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Daily UK grid report
UK Electricity Grid Daily Report — 25 December 2023

On 25 December 2023, Britain’s electricity grid averaged 27.69 GW of grid demand, with renewables averaging 63.6% of tracked domestic generation and carbon intensity averaging 57 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.69 GW

Average grid demand for this UK day.

Peak demand 34.82 GW

Highest 15-minute grid demand period.

Avg carbon 57 gCO₂/kWh

Average carbon intensity where available.

Renewables 63.6 %

Average renewable share of tracked generation.

Average grid demandDemand
27.69 GWFull-day average from available snapshots
↓ −3.35 GW vs yesterday
Peak demand13:00
34.82 GWHighest 15-minute grid demand period
↓ −2.47 GW vs yesterday
Lowest demand04:15
21.25 GWLowest 15-minute grid demand period
↓ −2.88 GW vs yesterday
Domestic generationSupply
25.04 GWTracked UK generation sources only
↓ −4.29 GW vs yesterday
Average carbonCO₂
57 gCO₂/kWhCarbon intensity average
↑ +12 g vs yesterday
Renewable shareClean
63.6 %Wind, solar, hydro and biomass
↓ −7.0 pts vs yesterday
Clean share+ Nuclear
84.8 %Renewables plus nuclear
↓ −3.9 pts vs yesterday
Net importsFlow
1.97 GWAverage imports minus exports
↑ +1.82 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 25 December 2023, Britain’s electricity grid averaged 27.69 GW of grid demand, with renewables averaging 63.6% of tracked domestic generation and carbon intensity averaging 57 gCO₂/kWh.

The highest demand period was 34.82 GW at 13:00, while the lowest carbon intensity period was 42 gCO₂/kWh at 11:00.

Key records for 25 December 2023

Highest wind16.81 GW22:00
Highest solar0.70 GW11:00
Highest gas3.51 GW06:30
Lowest carbon42 gCO₂/kWh11:00
Highest imports6.40 GW11:15
Highest exports3.11 GW00:00

Daily chart

Demand, generation and carbon intensity

25 December 2023

Generation mix

Wind, solar, gas and interconnector flow