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Daily UK grid report
UK Electricity Grid Daily Report — 14 December 2024

On 14 December 2024, Britain’s electricity grid averaged 34.21 GW of grid demand, with renewables averaging 51.0% of tracked domestic generation and carbon intensity averaging 141 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.21 GW

Average grid demand for this UK day.

Peak demand 41.06 GW

Highest 15-minute grid demand period.

Avg carbon 141 gCO₂/kWh

Average carbon intensity where available.

Renewables 51.0 %

Average renewable share of tracked generation.

Average grid demandDemand
34.21 GWFull-day average from available snapshots
↓ −3.24 GW vs yesterday
Peak demand18:00
41.06 GWHighest 15-minute grid demand period
↓ −2.72 GW vs yesterday
Lowest demand05:15
26.79 GWLowest 15-minute grid demand period
↓ −3.18 GW vs yesterday
Domestic generationSupply
31.21 GWTracked UK generation sources only
↓ −4.47 GW vs yesterday
Average carbonCO₂
141 gCO₂/kWhCarbon intensity average
↓ −132 g vs yesterday
Renewable shareClean
51.0 %Wind, solar, hydro and biomass
↑ +33.5 pts vs yesterday
Clean share+ Nuclear
63.7 %Renewables plus nuclear
↑ +35.3 pts vs yesterday
Net importsFlow
2.60 GWAverage imports minus exports
↑ +2.25 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 14 December 2024, Britain’s electricity grid averaged 34.21 GW of grid demand, with renewables averaging 51.0% of tracked domestic generation and carbon intensity averaging 141 gCO₂/kWh.

The highest demand period was 41.06 GW at 18:00, while the lowest carbon intensity period was 53 gCO₂/kWh at 23:30.

Key records for 14 December 2024

Highest wind17.44 GW23:00
Highest solar4.73 GW11:30
Highest gas14.37 GW00:00
Lowest carbon53 gCO₂/kWh23:30
Highest imports5.00 GW20:00
Highest exports1.65 GW07:00

Daily chart

Demand, generation and carbon intensity

14 December 2024

Generation mix

Wind, solar, gas and interconnector flow