Average grid demand for this UK day.
On 18 May 2025, Britain’s electricity grid averaged 26.89 GW of grid demand, with renewables averaging 50.8% of tracked domestic generation and carbon intensity averaging 90 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 18 May 2025, Britain’s electricity grid averaged 26.89 GW of grid demand, with renewables averaging 50.8% of tracked domestic generation and carbon intensity averaging 90 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.
Daily insight
On 18 May 2025, Britain’s electricity grid averaged 26.89 GW of grid demand, with renewables averaging 50.8% of tracked domestic generation and carbon intensity averaging 90 gCO₂/kWh.
The highest demand period was 31.66 GW at 18:00, while the lowest carbon intensity period was 40 gCO₂/kWh at 14:30.
Daily chart
Generation mix