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Daily UK grid report
UK Electricity Grid Daily Report — 4 December 2024

On 4 December 2024, Britain’s electricity grid averaged 38.99 GW of grid demand, with renewables averaging 38.4% of tracked domestic generation and carbon intensity averaging 205 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 38.99 GW

Average grid demand for this UK day.

Peak demand 47.36 GW

Highest 15-minute grid demand period.

Avg carbon 205 gCO₂/kWh

Average carbon intensity where available.

Renewables 38.4 %

Average renewable share of tracked generation.

Average grid demandDemand
38.99 GWFull-day average from available snapshots
↑ +1.74 GW vs yesterday
Peak demand18:00
47.36 GWHighest 15-minute grid demand period
↑ +2.53 GW vs yesterday
Lowest demand04:30
29.22 GWLowest 15-minute grid demand period
↑ +3.54 GW vs yesterday
Domestic generationSupply
36.84 GWTracked UK generation sources only
↑ +4.69 GW vs yesterday
Average carbonCO₂
205 gCO₂/kWhCarbon intensity average
↓ −8 g vs yesterday
Renewable shareClean
38.4 %Wind, solar, hydro and biomass
↑ +5.5 pts vs yesterday
Clean share+ Nuclear
46.6 %Renewables plus nuclear
↑ +4.0 pts vs yesterday
Net importsFlow
0.15 GWAverage imports minus exports
↓ −4.22 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 4 December 2024, Britain’s electricity grid averaged 38.99 GW of grid demand, with renewables averaging 38.4% of tracked domestic generation and carbon intensity averaging 205 gCO₂/kWh.

The highest demand period was 47.36 GW at 18:00, while the lowest carbon intensity period was 80 gCO₂/kWh at 23:30.

Key records for 4 December 2024

Highest wind20.44 GW22:30
Highest solar2.27 GW11:30
Highest gas23.50 GW09:00
Lowest carbon80 gCO₂/kWh23:30
Highest imports4.93 GW12:15
Highest exports4.73 GW05:00

Daily chart

Demand, generation and carbon intensity

4 December 2024

Generation mix

Wind, solar, gas and interconnector flow