UK electricity in January 2012
Day by day: how Great Britain made its electricity in January 2012.
In January 2012, coal made 43% of Britain's electricity, then gas (26%). Renewables made 7%, against 3% a year earlier; average carbon intensity 503 g/kWh.
Electricity generated each day, January 2012
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
January 2012 in total
| Source | Electricity | Share |
|---|---|---|
| Coal | 13.0 TWh | 42.6% |
| Gas | 7,903 GWh | 25.9% |
| Nuclear | 5,706 GWh | 18.7% |
| Wind | 1,651 GWh | 5.4% |
| Imports | 1,442 GWh | 4.7% |
| Hydro | 532 GWh | 1.7% |
| Pumped storage | 250 GWh | 0.8% |
| Renewable (wind, solar, hydro, biomass) | 7.2% | |
| Low carbon (renewable plus nuclear) | 25.9% |
Standout days
- Windiest day97.2 GWh of windSat, 21 January 2012
- Highest wind share10.7%Sat, 21 January 2012
- Sunniest day0.0 GWh of solarSun, 1 January 2012
- Cleanest day374 g/kWh averageSun, 1 January 2012
- Dirtiest day571 g/kWh averageFri, 13 January 2012
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Sun 1 Jan | 782 GWh | 10% | 30% | 22% | 0% | 374 g |
| Mon 2 Jan | 850 GWh | 10% | 32% | 20% | 0% | 400 g |
| Tue 3 Jan | 989 GWh | 8% | 30% | 17% | 0% | 468 g |
| Wed 4 Jan | 1,024 GWh | 8% | 27% | 17% | 0% | 485 g |
| Thu 5 Jan | 1,016 GWh | 8% | 26% | 18% | 0% | 475 g |
| Fri 6 Jan | 1,004 GWh | 6% | 27% | 19% | 0% | 487 g |
| Sat 7 Jan | 891 GWh | 10% | 25% | 21% | 0% | 419 g |
| Sun 8 Jan | 873 GWh | 6% | 26% | 22% | 0% | 447 g |
| Mon 9 Jan | 985 GWh | 5% | 28% | 19% | 0% | 496 g |
| Tue 10 Jan | 999 GWh | 6% | 26% | 19% | 0% | 504 g |
| Wed 11 Jan | 985 GWh | 6% | 25% | 18% | 0% | 509 g |
| Thu 12 Jan | 1,000 GWh | 7% | 24% | 17% | 0% | 518 g |
| Fri 13 Jan | 1,017 GWh | 1% | 26% | 16% | 0% | 571 g |
| Sat 14 Jan | 946 GWh | 1% | 26% | 17% | 0% | 556 g |
| Sun 15 Jan | 929 GWh | 3% | 28% | 17% | 0% | 524 g |
| Mon 16 Jan | 1,076 GWh | 2% | 32% | 15% | 0% | 568 g |
| Tue 17 Jan | 1,087 GWh | 3% | 32% | 16% | 0% | 559 g |
| Wed 18 Jan | 1,041 GWh | 6% | 29% | 18% | 0% | 521 g |
| Thu 19 Jan | 1,011 GWh | 8% | 26% | 18% | 0% | 507 g |
| Fri 20 Jan | 1,024 GWh | 7% | 24% | 18% | 0% | 502 g |
| Sat 21 Jan | 905 GWh | 11% | 19% | 21% | 0% | 452 g |
| Sun 22 Jan | 882 GWh | 9% | 20% | 21% | 0% | 450 g |
| Mon 23 Jan | 1,011 GWh | 5% | 23% | 19% | 0% | 525 g |
| Tue 24 Jan | 1,048 GWh | 2% | 24% | 19% | 0% | 554 g |
| Wed 25 Jan | 1,011 GWh | 7% | 22% | 20% | 0% | 526 g |
| Thu 26 Jan | 1,032 GWh | 4% | 23% | 19% | 0% | 521 g |
| Fri 27 Jan | 1,019 GWh | 3% | 26% | 19% | 0% | 531 g |
| Sat 28 Jan | 933 GWh | 1% | 24% | 22% | 0% | 527 g |
| Sun 29 Jan | 932 GWh | 2% | 23% | 22% | 0% | 509 g |
| Mon 30 Jan | 1,072 GWh | 3% | 27% | 19% | 0% | 548 g |
| Tue 31 Jan | 1,094 GWh | 3% | 26% | 19% | 0% | 566 g |