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Daily UK grid report
UK Electricity Grid Daily Report — 10 September 2023

On 10 September 2023, Britain’s electricity grid averaged 27.62 GW of grid demand, with renewables averaging 21.2% of tracked domestic generation and carbon intensity averaging 209 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.62 GW

Average grid demand for this UK day.

Peak demand 33.28 GW

Highest 15-minute grid demand period.

Avg carbon 209 gCO₂/kWh

Average carbon intensity where available.

Renewables 21.2 %

Average renewable share of tracked generation.

Average grid demandDemand
27.62 GWFull-day average from available snapshots
↓ −0.33 GW vs yesterday
Peak demand17:00
33.28 GWHighest 15-minute grid demand period
↑ +0.73 GW vs yesterday
Lowest demand04:30
22.09 GWLowest 15-minute grid demand period
↓ −0.22 GW vs yesterday
Domestic generationSupply
23.81 GWTracked UK generation sources only
↓ −0.46 GW vs yesterday
Average carbonCO₂
209 gCO₂/kWhCarbon intensity average
↑ +9 g vs yesterday
Renewable shareClean
21.2 %Wind, solar, hydro and biomass
↓ −3.7 pts vs yesterday
Clean share+ Nuclear
43.5 %Renewables plus nuclear
↓ −3.1 pts vs yesterday
Net importsFlow
2.17 GWAverage imports minus exports
↓ −0.09 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 10 September 2023, Britain’s electricity grid averaged 27.62 GW of grid demand, with renewables averaging 21.2% of tracked domestic generation and carbon intensity averaging 209 gCO₂/kWh.

The highest demand period was 33.28 GW at 17:00, while the lowest carbon intensity period was 179 gCO₂/kWh at 14:00.

Key records for 10 September 2023

Highest wind4.48 GW18:30
Highest solar5.40 GW13:30
Highest gas17.12 GW21:00
Lowest carbon179 gCO₂/kWh14:00
Highest imports5.94 GW12:30
Highest exports2.77 GW19:15

Daily chart

Demand, generation and carbon intensity

10 September 2023

Generation mix

Wind, solar, gas and interconnector flow