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Daily UK grid report
UK Electricity Grid Daily Report — 27 December 2024

On 27 December 2024, Britain’s electricity grid averaged 31.13 GW of grid demand, with renewables averaging 23.4% of tracked domestic generation and carbon intensity averaging 208 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.13 GW

Average grid demand for this UK day.

Peak demand 38.64 GW

Highest 15-minute grid demand period.

Avg carbon 208 gCO₂/kWh

Average carbon intensity where available.

Renewables 23.4 %

Average renewable share of tracked generation.

Average grid demandDemand
31.13 GWFull-day average from available snapshots
↑ +3.52 GW vs yesterday
Peak demand17:00
38.64 GWHighest 15-minute grid demand period
↑ +5.32 GW vs yesterday
Lowest demand05:15
21.68 GWLowest 15-minute grid demand period
↑ +1.30 GW vs yesterday
Domestic generationSupply
26.69 GWTracked UK generation sources only
↑ +4.73 GW vs yesterday
Average carbonCO₂
208 gCO₂/kWhCarbon intensity average
↑ +51 g vs yesterday
Renewable shareClean
23.4 %Wind, solar, hydro and biomass
↓ −9.8 pts vs yesterday
Clean share+ Nuclear
42.1 %Renewables plus nuclear
↓ −12.9 pts vs yesterday
Net importsFlow
3.58 GWAverage imports minus exports
↓ −1.55 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 27 December 2024, Britain’s electricity grid averaged 31.13 GW of grid demand, with renewables averaging 23.4% of tracked domestic generation and carbon intensity averaging 208 gCO₂/kWh.

The highest demand period was 38.64 GW at 17:00, while the lowest carbon intensity period was 161 gCO₂/kWh at 03:30.

Key records for 27 December 2024

Highest wind3.87 GW22:00
Highest solar1.04 GW12:00
Highest gas19.72 GW18:00
Lowest carbon161 gCO₂/kWh03:30
Highest imports6.39 GW12:00
Highest exports2.78 GW07:00

Daily chart

Demand, generation and carbon intensity

27 December 2024

Generation mix

Wind, solar, gas and interconnector flow