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Daily UK grid report
UK Electricity Grid Daily Report — 6 August 2025

On 6 August 2025, Britain’s electricity grid averaged 29.78 GW of grid demand, with renewables averaging 61.4% 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 29.78 GW

Average grid demand for this UK day.

Peak demand 34.77 GW

Highest 15-minute grid demand period.

Avg carbon 85 gCO₂/kWh

Average carbon intensity where available.

Renewables 61.4 %

Average renewable share of tracked generation.

Average grid demandDemand
29.78 GWFull-day average from available snapshots
↓ −2.19 GW vs yesterday
Peak demand11:30
34.77 GWHighest 15-minute grid demand period
↓ −4.15 GW vs yesterday
Lowest demand04:30
23.80 GWLowest 15-minute grid demand period
↓ −2.60 GW vs yesterday
Domestic generationSupply
23.05 GWTracked UK generation sources only
↓ −6.41 GW vs yesterday
Average carbonCO₂
85 gCO₂/kWhCarbon intensity average
↑ +19 g vs yesterday
Renewable shareClean
61.4 %Wind, solar, hydro and biomass
↓ −8.9 pts vs yesterday
Clean share+ Nuclear
77.3 %Renewables plus nuclear
↓ −5.5 pts vs yesterday
Net importsFlow
4.93 GWAverage imports minus exports
↑ +5.36 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 6 August 2025, Britain’s electricity grid averaged 29.78 GW of grid demand, with renewables averaging 61.4% of tracked domestic generation and carbon intensity averaging 85 gCO₂/kWh.

The highest demand period was 34.77 GW at 11:30, while the lowest carbon intensity period was 44 gCO₂/kWh at 13:00.

Key records for 6 August 2025

Highest wind13.09 GW00:00
Highest solar12.96 GW12:30
Highest gas9.30 GW22:00
Lowest carbon44 gCO₂/kWh13:00
Highest imports8.99 GW17:00
Highest exports3.54 GW06:00

Daily chart

Demand, generation and carbon intensity

6 August 2025

Generation mix

Wind, solar, gas and interconnector flow