Average grid demand for this UK day.
On 20 November 2025, Britain’s electricity grid averaged 42.82 GW of grid demand, with renewables averaging 49.3% of tracked domestic generation and carbon intensity averaging 167 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.
Average grid demand for this UK day.
Highest 15-minute grid demand period.
Average carbon intensity where available.
Average renewable share of tracked generation.
Live Grid Data UK
On 20 November 2025, Britain’s electricity grid averaged 42.82 GW of grid demand, with renewables averaging 49.3% of tracked domestic generation and carbon intensity averaging 167 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.
Daily insight
On 20 November 2025, Britain’s electricity grid averaged 42.82 GW of grid demand, with renewables averaging 49.3% of tracked domestic generation and carbon intensity averaging 167 gCO₂/kWh.
The highest demand period was 52.17 GW at 17:00, while the lowest carbon intensity period was 90 gCO₂/kWh at 01:00.
Daily chart
Generation mix