Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 21 July 2024

On 21 July 2024, Britain’s electricity grid averaged 25.73 GW of grid demand, with renewables averaging 49.9% of tracked domestic generation and carbon intensity averaging 100 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 25.73 GW

Average grid demand for this UK day.

Peak demand 29.91 GW

Highest 15-minute grid demand period.

Avg carbon 100 gCO₂/kWh

Average carbon intensity where available.

Renewables 49.9 %

Average renewable share of tracked generation.

Average grid demandDemand
25.73 GWFull-day average from available snapshots
↓ −0.94 GW vs yesterday
Peak demand18:00
29.91 GWHighest 15-minute grid demand period
↓ −1.02 GW vs yesterday
Lowest demand05:45
19.55 GWLowest 15-minute grid demand period
↓ −1.49 GW vs yesterday
Domestic generationSupply
19.39 GWTracked UK generation sources only
↓ −0.46 GW vs yesterday
Average carbonCO₂
100 gCO₂/kWhCarbon intensity average
↓ −24 g vs yesterday
Renewable shareClean
49.9 %Wind, solar, hydro and biomass
↑ +5.3 pts vs yesterday
Clean share+ Nuclear
71.7 %Renewables plus nuclear
↑ +6.0 pts vs yesterday
Net importsFlow
5.77 GWAverage imports minus exports
↓ −0.35 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 July 2024, Britain’s electricity grid averaged 25.73 GW of grid demand, with renewables averaging 49.9% of tracked domestic generation and carbon intensity averaging 100 gCO₂/kWh.

The highest demand period was 29.91 GW at 18:00, while the lowest carbon intensity period was 52 gCO₂/kWh at 10:30.

Key records for 21 July 2024

Highest wind6.88 GW01:30
Highest solar7.71 GW14:30
Highest gas10.14 GW21:30
Lowest carbon52 gCO₂/kWh10:30
Highest imports7.53 GW00:00
Highest exports1.64 GW19:30

Daily chart

Demand, generation and carbon intensity

21 July 2024

Generation mix

Wind, solar, gas and interconnector flow