UK electricity in May 2017
Day by day: how Great Britain made its electricity in May 2017.
In May 2017, gas made 40% of Britain's electricity, then nuclear (24%). Renewables made 18%, against 17% a year earlier; average carbon intensity 211 g/kWh.
Electricity generated each day, May 2017
GWh a day
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the numbers
- Nuclear
- Gas
- Hydro
- Imports
- 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 2017 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 9,497 GWh | 40.4% |
| Nuclear | 5,671 GWh | 24.1% |
| Wind | 2,766 GWh | 11.8% |
| Imports | 1,865 GWh | 7.9% |
| Other | 1,475 GWh | 6.3% |
| Solar | 1,425 GWh | 6.1% |
| Coal | 478 GWh | 2.0% |
| Pumped storage | 223 GWh | 0.9% |
| Hydro | 119 GWh | 0.5% |
| Renewable (wind, solar, hydro, biomass) | 18.3% | |
| Low carbon (renewable plus nuclear) | 42.4% |
Standout days
- Windiest day170.5 GWh of windMon, 15 May 2017
- Highest wind share21.7%Mon, 15 May 2017
- Sunniest day76.2 GWh of solarFri, 26 May 2017
- Cleanest day169 g/kWh averageSun, 28 May 2017
- Dirtiest day276 g/kWh averageWed, 17 May 2017
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Mon 1 May | 733 GWh | 18% | 37% | 24% | 5% | 182 g |
| Tue 2 May | 819 GWh | 8% | 49% | 21% | 6% | 242 g |
| Wed 3 May | 814 GWh | 17% | 44% | 20% | 5% | 220 g |
| Thu 4 May | 814 GWh | 20% | 36% | 20% | 6% | 193 g |
| Fri 5 May | 784 GWh | 21% | 32% | 22% | 8% | 175 g |
| Sat 6 May | 723 GWh | 17% | 37% | 24% | 4% | 186 g |
| Sun 7 May | 700 GWh | 11% | 38% | 25% | 7% | 196 g |
| Mon 8 May | 805 GWh | 15% | 39% | 21% | 6% | 206 g |
| Tue 9 May | 819 GWh | 4% | 50% | 21% | 5% | 259 g |
| Wed 10 May | 810 GWh | 3% | 49% | 21% | 9% | 251 g |
| Thu 11 May | 800 GWh | 8% | 47% | 21% | 6% | 238 g |
| Fri 12 May | 796 GWh | 11% | 48% | 21% | 4% | 237 g |
| Sat 13 May | 691 GWh | 16% | 36% | 25% | 6% | 185 g |
| Sun 14 May | 679 GWh | 16% | 33% | 25% | 9% | 170 g |
| Mon 15 May | 784 GWh | 22% | 39% | 23% | 2% | 180 g |
| Tue 16 May | 792 GWh | 20% | 39% | 22% | 4% | 190 g |
| Wed 17 May | 811 GWh | 6% | 50% | 21% | 2% | 276 g |
| Thu 18 May | 799 GWh | 4% | 48% | 23% | 6% | 264 g |
| Fri 19 May | 785 GWh | 6% | 44% | 24% | 5% | 245 g |
| Sat 20 May | 699 GWh | 9% | 35% | 29% | 6% | 203 g |
| Sun 21 May | 676 GWh | 12% | 29% | 30% | 9% | 176 g |
| Mon 22 May | 777 GWh | 13% | 35% | 26% | 8% | 190 g |
| Tue 23 May | 790 GWh | 9% | 42% | 26% | 6% | 220 g |
| Wed 24 May | 787 GWh | 7% | 43% | 25% | 8% | 223 g |
| Thu 25 May | 783 GWh | 4% | 43% | 25% | 9% | 232 g |
| Fri 26 May | 765 GWh | 15% | 33% | 25% | 10% | 191 g |
| Sat 27 May | 667 GWh | 17% | 32% | 30% | 6% | 175 g |
| Sun 28 May | 646 GWh | 12% | 31% | 31% | 7% | 169 g |
| Mon 29 May | 689 GWh | 9% | 43% | 29% | 3% | 212 g |
| Tue 30 May | 742 GWh | 12% | 40% | 27% | 5% | 217 g |
| Wed 31 May | 741 GWh | 6% | 43% | 27% | 7% | 227 g |