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Daily UK grid report
UK Electricity Grid Daily Report — 30 December 2024

On 30 December 2024, Britain’s electricity grid averaged 33.90 GW of grid demand, with renewables averaging 65.8% of tracked domestic generation and carbon intensity averaging 64 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.90 GW

Average grid demand for this UK day.

Peak demand 39.80 GW

Highest 15-minute grid demand period.

Avg carbon 64 gCO₂/kWh

Average carbon intensity where available.

Renewables 65.8 %

Average renewable share of tracked generation.

Average grid demandDemand
33.90 GWFull-day average from available snapshots
↑ +1.94 GW vs yesterday
Peak demand17:00
39.80 GWHighest 15-minute grid demand period
↑ +0.36 GW vs yesterday
Lowest demand03:30
27.48 GWLowest 15-minute grid demand period
↑ +2.72 GW vs yesterday
Domestic generationSupply
30.72 GWTracked UK generation sources only
↑ +1.49 GW vs yesterday
Average carbonCO₂
64 gCO₂/kWhCarbon intensity average
↓ −27 g vs yesterday
Renewable shareClean
65.8 %Wind, solar, hydro and biomass
↑ +7.1 pts vs yesterday
Clean share+ Nuclear
82.5 %Renewables plus nuclear
↑ +6.3 pts vs yesterday
Net importsFlow
1.57 GWAverage imports minus exports
↓ −0.23 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 December 2024, Britain’s electricity grid averaged 33.90 GW of grid demand, with renewables averaging 65.8% of tracked domestic generation and carbon intensity averaging 64 gCO₂/kWh.

The highest demand period was 39.80 GW at 17:00, while the lowest carbon intensity period was 40 gCO₂/kWh at 23:30.

Key records for 30 December 2024

Highest wind18.77 GW12:30
Highest solar3.24 GW11:00
Highest gas8.95 GW18:00
Lowest carbon40 gCO₂/kWh23:30
Highest imports4.13 GW01:00
Highest exports4.12 GW05:45

Daily chart

Demand, generation and carbon intensity

30 December 2024

Generation mix

Wind, solar, gas and interconnector flow