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

On 21 June 2024, Britain’s electricity grid averaged 29.00 GW of grid demand, with renewables averaging 54.5% of tracked domestic generation and carbon intensity averaging 90 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.00 GW

Average grid demand for this UK day.

Peak demand 35.46 GW

Highest 15-minute grid demand period.

Avg carbon 90 gCO₂/kWh

Average carbon intensity where available.

Renewables 54.5 %

Average renewable share of tracked generation.

Average grid demandDemand
29.00 GWFull-day average from available snapshots
↓ −0.44 GW vs yesterday
Peak demand13:00
35.46 GWHighest 15-minute grid demand period
↑ +0.15 GW vs yesterday
Lowest demand04:30
20.83 GWLowest 15-minute grid demand period
↓ −0.22 GW vs yesterday
Domestic generationSupply
24.08 GWTracked UK generation sources only
↑ +0.42 GW vs yesterday
Average carbonCO₂
90 gCO₂/kWhCarbon intensity average
↓ −47 g vs yesterday
Renewable shareClean
54.5 %Wind, solar, hydro and biomass
↑ +15.4 pts vs yesterday
Clean share+ Nuclear
74.9 %Renewables plus nuclear
↑ +15.0 pts vs yesterday
Net importsFlow
4.08 GWAverage imports minus exports
↓ −0.54 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 June 2024, Britain’s electricity grid averaged 29.00 GW of grid demand, with renewables averaging 54.5% of tracked domestic generation and carbon intensity averaging 90 gCO₂/kWh.

The highest demand period was 35.46 GW at 13:00, while the lowest carbon intensity period was 40 gCO₂/kWh at 15:00.

Key records for 21 June 2024

Highest wind11.46 GW16:00
Highest solar10.20 GW13:00
Highest gas7.19 GW08:00
Lowest carbon40 gCO₂/kWh15:00
Highest imports6.16 GW23:00
Highest exports2.59 GW15:00

Daily chart

Demand, generation and carbon intensity

21 June 2024

Generation mix

Wind, solar, gas and interconnector flow