UK electricity in January 2009
Day by day: how Great Britain made its electricity in January 2009.
In January 2009, coal made 47% of Britain's electricity, then gas (35%). Renewables made 3%; average carbon intensity 578 g/kWh.
Electricity generated each day, January 2009
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
January 2009 in total
| Source | Electricity | Share |
|---|---|---|
| Coal | 15.4 TWh | 47.1% |
| Gas | 11.4 TWh | 34.8% |
| Nuclear | 4,311 GWh | 13.2% |
| Imports | 441 GWh | 1.3% |
| Wind | 431 GWh | 1.3% |
| Hydro | 405 GWh | 1.2% |
| Pumped storage | 341 GWh | 1.0% |
| Renewable (wind, solar, hydro, biomass) | 2.6% | |
| Low carbon (renewable plus nuclear) | 15.7% |
Standout days
- Windiest day31.8 GWh of windSun, 11 January 2009
- Highest wind share3.2%Sun, 11 January 2009
- Sunniest day0.0 GWh of solarThu, 1 January 2009
- Cleanest day532 g/kWh averageSun, 25 January 2009
- Dirtiest day605 g/kWh averageFri, 9 January 2009
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Thu 1 Jan | 908 GWh | 0% | 29% | 18% | 0% | 542 g |
| Fri 2 Jan | 991 GWh | 0% | 35% | 15% | 0% | 572 g |
| Sat 3 Jan | 979 GWh | 0% | 37% | 14% | 0% | 567 g |
| Sun 4 Jan | 988 GWh | 0% | 40% | 13% | 0% | 566 g |
| Mon 5 Jan | 1,129 GWh | 0% | 40% | 11% | 0% | 586 g |
| Tue 6 Jan | 1,167 GWh | 1% | 39% | 11% | 0% | 602 g |
| Wed 7 Jan | 1,170 GWh | 0% | 38% | 11% | 0% | 600 g |
| Thu 8 Jan | 1,145 GWh | 1% | 37% | 12% | 0% | 599 g |
| Fri 9 Jan | 1,144 GWh | 1% | 37% | 11% | 0% | 605 g |
| Sat 10 Jan | 1,061 GWh | 3% | 35% | 13% | 0% | 583 g |
| Sun 11 Jan | 984 GWh | 3% | 34% | 13% | 0% | 573 g |
| Mon 12 Jan | 1,095 GWh | 2% | 37% | 13% | 0% | 571 g |
| Tue 13 Jan | 1,105 GWh | 0% | 35% | 13% | 0% | 598 g |
| Wed 14 Jan | 1,127 GWh | 1% | 36% | 12% | 0% | 596 g |
| Thu 15 Jan | 1,104 GWh | 2% | 36% | 12% | 0% | 587 g |
| Fri 16 Jan | 1,055 GWh | 2% | 34% | 12% | 0% | 593 g |
| Sat 17 Jan | 936 GWh | 3% | 31% | 14% | 0% | 555 g |
| Sun 18 Jan | 926 GWh | 2% | 31% | 14% | 0% | 547 g |
| Mon 19 Jan | 1,070 GWh | 1% | 34% | 13% | 0% | 583 g |
| Tue 20 Jan | 1,070 GWh | 1% | 34% | 13% | 0% | 589 g |
| Wed 21 Jan | 1,102 GWh | 1% | 37% | 13% | 0% | 583 g |
| Thu 22 Jan | 1,082 GWh | 2% | 35% | 13% | 0% | 570 g |
| Fri 23 Jan | 1,067 GWh | 1% | 35% | 14% | 0% | 570 g |
| Sat 24 Jan | 978 GWh | 1% | 32% | 15% | 0% | 545 g |
| Sun 25 Jan | 947 GWh | 2% | 31% | 16% | 0% | 532 g |
| Mon 26 Jan | 1,076 GWh | 1% | 33% | 14% | 0% | 587 g |
| Tue 27 Jan | 1,098 GWh | 1% | 33% | 14% | 0% | 600 g |
| Wed 28 Jan | 1,099 GWh | 1% | 33% | 14% | 0% | 598 g |
| Thu 29 Jan | 1,101 GWh | 2% | 34% | 13% | 0% | 591 g |
| Fri 30 Jan | 1,069 GWh | 2% | 32% | 12% | 0% | 601 g |
| Sat 31 Jan | 961 GWh | 3% | 29% | 16% | 0% | 542 g |