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Daily UK grid report
UK Electricity Grid Daily Report — 22 December 2024

On 22 December 2024, Britain’s electricity grid averaged 35.42 GW of grid demand, with renewables averaging 72.6% of tracked domestic generation and carbon intensity averaging 50 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 35.42 GW

Average grid demand for this UK day.

Peak demand 42.31 GW

Highest 15-minute grid demand period.

Avg carbon 50 gCO₂/kWh

Average carbon intensity where available.

Renewables 72.6 %

Average renewable share of tracked generation.

Average grid demandDemand
35.42 GWFull-day average from available snapshots
↑ +1.16 GW vs yesterday
Peak demand17:30
42.31 GWHighest 15-minute grid demand period
↑ +1.97 GW vs yesterday
Lowest demand02:30
30.58 GWLowest 15-minute grid demand period
↑ +1.86 GW vs yesterday
Domestic generationSupply
32.96 GWTracked UK generation sources only
↑ +1.37 GW vs yesterday
Average carbonCO₂
50 gCO₂/kWhCarbon intensity average
↓ −8 g vs yesterday
Renewable shareClean
72.6 %Wind, solar, hydro and biomass
↑ +2.3 pts vs yesterday
Clean share+ Nuclear
87.3 %Renewables plus nuclear
↑ +1.6 pts vs yesterday
Net importsFlow
0.86 GWAverage imports minus exports
↓ −0.85 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 22 December 2024, Britain’s electricity grid averaged 35.42 GW of grid demand, with renewables averaging 72.6% of tracked domestic generation and carbon intensity averaging 50 gCO₂/kWh.

The highest demand period was 42.31 GW at 17:30, while the lowest carbon intensity period was 38 gCO₂/kWh at 12:00.

Key records for 22 December 2024

Highest wind22.38 GW12:30
Highest solar3.88 GW11:30
Highest gas5.20 GW19:00
Lowest carbon38 gCO₂/kWh12:00
Highest imports7.06 GW17:00
Highest exports5.57 GW05:45

Daily chart

Demand, generation and carbon intensity

22 December 2024

Generation mix

Wind, solar, gas and interconnector flow