UK electricity in December 2009
Day by day: how Great Britain made its electricity in December 2009.
In December 2009, gas made 48% of Britain's electricity, then coal (31%). Renewables made 2%; average carbon intensity 472 g/kWh.
Electricity generated each day, December 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
December 2009 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 15.3 TWh | 47.9% |
| Coal | 9,957 GWh | 31.1% |
| Nuclear | 5,449 GWh | 17.0% |
| Imports | 324 GWh | 1.0% |
| Hydro | 320 GWh | 1.0% |
| Pumped storage | 315 GWh | 1.0% |
| Wind | 303 GWh | 0.9% |
| Renewable (wind, solar, hydro, biomass) | 1.9% | |
| Low carbon (renewable plus nuclear) | 19.0% |
Standout days
- Windiest day30.5 GWh of windWed, 30 December 2009
- Highest wind share3.1%Wed, 30 December 2009
- Sunniest day0.0 GWh of solarTue, 1 December 2009
- Cleanest day376 g/kWh averageSun, 6 December 2009
- Dirtiest day534 g/kWh averageTue, 22 December 2009
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Tue 1 Dec | 1,098 GWh | 2% | 49% | 16% | 0% | 472 g |
| Wed 2 Dec | 1,083 GWh | 1% | 49% | 16% | 0% | 480 g |
| Thu 3 Dec | 1,081 GWh | 1% | 49% | 16% | 0% | 476 g |
| Fri 4 Dec | 1,078 GWh | 1% | 50% | 16% | 0% | 478 g |
| Sat 5 Dec | 921 GWh | 2% | 57% | 19% | 0% | 406 g |
| Sun 6 Dec | 869 GWh | 3% | 57% | 20% | 0% | 376 g |
| Mon 7 Dec | 1,052 GWh | 1% | 49% | 16% | 0% | 472 g |
| Tue 8 Dec | 1,050 GWh | 1% | 49% | 16% | 0% | 478 g |
| Wed 9 Dec | 1,056 GWh | 2% | 48% | 16% | 0% | 475 g |
| Thu 10 Dec | 1,059 GWh | 0% | 48% | 16% | 0% | 489 g |
| Fri 11 Dec | 1,076 GWh | 0% | 48% | 16% | 0% | 495 g |
| Sat 12 Dec | 967 GWh | 0% | 51% | 18% | 0% | 463 g |
| Sun 13 Dec | 968 GWh | 0% | 51% | 18% | 0% | 465 g |
| Mon 14 Dec | 1,108 GWh | 1% | 47% | 16% | 0% | 501 g |
| Tue 15 Dec | 1,131 GWh | 1% | 48% | 15% | 0% | 500 g |
| Wed 16 Dec | 1,159 GWh | 1% | 45% | 15% | 0% | 517 g |
| Thu 17 Dec | 1,142 GWh | 1% | 47% | 15% | 0% | 512 g |
| Fri 18 Dec | 1,145 GWh | 0% | 47% | 15% | 0% | 514 g |
| Sat 19 Dec | 1,071 GWh | 1% | 47% | 16% | 0% | 504 g |
| Sun 20 Dec | 1,038 GWh | 1% | 48% | 16% | 0% | 496 g |
| Mon 21 Dec | 1,145 GWh | 1% | 45% | 15% | 0% | 521 g |
| Tue 22 Dec | 1,138 GWh | 0% | 44% | 15% | 0% | 534 g |
| Wed 23 Dec | 1,110 GWh | 0% | 44% | 16% | 0% | 521 g |
| Thu 24 Dec | 1,010 GWh | 0% | 47% | 18% | 0% | 466 g |
| Fri 25 Dec | 875 GWh | 0% | 49% | 21% | 0% | 405 g |
| Sat 26 Dec | 835 GWh | 0% | 49% | 23% | 0% | 409 g |
| Sun 27 Dec | 868 GWh | 0% | 49% | 22% | 0% | 409 g |
| Mon 28 Dec | 949 GWh | 0% | 48% | 20% | 0% | 459 g |
| Tue 29 Dec | 991 GWh | 1% | 46% | 19% | 0% | 465 g |
| Wed 30 Dec | 986 GWh | 3% | 43% | 19% | 0% | 436 g |
| Thu 31 Dec | 959 GWh | 1% | 44% | 20% | 0% | 442 g |