UK electricity in May 2015
Day by day: how Great Britain made its electricity in May 2015.
In May 2015, gas made 27% of Britain's electricity, then nuclear (22%). Renewables made 17%, against 8% a year earlier; average carbon intensity 323 g/kWh.
Electricity generated each day, May 2015
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 2015 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 6,509 GWh | 27.2% |
| Nuclear | 5,375 GWh | 22.5% |
| Coal | 5,069 GWh | 21.2% |
| Wind | 2,753 GWh | 11.5% |
| Imports | 1,993 GWh | 8.3% |
| Solar | 960 GWh | 4.0% |
| Other | 703 GWh | 2.9% |
| Hydro | 339 GWh | 1.4% |
| Pumped storage | 230 GWh | 1.0% |
| Renewable (wind, solar, hydro, biomass) | 16.9% | |
| Low carbon (renewable plus nuclear) | 39.4% |
Standout days
- Windiest day145.8 GWh of windTue, 5 May 2015
- Highest wind share19.6%Sun, 31 May 2015
- Sunniest day43.4 GWh of solarSat, 16 May 2015
- Cleanest day250 g/kWh averageSun, 31 May 2015
- Dirtiest day403 g/kWh averageFri, 1 May 2015
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Fri 1 May | 836 GWh | 4% | 32% | 20% | 4% | 403 g |
| Sat 2 May | 749 GWh | 14% | 21% | 22% | 3% | 344 g |
| Sun 3 May | 717 GWh | 19% | 22% | 23% | 3% | 263 g |
| Mon 4 May | 726 GWh | 12% | 24% | 23% | 5% | 317 g |
| Tue 5 May | 818 GWh | 18% | 24% | 20% | 3% | 314 g |
| Wed 6 May | 831 GWh | 17% | 26% | 20% | 3% | 312 g |
| Thu 7 May | 852 GWh | 8% | 33% | 18% | 4% | 371 g |
| Fri 8 May | 838 GWh | 5% | 35% | 19% | 2% | 403 g |
| Sat 9 May | 736 GWh | 11% | 23% | 23% | 4% | 340 g |
| Sun 10 May | 702 GWh | 15% | 22% | 24% | 4% | 311 g |
| Mon 11 May | 790 GWh | 18% | 25% | 22% | 5% | 280 g |
| Tue 12 May | 802 GWh | 17% | 24% | 22% | 5% | 300 g |
| Wed 13 May | 822 GWh | 4% | 32% | 22% | 5% | 380 g |
| Thu 14 May | 841 GWh | 9% | 31% | 21% | 2% | 363 g |
| Fri 15 May | 814 GWh | 8% | 29% | 22% | 4% | 344 g |
| Sat 16 May | 700 GWh | 16% | 20% | 25% | 6% | 267 g |
| Sun 17 May | 689 GWh | 14% | 22% | 26% | 5% | 270 g |
| Mon 18 May | 809 GWh | 11% | 29% | 22% | 3% | 330 g |
| Tue 19 May | 820 GWh | 14% | 26% | 22% | 4% | 320 g |
| Wed 20 May | 825 GWh | 10% | 30% | 21% | 4% | 331 g |
| Thu 21 May | 816 GWh | 9% | 29% | 22% | 5% | 341 g |
| Fri 22 May | 798 GWh | 9% | 30% | 22% | 3% | 347 g |
| Sat 23 May | 713 GWh | 4% | 30% | 25% | 5% | 340 g |
| Sun 24 May | 672 GWh | 12% | 24% | 26% | 4% | 306 g |
| Mon 25 May | 705 GWh | 8% | 27% | 25% | 3% | 331 g |
| Tue 26 May | 784 GWh | 8% | 33% | 23% | 5% | 326 g |
| Wed 27 May | 787 GWh | 9% | 31% | 23% | 5% | 321 g |
| Thu 28 May | 776 GWh | 16% | 26% | 23% | 5% | 275 g |
| Fri 29 May | 781 GWh | 11% | 30% | 23% | 3% | 313 g |
| Sat 30 May | 703 GWh | 9% | 26% | 25% | 6% | 297 g |
| Sun 31 May | 682 GWh | 20% | 21% | 26% | 3% | 250 g |