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Daily UK grid report
UK Electricity Grid Daily Report — 22 July 2023

On 22 July 2023, Britain’s electricity grid averaged 25.35 GW of grid demand, with renewables averaging 46.4% of tracked domestic generation and carbon intensity averaging 117 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 25.35 GW

Average grid demand for this UK day.

Peak demand 31.05 GW

Highest 15-minute grid demand period.

Avg carbon 117 gCO₂/kWh

Average carbon intensity where available.

Renewables 46.4 %

Average renewable share of tracked generation.

Average grid demandDemand
25.35 GWFull-day average from available snapshots
↓ −2.76 GW vs yesterday
Peak demand18:00
31.05 GWHighest 15-minute grid demand period
↓ −3.20 GW vs yesterday
Lowest demand04:45
18.47 GWLowest 15-minute grid demand period
↓ −3.43 GW vs yesterday
Domestic generationSupply
20.52 GWTracked UK generation sources only
↓ −5.00 GW vs yesterday
Average carbonCO₂
117 gCO₂/kWhCarbon intensity average
↓ −90 g vs yesterday
Renewable shareClean
46.4 %Wind, solar, hydro and biomass
↑ +16.8 pts vs yesterday
Clean share+ Nuclear
68.8 %Renewables plus nuclear
↑ +21.7 pts vs yesterday
Net importsFlow
4.11 GWAverage imports minus exports
↑ +2.78 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 22 July 2023, Britain’s electricity grid averaged 25.35 GW of grid demand, with renewables averaging 46.4% of tracked domestic generation and carbon intensity averaging 117 gCO₂/kWh.

The highest demand period was 31.05 GW at 18:00, while the lowest carbon intensity period was 77 gCO₂/kWh at 15:30.

Key records for 22 July 2023

Highest wind11.43 GW17:30
Highest solar2.57 GW13:00
Highest gas9.56 GW00:00
Lowest carbon77 gCO₂/kWh15:30
Highest imports7.11 GW08:15
Highest exports1.75 GW18:30

Daily chart

Demand, generation and carbon intensity

22 July 2023

Generation mix

Wind, solar, gas and interconnector flow