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Daily UK grid report
UK Electricity Grid Daily Report — 8 August 2025

On 8 August 2025, Britain’s electricity grid averaged 29.91 GW of grid demand, with renewables averaging 64.6% 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 29.91 GW

Average grid demand for this UK day.

Peak demand 35.96 GW

Highest 15-minute grid demand period.

Avg carbon 85 gCO₂/kWh

Average carbon intensity where available.

Renewables 64.6 %

Average renewable share of tracked generation.

Average grid demandDemand
29.91 GWFull-day average from available snapshots
↓ −0.96 GW vs yesterday
Peak demand12:00
35.96 GWHighest 15-minute grid demand period
↓ −0.30 GW vs yesterday
Lowest demand04:15
22.46 GWLowest 15-minute grid demand period
↓ −2.95 GW vs yesterday
Domestic generationSupply
25.00 GWTracked UK generation sources only
↓ −1.15 GW vs yesterday
Average carbonCO₂
85 gCO₂/kWhCarbon intensity average
↑ +3 g vs yesterday
Renewable shareClean
64.6 %Wind, solar, hydro and biomass
↓ −1.2 pts vs yesterday
Clean share+ Nuclear
77.0 %Renewables plus nuclear
↓ −1.5 pts vs yesterday
Net importsFlow
2.74 GWAverage imports minus exports
↑ +0.51 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 8 August 2025, Britain’s electricity grid averaged 29.91 GW of grid demand, with renewables averaging 64.6% of tracked domestic generation and carbon intensity averaging 85 gCO₂/kWh.

The highest demand period was 35.96 GW at 12:00, while the lowest carbon intensity period was 43 gCO₂/kWh at 14:30.

Key records for 8 August 2025

Highest wind12.27 GW11:30
Highest solar11.52 GW13:30
Highest gas9.02 GW21:30
Lowest carbon43 gCO₂/kWh14:30
Highest imports6.18 GW12:00
Highest exports3.92 GW06:45

Daily chart

Demand, generation and carbon intensity

8 August 2025

Generation mix

Wind, solar, gas and interconnector flow