UK electricity in March 2011
Day by day: how Great Britain made its electricity in March 2011.
In March 2011, coal made 38% of Britain's electricity, then gas (35%). Renewables made 3%, against 2% a year earlier; average carbon intensity 491 g/kWh.
Electricity generated each day, March 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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March 2011 in total
| Source | Electricity | Share |
|---|---|---|
| Coal | 11.4 TWh | 38.0% |
| Gas | 10.5 TWh | 35.0% |
| Nuclear | 6,426 GWh | 21.5% |
| Wind | 659 GWh | 2.2% |
| Imports | 526 GWh | 1.8% |
| Pumped storage | 247 GWh | 0.8% |
| Hydro | 230 GWh | 0.8% |
| Renewable (wind, solar, hydro, biomass) | 3.0% | |
| Low carbon (renewable plus nuclear) | 24.4% |
Standout days
- Windiest day69.4 GWh of windThu, 10 March 2011
- Highest wind share7.0%Thu, 10 March 2011
- Sunniest day0.0 GWh of solarTue, 1 March 2011
- Cleanest day427 g/kWh averageThu, 31 March 2011
- Dirtiest day535 g/kWh averageThu, 3 March 2011
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Tue 1 Mar | 1,075 GWh | 1% | 37% | 19% | 0% | 521 g |
| Wed 2 Mar | 1,069 GWh | 2% | 35% | 19% | 0% | 525 g |
| Thu 3 Mar | 1,079 GWh | 1% | 36% | 19% | 0% | 535 g |
| Fri 4 Mar | 1,049 GWh | 1% | 35% | 19% | 0% | 535 g |
| Sat 5 Mar | 947 GWh | 1% | 34% | 22% | 0% | 503 g |
| Sun 6 Mar | 911 GWh | 1% | 36% | 23% | 0% | 472 g |
| Mon 7 Mar | 1,045 GWh | 2% | 37% | 21% | 0% | 505 g |
| Tue 8 Mar | 1,033 GWh | 5% | 32% | 21% | 0% | 507 g |
| Wed 9 Mar | 1,013 GWh | 6% | 31% | 21% | 0% | 493 g |
| Thu 10 Mar | 997 GWh | 7% | 30% | 22% | 0% | 484 g |
| Fri 11 Mar | 998 GWh | 4% | 31% | 22% | 0% | 493 g |
| Sat 12 Mar | 902 GWh | 2% | 34% | 24% | 0% | 457 g |
| Sun 13 Mar | 880 GWh | 3% | 34% | 25% | 0% | 447 g |
| Mon 14 Mar | 1,010 GWh | 2% | 34% | 22% | 0% | 507 g |
| Tue 15 Mar | 1,011 GWh | 1% | 33% | 21% | 0% | 518 g |
| Wed 16 Mar | 1,009 GWh | 1% | 33% | 21% | 0% | 519 g |
| Thu 17 Mar | 1,014 GWh | 1% | 37% | 20% | 0% | 515 g |
| Fri 18 Mar | 994 GWh | 2% | 36% | 20% | 0% | 509 g |
| Sat 19 Mar | 891 GWh | 2% | 39% | 23% | 0% | 460 g |
| Sun 20 Mar | 857 GWh | 4% | 36% | 24% | 0% | 443 g |
| Mon 21 Mar | 965 GWh | 4% | 37% | 21% | 0% | 463 g |
| Tue 22 Mar | 955 GWh | 2% | 37% | 22% | 0% | 476 g |
| Wed 23 Mar | 966 GWh | 1% | 35% | 21% | 0% | 503 g |
| Thu 24 Mar | 935 GWh | 1% | 33% | 21% | 0% | 510 g |
| Fri 25 Mar | 923 GWh | 0% | 32% | 22% | 0% | 516 g |
| Sat 26 Mar | 855 GWh | 1% | 35% | 23% | 0% | 472 g |
| Sun 27 Mar | 790 GWh | 1% | 39% | 23% | 0% | 454 g |
| Mon 28 Mar | 935 GWh | 0% | 39% | 21% | 0% | 481 g |
| Tue 29 Mar | 958 GWh | 0% | 37% | 21% | 0% | 496 g |
| Wed 30 Mar | 956 GWh | 2% | 36% | 22% | 0% | 484 g |
| Thu 31 Mar | 937 GWh | 6% | 38% | 23% | 0% | 427 g |