UK electricity in March 2023
Day by day: how Great Britain made its electricity in March 2023.
In March 2023, gas made 34% of Britain's electricity, then wind (29%). Renewables made 38%, against 35% a year earlier; average carbon intensity 157 g/kWh.
Electricity generated each day, March 2023
GWh a day
tap the chart for values
the numbers
- Nuclear
- Gas
- Hydro
- Imports
- Biomass
- 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
March 2023 in total
| Source | Electricity | Share |
|---|---|---|
| Gas | 8,547 GWh | 34.0% |
| Wind | 7,220 GWh | 28.7% |
| Imports | 3,510 GWh | 14.0% |
| Nuclear | 3,071 GWh | 12.2% |
| Biomass | 1,174 GWh | 4.7% |
| Solar | 853 GWh | 3.4% |
| Hydro | 238 GWh | 0.9% |
| Other | 213 GWh | 0.8% |
| Pumped storage | 197 GWh | 0.8% |
| Coal | 130 GWh | 0.5% |
| Renewable (wind, solar, hydro, biomass) | 37.7% | |
| Low carbon (renewable plus nuclear) | 49.9% |
Standout days
- Windiest day438.9 GWh of windMon, 13 March 2023
- Highest wind share53.0%Wed, 22 March 2023
- Sunniest day58.2 GWh of solarMon, 27 March 2023
- Cleanest day52 g/kWh averageFri, 24 March 2023
- Dirtiest day254 g/kWh averageTue, 7 March 2023
Every day
| Day | Total | Wind | Gas | Nuclear | Solar | Carbon |
|---|---|---|---|---|---|---|
| Wed 1 Mar | 905 GWh | 20% | 53% | 11% | 2% | 229 g |
| Thu 2 Mar | 900 GWh | 13% | 56% | 11% | 4% | 246 g |
| Fri 3 Mar | 881 GWh | 12% | 55% | 12% | 2% | 248 g |
| Sat 4 Mar | 802 GWh | 12% | 53% | 13% | 2% | 236 g |
| Sun 5 Mar | 786 GWh | 7% | 54% | 14% | 2% | 246 g |
| Mon 6 Mar | 922 GWh | 25% | 49% | 11% | 2% | 223 g |
| Tue 7 Mar | 902 GWh | 14% | 53% | 11% | 4% | 254 g |
| Wed 8 Mar | 898 GWh | 17% | 49% | 11% | 1% | 235 g |
| Thu 9 Mar | 904 GWh | 26% | 37% | 11% | 1% | 186 g |
| Fri 10 Mar | 900 GWh | 28% | 34% | 11% | 3% | 159 g |
| Sat 11 Mar | 793 GWh | 18% | 37% | 12% | 4% | 187 g |
| Sun 12 Mar | 760 GWh | 50% | 11% | 13% | 4% | 71 g |
| Mon 13 Mar | 829 GWh | 53% | 11% | 12% | 3% | 63 g |
| Tue 14 Mar | 854 GWh | 33% | 26% | 11% | 5% | 125 g |
| Wed 15 Mar | 851 GWh | 21% | 41% | 11% | 3% | 192 g |
| Thu 16 Mar | 821 GWh | 45% | 19% | 12% | 2% | 99 g |
| Fri 17 Mar | 774 GWh | 21% | 36% | 13% | 4% | 165 g |
| Sat 18 Mar | 707 GWh | 21% | 34% | 14% | 4% | 158 g |
| Sun 19 Mar | 695 GWh | 20% | 34% | 14% | 5% | 157 g |
| Mon 20 Mar | 763 GWh | 26% | 42% | 12% | 2% | 182 g |
| Tue 21 Mar | 787 GWh | 47% | 21% | 12% | 4% | 100 g |
| Wed 22 Mar | 799 GWh | 53% | 14% | 12% | 5% | 69 g |
| Thu 23 Mar | 793 GWh | 46% | 16% | 12% | 5% | 76 g |
| Fri 24 Mar | 763 GWh | 49% | 9% | 13% | 6% | 52 g |
| Sat 25 Mar | 726 GWh | 37% | 18% | 14% | 6% | 89 g |
| Sun 26 Mar | 689 GWh | 28% | 24% | 14% | 4% | 121 g |
| Mon 27 Mar | 778 GWh | 15% | 39% | 13% | 7% | 181 g |
| Tue 28 Mar | 827 GWh | 34% | 31% | 12% | 1% | 147 g |
| Wed 29 Mar | 791 GWh | 39% | 27% | 12% | 2% | 129 g |
| Thu 30 Mar | 761 GWh | 37% | 22% | 13% | 6% | 104 g |
| Fri 31 Mar | 792 GWh | 32% | 29% | 13% | 2% | 131 g |