UK electricity in July 2009
Day by day: how Great Britain made its electricity in July 2009.
In July 2009, gas made 48% of Britain's electricity, then nuclear (24%). Renewables made 1%; average carbon intensity 390 g/kWh.
Electricity generated each day, July 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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July 2009 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 12.1 TWh | 48.4% |
| Nuclear | 5,858 GWh | 23.5% |
| Coal | 5,501 GWh | 22.1% |
| Imports | 838 GWh | 3.4% |
| Pumped storage | 296 GWh | 1.2% |
| Wind | 222 GWh | 0.9% |
| Hydro | 124 GWh | 0.5% |
| Renewable (wind, solar, hydro, biomass) | 1.4% | |
| Low carbon (renewable plus nuclear) | 24.9% |
Standout days
- Windiest day16.9 GWh of windTue, 28 July 2009
- Highest wind share2.4%Sun, 26 July 2009
- Sunniest day0.0 GWh of solarWed, 1 July 2009
- Cleanest day302 g/kWh averageSun, 19 July 2009
- Dirtiest day468 g/kWh averageWed, 1 July 2009
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Wed 1 Jul | 890 GWh | 0% | 42% | 23% | 0% | 468 g |
| Thu 2 Jul | 892 GWh | 0% | 42% | 23% | 0% | 467 g |
| Fri 3 Jul | 864 GWh | 1% | 43% | 23% | 0% | 456 g |
| Sat 4 Jul | 738 GWh | 0% | 45% | 27% | 0% | 374 g |
| Sun 5 Jul | 713 GWh | 0% | 47% | 27% | 0% | 354 g |
| Mon 6 Jul | 829 GWh | 0% | 46% | 23% | 0% | 422 g |
| Tue 7 Jul | 851 GWh | 1% | 46% | 23% | 0% | 435 g |
| Wed 8 Jul | 846 GWh | 1% | 46% | 23% | 0% | 428 g |
| Thu 9 Jul | 834 GWh | 1% | 45% | 22% | 0% | 428 g |
| Fri 10 Jul | 815 GWh | 0% | 47% | 22% | 0% | 422 g |
| Sat 11 Jul | 731 GWh | 1% | 52% | 24% | 0% | 352 g |
| Sun 12 Jul | 695 GWh | 1% | 51% | 26% | 0% | 327 g |
| Mon 13 Jul | 827 GWh | 0% | 49% | 23% | 0% | 397 g |
| Tue 14 Jul | 846 GWh | 0% | 49% | 23% | 0% | 396 g |
| Wed 15 Jul | 854 GWh | 0% | 48% | 23% | 0% | 427 g |
| Thu 16 Jul | 860 GWh | 0% | 48% | 23% | 0% | 433 g |
| Fri 17 Jul | 830 GWh | 1% | 47% | 24% | 0% | 400 g |
| Sat 18 Jul | 716 GWh | 1% | 49% | 28% | 0% | 313 g |
| Sun 19 Jul | 704 GWh | 2% | 50% | 29% | 0% | 302 g |
| Mon 20 Jul | 814 GWh | 2% | 49% | 24% | 0% | 363 g |
| Tue 21 Jul | 845 GWh | 1% | 50% | 23% | 0% | 403 g |
| Wed 22 Jul | 827 GWh | 1% | 51% | 23% | 0% | 396 g |
| Thu 23 Jul | 828 GWh | 1% | 51% | 23% | 0% | 396 g |
| Fri 24 Jul | 807 GWh | 1% | 53% | 22% | 0% | 373 g |
| Sat 25 Jul | 714 GWh | 0% | 54% | 25% | 0% | 332 g |
| Sun 26 Jul | 694 GWh | 2% | 52% | 26% | 0% | 318 g |
| Mon 27 Jul | 807 GWh | 1% | 51% | 22% | 0% | 391 g |
| Tue 28 Jul | 790 GWh | 2% | 50% | 22% | 0% | 377 g |
| Wed 29 Jul | 833 GWh | 1% | 51% | 20% | 0% | 401 g |
| Thu 30 Jul | 807 GWh | 1% | 52% | 22% | 0% | 368 g |
| Fri 31 Jul | 805 GWh | 2% | 52% | 22% | 0% | 360 g |