UK electricity in September 2020
Day by day: how Great Britain made its electricity in September 2020.
In September 2020, gas made 41% of Britain's electricity, then wind (24%). Renewables made 35%, against 35% a year earlier; average carbon intensity 186 g/kWh.
Electricity generated each day, September 2020
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
September 2020 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 8,900 GWh | 41.2% |
| Wind | 5,121 GWh | 23.7% |
| Nuclear | 3,413 GWh | 15.8% |
| Imports | 1,307 GWh | 6.1% |
| Solar | 1,158 GWh | 5.4% |
| Biomass | 1,007 GWh | 4.7% |
| Hydro | 240 GWh | 1.1% |
| Coal | 176 GWh | 0.8% |
| Other | 146 GWh | 0.7% |
| Pumped storage | 115 GWh | 0.5% |
| Renewable (wind, solar, hydro, biomass) | 34.9% | |
| Low carbon (renewable plus nuclear) | 50.7% |
Standout days
- Windiest day299.8 GWh of windSat, 26 September 2020
- Highest wind share42.5%Sat, 26 September 2020
- Sunniest day55.6 GWh of solarMon, 14 September 2020
- Cleanest day94 g/kWh averageSat, 26 September 2020
- Dirtiest day298 g/kWh averageTue, 15 September 2020
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Tue 1 Sept | 717 GWh | 11% | 57% | 13% | 7% | 264 g |
| Wed 2 Sept | 718 GWh | 30% | 43% | 13% | 4% | 189 g |
| Thu 3 Sept | 722 GWh | 41% | 33% | 13% | 4% | 146 g |
| Fri 4 Sept | 704 GWh | 38% | 32% | 14% | 5% | 146 g |
| Sat 5 Sept | 652 GWh | 36% | 28% | 15% | 7% | 127 g |
| Sun 6 Sept | 633 GWh | 8% | 51% | 15% | 6% | 231 g |
| Mon 7 Sept | 718 GWh | 29% | 42% | 13% | 3% | 189 g |
| Tue 8 Sept | 729 GWh | 27% | 43% | 14% | 5% | 184 g |
| Wed 9 Sept | 746 GWh | 28% | 42% | 14% | 5% | 181 g |
| Thu 10 Sept | 742 GWh | 11% | 56% | 15% | 5% | 248 g |
| Fri 11 Sept | 743 GWh | 31% | 39% | 15% | 4% | 173 g |
| Sat 12 Sept | 657 GWh | 40% | 20% | 17% | 8% | 99 g |
| Sun 13 Sept | 652 GWh | 40% | 20% | 17% | 8% | 96 g |
| Mon 14 Sept | 737 GWh | 10% | 50% | 15% | 8% | 235 g |
| Tue 15 Sept | 767 GWh | 4% | 58% | 15% | 6% | 298 g |
| Wed 16 Sept | 770 GWh | 16% | 52% | 14% | 5% | 241 g |
| Thu 17 Sept | 733 GWh | 17% | 46% | 15% | 8% | 205 g |
| Fri 18 Sept | 711 GWh | 23% | 38% | 16% | 8% | 175 g |
| Sat 19 Sept | 645 GWh | 32% | 24% | 18% | 7% | 121 g |
| Sun 20 Sept | 651 GWh | 18% | 36% | 19% | 7% | 166 g |
| Mon 21 Sept | 746 GWh | 9% | 55% | 17% | 7% | 255 g |
| Tue 22 Sept | 765 GWh | 25% | 45% | 16% | 5% | 197 g |
| Wed 23 Sept | 748 GWh | 18% | 52% | 16% | 2% | 222 g |
| Thu 24 Sept | 739 GWh | 20% | 43% | 16% | 4% | 189 g |
| Fri 25 Sept | 732 GWh | 40% | 24% | 17% | 5% | 109 g |
| Sat 26 Sept | 705 GWh | 43% | 20% | 19% | 5% | 94 g |
| Sun 27 Sept | 694 GWh | 27% | 30% | 20% | 5% | 136 g |
| Mon 28 Sept | 765 GWh | 14% | 51% | 18% | 4% | 219 g |
| Tue 29 Sept | 755 GWh | 6% | 53% | 19% | 4% | 267 g |
| Wed 30 Sept | 788 GWh | 29% | 40% | 18% | 1% | 181 g |