UK electricity in 2013
How Great Britain made its electricity in 2013, from 365 days of half-hourly data.
In 2013, coal made 39% of Britain's electricity, ahead of gas (25%). Renewables made 8% (up from 6% in 2012), and the average carbon intensity was 475 g/kWh.
Electricity generated each day in 2013
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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2013 in total
| Source | Electricity | Share |
|---|---|---|
| Coal | 125.8 TWh | 39.0% |
| Gas | 80.1 TWh | 24.9% |
| Nuclear | 65.9 TWh | 20.5% |
| Wind | 21.3 TWh | 6.6% |
| Imports | 17.6 TWh | 5.5% |
| Other | 3,852 GWh | 1.2% |
| Hydro | 2,914 GWh | 0.9% |
| Pumped storage | 2,802 GWh | 0.9% |
| Solar | 2,076 GWh | 0.6% |
| Renewable (wind, solar, hydro, biomass) | 8.2% | |
| Low carbon (renewable plus nuclear) | 28.6% |
Standout days
- Windiest day148.6 GWh of windSat, 21 December 2013
- Highest wind share17.2%Sat, 21 December 2013
- Sunniest day14.7 GWh of solarTue, 4 June 2013
- Cleanest day309 g/kWh averageSun, 23 June 2013
- Dirtiest day579 g/kWh averageSun, 3 March 2013
- Busiest day1134.3 GWh in totalThu, 17 January 2013
Month by month
| Month | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| January 2013 | 31.5 TWh | 6% | 23% | 20% | 0% | 508 g |
| February 2013 | 28.5 TWh | 6% | 26% | 18% | 0% | 520 g |
| March 2013 | 30.8 TWh | 6% | 26% | 17% | 0% | 525 g |
| April 2013 | 26.9 TWh | 7% | 24% | 21% | 1% | 478 g |
| May 2013 | 25.3 TWh | 7% | 25% | 18% | 1% | 481 g |
| June 2013 | 23.4 TWh | 5% | 33% | 20% | 1% | 444 g |
| July 2013 | 24.6 TWh | 3% | 27% | 24% | 1% | 437 g |
| August 2013 | 23.9 TWh | 5% | 22% | 27% | 1% | 438 g |
| September 2013 | 24.2 TWh | 6% | 24% | 21% | 1% | 473 g |
| October 2013 | 26.1 TWh | 8% | 21% | 21% | 0% | 477 g |
| November 2013 | 28.3 TWh | 8% | 26% | 19% | 0% | 475 g |
| December 2013 | 29.0 TWh | 11% | 21% | 21% | 0% | 449 g |