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Daily UK grid report
UK Electricity Grid Daily Report — 11 September 2024

On 11 September 2024, Britain’s electricity grid averaged 31.76 GW of grid demand, with renewables averaging 64.7% of tracked domestic generation and carbon intensity averaging 67 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.76 GW

Average grid demand for this UK day.

Peak demand 37.19 GW

Highest 15-minute grid demand period.

Avg carbon 67 gCO₂/kWh

Average carbon intensity where available.

Renewables 64.7 %

Average renewable share of tracked generation.

Average grid demandDemand
31.76 GWFull-day average from available snapshots
↑ +0.59 GW vs yesterday
Peak demand18:00
37.19 GWHighest 15-minute grid demand period
↑ +0.65 GW vs yesterday
Lowest demand04:30
25.18 GWLowest 15-minute grid demand period
↑ +1.72 GW vs yesterday
Domestic generationSupply
28.25 GWTracked UK generation sources only
↑ +0.23 GW vs yesterday
Average carbonCO₂
67 gCO₂/kWhCarbon intensity average
↓ −2 g vs yesterday
Renewable shareClean
64.7 %Wind, solar, hydro and biomass
↑ +1.1 pts vs yesterday
Clean share+ Nuclear
82.2 %Renewables plus nuclear
↑ +0.9 pts vs yesterday
Net importsFlow
1.78 GWAverage imports minus exports
↑ +0.09 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 11 September 2024, Britain’s electricity grid averaged 31.76 GW of grid demand, with renewables averaging 64.7% of tracked domestic generation and carbon intensity averaging 67 gCO₂/kWh.

The highest demand period was 37.19 GW at 18:00, while the lowest carbon intensity period was 39 gCO₂/kWh at 12:00.

Key records for 11 September 2024

Highest wind15.72 GW10:00
Highest solar8.24 GW13:30
Highest gas10.23 GW20:30
Lowest carbon39 gCO₂/kWh12:00
Highest imports5.42 GW09:00
Highest exports4.26 GW03:00

Daily chart

Demand, generation and carbon intensity

11 September 2024

Generation mix

Wind, solar, gas and interconnector flow