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Daily UK grid report
UK Electricity Grid Daily Report — 15 October 2023

On 15 October 2023, Britain’s electricity grid averaged 28.67 GW of grid demand, with renewables averaging 55.2% of tracked domestic generation and carbon intensity averaging 110 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.67 GW

Average grid demand for this UK day.

Peak demand 34.93 GW

Highest 15-minute grid demand period.

Avg carbon 110 gCO₂/kWh

Average carbon intensity where available.

Renewables 55.2 %

Average renewable share of tracked generation.

Average grid demandDemand
28.67 GWFull-day average from available snapshots
↑ +0.35 GW vs yesterday
Peak demand18:45
34.93 GWHighest 15-minute grid demand period
↑ +1.46 GW vs yesterday
Lowest demand06:00
22.67 GWLowest 15-minute grid demand period
↑ +0.51 GW vs yesterday
Domestic generationSupply
24.34 GWTracked UK generation sources only
↓ −1.59 GW vs yesterday
Average carbonCO₂
110 gCO₂/kWhCarbon intensity average
↑ +48 g vs yesterday
Renewable shareClean
55.2 %Wind, solar, hydro and biomass
↓ −13.8 pts vs yesterday
Clean share+ Nuclear
72.8 %Renewables plus nuclear
↓ −12.7 pts vs yesterday
Net importsFlow
3.21 GWAverage imports minus exports
↑ +1.32 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 15 October 2023, Britain’s electricity grid averaged 28.67 GW of grid demand, with renewables averaging 55.2% of tracked domestic generation and carbon intensity averaging 110 gCO₂/kWh.

The highest demand period was 34.93 GW at 18:45, while the lowest carbon intensity period was 54 gCO₂/kWh at 11:00.

Key records for 15 October 2023

Highest wind14.03 GW03:30
Highest solar8.65 GW12:30
Highest gas13.23 GW18:30
Lowest carbon54 gCO₂/kWh11:00
Highest imports6.46 GW19:00
Highest exports3.39 GW01:00

Daily chart

Demand, generation and carbon intensity

15 October 2023

Generation mix

Wind, solar, gas and interconnector flow