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Daily UK grid report
UK Electricity Grid Daily Report — 26 May 2026

On 26 May 2026, Britain’s electricity grid averaged 31.67 GW of grid demand, with renewables averaging 44.8% of tracked domestic generation and carbon intensity averaging 204 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.67 GW

Average grid demand for this UK day.

Peak demand 37.89 GW

Highest 15-minute grid demand period.

Avg carbon 204 gCO₂/kWh

Average carbon intensity where available.

Renewables 44.8 %

Average renewable share of tracked generation.

Average grid demandDemand
31.67 GWFull-day average from available snapshots
↑ +3.10 GW vs yesterday
Peak demand13:00
37.89 GWHighest 15-minute grid demand period
↑ +3.65 GW vs yesterday
Lowest demand04:30
24.15 GWLowest 15-minute grid demand period
↑ +2.64 GW vs yesterday
Domestic generationSupply
26.15 GWTracked UK generation sources only
↑ +3.50 GW vs yesterday
Average carbonCO₂
204 gCO₂/kWhCarbon intensity average
↑ +29 g vs yesterday
Renewable shareClean
44.8 %Wind, solar, hydro and biomass
↓ −9.5 pts vs yesterday
Clean share+ Nuclear
56.0 %Renewables plus nuclear
↓ −10.8 pts vs yesterday
Net importsFlow
3.96 GWAverage imports minus exports
↓ −0.91 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 26 May 2026, Britain’s electricity grid averaged 31.67 GW of grid demand, with renewables averaging 44.8% of tracked domestic generation and carbon intensity averaging 204 gCO₂/kWh.

The highest demand period was 37.89 GW at 13:00, while the lowest carbon intensity period was 166 gCO₂/kWh at 04:00.

Key records for 26 May 2026

Highest wind6.93 GW23:30
Highest solar14.48 GW12:30
Highest gas15.25 GW19:30
Lowest carbon166 gCO₂/kWh04:00
Highest imports6.97 GW09:00
Highest exports3.06 GW05:45

Daily chart

Demand, generation and carbon intensity

26 May 2026

Generation mix

Wind, solar, gas and interconnector flow