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Daily UK grid report
UK Electricity Grid Daily Report — 19 December 2024

On 19 December 2024, Britain’s electricity grid averaged 37.06 GW of grid demand, with renewables averaging 67.9% of tracked domestic generation and carbon intensity averaging 62 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 37.06 GW

Average grid demand for this UK day.

Peak demand 44.90 GW

Highest 15-minute grid demand period.

Avg carbon 62 gCO₂/kWh

Average carbon intensity where available.

Renewables 67.9 %

Average renewable share of tracked generation.

Average grid demandDemand
37.06 GWFull-day average from available snapshots
↑ +0.02 GW vs yesterday
Peak demand17:00
44.90 GWHighest 15-minute grid demand period
↑ +2.13 GW vs yesterday
Lowest demand04:00
27.36 GWLowest 15-minute grid demand period
↓ −1.09 GW vs yesterday
Domestic generationSupply
32.10 GWTracked UK generation sources only
↓ −1.05 GW vs yesterday
Average carbonCO₂
62 gCO₂/kWhCarbon intensity average
↓ −15 g vs yesterday
Renewable shareClean
67.9 %Wind, solar, hydro and biomass
↑ +3.0 pts vs yesterday
Clean share+ Nuclear
83.0 %Renewables plus nuclear
↑ +4.1 pts vs yesterday
Net importsFlow
4.69 GWAverage imports minus exports
↑ +2.27 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 19 December 2024, Britain’s electricity grid averaged 37.06 GW of grid demand, with renewables averaging 67.9% of tracked domestic generation and carbon intensity averaging 62 gCO₂/kWh.

The highest demand period was 44.90 GW at 17:00, while the lowest carbon intensity period was 36 gCO₂/kWh at 23:30.

Key records for 19 December 2024

Highest wind20.58 GW12:00
Highest solar4.65 GW11:30
Highest gas9.46 GW17:00
Lowest carbon36 gCO₂/kWh23:30
Highest imports6.82 GW19:00
Highest exports2.42 GW05:00

Daily chart

Demand, generation and carbon intensity

19 December 2024

Generation mix

Wind, solar, gas and interconnector flow