681 GWh | 32% | 24% | 17% | 10% | 109 g |
| Mon 5 Apr | 747 GWh | 49% | 14% | 16% | 8% | 66 g |
| Tue 6 Apr | 835 GWh | 41% | 23% | 14% | 6% | 99 g |
| Wed 7 Apr | 866 GWh | 23% | 40% | 14% | 5% | 173 g |
| Thu 8 Apr | 859 GWh | 36% | 34% | 14% | 4% | 152 g |
| Fri 9 Apr | 805 GWh | 20% | 42% | 15% | 5% | 176 g |
| Sat 10 Apr | 751 GWh | 12% | 47% | 16% | 5% | 202 g |
| Sun 11 Apr | 752 GWh | 12% | 43% | 16% | 7% | 185 g |
| Mon 12 Apr | 839 GWh | 7% | 51% | 16% | 6% | 244 g |
| Tue 13 Apr | 845 GWh | 2% | 54% | 17% | 7% | 267 g |
| Wed 14 Apr | 842 GWh | 3% | 54% | 16% | 6% | 260 g |
| Thu 15 Apr | 831 GWh | 8% | 54% | 15% | 7% | 242 g |
| Fri 16 Apr | 800 GWh | 7% | 49% | 15% | 7% | 239 g |
| Sat 17 Apr | 727 GWh | 8% | 49% | 16% | 10% | 217 g |
| Sun 18 Apr | 721 GWh | 8% | 50% | 16% | 9% | 220 g |
| Mon 19 Apr | 797 GWh | 6% | 56% | 14% | 9% | 260 g |
| Tue 20 Apr | 795 GWh | 5% | 59% | 14% | 8% | 262 g |
| Wed 21 Apr | 791 GWh | 16% | 49% | 14% | 7% | 215 g |
| Thu 22 Apr | 795 GWh | 8% | 51% | 14% | 10% | 222 g |
| Fri 23 Apr | 757 GWh | 7% | 50% | 15% | 10% | 221 g |
| Sat 24 Apr | 685 GWh | 14% | 41% | 18% | 11% | 176 g |
| Sun 25 Apr | 687 GWh | 17% | 39% | 19% | 10% | 163 g |
| Mon 26 Apr | 787 GWh | 14% | 47% | 16% | 9% | 200 g |
| Tue 27 Apr | 770 GWh | 15% | 48% | 15% | 5% | 209 g |
| Wed 28 Apr | 800 GWh | 25% | 43% | 14% | 4% | 182 g |
| Thu 29 Apr | 823 GWh | 15% | 48% | 14% | 6% | 207 g |
| Fri 30 Apr | 802 GWh | 5% | 54% | 14% | 6% | 242 g |