UK electricity in May 2019
Day by day: how Great Britain made its electricity in May 2019.
In May 2019, gas made 42% of Britain's electricity, then nuclear (20%). Renewables made 27%, against 28% a year earlier; average carbon intensity 186 g/kWh.
Electricity generated each day, May 2019
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 2019 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 9,529 GWh | 41.8% |
| Nuclear | 4,546 GWh | 19.9% |
| Wind | 2,976 GWh | 13.0% |
| Imports | 2,406 GWh | 10.5% |
| Solar | 1,552 GWh | 6.8% |
| Biomass | 1,543 GWh | 6.8% |
| Hydro | 132 GWh | 0.6% |
| Pumped storage | 86.0 GWh | 0.4% |
| Other | 21.6 GWh | 0.1% |
| Coal | 20.8 GWh | 0.1% |
| Renewable (wind, solar, hydro, biomass) | 27.2% | |
| Low carbon (renewable plus nuclear) | 47.1% |
Standout days
- Windiest day223.7 GWh of windSat, 4 May 2019
- Highest wind share34.4%Sun, 26 May 2019
- Sunniest day77.0 GWh of solarMon, 13 May 2019
- Cleanest day84 g/kWh averageSun, 26 May 2019
- Dirtiest day240 g/kWh averageWed, 1 May 2019
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Wed 1 May | 786 GWh | 3% | 55% | 20% | 4% | 240 g |
| Thu 2 May | 798 GWh | 11% | 47% | 19% | 5% | 208 g |
| Fri 3 May | 785 GWh | 14% | 44% | 20% | 4% | 200 g |
| Sat 4 May | 717 GWh | 31% | 23% | 21% | 9% | 110 g |
| Sun 5 May | 697 GWh | 19% | 36% | 22% | 6% | 161 g |
| Mon 6 May | 725 GWh | 8% | 49% | 21% | 5% | 215 g |
| Tue 7 May | 793 GWh | 4% | 56% | 19% | 6% | 240 g |
| Wed 8 May | 804 GWh | 25% | 39% | 19% | 3% | 170 g |
| Thu 9 May | 799 GWh | 14% | 50% | 19% | 4% | 212 g |
| Fri 10 May | 806 GWh | 3% | 55% | 19% | 6% | 239 g |
| Sat 11 May | 720 GWh | 8% | 43% | 21% | 8% | 198 g |
| Sun 12 May | 684 GWh | 4% | 43% | 22% | 10% | 196 g |
| Mon 13 May | 737 GWh | 7% | 44% | 21% | 10% | 194 g |
| Tue 14 May | 755 GWh | 7% | 48% | 20% | 10% | 203 g |
| Wed 15 May | 758 GWh | 8% | 44% | 19% | 10% | 198 g |
| Thu 16 May | 763 GWh | 19% | 33% | 19% | 9% | 165 g |
| Fri 17 May | 756 GWh | 16% | 41% | 19% | 3% | 190 g |
| Sat 18 May | 678 GWh | 6% | 46% | 20% | 5% | 212 g |
| Sun 19 May | 665 GWh | 4% | 46% | 21% | 6% | 211 g |
| Mon 20 May | 752 GWh | 6% | 51% | 18% | 7% | 221 g |
| Tue 21 May | 757 GWh | 8% | 48% | 18% | 9% | 208 g |
| Wed 22 May | 756 GWh | 10% | 45% | 18% | 9% | 201 g |
| Thu 23 May | 747 GWh | 17% | 36% | 19% | 9% | 166 g |
| Fri 24 May | 733 GWh | 15% | 37% | 20% | 8% | 168 g |
| Sat 25 May | 659 GWh | 9% | 37% | 23% | 9% | 175 g |
| Sun 26 May | 635 GWh | 34% | 15% | 24% | 6% | 84 g |
| Mon 27 May | 645 GWh | 20% | 30% | 23% | 7% | 137 g |
| Tue 28 May | 737 GWh | 9% | 44% | 20% | 7% | 194 g |
| Wed 29 May | 743 GWh | 15% | 42% | 19% | 4% | 190 g |
| Thu 30 May | 721 GWh | 29% | 26% | 19% | 6% | 124 g |
| Fri 31 May | 700 GWh | 25% | 30% | 18% | 6% | 142 g |