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Daily UK grid report
UK Electricity Grid Daily Report — 13 December 2024

On 13 December 2024, Britain’s electricity grid averaged 37.45 GW of grid demand, with renewables averaging 17.5% of tracked domestic generation and carbon intensity averaging 274 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 37.45 GW

Average grid demand for this UK day.

Peak demand 43.79 GW

Highest 15-minute grid demand period.

Avg carbon 274 gCO₂/kWh

Average carbon intensity where available.

Renewables 17.5 %

Average renewable share of tracked generation.

Average grid demandDemand
37.45 GWFull-day average from available snapshots
↓ −0.90 GW vs yesterday
Peak demand17:00
43.79 GWHighest 15-minute grid demand period
↑ +0.04 GW vs yesterday
Lowest demand04:15
29.97 GWLowest 15-minute grid demand period
↓ −1.23 GW vs yesterday
Domestic generationSupply
35.68 GWTracked UK generation sources only
↓ −0.41 GW vs yesterday
Average carbonCO₂
274 gCO₂/kWhCarbon intensity average
↓ −6 g vs yesterday
Renewable shareClean
17.5 %Wind, solar, hydro and biomass
↑ +2.7 pts vs yesterday
Clean share+ Nuclear
28.5 %Renewables plus nuclear
↑ +3.0 pts vs yesterday
Net importsFlow
0.35 GWAverage imports minus exports
↓ −0.12 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 13 December 2024, Britain’s electricity grid averaged 37.45 GW of grid demand, with renewables averaging 17.5% of tracked domestic generation and carbon intensity averaging 274 gCO₂/kWh.

The highest demand period was 43.79 GW at 17:00, while the lowest carbon intensity period was 211 gCO₂/kWh at 23:30.

Key records for 13 December 2024

Highest wind6.35 GW23:30
Highest solar0.69 GW11:30
Highest gas26.87 GW09:30
Lowest carbon211 gCO₂/kWh23:30
Highest imports4.33 GW13:00
Highest exports4.78 GW06:00

Daily chart

Demand, generation and carbon intensity

13 December 2024

Generation mix

Wind, solar, gas and interconnector flow