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Daily UK grid report
UK Electricity Grid Daily Report — 27 October 2023

On 27 October 2023, Britain’s electricity grid averaged 31.69 GW of grid demand, with renewables averaging 38.7% of tracked domestic generation and carbon intensity averaging 178 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.69 GW

Average grid demand for this UK day.

Peak demand 37.75 GW

Highest 15-minute grid demand period.

Avg carbon 178 gCO₂/kWh

Average carbon intensity where available.

Renewables 38.7 %

Average renewable share of tracked generation.

Average grid demandDemand
31.69 GWFull-day average from available snapshots
↓ −1.18 GW vs yesterday
Peak demand10:30
37.75 GWHighest 15-minute grid demand period
↓ −1.22 GW vs yesterday
Lowest demand04:15
22.87 GWLowest 15-minute grid demand period
↓ −0.57 GW vs yesterday
Domestic generationSupply
27.52 GWTracked UK generation sources only
↓ −3.07 GW vs yesterday
Average carbonCO₂
178 gCO₂/kWhCarbon intensity average
↓ −19 g vs yesterday
Renewable shareClean
38.7 %Wind, solar, hydro and biomass
↑ +1.2 pts vs yesterday
Clean share+ Nuclear
56.0 %Renewables plus nuclear
↑ +2.8 pts vs yesterday
Net importsFlow
3.19 GWAverage imports minus exports
↑ +2.08 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 27 October 2023, Britain’s electricity grid averaged 31.69 GW of grid demand, with renewables averaging 38.7% of tracked domestic generation and carbon intensity averaging 178 gCO₂/kWh.

The highest demand period was 37.75 GW at 10:30, while the lowest carbon intensity period was 104 gCO₂/kWh at 23:30.

Key records for 27 October 2023

Highest wind8.76 GW22:30
Highest solar3.33 GW12:30
Highest gas15.48 GW10:00
Lowest carbon104 gCO₂/kWh23:30
Highest imports5.43 GW23:15
Highest exports2.00 GW07:00

Daily chart

Demand, generation and carbon intensity

27 October 2023

Generation mix

Wind, solar, gas and interconnector flow