UK electricity in May 2009
Day by day: how Great Britain made its electricity in May 2009.
In May 2009, gas made 46% of Britain's electricity, then coal (25%). Renewables made 3%; average carbon intensity 410 g/kWh.
Electricity generated each day, May 2009
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 2009 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 11.6 TWh | 46.0% |
| Coal | 6,311 GWh | 25.0% |
| Nuclear | 5,079 GWh | 20.2% |
| Imports | 1,301 GWh | 5.2% |
| Wind | 407 GWh | 1.6% |
| Pumped storage | 286 GWh | 1.1% |
| Hydro | 230 GWh | 0.9% |
| Renewable (wind, solar, hydro, biomass) | 2.5% | |
| Low carbon (renewable plus nuclear) | 22.7% |
Standout days
- Windiest day31.4 GWh of windThu, 7 May 2009
- Highest wind share3.6%Thu, 7 May 2009
- Sunniest day0.0 GWh of solarFri, 1 May 2009
- Cleanest day321 g/kWh averageSun, 31 May 2009
- Dirtiest day484 g/kWh averageTue, 19 May 2009
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Fri 1 May | 858 GWh | 2% | 46% | 21% | 0% | 398 g |
| Sat 2 May | 755 GWh | 2% | 50% | 23% | 0% | 355 g |
| Sun 3 May | 714 GWh | 2% | 51% | 26% | 0% | 330 g |
| Mon 4 May | 765 GWh | 3% | 49% | 24% | 0% | 375 g |
| Tue 5 May | 871 GWh | 2% | 46% | 20% | 0% | 422 g |
| Wed 6 May | 875 GWh | 2% | 46% | 21% | 0% | 405 g |
| Thu 7 May | 871 GWh | 4% | 43% | 23% | 0% | 401 g |
| Fri 8 May | 847 GWh | 3% | 43% | 22% | 0% | 384 g |
| Sat 9 May | 761 GWh | 2% | 46% | 23% | 0% | 363 g |
| Sun 10 May | 744 GWh | 0% | 47% | 25% | 0% | 358 g |
| Mon 11 May | 842 GWh | 0% | 44% | 22% | 0% | 413 g |
| Tue 12 May | 866 GWh | 1% | 44% | 19% | 0% | 427 g |
| Wed 13 May | 887 GWh | 2% | 43% | 16% | 0% | 450 g |
| Thu 14 May | 898 GWh | 2% | 43% | 15% | 0% | 472 g |
| Fri 15 May | 884 GWh | 3% | 43% | 16% | 0% | 464 g |
| Sat 16 May | 769 GWh | 3% | 43% | 18% | 0% | 435 g |
| Sun 17 May | 757 GWh | 1% | 45% | 19% | 0% | 424 g |
| Mon 18 May | 861 GWh | 1% | 43% | 17% | 0% | 463 g |
| Tue 19 May | 882 GWh | 1% | 42% | 16% | 0% | 484 g |
| Wed 20 May | 880 GWh | 1% | 42% | 16% | 0% | 483 g |
| Thu 21 May | 875 GWh | 1% | 43% | 16% | 0% | 471 g |
| Fri 22 May | 852 GWh | 1% | 45% | 16% | 0% | 463 g |
| Sat 23 May | 745 GWh | 2% | 46% | 20% | 0% | 406 g |
| Sun 24 May | 702 GWh | 2% | 49% | 22% | 0% | 371 g |
| Mon 25 May | 737 GWh | 1% | 51% | 22% | 0% | 401 g |
| Tue 26 May | 805 GWh | 2% | 49% | 20% | 0% | 399 g |
| Wed 27 May | 835 GWh | 2% | 48% | 20% | 0% | 404 g |
| Thu 28 May | 841 GWh | 1% | 48% | 20% | 0% | 410 g |
| Fri 29 May | 820 GWh | 1% | 49% | 20% | 0% | 413 g |
| Sat 30 May | 716 GWh | 1% | 52% | 25% | 0% | 339 g |
| Sun 31 May | 694 GWh | 0% | 53% | 27% | 0% | 321 g |