UK electricity in September 2017
Day by day: how Great Britain made its electricity in September 2017.
In September 2017, gas made 39% of Britain's electricity, then nuclear (25%). Renewables made 20%, against 16% a year earlier; average carbon intensity 220 g/kWh.
Electricity generated each day, September 2017
GWh a day
tap the chart for values
the numbers
- Nuclear
- Gas
- Hydro
- Imports
- Pumped storage
- Wind
- Solar
- Coal
- Other
Share of electricity, by source
tap the chart for values
the numbers
Carbon intensity
g CO₂ per kWh, daily average
tap the chart for values
the numbers
September 2017 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 8,862 GWh | 39.2% |
| Nuclear | 5,572 GWh | 24.7% |
| Wind | 3,366 GWh | 14.9% |
| Imports | 1,641 GWh | 7.3% |
| Coal | 1,020 GWh | 4.5% |
| Solar | 900 GWh | 4.0% |
| Other | 756 GWh | 3.3% |
| Hydro | 296 GWh | 1.3% |
| Pumped storage | 188 GWh | 0.8% |
| Renewable (wind, solar, hydro, biomass) | 20.2% | |
| Low carbon (renewable plus nuclear) | 44.8% |
Standout days
- Windiest day226.0 GWh of windMon, 11 September 2017
- Highest wind share29.9%Mon, 11 September 2017
- Sunniest day50.0 GWh of solarSat, 2 September 2017
- Cleanest day154 g/kWh averageMon, 11 September 2017
- Dirtiest day293 g/kWh averageTue, 19 September 2017
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Fri 1 Sept | 740 GWh | 3% | 41% | 27% | 7% | 249 g |
| Sat 2 Sept | 663 GWh | 6% | 35% | 31% | 8% | 204 g |
| Sun 3 Sept | 661 GWh | 21% | 26% | 31% | 3% | 164 g |
| Mon 4 Sept | 778 GWh | 14% | 37% | 26% | 3% | 222 g |
| Tue 5 Sept | 778 GWh | 14% | 37% | 26% | 3% | 216 g |
| Wed 6 Sept | 769 GWh | 20% | 31% | 26% | 4% | 181 g |
| Thu 7 Sept | 755 GWh | 17% | 35% | 27% | 3% | 189 g |
| Fri 8 Sept | 756 GWh | 20% | 34% | 26% | 4% | 180 g |
| Sat 9 Sept | 679 GWh | 13% | 36% | 28% | 5% | 205 g |
| Sun 10 Sept | 657 GWh | 24% | 27% | 29% | 3% | 164 g |
| Mon 11 Sept | 755 GWh | 30% | 27% | 25% | 5% | 154 g |
| Tue 12 Sept | 774 GWh | 23% | 35% | 24% | 5% | 183 g |
| Wed 13 Sept | 765 GWh | 23% | 35% | 23% | 5% | 186 g |
| Thu 14 Sept | 787 GWh | 24% | 36% | 23% | 5% | 192 g |
| Fri 15 Sept | 791 GWh | 15% | 43% | 22% | 4% | 236 g |
| Sat 16 Sept | 715 GWh | 10% | 44% | 25% | 4% | 242 g |
| Sun 17 Sept | 701 GWh | 6% | 46% | 26% | 4% | 253 g |
| Mon 18 Sept | 798 GWh | 7% | 47% | 23% | 4% | 286 g |
| Tue 19 Sept | 809 GWh | 5% | 49% | 22% | 5% | 293 g |
| Wed 20 Sept | 804 GWh | 13% | 44% | 23% | 3% | 253 g |
| Thu 21 Sept | 798 GWh | 13% | 43% | 23% | 2% | 256 g |
| Fri 22 Sept | 785 GWh | 14% | 42% | 24% | 5% | 231 g |
| Sat 23 Sept | 702 GWh | 19% | 35% | 26% | 4% | 196 g |
| Sun 24 Sept | 694 GWh | 16% | 35% | 26% | 4% | 199 g |
| Mon 25 Sept | 800 GWh | 6% | 50% | 22% | 2% | 292 g |
| Tue 26 Sept | 804 GWh | 7% | 51% | 21% | 3% | 278 g |
| Wed 27 Sept | 807 GWh | 21% | 40% | 21% | 2% | 224 g |
| Thu 28 Sept | 780 GWh | 12% | 45% | 21% | 5% | 230 g |
| Fri 29 Sept | 785 GWh | 20% | 38% | 21% | 3% | 214 g |
| Sat 30 Sept | 715 GWh | 12% | 43% | 24% | 3% | 218 g |