UK electricity in May 2026
Day by day: how Great Britain made its electricity in May 2026.
In May 2026, wind made 25% of Britain's electricity, then gas (23%). Renewables made 45%, against 46% a year earlier; average carbon intensity 154 g/kWh.
Electricity generated each day, May 2026
GWh a day
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the numbers
- Nuclear
- Gas
- Hydro
- Imports
- Biomass
- Pumped storage
- Wind
- Solar
- 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
May 2026 in total
| Source | Electricity | Share |
|---|---|---|
| Wind | 5,554 GWh | 24.7% |
| Gas | 5,069 GWh | 22.5% |
| Imports | 4,199 GWh | 18.6% |
| Solar | 2,824 GWh | 12.5% |
| Nuclear | 2,453 GWh | 10.9% |
| Biomass | 1,619 GWh | 7.2% |
| Other | 511 GWh | 2.3% |
| Hydro | 189 GWh | 0.8% |
| Pumped storage | 100 GWh | 0.4% |
| Renewable (wind, solar, hydro, biomass) | 45.2% | |
| Low carbon (renewable plus nuclear) | 56.1% |
Standout days
- Windiest day421.4 GWh of windTue, 19 May 2026
- Highest wind share52.1%Tue, 19 May 2026
- Sunniest day128.8 GWh of solarSun, 24 May 2026
- Cleanest day91 g/kWh averageTue, 19 May 2026
- Dirtiest day205 g/kWh averageFri, 8 May 2026
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Fri 1 May | 737 GWh | 24% | 14% | 16% | 13% | 127 g |
| Sat 2 May | 667 GWh | 13% | 21% | 17% | 13% | 163 g |
| Sun 3 May | 663 GWh | 12% | 26% | 17% | 8% | 178 g |
| Mon 4 May | 708 GWh | 11% | 35% | 16% | 7% | 191 g |
| Tue 5 May | 768 GWh | 15% | 35% | 15% | 10% | 169 g |
| Wed 6 May | 777 GWh | 19% | 29% | 13% | 10% | 168 g |
| Thu 7 May | 803 GWh | 20% | 34% | 12% | 9% | 181 g |
| Fri 8 May | 770 GWh | 14% | 35% | 12% | 11% | 205 g |
| Sat 9 May | 660 GWh | 17% | 20% | 13% | 15% | 148 g |
| Sun 10 May | 672 GWh | 34% | 13% | 13% | 12% | 122 g |
| Mon 11 May | 768 GWh | 32% | 21% | 11% | 10% | 133 g |
| Tue 12 May | 760 GWh | 38% | 12% | 11% | 12% | 113 g |
| Wed 13 May | 751 GWh | 30% | 18% | 11% | 12% | 157 g |
| Thu 14 May | 763 GWh | 29% | 18% | 11% | 12% | 127 g |
| Fri 15 May | 783 GWh | 33% | 19% | 10% | 12% | 130 g |
| Sat 16 May | 680 GWh | 15% | 26% | 11% | 10% | 192 g |
| Sun 17 May | 669 GWh | 21% | 19% | 11% | 14% | 151 g |
| Mon 18 May | 748 GWh | 16% | 37% | 10% | 9% | 200 g |
| Tue 19 May | 809 GWh | 52% | 11% | 10% | 7% | 91 g |
| Wed 20 May | 778 GWh | 44% | 13% | 9% | 9% | 103 g |
| Thu 21 May | 748 GWh | 30% | 21% | 9% | 11% | 138 g |
| Fri 22 May | 743 GWh | 31% | 19% | 7% | 16% | 129 g |
| Sat 23 May | 668 GWh | 23% | 21% | 8% | 18% | 146 g |
| Sun 24 May | 652 GWh | 18% | 23% | 8% | 20% | 181 g |
| Mon 25 May | 691 GWh | 17% | 22% | 10% | 19% | 173 g |
| Tue 26 May | 761 GWh | 14% | 33% | 9% | 16% | 200 g |
| Wed 27 May | 736 GWh | 27% | 20% | 8% | 17% | 140 g |
| Thu 28 May | 760 GWh | 40% | 15% | 7% | 15% | 107 g |
| Fri 29 May | 734 GWh | 30% | 21% | 7% | 13% | 145 g |
| Sat 30 May | 650 GWh | 15% | 26% | 8% | 19% | 196 g |
| Sun 31 May | 642 GWh | 20% | 24% | 8% | 15% | 168 g |