UK electricity in September 2009
Day by day: how Great Britain made its electricity in September 2009.
In September 2009, gas made 52% of Britain's electricity, then coal (22%). Renewables made 3%; average carbon intensity 406 g/kWh.
Electricity generated each day, September 2009
GWh a day
tap the chart for values
the numbers
- Nuclear
- Gas
- Hydro
- Imports
- Pumped storage
- Wind
- Coal
Share of electricity, by source
tap the chart for values
the numbers
Carbon intensity
g CO₂ per kWh, daily average
tap the chart for values
the numbers
September 2009 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 13.1 TWh | 52.5% |
| Coal | 5,618 GWh | 22.5% |
| Nuclear | 5,056 GWh | 20.2% |
| Wind | 370 GWh | 1.5% |
| Hydro | 348 GWh | 1.4% |
| Pumped storage | 321 GWh | 1.3% |
| Imports | 184 GWh | 0.7% |
| Renewable (wind, solar, hydro, biomass) | 2.9% | |
| Low carbon (renewable plus nuclear) | 23.1% |
Standout days
- Windiest day28.9 GWh of windTue, 8 September 2009
- Highest wind share3.3%Tue, 8 September 2009
- Sunniest day0.0 GWh of solarTue, 1 September 2009
- Cleanest day285 g/kWh averageSun, 6 September 2009
- Dirtiest day483 g/kWh averageWed, 30 September 2009
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Tue 1 Sept | 843 GWh | 1% | 49% | 24% | 0% | 397 g |
| Wed 2 Sept | 870 GWh | 1% | 48% | 23% | 0% | 419 g |
| Thu 3 Sept | 844 GWh | 2% | 49% | 25% | 0% | 386 g |
| Fri 4 Sept | 816 GWh | 2% | 48% | 26% | 0% | 356 g |
| Sat 5 Sept | 730 GWh | 2% | 50% | 29% | 0% | 293 g |
| Sun 6 Sept | 716 GWh | 2% | 51% | 30% | 0% | 285 g |
| Mon 7 Sept | 870 GWh | 2% | 46% | 25% | 0% | 390 g |
| Tue 8 Sept | 879 GWh | 3% | 49% | 25% | 0% | 374 g |
| Wed 9 Sept | 894 GWh | 1% | 49% | 22% | 0% | 407 g |
| Thu 10 Sept | 863 GWh | 0% | 54% | 21% | 0% | 408 g |
| Fri 11 Sept | 857 GWh | 0% | 54% | 20% | 0% | 422 g |
| Sat 12 Sept | 746 GWh | 1% | 58% | 24% | 0% | 347 g |
| Sun 13 Sept | 721 GWh | 0% | 56% | 24% | 0% | 325 g |
| Mon 14 Sept | 860 GWh | 0% | 51% | 20% | 0% | 432 g |
| Tue 15 Sept | 880 GWh | 0% | 52% | 19% | 0% | 435 g |
| Wed 16 Sept | 875 GWh | 0% | 53% | 19% | 0% | 431 g |
| Thu 17 Sept | 851 GWh | 0% | 55% | 21% | 0% | 405 g |
| Fri 18 Sept | 872 GWh | 0% | 53% | 19% | 0% | 430 g |
| Sat 19 Sept | 764 GWh | 1% | 58% | 19% | 0% | 393 g |
| Sun 20 Sept | 734 GWh | 2% | 59% | 20% | 0% | 367 g |
| Mon 21 Sept | 863 GWh | 3% | 54% | 16% | 0% | 434 g |
| Tue 22 Sept | 875 GWh | 3% | 53% | 15% | 0% | 442 g |
| Wed 23 Sept | 892 GWh | 2% | 53% | 15% | 0% | 455 g |
| Thu 24 Sept | 888 GWh | 2% | 52% | 15% | 0% | 457 g |
| Fri 25 Sept | 864 GWh | 2% | 55% | 15% | 0% | 447 g |
| Sat 26 Sept | 762 GWh | 2% | 57% | 16% | 0% | 427 g |
| Sun 27 Sept | 738 GWh | 3% | 57% | 17% | 0% | 405 g |
| Mon 28 Sept | 856 GWh | 2% | 54% | 16% | 0% | 447 g |
| Tue 29 Sept | 892 GWh | 1% | 51% | 15% | 0% | 469 g |
| Wed 30 Sept | 908 GWh | 1% | 50% | 15% | 0% | 483 g |