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Daily UK grid report
UK Electricity Grid Daily Report — 18 August 2023

On 18 August 2023, Britain’s electricity grid averaged 29.18 GW of grid demand, with renewables averaging 52.8% of tracked domestic generation and carbon intensity averaging 128 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.18 GW

Average grid demand for this UK day.

Peak demand 34.47 GW

Highest 15-minute grid demand period.

Avg carbon 128 gCO₂/kWh

Average carbon intensity where available.

Renewables 52.8 %

Average renewable share of tracked generation.

Average grid demandDemand
29.18 GWFull-day average from available snapshots
↓ −1.07 GW vs yesterday
Peak demand13:30
34.47 GWHighest 15-minute grid demand period
↓ −1.57 GW vs yesterday
Lowest demand03:15
22.33 GWLowest 15-minute grid demand period
↑ +0.44 GW vs yesterday
Domestic generationSupply
27.39 GWTracked UK generation sources only
↓ −1.27 GW vs yesterday
Average carbonCO₂
128 gCO₂/kWhCarbon intensity average
↓ −33 g vs yesterday
Renewable shareClean
52.8 %Wind, solar, hydro and biomass
↑ +9.4 pts vs yesterday
Clean share+ Nuclear
68.1 %Renewables plus nuclear
↑ +9.8 pts vs yesterday
Net importsFlow
0.07 GWAverage imports minus exports
↑ +0.76 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 18 August 2023, Britain’s electricity grid averaged 29.18 GW of grid demand, with renewables averaging 52.8% of tracked domestic generation and carbon intensity averaging 128 gCO₂/kWh.

The highest demand period was 34.47 GW at 13:30, while the lowest carbon intensity period was 96 gCO₂/kWh at 23:30.

Key records for 18 August 2023

Highest wind13.58 GW23:00
Highest solar4.13 GW13:30
Highest gas12.11 GW17:30
Lowest carbon96 gCO₂/kWh23:30
Highest imports3.73 GW13:00
Highest exports3.18 GW06:00

Daily chart

Demand, generation and carbon intensity

18 August 2023

Generation mix

Wind, solar, gas and interconnector flow