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Daily UK grid report
UK Electricity Grid Daily Report — 1 September 2026

On 1 September 2026, Britain’s electricity grid averaged 31.28 GW of grid demand, with renewables averaging 61.8% of tracked domestic generation and carbon intensity averaging 98 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.28 GW

Average grid demand for this UK day.

Peak demand 37.55 GW

Highest 15-minute grid demand period.

Avg carbon 98 gCO₂/kWh

Average carbon intensity where available.

Renewables 61.8 %

Average renewable share of tracked generation.

Average grid demandDemand
31.28 GWFull-day average from available snapshots
↑ +2.85 GW vs yesterday
Peak demand13:15
37.55 GWHighest 15-minute grid demand period
↑ +2.44 GW vs yesterday
Lowest demand04:30
21.42 GWLowest 15-minute grid demand period
↑ +0.88 GW vs yesterday
Domestic generationSupply
28.48 GWTracked UK generation sources only
↑ +4.20 GW vs yesterday
Average carbonCO₂
98 gCO₂/kWhCarbon intensity average
↓ −27 g vs yesterday
Renewable shareClean
61.8 %Wind, solar, hydro and biomass
↓ −0.1 pts vs yesterday
Clean share+ Nuclear
79.9 %Renewables plus nuclear
↓ −3.3 pts vs yesterday
Net importsFlow
1.49 GWAverage imports minus exports
↓ −1.48 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 1 September 2026, Britain’s electricity grid averaged 31.28 GW of grid demand, with renewables averaging 61.8% of tracked domestic generation and carbon intensity averaging 98 gCO₂/kWh.

The highest demand period was 37.55 GW at 13:15, while the lowest carbon intensity period was 51 gCO₂/kWh at 11:30.

Key records for 1 September 2026

Highest wind13.52 GW17:00
Highest solar11.34 GW11:30
Highest gas11.53 GW19:00
Lowest carbon51 gCO₂/kWh11:30
Highest imports5.59 GW15:00
Highest exports4.76 GW23:00

Daily chart

Demand, generation and carbon intensity

1 September 2026

Generation mix

Wind, solar, gas and interconnector flow