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Daily UK grid report
UK Electricity Grid Daily Report — 31 August 2026

On 31 August 2026, Britain’s electricity grid averaged 28.43 GW of grid demand, with renewables averaging 61.9% of tracked domestic generation and carbon intensity averaging 124 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.43 GW

Average grid demand for this UK day.

Peak demand 35.11 GW

Highest 15-minute grid demand period.

Avg carbon 124 gCO₂/kWh

Average carbon intensity where available.

Renewables 61.9 %

Average renewable share of tracked generation.

Average grid demandDemand
28.43 GWFull-day average from available snapshots
↑ +1.45 GW vs yesterday
Peak demand14:00
35.11 GWHighest 15-minute grid demand period
↑ +2.71 GW vs yesterday
Lowest demand05:15
20.54 GWLowest 15-minute grid demand period
↓ −0.76 GW vs yesterday
Domestic generationSupply
24.28 GWTracked UK generation sources only
↑ +3.42 GW vs yesterday
Average carbonCO₂
124 gCO₂/kWhCarbon intensity average
↓ −30 g vs yesterday
Renewable shareClean
61.9 %Wind, solar, hydro and biomass
↑ +8.4 pts vs yesterday
Clean share+ Nuclear
83.2 %Renewables plus nuclear
↑ +4.9 pts vs yesterday
Net importsFlow
2.97 GWAverage imports minus exports
↓ −1.71 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 31 August 2026, Britain’s electricity grid averaged 28.43 GW of grid demand, with renewables averaging 61.9% of tracked domestic generation and carbon intensity averaging 124 gCO₂/kWh.

The highest demand period was 35.11 GW at 14:00, while the lowest carbon intensity period was 84 gCO₂/kWh at 05:00.

Key records for 31 August 2026

Highest wind12.21 GW15:30
Highest solar10.24 GW14:00
Highest gas7.05 GW19:30
Lowest carbon84 gCO₂/kWh05:00
Highest imports5.87 GW16:00
Highest exports2.94 GW11:00

Daily chart

Demand, generation and carbon intensity

31 August 2026

Generation mix

Wind, solar, gas and interconnector flow