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Daily UK grid report
UK Electricity Grid Daily Report — 21 November 2024

On 21 November 2024, Britain’s electricity grid averaged 40.83 GW of grid demand, with renewables averaging 46.5% of tracked domestic generation and carbon intensity averaging 164 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 40.83 GW

Average grid demand for this UK day.

Peak demand 49.20 GW

Highest 15-minute grid demand period.

Avg carbon 164 gCO₂/kWh

Average carbon intensity where available.

Renewables 46.5 %

Average renewable share of tracked generation.

Average grid demandDemand
40.83 GWFull-day average from available snapshots
↑ +1.38 GW vs yesterday
Peak demand18:00
49.20 GWHighest 15-minute grid demand period
↑ +0.39 GW vs yesterday
Lowest demand05:15
29.38 GWLowest 15-minute grid demand period
↑ +0.21 GW vs yesterday
Domestic generationSupply
36.71 GWTracked UK generation sources only
↑ +2.10 GW vs yesterday
Average carbonCO₂
164 gCO₂/kWhCarbon intensity average
↑ +41 g vs yesterday
Renewable shareClean
46.5 %Wind, solar, hydro and biomass
↓ −9.8 pts vs yesterday
Clean share+ Nuclear
58.6 %Renewables plus nuclear
↓ −10.3 pts vs yesterday
Net importsFlow
2.97 GWAverage imports minus exports
↓ −1.13 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 November 2024, Britain’s electricity grid averaged 40.83 GW of grid demand, with renewables averaging 46.5% of tracked domestic generation and carbon intensity averaging 164 gCO₂/kWh.

The highest demand period was 49.20 GW at 18:00, while the lowest carbon intensity period was 64 gCO₂/kWh at 23:30.

Key records for 21 November 2024

Highest wind17.64 GW19:30
Highest solar4.62 GW12:30
Highest gas22.42 GW12:00
Lowest carbon64 gCO₂/kWh23:30
Highest imports7.38 GW00:30
Highest exports2.77 GW19:00

Daily chart

Demand, generation and carbon intensity

21 November 2024

Generation mix

Wind, solar, gas and interconnector flow