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Daily UK grid report
UK Electricity Grid Daily Report — 25 May 2026

On 25 May 2026, Britain’s electricity grid averaged 28.57 GW of grid demand, with renewables averaging 54.4% of tracked domestic generation and carbon intensity averaging 174 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.57 GW

Average grid demand for this UK day.

Peak demand 34.24 GW

Highest 15-minute grid demand period.

Avg carbon 174 gCO₂/kWh

Average carbon intensity where available.

Renewables 54.4 %

Average renewable share of tracked generation.

Average grid demandDemand
28.57 GWFull-day average from available snapshots
↑ +1.70 GW vs yesterday
Peak demand12:30
34.24 GWHighest 15-minute grid demand period
↑ +2.37 GW vs yesterday
Lowest demand05:00
21.51 GWLowest 15-minute grid demand period
↑ +1.18 GW vs yesterday
Domestic generationSupply
22.65 GWTracked UK generation sources only
↑ +1.48 GW vs yesterday
Average carbonCO₂
174 gCO₂/kWhCarbon intensity average
↓ −16 g vs yesterday
Renewable shareClean
54.4 %Wind, solar, hydro and biomass
↓ −0.2 pts vs yesterday
Clean share+ Nuclear
66.8 %Renewables plus nuclear
↑ +1.1 pts vs yesterday
Net importsFlow
4.88 GWAverage imports minus exports
↓ −0.04 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 25 May 2026, Britain’s electricity grid averaged 28.57 GW of grid demand, with renewables averaging 54.4% of tracked domestic generation and carbon intensity averaging 174 gCO₂/kWh.

The highest demand period was 34.24 GW at 12:30, while the lowest carbon intensity period was 134 gCO₂/kWh at 04:30.

Key records for 25 May 2026

Highest wind6.16 GW23:00
Highest solar15.09 GW12:30
Highest gas11.02 GW22:00
Lowest carbon134 gCO₂/kWh04:30
Highest imports6.97 GW09:00
Highest exports1.81 GW19:15

Daily chart

Demand, generation and carbon intensity

25 May 2026

Generation mix

Wind, solar, gas and interconnector flow