UK electricity in September 2019
Day by day: how Great Britain made its electricity in September 2019.
In September 2019, gas made 34% of Britain's electricity, then wind (22%). Renewables made 35%, against 33% a year earlier; average carbon intensity 156 g/kWh.
Electricity generated each day, September 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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September 2019 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 7,548 GWh | 34.5% |
| Wind | 4,886 GWh | 22.3% |
| Nuclear | 4,632 GWh | 21.2% |
| Imports | 1,733 GWh | 7.9% |
| Biomass | 1,255 GWh | 5.7% |
| Solar | 1,100 GWh | 5.0% |
| Hydro | 364 GWh | 1.7% |
| Coal | 171 GWh | 0.8% |
| Pumped storage | 120 GWh | 0.5% |
| Other | 78.1 GWh | 0.4% |
| Renewable (wind, solar, hydro, biomass) | 34.7% | |
| Low carbon (renewable plus nuclear) | 55.9% |
Standout days
- Windiest day276.5 GWh of windWed, 11 September 2019
- Highest wind share37.4%Sat, 21 September 2019
- Sunniest day56.9 GWh of solarFri, 13 September 2019
- Cleanest day85 g/kWh averageSat, 21 September 2019
- Dirtiest day232 g/kWh averageThu, 19 September 2019
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Sun 1 Sept | 638 GWh | 25% | 25% | 23% | 8% | 116 g |
| Mon 2 Sept | 707 GWh | 27% | 28% | 21% | 6% | 145 g |
| Tue 3 Sept | 739 GWh | 26% | 31% | 20% | 5% | 142 g |
| Wed 4 Sept | 740 GWh | 35% | 20% | 20% | 6% | 108 g |
| Thu 5 Sept | 740 GWh | 33% | 23% | 20% | 7% | 115 g |
| Fri 6 Sept | 734 GWh | 37% | 22% | 20% | 4% | 113 g |
| Sat 7 Sept | 680 GWh | 21% | 32% | 22% | 5% | 143 g |
| Sun 8 Sept | 658 GWh | 10% | 37% | 23% | 8% | 165 g |
| Mon 9 Sept | 760 GWh | 10% | 50% | 20% | 2% | 225 g |
| Tue 10 Sept | 768 GWh | 12% | 42% | 20% | 5% | 199 g |
| Wed 11 Sept | 764 GWh | 36% | 22% | 20% | 3% | 110 g |
| Thu 12 Sept | 750 GWh | 28% | 27% | 21% | 4% | 134 g |
| Fri 13 Sept | 748 GWh | 16% | 36% | 21% | 8% | 171 g |
| Sat 14 Sept | 650 GWh | 26% | 25% | 24% | 8% | 126 g |
| Sun 15 Sept | 684 GWh | 21% | 35% | 23% | 5% | 153 g |
| Mon 16 Sept | 771 GWh | 13% | 46% | 20% | 3% | 210 g |
| Tue 17 Sept | 785 GWh | 16% | 41% | 20% | 7% | 182 g |
| Wed 18 Sept | 775 GWh | 5% | 50% | 21% | 6% | 219 g |
| Thu 19 Sept | 772 GWh | 4% | 52% | 21% | 7% | 232 g |
| Fri 20 Sept | 729 GWh | 15% | 38% | 22% | 7% | 179 g |
| Sat 21 Sept | 676 GWh | 37% | 18% | 24% | 8% | 85 g |
| Sun 22 Sept | 673 GWh | 23% | 35% | 23% | 3% | 150 g |
| Mon 23 Sept | 769 GWh | 23% | 43% | 20% | 4% | 178 g |
| Tue 24 Sept | 788 GWh | 23% | 43% | 20% | 3% | 175 g |
| Wed 25 Sept | 787 GWh | 16% | 46% | 20% | 3% | 198 g |
| Thu 26 Sept | 735 GWh | 34% | 28% | 21% | 5% | 126 g |
| Fri 27 Sept | 753 GWh | 28% | 31% | 21% | 3% | 138 g |
| Sat 28 Sept | 668 GWh | 30% | 25% | 23% | 4% | 117 g |
| Sun 29 Sept | 668 GWh | 31% | 27% | 22% | 2% | 123 g |
| Mon 30 Sept | 778 GWh | 15% | 48% | 19% | 3% | 215 g |