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Daily UK grid report
UK Electricity Grid Daily Report — 17 August 2023

On 17 August 2023, Britain’s electricity grid averaged 30.25 GW of grid demand, with renewables averaging 43.3% of tracked domestic generation and carbon intensity averaging 162 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.25 GW

Average grid demand for this UK day.

Peak demand 36.04 GW

Highest 15-minute grid demand period.

Avg carbon 162 gCO₂/kWh

Average carbon intensity where available.

Renewables 43.3 %

Average renewable share of tracked generation.

Average grid demandDemand
30.25 GWFull-day average from available snapshots
↑ +1.17 GW vs yesterday
Peak demand13:00
36.04 GWHighest 15-minute grid demand period
↑ +1.68 GW vs yesterday
Lowest demand03:30
21.89 GWLowest 15-minute grid demand period
↓ −0.31 GW vs yesterday
Domestic generationSupply
28.66 GWTracked UK generation sources only
↑ +3.14 GW vs yesterday
Average carbonCO₂
162 gCO₂/kWhCarbon intensity average
↓ −71 g vs yesterday
Renewable shareClean
43.3 %Wind, solar, hydro and biomass
↑ +21.6 pts vs yesterday
Clean share+ Nuclear
58.3 %Renewables plus nuclear
↑ +20.2 pts vs yesterday
Net importsFlow
-0.69 GWAverage imports minus exports
↓ −2.89 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 August 2023, Britain’s electricity grid averaged 30.25 GW of grid demand, with renewables averaging 43.3% of tracked domestic generation and carbon intensity averaging 162 gCO₂/kWh.

The highest demand period was 36.04 GW at 13:00, while the lowest carbon intensity period was 123 gCO₂/kWh at 23:30.

Key records for 17 August 2023

Highest wind12.88 GW21:30
Highest solar7.66 GW13:00
Highest gas13.25 GW07:30
Lowest carbon123 gCO₂/kWh23:30
Highest imports3.06 GW03:00
Highest exports3.96 GW22:45

Daily chart

Demand, generation and carbon intensity

17 August 2023

Generation mix

Wind, solar, gas and interconnector flow