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Daily UK grid report
UK Electricity Grid Daily Report — 17 December 2024

On 17 December 2024, Britain’s electricity grid averaged 37.44 GW of grid demand, with renewables averaging 57.5% of tracked domestic generation and carbon intensity averaging 112 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 37.44 GW

Average grid demand for this UK day.

Peak demand 45.98 GW

Highest 15-minute grid demand period.

Avg carbon 112 gCO₂/kWh

Average carbon intensity where available.

Renewables 57.5 %

Average renewable share of tracked generation.

Average grid demandDemand
37.44 GWFull-day average from available snapshots
↑ +0.10 GW vs yesterday
Peak demand17:30
45.98 GWHighest 15-minute grid demand period
↑ +1.66 GW vs yesterday
Lowest demand05:15
25.70 GWLowest 15-minute grid demand period
↓ −4.26 GW vs yesterday
Domestic generationSupply
34.68 GWTracked UK generation sources only
↓ −0.04 GW vs yesterday
Average carbonCO₂
112 gCO₂/kWhCarbon intensity average
↑ +32 g vs yesterday
Renewable shareClean
57.5 %Wind, solar, hydro and biomass
↓ −9.1 pts vs yesterday
Clean share+ Nuclear
71.3 %Renewables plus nuclear
↓ −8.0 pts vs yesterday
Net importsFlow
1.41 GWAverage imports minus exports
↑ +0.23 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 December 2024, Britain’s electricity grid averaged 37.44 GW of grid demand, with renewables averaging 57.5% of tracked domestic generation and carbon intensity averaging 112 gCO₂/kWh.

The highest demand period was 45.98 GW at 17:30, while the lowest carbon intensity period was 46 gCO₂/kWh at 00:00.

Key records for 17 December 2024

Highest wind22.35 GW18:30
Highest solar0.66 GW11:30
Highest gas15.53 GW14:00
Lowest carbon46 gCO₂/kWh00:00
Highest imports4.81 GW10:00
Highest exports4.12 GW23:00

Daily chart

Demand, generation and carbon intensity

17 December 2024

Generation mix

Wind, solar, gas and interconnector flow