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Daily UK grid report
UK Electricity Grid Daily Report — 24 September 2023

On 24 September 2023, Britain’s electricity grid averaged 28.58 GW of grid demand, with renewables averaging 66.7% of tracked domestic generation and carbon intensity averaging 58 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.58 GW

Average grid demand for this UK day.

Peak demand 33.45 GW

Highest 15-minute grid demand period.

Avg carbon 58 gCO₂/kWh

Average carbon intensity where available.

Renewables 66.7 %

Average renewable share of tracked generation.

Average grid demandDemand
28.58 GWFull-day average from available snapshots
↑ +1.74 GW vs yesterday
Peak demand13:00
33.45 GWHighest 15-minute grid demand period
↑ +1.76 GW vs yesterday
Lowest demand05:30
23.44 GWLowest 15-minute grid demand period
↑ +2.29 GW vs yesterday
Domestic generationSupply
27.61 GWTracked UK generation sources only
↑ +5.02 GW vs yesterday
Average carbonCO₂
58 gCO₂/kWhCarbon intensity average
↓ −74 g vs yesterday
Renewable shareClean
66.7 %Wind, solar, hydro and biomass
↑ +23.6 pts vs yesterday
Clean share+ Nuclear
85.6 %Renewables plus nuclear
↑ +19.3 pts vs yesterday
Net importsFlow
-1.02 GWAverage imports minus exports
↓ −4.25 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 24 September 2023, Britain’s electricity grid averaged 28.58 GW of grid demand, with renewables averaging 66.7% of tracked domestic generation and carbon intensity averaging 58 gCO₂/kWh.

The highest demand period was 33.45 GW at 13:00, while the lowest carbon intensity period was 36 gCO₂/kWh at 15:00.

Key records for 24 September 2023

Highest wind19.49 GW15:00
Highest solar4.02 GW13:30
Highest gas4.86 GW19:30
Lowest carbon36 gCO₂/kWh15:00
Highest imports3.46 GW17:15
Highest exports5.22 GW23:45

Daily chart

Demand, generation and carbon intensity

24 September 2023

Generation mix

Wind, solar, gas and interconnector flow