UK electricity in March 2015
Day by day: how Great Britain made its electricity in March 2015.
In March 2015, coal made 34% of Britain's electricity, then gas (23%). Renewables made 14%, against 11% a year earlier; average carbon intensity 425 g/kWh.
Electricity generated each day, March 2015
GWh a day
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the numbers
- Nuclear
- Gas
- Hydro
- Imports
- Pumped storage
- Wind
- Solar
- 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 2015 in total
| Source | Electricity | Share |
|---|---|---|
| Coal | 9,615 GWh | 34.1% |
| Gas | 6,409 GWh | 22.7% |
| Nuclear | 5,279 GWh | 18.7% |
| Wind | 3,046 GWh | 10.8% |
| Imports | 1,949 GWh | 6.9% |
| Other | 725 GWh | 2.6% |
| Solar | 543 GWh | 1.9% |
| Hydro | 436 GWh | 1.5% |
| Pumped storage | 227 GWh | 0.8% |
| Renewable (wind, solar, hydro, biomass) | 14.3% | |
| Low carbon (renewable plus nuclear) | 33.0% |
Standout days
- Windiest day198.9 GWh of windTue, 31 March 2015
- Highest wind share21.7%Tue, 31 March 2015
- Sunniest day32.3 GWh of solarTue, 31 March 2015
- Cleanest day328 g/kWh averageSat, 7 March 2015
- Dirtiest day494 g/kWh averageWed, 25 March 2015
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Sun 1 Mar | 826 GWh | 22% | 12% | 21% | 2% | 332 g |
| Mon 2 Mar | 962 GWh | 17% | 19% | 18% | 2% | 378 g |
| Tue 3 Mar | 977 GWh | 17% | 19% | 18% | 2% | 392 g |
| Wed 4 Mar | 977 GWh | 13% | 21% | 18% | 2% | 413 g |
| Thu 5 Mar | 982 GWh | 13% | 20% | 18% | 1% | 431 g |
| Fri 6 Mar | 922 GWh | 16% | 17% | 20% | 2% | 389 g |
| Sat 7 Mar | 811 GWh | 20% | 12% | 22% | 3% | 328 g |
| Sun 8 Mar | 819 GWh | 14% | 15% | 22% | 1% | 379 g |
| Mon 9 Mar | 953 GWh | 13% | 20% | 19% | 1% | 429 g |
| Tue 10 Mar | 944 GWh | 7% | 23% | 19% | 3% | 442 g |
| Wed 11 Mar | 945 GWh | 11% | 21% | 19% | 2% | 432 g |
| Thu 12 Mar | 933 GWh | 12% | 19% | 19% | 2% | 430 g |
| Fri 13 Mar | 938 GWh | 4% | 24% | 19% | 1% | 474 g |
| Sat 14 Mar | 865 GWh | 8% | 16% | 20% | 1% | 459 g |
| Sun 15 Mar | 853 GWh | 8% | 19% | 21% | 1% | 452 g |
| Mon 16 Mar | 988 GWh | 3% | 31% | 18% | 1% | 481 g |
| Tue 17 Mar | 955 GWh | 1% | 31% | 18% | 1% | 489 g |
| Wed 18 Mar | 968 GWh | 2% | 30% | 18% | 2% | 481 g |
| Thu 19 Mar | 967 GWh | 4% | 30% | 18% | 1% | 472 g |
| Fri 20 Mar | 932 GWh | 7% | 27% | 18% | 2% | 450 g |
| Sat 21 Mar | 831 GWh | 8% | 24% | 19% | 2% | 441 g |
| Sun 22 Mar | 824 GWh | 7% | 23% | 19% | 3% | 428 g |
| Mon 23 Mar | 936 GWh | 8% | 29% | 17% | 2% | 452 g |
| Tue 24 Mar | 946 GWh | 2% | 34% | 17% | 2% | 489 g |
| Wed 25 Mar | 951 GWh | 3% | 33% | 17% | 3% | 494 g |
| Thu 26 Mar | 929 GWh | 16% | 21% | 17% | 2% | 420 g |
| Fri 27 Mar | 916 GWh | 6% | 31% | 17% | 3% | 457 g |
| Sat 28 Mar | 802 GWh | 19% | 19% | 20% | 1% | 363 g |
| Sun 29 Mar | 759 GWh | 18% | 18% | 21% | 2% | 379 g |
| Mon 30 Mar | 903 GWh | 19% | 21% | 18% | 2% | 372 g |
| Tue 31 Mar | 918 GWh | 22% | 18% | 17% | 4% | 360 g |