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

On 17 October 2023, Britain’s electricity grid averaged 31.59 GW of grid demand, with renewables averaging 52.5% of tracked domestic generation and carbon intensity averaging 135 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.59 GW

Average grid demand for this UK day.

Peak demand 39.18 GW

Highest 15-minute grid demand period.

Avg carbon 135 gCO₂/kWh

Average carbon intensity where available.

Renewables 52.5 %

Average renewable share of tracked generation.

Average grid demandDemand
31.59 GWFull-day average from available snapshots
↓ −0.25 GW vs yesterday
Peak demand12:45
39.18 GWHighest 15-minute grid demand period
↑ +0.67 GW vs yesterday
Lowest demand03:45
23.08 GWLowest 15-minute grid demand period
↑ +0.54 GW vs yesterday
Domestic generationSupply
29.24 GWTracked UK generation sources only
↑ +1.54 GW vs yesterday
Average carbonCO₂
135 gCO₂/kWhCarbon intensity average
↓ −93 g vs yesterday
Renewable shareClean
52.5 %Wind, solar, hydro and biomass
↑ +25.8 pts vs yesterday
Clean share+ Nuclear
67.4 %Renewables plus nuclear
↑ +24.6 pts vs yesterday
Net importsFlow
1.64 GWAverage imports minus exports
↓ −1.77 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 October 2023, Britain’s electricity grid averaged 31.59 GW of grid demand, with renewables averaging 52.5% of tracked domestic generation and carbon intensity averaging 135 gCO₂/kWh.

The highest demand period was 39.18 GW at 12:45, while the lowest carbon intensity period was 59 gCO₂/kWh at 22:30.

Key records for 17 October 2023

Highest wind18.07 GW22:00
Highest solar7.04 GW13:00
Highest gas11.30 GW08:00
Lowest carbon59 gCO₂/kWh22:30
Highest imports5.44 GW12:45
Highest exports1.87 GW06:15

Daily chart

Demand, generation and carbon intensity

17 October 2023

Generation mix

Wind, solar, gas and interconnector flow