UK electricity in May 2018
Day by day: how Great Britain made its electricity in May 2018.
In May 2018, gas made 39% of Britain's electricity, then nuclear (22%). Renewables made 28%, against 18% a year earlier; average carbon intensity 186 g/kWh.
Electricity generated each day, May 2018
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
May 2018 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 9,038 GWh | 39.3% |
| Nuclear | 5,088 GWh | 22.1% |
| Wind | 3,000 GWh | 13.0% |
| Imports | 1,953 GWh | 8.5% |
| Solar | 1,691 GWh | 7.3% |
| Biomass | 1,518 GWh | 6.6% |
| Coal | 249 GWh | 1.1% |
| Hydro | 211 GWh | 0.9% |
| Pumped storage | 187 GWh | 0.8% |
| Other | 76.8 GWh | 0.3% |
| Renewable (wind, solar, hydro, biomass) | 27.9% | |
| Low carbon (renewable plus nuclear) | 50.0% |
Standout days
- Windiest day222.1 GWh of windWed, 2 May 2018
- Highest wind share26.7%Wed, 2 May 2018
- Sunniest day74.9 GWh of solarSat, 19 May 2018
- Cleanest day115 g/kWh averageSun, 27 May 2018
- Dirtiest day233 g/kWh averageThu, 31 May 2018
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Tue 1 May | 831 GWh | 24% | 32% | 21% | 7% | 170 g |
| Wed 2 May | 831 GWh | 27% | 31% | 20% | 5% | 161 g |
| Thu 3 May | 818 GWh | 15% | 40% | 21% | 6% | 199 g |
| Fri 4 May | 791 GWh | 10% | 46% | 22% | 6% | 214 g |
| Sat 5 May | 695 GWh | 12% | 33% | 25% | 10% | 159 g |
| Sun 6 May | 656 GWh | 8% | 34% | 27% | 11% | 169 g |
| Mon 7 May | 681 GWh | 6% | 39% | 26% | 10% | 187 g |
| Tue 8 May | 771 GWh | 11% | 41% | 23% | 8% | 192 g |
| Wed 9 May | 769 GWh | 14% | 37% | 23% | 6% | 183 g |
| Thu 10 May | 768 GWh | 12% | 38% | 23% | 9% | 175 g |
| Fri 11 May | 753 GWh | 25% | 28% | 23% | 5% | 142 g |
| Sat 12 May | 703 GWh | 5% | 44% | 24% | 6% | 210 g |
| Sun 13 May | 675 GWh | 5% | 40% | 24% | 9% | 197 g |
| Mon 14 May | 761 GWh | 13% | 40% | 21% | 10% | 184 g |
| Tue 15 May | 777 GWh | 12% | 41% | 21% | 9% | 191 g |
| Wed 16 May | 774 GWh | 19% | 39% | 21% | 5% | 179 g |
| Thu 17 May | 782 GWh | 10% | 43% | 20% | 9% | 204 g |
| Fri 18 May | 769 GWh | 4% | 51% | 19% | 9% | 227 g |
| Sat 19 May | 687 GWh | 9% | 40% | 21% | 11% | 187 g |
| Sun 20 May | 661 GWh | 16% | 32% | 22% | 10% | 155 g |
| Mon 21 May | 761 GWh | 8% | 46% | 19% | 8% | 214 g |
| Tue 22 May | 752 GWh | 17% | 38% | 19% | 9% | 174 g |
| Wed 23 May | 751 GWh | 14% | 39% | 20% | 8% | 185 g |
| Thu 24 May | 771 GWh | 10% | 46% | 19% | 5% | 210 g |
| Fri 25 May | 749 GWh | 11% | 45% | 20% | 3% | 212 g |
| Sat 26 May | 657 GWh | 22% | 26% | 24% | 8% | 146 g |
| Sun 27 May | 653 GWh | 27% | 22% | 25% | 9% | 115 g |
| Mon 28 May | 679 GWh | 8% | 39% | 25% | 8% | 191 g |
| Tue 29 May | 752 GWh | 18% | 38% | 23% | 4% | 175 g |
| Wed 30 May | 762 GWh | 7% | 51% | 23% | 2% | 222 g |
| Thu 31 May | 773 GWh | 3% | 51% | 24% | 4% | 233 g |