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Daily UK grid report
UK Electricity Grid Daily Report — 23 July 2023

On 23 July 2023, Britain’s electricity grid averaged 25.98 GW of grid demand, with renewables averaging 62.6% of tracked domestic generation and carbon intensity averaging 81 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 25.98 GW

Average grid demand for this UK day.

Peak demand 31.34 GW

Highest 15-minute grid demand period.

Avg carbon 81 gCO₂/kWh

Average carbon intensity where available.

Renewables 62.6 %

Average renewable share of tracked generation.

Average grid demandDemand
25.98 GWFull-day average from available snapshots
↑ +0.63 GW vs yesterday
Peak demand12:00
31.34 GWHighest 15-minute grid demand period
↑ +0.29 GW vs yesterday
Lowest demand03:15
20.33 GWLowest 15-minute grid demand period
↑ +1.86 GW vs yesterday
Domestic generationSupply
22.79 GWTracked UK generation sources only
↑ +2.27 GW vs yesterday
Average carbonCO₂
81 gCO₂/kWhCarbon intensity average
↓ −37 g vs yesterday
Renewable shareClean
62.6 %Wind, solar, hydro and biomass
↑ +16.2 pts vs yesterday
Clean share+ Nuclear
79.3 %Renewables plus nuclear
↑ +10.5 pts vs yesterday
Net importsFlow
2.17 GWAverage imports minus exports
↓ −1.94 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 July 2023, Britain’s electricity grid averaged 25.98 GW of grid demand, with renewables averaging 62.6% of tracked domestic generation and carbon intensity averaging 81 gCO₂/kWh.

The highest demand period was 31.34 GW at 12:00, while the lowest carbon intensity period was 50 gCO₂/kWh at 13:00.

Key records for 23 July 2023

Highest wind14.41 GW06:30
Highest solar6.69 GW13:00
Highest gas6.21 GW21:00
Lowest carbon50 gCO₂/kWh13:00
Highest imports7.47 GW17:15
Highest exports3.77 GW05:00

Daily chart

Demand, generation and carbon intensity

23 July 2023

Generation mix

Wind, solar, gas and interconnector flow