UK electricity in May 2011
Day by day: how Great Britain made its electricity in May 2011.
In May 2011, gas made 44% of Britain's electricity, then nuclear (24%). Renewables made 5%, against 1% a year earlier; average carbon intensity 389 g/kWh.
Electricity generated each day, May 2011
GWh a day
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the numbers
- Nuclear
- Gas
- Hydro
- Imports
- Pumped storage
- Wind
- Coal
Share of electricity, by source
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the numbers
Carbon intensity
g CO₂ per kWh, daily average
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May 2011 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 11.0 TWh | 44.4% |
| Nuclear | 6,042 GWh | 24.3% |
| Coal | 5,838 GWh | 23.5% |
| Wind | 1,056 GWh | 4.2% |
| Imports | 439 GWh | 1.8% |
| Hydro | 251 GWh | 1.0% |
| Pumped storage | 204 GWh | 0.8% |
| Renewable (wind, solar, hydro, biomass) | 5.3% | |
| Low carbon (renewable plus nuclear) | 29.5% |
Standout days
- Windiest day51.9 GWh of windSat, 28 May 2011
- Highest wind share7.1%Sat, 28 May 2011
- Sunniest day0.0 GWh of solarSun, 1 May 2011
- Cleanest day306 g/kWh averageSun, 1 May 2011
- Dirtiest day439 g/kWh averageWed, 4 May 2011
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Sun 1 May | 682 GWh | 6% | 45% | 29% | 0% | 306 g |
| Mon 2 May | 708 GWh | 5% | 50% | 28% | 0% | 328 g |
| Tue 3 May | 835 GWh | 2% | 49% | 23% | 0% | 402 g |
| Wed 4 May | 865 GWh | 2% | 51% | 20% | 0% | 439 g |
| Thu 5 May | 861 GWh | 2% | 50% | 19% | 0% | 435 g |
| Fri 6 May | 841 GWh | 3% | 51% | 20% | 0% | 416 g |
| Sat 7 May | 753 GWh | 3% | 54% | 23% | 0% | 348 g |
| Sun 8 May | 719 GWh | 4% | 52% | 24% | 0% | 335 g |
| Mon 9 May | 828 GWh | 4% | 50% | 23% | 0% | 379 g |
| Tue 10 May | 854 GWh | 5% | 47% | 23% | 0% | 392 g |
| Wed 11 May | 858 GWh | 3% | 45% | 24% | 0% | 425 g |
| Thu 12 May | 854 GWh | 5% | 43% | 24% | 0% | 411 g |
| Fri 13 May | 837 GWh | 3% | 42% | 24% | 0% | 430 g |
| Sat 14 May | 740 GWh | 6% | 38% | 27% | 0% | 380 g |
| Sun 15 May | 708 GWh | 5% | 37% | 29% | 0% | 360 g |
| Mon 16 May | 844 GWh | 5% | 39% | 24% | 0% | 411 g |
| Tue 17 May | 867 GWh | 3% | 43% | 24% | 0% | 424 g |
| Wed 18 May | 872 GWh | 6% | 42% | 23% | 0% | 413 g |
| Thu 19 May | 876 GWh | 3% | 43% | 23% | 0% | 430 g |
| Fri 20 May | 852 GWh | 4% | 42% | 23% | 0% | 427 g |
| Sat 21 May | 735 GWh | 6% | 40% | 25% | 0% | 387 g |
| Sun 22 May | 699 GWh | 7% | 39% | 27% | 0% | 348 g |
| Mon 23 May | 835 GWh | 6% | 43% | 24% | 0% | 392 g |
| Tue 24 May | 835 GWh | 6% | 43% | 24% | 0% | 390 g |
| Wed 25 May | 849 GWh | 3% | 44% | 24% | 0% | 410 g |
| Thu 26 May | 842 GWh | 4% | 43% | 24% | 0% | 401 g |
| Fri 27 May | 826 GWh | 4% | 44% | 24% | 0% | 387 g |
| Sat 28 May | 728 GWh | 7% | 37% | 28% | 0% | 347 g |
| Sun 29 May | 697 GWh | 7% | 39% | 30% | 0% | 309 g |
| Mon 30 May | 753 GWh | 2% | 44% | 28% | 0% | 372 g |
| Tue 31 May | 824 GWh | 2% | 44% | 24% | 0% | 410 g |