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Daily UK grid report
UK Electricity Grid Daily Report — 26 September 2024

On 26 September 2024, Britain’s electricity grid averaged 30.39 GW of grid demand, with renewables averaging 58.0% of tracked domestic generation and carbon intensity averaging 98 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.39 GW

Average grid demand for this UK day.

Peak demand 36.25 GW

Highest 15-minute grid demand period.

Avg carbon 98 gCO₂/kWh

Average carbon intensity where available.

Renewables 58.0 %

Average renewable share of tracked generation.

Average grid demandDemand
30.39 GWFull-day average from available snapshots
↑ +1.03 GW vs yesterday
Peak demand19:00
36.25 GWHighest 15-minute grid demand period
↓ −1.38 GW vs yesterday
Lowest demand03:15
21.64 GWLowest 15-minute grid demand period
↑ +0.15 GW vs yesterday
Domestic generationSupply
26.15 GWTracked UK generation sources only
↑ +1.26 GW vs yesterday
Average carbonCO₂
98 gCO₂/kWhCarbon intensity average
↓ −61 g vs yesterday
Renewable shareClean
58.0 %Wind, solar, hydro and biomass
↑ +20.0 pts vs yesterday
Clean share+ Nuclear
75.3 %Renewables plus nuclear
↑ +17.4 pts vs yesterday
Net importsFlow
4.25 GWAverage imports minus exports
↑ +0.87 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 26 September 2024, Britain’s electricity grid averaged 30.39 GW of grid demand, with renewables averaging 58.0% of tracked domestic generation and carbon intensity averaging 98 gCO₂/kWh.

The highest demand period was 36.25 GW at 19:00, while the lowest carbon intensity period was 56 gCO₂/kWh at 23:30.

Key records for 26 September 2024

Highest wind13.58 GW23:00
Highest solar5.48 GW12:00
Highest gas8.74 GW18:30
Lowest carbon56 gCO₂/kWh23:30
Highest imports5.46 GW19:00
Highest exports0.54 GW08:45

Daily chart

Demand, generation and carbon intensity

26 September 2024

Generation mix

Wind, solar, gas and interconnector flow