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Daily UK grid report
UK Electricity Grid Daily Report — 31 August 2023

On 31 August 2023, Britain’s electricity grid averaged 28.92 GW of grid demand, with renewables averaging 21.5% of tracked domestic generation and carbon intensity averaging 212 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.92 GW

Average grid demand for this UK day.

Peak demand 34.71 GW

Highest 15-minute grid demand period.

Avg carbon 212 gCO₂/kWh

Average carbon intensity where available.

Renewables 21.5 %

Average renewable share of tracked generation.

Average grid demandDemand
28.92 GWFull-day average from available snapshots
↓ −0.38 GW vs yesterday
Peak demand12:30
34.71 GWHighest 15-minute grid demand period
↑ +0.18 GW vs yesterday
Lowest demand04:15
21.04 GWLowest 15-minute grid demand period
↓ −0.96 GW vs yesterday
Domestic generationSupply
25.29 GWTracked UK generation sources only
↓ −1.80 GW vs yesterday
Average carbonCO₂
212 gCO₂/kWhCarbon intensity average
↑ +49 g vs yesterday
Renewable shareClean
21.5 %Wind, solar, hydro and biomass
↓ −15.9 pts vs yesterday
Clean share+ Nuclear
42.3 %Renewables plus nuclear
↓ −14.6 pts vs yesterday
Net importsFlow
2.47 GWAverage imports minus exports
↑ +2.07 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 31 August 2023, Britain’s electricity grid averaged 28.92 GW of grid demand, with renewables averaging 21.5% of tracked domestic generation and carbon intensity averaging 212 gCO₂/kWh.

The highest demand period was 34.71 GW at 12:30, while the lowest carbon intensity period was 176 gCO₂/kWh at 12:30.

Key records for 31 August 2023

Highest wind3.43 GW18:30
Highest solar5.75 GW12:30
Highest gas16.86 GW18:00
Lowest carbon176 gCO₂/kWh12:30
Highest imports6.41 GW13:00
Highest exports2.51 GW05:00

Daily chart

Demand, generation and carbon intensity

31 August 2023

Generation mix

Wind, solar, gas and interconnector flow