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Daily UK grid report
UK Electricity Grid Daily Report — 3 September 2026

On 3 September 2026, Britain’s electricity grid averaged 33.13 GW of grid demand, with renewables averaging 67.6% of tracked domestic generation and carbon intensity averaging 85 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.13 GW

Average grid demand for this UK day.

Peak demand 38.62 GW

Highest 15-minute grid demand period.

Avg carbon 85 gCO₂/kWh

Average carbon intensity where available.

Renewables 67.6 %

Average renewable share of tracked generation.

Average grid demandDemand
33.13 GWFull-day average from available snapshots
↑ +1.47 GW vs yesterday
Peak demand12:15
38.62 GWHighest 15-minute grid demand period
↑ +1.69 GW vs yesterday
Lowest demand23:30
27.28 GWLowest 15-minute grid demand period
↑ +2.42 GW vs yesterday
Domestic generationSupply
30.13 GWTracked UK generation sources only
↑ +1.55 GW vs yesterday
Average carbonCO₂
85 gCO₂/kWhCarbon intensity average
↓ −85 g vs yesterday
Renewable shareClean
67.6 %Wind, solar, hydro and biomass
↑ +20.8 pts vs yesterday
Clean share+ Nuclear
84.1 %Renewables plus nuclear
↑ +19.6 pts vs yesterday
Net importsFlow
0.71 GWAverage imports minus exports
↓ −0.14 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 3 September 2026, Britain’s electricity grid averaged 33.13 GW of grid demand, with renewables averaging 67.6% of tracked domestic generation and carbon intensity averaging 85 gCO₂/kWh.

The highest demand period was 38.62 GW at 12:15, while the lowest carbon intensity period was 41 gCO₂/kWh at 10:30.

Key records for 3 September 2026

Highest wind17.10 GW03:30
Highest solar8.85 GW14:00
Highest gas5.94 GW19:00
Lowest carbon41 gCO₂/kWh10:30
Highest imports7.12 GW12:00
Highest exports6.80 GW05:00

Daily chart

Demand, generation and carbon intensity

3 September 2026

Generation mix

Wind, solar, gas and interconnector flow