UK electricity in December 2011
Day by day: how Great Britain made its electricity in December 2011.
In December 2011, coal made 43% of Britain's electricity, then gas (26%). Renewables made 8%, against 2% a year earlier; average carbon intensity 508 g/kWh.
Electricity generated each day, December 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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the numbers
December 2011 in total
| Source | Electricity | Share |
|---|---|---|
| Coal | 12.9 TWh | 43.1% |
| Gas | 7,767 GWh | 26.0% |
| Nuclear | 5,196 GWh | 17.4% |
| Wind | 1,943 GWh | 6.5% |
| Imports | 1,270 GWh | 4.3% |
| Hydro | 537 GWh | 1.8% |
| Pumped storage | 287 GWh | 1.0% |
| Renewable (wind, solar, hydro, biomass) | 8.3% | |
| Low carbon (renewable plus nuclear) | 25.7% |
Standout days
- Windiest day92.4 GWh of windSat, 3 December 2011
- Highest wind share11.5%Sun, 25 December 2011
- Sunniest day0.0 GWh of solarThu, 1 December 2011
- Cleanest day379 g/kWh averageMon, 26 December 2011
- Dirtiest day566 g/kWh averageFri, 9 December 2011
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Thu 1 Dec | 977 GWh | 5% | 34% | 16% | 0% | 527 g |
| Fri 2 Dec | 1,016 GWh | 6% | 30% | 15% | 0% | 541 g |
| Sat 3 Dec | 886 GWh | 10% | 25% | 17% | 0% | 468 g |
| Sun 4 Dec | 887 GWh | 8% | 26% | 18% | 0% | 470 g |
| Mon 5 Dec | 1,016 GWh | 6% | 27% | 15% | 0% | 539 g |
| Tue 6 Dec | 1,049 GWh | 5% | 27% | 15% | 0% | 560 g |
| Wed 7 Dec | 1,036 GWh | 8% | 25% | 16% | 0% | 540 g |
| Thu 8 Dec | 1,045 GWh | 6% | 27% | 15% | 0% | 543 g |
| Fri 9 Dec | 1,032 GWh | 5% | 24% | 15% | 0% | 566 g |
| Sat 10 Dec | 960 GWh | 5% | 23% | 17% | 0% | 566 g |
| Sun 11 Dec | 931 GWh | 5% | 23% | 18% | 0% | 539 g |
| Mon 12 Dec | 1,039 GWh | 7% | 26% | 17% | 0% | 537 g |
| Tue 13 Dec | 1,045 GWh | 8% | 25% | 17% | 0% | 520 g |
| Wed 14 Dec | 1,073 GWh | 7% | 26% | 16% | 0% | 518 g |
| Thu 15 Dec | 1,063 GWh | 3% | 27% | 16% | 0% | 559 g |
| Fri 16 Dec | 1,070 GWh | 3% | 26% | 16% | 0% | 557 g |
| Sat 17 Dec | 979 GWh | 4% | 24% | 17% | 0% | 546 g |
| Sun 18 Dec | 962 GWh | 4% | 25% | 18% | 0% | 542 g |
| Mon 19 Dec | 1,103 GWh | 4% | 30% | 16% | 0% | 563 g |
| Tue 20 Dec | 1,059 GWh | 5% | 28% | 17% | 0% | 548 g |
| Wed 21 Dec | 1,018 GWh | 5% | 26% | 17% | 0% | 539 g |
| Thu 22 Dec | 970 GWh | 8% | 24% | 18% | 0% | 507 g |
| Fri 23 Dec | 933 GWh | 7% | 26% | 19% | 0% | 472 g |
| Sat 24 Dec | 875 GWh | 10% | 28% | 20% | 0% | 419 g |
| Sun 25 Dec | 780 GWh | 11% | 22% | 23% | 0% | 399 g |
| Mon 26 Dec | 759 GWh | 11% | 25% | 23% | 0% | 379 g |
| Tue 27 Dec | 817 GWh | 6% | 28% | 22% | 0% | 445 g |
| Wed 28 Dec | 871 GWh | 10% | 21% | 20% | 0% | 465 g |
| Thu 29 Dec | 898 GWh | 10% | 21% | 19% | 0% | 470 g |
| Fri 30 Dec | 905 GWh | 5% | 27% | 19% | 0% | 479 g |
| Sat 31 Dec | 828 GWh | 8% | 29% | 21% | 0% | 415 g |