UK electricity in 2009
How Great Britain made its electricity in 2009, from 365 days of half-hourly data.
In 2009, gas made 45% of Britain's electricity, ahead of coal (30%). Renewables made 2%, and the average carbon intensity was 445 g/kWh.
Electricity generated each day in 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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Carbon intensity
g CO₂ per kWh, daily average
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2009 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 147.4 TWh | 44.8% |
| Coal | 98.8 TWh | 30.0% |
| Nuclear | 65.0 TWh | 19.7% |
| Imports | 6,684 GWh | 2.0% |
| Wind | 4,158 GWh | 1.3% |
| Pumped storage | 3,617 GWh | 1.1% |
| Hydro | 3,558 GWh | 1.1% |
| Renewable (wind, solar, hydro, biomass) | 2.3% | |
| Low carbon (renewable plus nuclear) | 22.1% |
Standout days
- Windiest day33.9 GWh of windWed, 25 November 2009
- Highest wind share4.3%Sat, 3 October 2009
- Sunniest day0.0 GWh of solarThu, 1 January 2009
- Cleanest day284 g/kWh averageSat, 29 August 2009
- Dirtiest day605 g/kWh averageFri, 9 January 2009
- Busiest day1170.3 GWh in totalWed, 7 January 2009
Month by month
| Month | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| January 2009 | 32.7 TWh | 1% | 35% | 13% | 0% | 578 g |
| February 2009 | 29.2 TWh | 1% | 34% | 19% | 0% | 535 g |
| March 2009 | 29.5 TWh | 2% | 39% | 22% | 0% | 464 g |
| April 2009 | 25.5 TWh | 1% | 43% | 24% | 0% | 409 g |
| May 2009 | 25.2 TWh | 2% | 46% | 20% | 0% | 410 g |
| June 2009 | 24.4 TWh | 1% | 45% | 24% | 0% | 410 g |
| July 2009 | 24.9 TWh | 1% | 48% | 24% | 0% | 390 g |
| August 2009 | 24.5 TWh | 2% | 51% | 23% | 0% | 370 g |
| September 2009 | 25.0 TWh | 1% | 52% | 20% | 0% | 406 g |
| October 2009 | 27.6 TWh | 1% | 49% | 17% | 0% | 464 g |
| November 2009 | 28.6 TWh | 2% | 50% | 18% | 0% | 435 g |
| December 2009 | 32.0 TWh | 1% | 48% | 17% | 0% | 472 g |