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Daily UK grid report
UK Electricity Grid Daily Report — 11 September 2022

On 11 September 2022, Britain’s electricity grid averaged 28.87 GW of grid demand, with renewables averaging 29.0% of tracked domestic generation and carbon intensity averaging 233 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.87 GW

Average grid demand for this UK day.

Peak demand 34.21 GW

Highest 15-minute grid demand period.

Avg carbon 233 gCO₂/kWh

Average carbon intensity where available.

Renewables 29.0 %

Average renewable share of tracked generation.

Average grid demandDemand
28.87 GWFull-day average from available snapshots
↑ +0.90 GW vs yesterday
Peak demand20:00
34.21 GWHighest 15-minute grid demand period
↑ +2.60 GW vs yesterday
Lowest demand03:30
22.81 GWLowest 15-minute grid demand period
↓ −1.59 GW vs yesterday
Domestic generationSupply
28.35 GWTracked UK generation sources only
↑ +0.71 GW vs yesterday
Average carbonCO₂
233 gCO₂/kWhCarbon intensity average
↓ −30 g vs yesterday
Renewable shareClean
29.0 %Wind, solar, hydro and biomass
↑ +6.7 pts vs yesterday
Clean share+ Nuclear
46.2 %Renewables plus nuclear
↑ +6.1 pts vs yesterday
Net importsFlow
-2.94 GWAverage imports minus exports
↓ −0.72 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 11 September 2022, Britain’s electricity grid averaged 28.87 GW of grid demand, with renewables averaging 29.0% of tracked domestic generation and carbon intensity averaging 233 gCO₂/kWh.

The highest demand period was 34.21 GW at 20:00, while the lowest carbon intensity period was 171 gCO₂/kWh at 23:30.

Key records for 11 September 2022

Highest wind10.29 GW23:00
Highest solar6.40 GW13:30
Highest gas15.83 GW18:00
Lowest carbon171 gCO₂/kWh23:30
Highest imports1.71 GW13:15
Highest exports6.35 GW23:00

Daily chart

Demand, generation and carbon intensity

11 September 2022

Generation mix

Wind, solar, gas and interconnector flow