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Daily UK grid report
UK Electricity Grid Daily Report — 3 September 2023

On 3 September 2023, Britain’s electricity grid averaged 25.66 GW of grid demand, with renewables averaging 43.1% of tracked domestic generation and carbon intensity averaging 120 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 25.66 GW

Average grid demand for this UK day.

Peak demand 31.58 GW

Highest 15-minute grid demand period.

Avg carbon 120 gCO₂/kWh

Average carbon intensity where available.

Renewables 43.1 %

Average renewable share of tracked generation.

Average grid demandDemand
25.66 GWFull-day average from available snapshots
↓ −0.56 GW vs yesterday
Peak demand17:45
31.58 GWHighest 15-minute grid demand period
↑ +1.63 GW vs yesterday
Lowest demand04:30
19.19 GWLowest 15-minute grid demand period
↓ −1.85 GW vs yesterday
Domestic generationSupply
21.12 GWTracked UK generation sources only
↓ −1.60 GW vs yesterday
Average carbonCO₂
120 gCO₂/kWhCarbon intensity average
↓ −67 g vs yesterday
Renewable shareClean
43.1 %Wind, solar, hydro and biomass
↑ +16.9 pts vs yesterday
Clean share+ Nuclear
68.7 %Renewables plus nuclear
↑ +19.3 pts vs yesterday
Net importsFlow
3.63 GWAverage imports minus exports
↑ +1.69 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 3 September 2023, Britain’s electricity grid averaged 25.66 GW of grid demand, with renewables averaging 43.1% of tracked domestic generation and carbon intensity averaging 120 gCO₂/kWh.

The highest demand period was 31.58 GW at 17:45, while the lowest carbon intensity period was 65 gCO₂/kWh at 12:30.

Key records for 3 September 2023

Highest wind5.93 GW14:00
Highest solar9.34 GW13:00
Highest gas12.27 GW20:30
Lowest carbon65 gCO₂/kWh12:30
Highest imports5.95 GW11:15
Highest exports1.85 GW18:45

Daily chart

Demand, generation and carbon intensity

3 September 2023

Generation mix

Wind, solar, gas and interconnector flow