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Daily UK grid report
UK Electricity Grid Daily Report — 7 September 2023

On 7 September 2023, Britain’s electricity grid averaged 30.76 GW of grid demand, with renewables averaging 20.9% of tracked domestic generation and carbon intensity averaging 225 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.76 GW

Average grid demand for this UK day.

Peak demand 36.46 GW

Highest 15-minute grid demand period.

Avg carbon 225 gCO₂/kWh

Average carbon intensity where available.

Renewables 20.9 %

Average renewable share of tracked generation.

Average grid demandDemand
30.76 GWFull-day average from available snapshots
↓ −0.48 GW vs yesterday
Peak demand13:00
36.46 GWHighest 15-minute grid demand period
↓ −0.40 GW vs yesterday
Lowest demand03:45
23.32 GWLowest 15-minute grid demand period
↓ −0.84 GW vs yesterday
Domestic generationSupply
27.23 GWTracked UK generation sources only
↓ −1.53 GW vs yesterday
Average carbonCO₂
225 gCO₂/kWhCarbon intensity average
↑ +9 g vs yesterday
Renewable shareClean
20.9 %Wind, solar, hydro and biomass
↓ −4.6 pts vs yesterday
Clean share+ Nuclear
40.5 %Renewables plus nuclear
↓ −3.4 pts vs yesterday
Net importsFlow
2.35 GWAverage imports minus exports
↑ +1.35 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 7 September 2023, Britain’s electricity grid averaged 30.76 GW of grid demand, with renewables averaging 20.9% of tracked domestic generation and carbon intensity averaging 225 gCO₂/kWh.

The highest demand period was 36.46 GW at 13:00, while the lowest carbon intensity period was 167 gCO₂/kWh at 12:00.

Key records for 7 September 2023

Highest wind3.31 GW18:30
Highest solar8.28 GW12:00
Highest gas18.41 GW20:00
Lowest carbon167 gCO₂/kWh12:00
Highest imports5.94 GW13:00
Highest exports2.31 GW05:00

Daily chart

Demand, generation and carbon intensity

7 September 2023

Generation mix

Wind, solar, gas and interconnector flow