UK electricity in October 2012
Day by day: how Great Britain made its electricity in October 2012.
In October 2012, coal made 46% of Britain's electricity, then gas (25%). Renewables made 5%, against 7% a year earlier; average carbon intensity 545 g/kWh.
Electricity generated each day, October 2012
GWh a day
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the numbers
- Nuclear
- Gas
- Hydro
- Imports
- Pumped storage
- Wind
- Coal
- Other
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
October 2012 in total
| Source | Electricity | Share |
|---|---|---|
| Coal | 12.7 TWh | 46.4% |
| Gas | 6,769 GWh | 24.8% |
| Nuclear | 5,055 GWh | 18.5% |
| Wind | 1,204 GWh | 4.4% |
| Imports | 737 GWh | 2.7% |
| Other | 331 GWh | 1.2% |
| Hydro | 289 GWh | 1.1% |
| Pumped storage | 249 GWh | 0.9% |
| Renewable (wind, solar, hydro, biomass) | 5.5% | |
| Low carbon (renewable plus nuclear) | 24.0% |
Standout days
- Windiest day79.9 GWh of windMon, 1 October 2012
- Highest wind share9.3%Mon, 1 October 2012
- Sunniest day0.0 GWh of solarMon, 1 October 2012
- Cleanest day506 g/kWh averageSat, 6 October 2012
- Dirtiest day584 g/kWh averageTue, 9 October 2012
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Mon 1 Oct | 864 GWh | 9% | 19% | 20% | 0% | 509 g |
| Tue 2 Oct | 878 GWh | 8% | 17% | 20% | 0% | 528 g |
| Wed 3 Oct | 877 GWh | 7% | 17% | 20% | 0% | 531 g |
| Thu 4 Oct | 875 GWh | 3% | 20% | 21% | 0% | 547 g |
| Fri 5 Oct | 875 GWh | 4% | 20% | 20% | 0% | 546 g |
| Sat 6 Oct | 775 GWh | 3% | 24% | 23% | 0% | 506 g |
| Sun 7 Oct | 770 GWh | 1% | 23% | 23% | 0% | 510 g |
| Mon 8 Oct | 896 GWh | 2% | 24% | 20% | 0% | 554 g |
| Tue 9 Oct | 911 GWh | 1% | 23% | 19% | 0% | 584 g |
| Wed 10 Oct | 910 GWh | 1% | 26% | 19% | 0% | 568 g |
| Thu 11 Oct | 913 GWh | 5% | 24% | 19% | 0% | 545 g |
| Fri 12 Oct | 872 GWh | 9% | 19% | 19% | 0% | 526 g |
| Sat 13 Oct | 801 GWh | 3% | 24% | 19% | 0% | 556 g |
| Sun 14 Oct | 782 GWh | 2% | 26% | 20% | 0% | 549 g |
| Mon 15 Oct | 905 GWh | 2% | 32% | 17% | 0% | 549 g |
| Tue 16 Oct | 903 GWh | 6% | 26% | 18% | 0% | 540 g |
| Wed 17 Oct | 904 GWh | 7% | 25% | 19% | 0% | 531 g |
| Thu 18 Oct | 900 GWh | 5% | 26% | 19% | 0% | 542 g |
| Fri 19 Oct | 901 GWh | 1% | 30% | 16% | 0% | 576 g |
| Sat 20 Oct | 808 GWh | 1% | 26% | 18% | 0% | 574 g |
| Sun 21 Oct | 795 GWh | 3% | 30% | 18% | 0% | 529 g |
| Mon 22 Oct | 917 GWh | 2% | 31% | 16% | 0% | 564 g |
| Tue 23 Oct | 924 GWh | 1% | 31% | 17% | 0% | 566 g |
| Wed 24 Oct | 918 GWh | 3% | 28% | 18% | 0% | 565 g |
| Thu 25 Oct | 923 GWh | 5% | 25% | 18% | 0% | 557 g |
| Fri 26 Oct | 926 GWh | 7% | 23% | 18% | 0% | 543 g |
| Sat 27 Oct | 855 GWh | 8% | 25% | 18% | 0% | 512 g |
| Sun 28 Oct | 877 GWh | 9% | 24% | 18% | 0% | 509 g |
| Mon 29 Oct | 949 GWh | 3% | 28% | 16% | 0% | 572 g |
| Tue 30 Oct | 959 GWh | 6% | 26% | 16% | 0% | 558 g |
| Wed 31 Oct | 958 GWh | 7% | 25% | 16% | 0% | 543 g |