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Daily UK grid report
UK Electricity Grid Daily Report — 23 October 2023

On 23 October 2023, Britain’s electricity grid averaged 31.79 GW of grid demand, with renewables averaging 32.7% of tracked domestic generation and carbon intensity averaging 221 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.79 GW

Average grid demand for this UK day.

Peak demand 39.65 GW

Highest 15-minute grid demand period.

Avg carbon 221 gCO₂/kWh

Average carbon intensity where available.

Renewables 32.7 %

Average renewable share of tracked generation.

Average grid demandDemand
31.79 GWFull-day average from available snapshots
↑ +4.06 GW vs yesterday
Peak demand18:00
39.65 GWHighest 15-minute grid demand period
↑ +5.74 GW vs yesterday
Lowest demand04:15
21.31 GWLowest 15-minute grid demand period
↑ +0.25 GW vs yesterday
Domestic generationSupply
29.02 GWTracked UK generation sources only
↑ +5.55 GW vs yesterday
Average carbonCO₂
221 gCO₂/kWhCarbon intensity average
↑ +63 g vs yesterday
Renewable shareClean
32.7 %Wind, solar, hydro and biomass
↓ −11.3 pts vs yesterday
Clean share+ Nuclear
48.2 %Renewables plus nuclear
↓ −13.8 pts vs yesterday
Net importsFlow
1.74 GWAverage imports minus exports
↓ −1.98 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 October 2023, Britain’s electricity grid averaged 31.79 GW of grid demand, with renewables averaging 32.7% of tracked domestic generation and carbon intensity averaging 221 gCO₂/kWh.

The highest demand period was 39.65 GW at 18:00, while the lowest carbon intensity period was 137 gCO₂/kWh at 23:30.

Key records for 23 October 2023

Highest wind11.26 GW20:30
Highest solar3.86 GW12:00
Highest gas16.73 GW17:30
Lowest carbon137 gCO₂/kWh23:30
Highest imports4.67 GW02:30
Highest exports2.98 GW16:30

Daily chart

Demand, generation and carbon intensity

23 October 2023

Generation mix

Wind, solar, gas and interconnector flow