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Daily UK grid report
UK Electricity Grid Daily Report — 4 July 2023

On 4 July 2023, Britain’s electricity grid averaged 29.18 GW of grid demand, with renewables averaging 43.5% of tracked domestic generation and carbon intensity averaging 123 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.18 GW

Average grid demand for this UK day.

Peak demand 33.26 GW

Highest 15-minute grid demand period.

Avg carbon 123 gCO₂/kWh

Average carbon intensity where available.

Renewables 43.5 %

Average renewable share of tracked generation.

Average grid demandDemand
29.18 GWFull-day average from available snapshots
↑ +0.13 GW vs yesterday
Peak demand16:00
33.26 GWHighest 15-minute grid demand period
↓ −1.18 GW vs yesterday
Lowest demand23:30
23.10 GWLowest 15-minute grid demand period
↓ −0.13 GW vs yesterday
Domestic generationSupply
24.67 GWTracked UK generation sources only
↓ −1.59 GW vs yesterday
Average carbonCO₂
123 gCO₂/kWhCarbon intensity average
↑ +56 g vs yesterday
Renewable shareClean
43.5 %Wind, solar, hydro and biomass
↓ −19.9 pts vs yesterday
Clean share+ Nuclear
65.1 %Renewables plus nuclear
↓ −18.6 pts vs yesterday
Net importsFlow
2.89 GWAverage imports minus exports
↑ +1.92 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 4 July 2023, Britain’s electricity grid averaged 29.18 GW of grid demand, with renewables averaging 43.5% of tracked domestic generation and carbon intensity averaging 123 gCO₂/kWh.

The highest demand period was 33.26 GW at 16:00, while the lowest carbon intensity period was 63 gCO₂/kWh at 00:30.

Key records for 4 July 2023

Highest wind13.88 GW01:00
Highest solar4.54 GW12:30
Highest gas12.61 GW20:30
Lowest carbon63 gCO₂/kWh00:30
Highest imports7.39 GW13:00
Highest exports4.80 GW05:00

Daily chart

Demand, generation and carbon intensity

4 July 2023

Generation mix

Wind, solar, gas and interconnector flow