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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 30.47 GW of grid demand, with renewables averaging 64.1% of tracked domestic generation and carbon intensity averaging 68 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.47 GW

Average grid demand for this UK day.

Peak demand 36.79 GW

Highest 15-minute grid demand period.

Avg carbon 68 gCO₂/kWh

Average carbon intensity where available.

Renewables 64.1 %

Average renewable share of tracked generation.

Average grid demandDemand
30.47 GWFull-day average from available snapshots
↓ −0.51 GW vs yesterday
Peak demand18:00
36.79 GWHighest 15-minute grid demand period
↓ −0.22 GW vs yesterday
Lowest demand02:45
25.11 GWLowest 15-minute grid demand period
↑ +1.33 GW vs yesterday
Domestic generationSupply
27.46 GWTracked UK generation sources only
↓ −0.44 GW vs yesterday
Average carbonCO₂
68 gCO₂/kWhCarbon intensity average
↓ −40 g vs yesterday
Renewable shareClean
64.1 %Wind, solar, hydro and biomass
↑ +20.0 pts vs yesterday
Clean share+ Nuclear
82.3 %Renewables plus nuclear
↑ +20.1 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 30.47 GW of grid demand, with renewables averaging 64.1% of tracked domestic generation and carbon intensity averaging 68 gCO₂/kWh.

The highest demand period was 36.79 GW at 18:00, while the lowest carbon intensity period was 33 gCO₂/kWh at 14:45.

Key records for 3 September 2026

Highest wind13.84 GW04:00
Highest solar8.15 GW14:30
Highest gas5.99 GW19:00
Lowest carbon33 gCO₂/kWh14:45
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