UK electricity in March 2012
Day by day: how Great Britain made its electricity in March 2012.
In March 2012, coal made 48% of Britain's electricity, then gas (25%). Renewables made 5%, against 3% a year earlier; average carbon intensity 563 g/kWh.
Electricity generated each day, March 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
March 2012 in total
| Source | Electricity | Share |
|---|---|---|
| Coal | 13.7 TWh | 48.3% |
| Gas | 7,120 GWh | 25.1% |
| Nuclear | 4,694 GWh | 16.6% |
| Imports | 1,181 GWh | 4.2% |
| Wind | 1,037 GWh | 3.7% |
| Hydro | 316 GWh | 1.1% |
| Pumped storage | 269 GWh | 0.9% |
| Other | 33.1 GWh | 0.1% |
| Renewable (wind, solar, hydro, biomass) | 4.8% | |
| Low carbon (renewable plus nuclear) | 21.3% |
Standout days
- Windiest day89.8 GWh of windWed, 7 March 2012
- Highest wind share8.9%Wed, 7 March 2012
- Sunniest day0.0 GWh of solarThu, 1 March 2012
- Cleanest day527 g/kWh averageSat, 3 March 2012
- Dirtiest day599 g/kWh averageMon, 12 March 2012
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Thu 1 Mar | 963 GWh | 2% | 22% | 21% | 0% | 556 g |
| Fri 2 Mar | 966 GWh | 3% | 22% | 19% | 0% | 571 g |
| Sat 3 Mar | 869 GWh | 7% | 21% | 18% | 0% | 527 g |
| Sun 4 Mar | 881 GWh | 4% | 25% | 18% | 0% | 532 g |
| Mon 5 Mar | 1,003 GWh | 4% | 27% | 16% | 0% | 558 g |
| Tue 6 Mar | 1,016 GWh | 5% | 31% | 16% | 0% | 546 g |
| Wed 7 Mar | 1,009 GWh | 9% | 25% | 16% | 0% | 530 g |
| Thu 8 Mar | 1,001 GWh | 7% | 23% | 16% | 0% | 559 g |
| Fri 9 Mar | 977 GWh | 8% | 22% | 16% | 0% | 561 g |
| Sat 10 Mar | 864 GWh | 7% | 20% | 16% | 0% | 555 g |
| Sun 11 Mar | 826 GWh | 4% | 21% | 17% | 0% | 564 g |
| Mon 12 Mar | 950 GWh | 1% | 26% | 15% | 0% | 599 g |
| Tue 13 Mar | 975 GWh | 0% | 28% | 15% | 0% | 595 g |
| Wed 14 Mar | 974 GWh | 1% | 26% | 16% | 0% | 592 g |
| Thu 15 Mar | 975 GWh | 2% | 25% | 16% | 0% | 583 g |
| Fri 16 Mar | 954 GWh | 5% | 24% | 16% | 0% | 568 g |
| Sat 17 Mar | 860 GWh | 2% | 23% | 17% | 0% | 580 g |
| Sun 18 Mar | 837 GWh | 2% | 21% | 17% | 0% | 586 g |
| Mon 19 Mar | 956 GWh | 6% | 25% | 14% | 0% | 576 g |
| Tue 20 Mar | 950 GWh | 6% | 26% | 15% | 0% | 563 g |
| Wed 21 Mar | 944 GWh | 2% | 30% | 14% | 0% | 574 g |
| Thu 22 Mar | 935 GWh | 3% | 30% | 15% | 0% | 567 g |
| Fri 23 Mar | 914 GWh | 2% | 27% | 16% | 0% | 582 g |
| Sat 24 Mar | 812 GWh | 1% | 27% | 19% | 0% | 541 g |
| Sun 25 Mar | 752 GWh | 2% | 26% | 20% | 0% | 534 g |
| Mon 26 Mar | 888 GWh | 1% | 29% | 17% | 0% | 559 g |
| Tue 27 Mar | 886 GWh | 1% | 29% | 17% | 0% | 561 g |
| Wed 28 Mar | 883 GWh | 2% | 28% | 16% | 0% | 560 g |
| Thu 29 Mar | 856 GWh | 5% | 24% | 17% | 0% | 554 g |
| Fri 30 Mar | 864 GWh | 5% | 23% | 16% | 0% | 562 g |
| Sat 31 Mar | 795 GWh | 3% | 25% | 18% | 0% | 549 g |