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Daily UK grid report
UK Electricity Grid Daily Report — 11 August 2023

On 11 August 2023, Britain’s electricity grid averaged 28.62 GW of grid demand, with renewables averaging 56.4% of tracked domestic generation and carbon intensity averaging 111 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.62 GW

Average grid demand for this UK day.

Peak demand 34.19 GW

Highest 15-minute grid demand period.

Avg carbon 111 gCO₂/kWh

Average carbon intensity where available.

Renewables 56.4 %

Average renewable share of tracked generation.

Average grid demandDemand
28.62 GWFull-day average from available snapshots
↓ −0.37 GW vs yesterday
Peak demand12:00
34.19 GWHighest 15-minute grid demand period
↓ −0.62 GW vs yesterday
Lowest demand04:45
22.18 GWLowest 15-minute grid demand period
↑ +0.89 GW vs yesterday
Domestic generationSupply
25.73 GWTracked UK generation sources only
↑ +0.28 GW vs yesterday
Average carbonCO₂
111 gCO₂/kWhCarbon intensity average
↓ −87 g vs yesterday
Renewable shareClean
56.4 %Wind, solar, hydro and biomass
↑ +26.5 pts vs yesterday
Clean share+ Nuclear
72.7 %Renewables plus nuclear
↑ +26.1 pts vs yesterday
Net importsFlow
1.81 GWAverage imports minus exports
↓ −0.69 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 11 August 2023, Britain’s electricity grid averaged 28.62 GW of grid demand, with renewables averaging 56.4% of tracked domestic generation and carbon intensity averaging 111 gCO₂/kWh.

The highest demand period was 34.19 GW at 12:00, while the lowest carbon intensity period was 52 gCO₂/kWh at 12:00.

Key records for 11 August 2023

Highest wind12.71 GW15:30
Highest solar8.64 GW12:00
Highest gas9.97 GW20:30
Lowest carbon52 gCO₂/kWh12:00
Highest imports6.51 GW11:00
Highest exports2.55 GW22:00

Daily chart

Demand, generation and carbon intensity

11 August 2023

Generation mix

Wind, solar, gas and interconnector flow