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Daily UK grid report
UK Electricity Grid Daily Report — 26 December 2023

On 26 December 2023, Britain’s electricity grid averaged 28.24 GW of grid demand, with renewables averaging 50.0% of tracked domestic generation and carbon intensity averaging 103 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.24 GW

Average grid demand for this UK day.

Peak demand 32.34 GW

Highest 15-minute grid demand period.

Avg carbon 103 gCO₂/kWh

Average carbon intensity where available.

Renewables 50.0 %

Average renewable share of tracked generation.

Average grid demandDemand
28.24 GWFull-day average from available snapshots
↑ +0.55 GW vs yesterday
Peak demand17:15
32.34 GWHighest 15-minute grid demand period
↓ −2.48 GW vs yesterday
Lowest demand05:30
23.56 GWLowest 15-minute grid demand period
↑ +2.31 GW vs yesterday
Domestic generationSupply
24.85 GWTracked UK generation sources only
↓ −0.19 GW vs yesterday
Average carbonCO₂
103 gCO₂/kWhCarbon intensity average
↑ +46 g vs yesterday
Renewable shareClean
50.0 %Wind, solar, hydro and biomass
↓ −13.6 pts vs yesterday
Clean share+ Nuclear
71.4 %Renewables plus nuclear
↓ −13.3 pts vs yesterday
Net importsFlow
2.43 GWAverage imports minus exports
↑ +0.46 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 26 December 2023, Britain’s electricity grid averaged 28.24 GW of grid demand, with renewables averaging 50.0% of tracked domestic generation and carbon intensity averaging 103 gCO₂/kWh.

The highest demand period was 32.34 GW at 17:15, while the lowest carbon intensity period was 53 gCO₂/kWh at 09:00.

Key records for 26 December 2023

Highest wind16.97 GW02:00
Highest solar3.00 GW10:30
Highest gas13.27 GW16:30
Lowest carbon53 gCO₂/kWh09:00
Highest imports7.30 GW20:45
Highest exports4.58 GW04:00

Daily chart

Demand, generation and carbon intensity

26 December 2023

Generation mix

Wind, solar, gas and interconnector flow