UK electricity in December 2019
Day by day: how Great Britain made its electricity in December 2019.
In December 2019, gas made 33% of Britain's electricity, then wind (26%). Renewables made 36%, against 29% a year earlier; average carbon intensity 179 g/kWh.
Electricity generated each day, December 2019
GWh a day
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the numbers
- Nuclear
- Gas
- Hydro
- Imports
- Biomass
- 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
December 2019 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 8,756 GWh | 32.6% |
| Wind | 6,949 GWh | 25.9% |
| Nuclear | 4,884 GWh | 18.2% |
| Imports | 2,244 GWh | 8.4% |
| Biomass | 2,001 GWh | 7.5% |
| Coal | 989 GWh | 3.7% |
| Hydro | 449 GWh | 1.7% |
| Solar | 278 GWh | 1.0% |
| Pumped storage | 168 GWh | 0.6% |
| Other | 110 GWh | 0.4% |
| Renewable (wind, solar, hydro, biomass) | 36.1% | |
| Low carbon (renewable plus nuclear) | 54.3% |
Standout days
- Windiest day345.5 GWh of windTue, 10 December 2019
- Highest wind share42.9%Sun, 8 December 2019
- Sunniest day18.4 GWh of solarWed, 4 December 2019
- Cleanest day99 g/kWh averageSun, 8 December 2019
- Dirtiest day280 g/kWh averageTue, 17 December 2019
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Sun 1 Dec | 871 GWh | 15% | 40% | 21% | 2% | 209 g |
| Mon 2 Dec | 974 GWh | 14% | 46% | 18% | 2% | 237 g |
| Tue 3 Dec | 952 GWh | 16% | 45% | 19% | 2% | 232 g |
| Wed 4 Dec | 977 GWh | 22% | 42% | 18% | 2% | 222 g |
| Thu 5 Dec | 970 GWh | 30% | 33% | 18% | 1% | 197 g |
| Fri 6 Dec | 886 GWh | 35% | 26% | 20% | 0% | 159 g |
| Sat 7 Dec | 789 GWh | 36% | 22% | 21% | 1% | 135 g |
| Sun 8 Dec | 801 GWh | 43% | 13% | 21% | 2% | 99 g |
| Mon 9 Dec | 920 GWh | 28% | 29% | 18% | 2% | 173 g |
| Tue 10 Dec | 909 GWh | 38% | 27% | 17% | 0% | 161 g |
| Wed 11 Dec | 943 GWh | 30% | 33% | 16% | 1% | 196 g |
| Thu 12 Dec | 955 GWh | 22% | 39% | 15% | 0% | 226 g |
| Fri 13 Dec | 910 GWh | 26% | 34% | 16% | 1% | 196 g |
| Sat 14 Dec | 842 GWh | 38% | 21% | 17% | 1% | 128 g |
| Sun 15 Dec | 833 GWh | 32% | 26% | 17% | 2% | 158 g |
| Mon 16 Dec | 937 GWh | 21% | 41% | 14% | 1% | 222 g |
| Tue 17 Dec | 972 GWh | 10% | 48% | 14% | 0% | 280 g |
| Wed 18 Dec | 945 GWh | 25% | 36% | 15% | 1% | 200 g |
| Thu 19 Dec | 912 GWh | 33% | 28% | 15% | 0% | 161 g |
| Fri 20 Dec | 915 GWh | 25% | 34% | 16% | 0% | 189 g |
| Sat 21 Dec | 825 GWh | 23% | 34% | 18% | 1% | 180 g |
| Sun 22 Dec | 783 GWh | 15% | 39% | 20% | 1% | 199 g |
| Mon 23 Dec | 828 GWh | 31% | 26% | 19% | 1% | 138 g |
| Tue 24 Dec | 787 GWh | 20% | 34% | 20% | 1% | 178 g |
| Wed 25 Dec | 732 GWh | 14% | 36% | 22% | 2% | 184 g |
| Thu 26 Dec | 742 GWh | 33% | 24% | 22% | 0% | 129 g |
| Fri 27 Dec | 803 GWh | 24% | 33% | 20% | 0% | 167 g |
| Sat 28 Dec | 768 GWh | 33% | 22% | 21% | 1% | 127 g |
| Sun 29 Dec | 750 GWh | 36% | 20% | 21% | 1% | 113 g |
| Mon 30 Dec | 790 GWh | 25% | 30% | 21% | 2% | 155 g |
| Tue 31 Dec | 809 GWh | 14% | 39% | 21% | 1% | 213 g |