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

On 21 October 2024, Britain’s electricity grid averaged 32.99 GW of grid demand, with renewables averaging 60.2% 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 32.99 GW

Average grid demand for this UK day.

Peak demand 39.10 GW

Highest 15-minute grid demand period.

Avg carbon 112 gCO₂/kWh

Average carbon intensity where available.

Renewables 60.2 %

Average renewable share of tracked generation.

Average grid demandDemand
32.99 GWFull-day average from available snapshots
↑ +3.50 GW vs yesterday
Peak demand18:00
39.10 GWHighest 15-minute grid demand period
↑ +2.56 GW vs yesterday
Lowest demand02:30
25.53 GWLowest 15-minute grid demand period
↑ +4.09 GW vs yesterday
Domestic generationSupply
31.39 GWTracked UK generation sources only
↑ +3.58 GW vs yesterday
Average carbonCO₂
112 gCO₂/kWhCarbon intensity average
↑ +33 g vs yesterday
Renewable shareClean
60.2 %Wind, solar, hydro and biomass
↓ −6.6 pts vs yesterday
Clean share+ Nuclear
72.4 %Renewables plus nuclear
↓ −8.3 pts vs yesterday
Net importsFlow
0.49 GWAverage imports minus exports
↓ −1.19 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 October 2024, Britain’s electricity grid averaged 32.99 GW of grid demand, with renewables averaging 60.2% of tracked domestic generation and carbon intensity averaging 112 gCO₂/kWh.

The highest demand period was 39.10 GW at 18:00, while the lowest carbon intensity period was 65 gCO₂/kWh at 02:00.

Key records for 21 October 2024

Highest wind18.06 GW00:00
Highest solar2.65 GW12:30
Highest gas15.44 GW18:30
Lowest carbon65 gCO₂/kWh02:00
Highest imports4.20 GW09:00
Highest exports3.62 GW01:00

Daily chart

Demand, generation and carbon intensity

21 October 2024

Generation mix

Wind, solar, gas and interconnector flow