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Daily UK grid report
UK Electricity Grid Daily Report — 11 December 2024

On 11 December 2024, Britain’s electricity grid averaged 39.25 GW of grid demand, with renewables averaging 18.4% of tracked domestic generation and carbon intensity averaging 266 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 39.25 GW

Average grid demand for this UK day.

Peak demand 45.44 GW

Highest 15-minute grid demand period.

Avg carbon 266 gCO₂/kWh

Average carbon intensity where available.

Renewables 18.4 %

Average renewable share of tracked generation.

Average grid demandDemand
39.25 GWFull-day average from available snapshots
↑ +0.22 GW vs yesterday
Peak demand17:00
45.44 GWHighest 15-minute grid demand period
↓ −0.59 GW vs yesterday
Lowest demand03:30
31.64 GWLowest 15-minute grid demand period
↑ +3.93 GW vs yesterday
Domestic generationSupply
36.23 GWTracked UK generation sources only
↑ +1.22 GW vs yesterday
Average carbonCO₂
266 gCO₂/kWhCarbon intensity average
↑ +71 g vs yesterday
Renewable shareClean
18.4 %Wind, solar, hydro and biomass
↓ −19.1 pts vs yesterday
Clean share+ Nuclear
28.5 %Renewables plus nuclear
↓ −19.5 pts vs yesterday
Net importsFlow
1.34 GWAverage imports minus exports
↓ −1.22 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 11 December 2024, Britain’s electricity grid averaged 39.25 GW of grid demand, with renewables averaging 18.4% of tracked domestic generation and carbon intensity averaging 266 gCO₂/kWh.

The highest demand period was 45.44 GW at 17:00, while the lowest carbon intensity period was 249 gCO₂/kWh at 00:00.

Key records for 11 December 2024

Highest wind5.61 GW00:00
Highest solar0.61 GW11:30
Highest gas27.23 GW08:30
Lowest carbon249 gCO₂/kWh00:00
Highest imports5.59 GW17:00
Highest exports5.14 GW05:00

Daily chart

Demand, generation and carbon intensity

11 December 2024

Generation mix

Wind, solar, gas and interconnector flow