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Daily UK grid report
UK Electricity Grid Daily Report — 17 September 2024

On 17 September 2024, Britain’s electricity grid averaged 29.66 GW of grid demand, with renewables averaging 44.5% of tracked domestic generation and carbon intensity averaging 138 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.66 GW

Average grid demand for this UK day.

Peak demand 34.84 GW

Highest 15-minute grid demand period.

Avg carbon 138 gCO₂/kWh

Average carbon intensity where available.

Renewables 44.5 %

Average renewable share of tracked generation.

Average grid demandDemand
29.66 GWFull-day average from available snapshots
↑ +0.06 GW vs yesterday
Peak demand10:30
34.84 GWHighest 15-minute grid demand period
↓ −0.28 GW vs yesterday
Lowest demand04:15
21.02 GWLowest 15-minute grid demand period
↑ +0.20 GW vs yesterday
Domestic generationSupply
24.12 GWTracked UK generation sources only
↓ −0.64 GW vs yesterday
Average carbonCO₂
138 gCO₂/kWhCarbon intensity average
↓ −16 g vs yesterday
Renewable shareClean
44.5 %Wind, solar, hydro and biomass
↑ +5.2 pts vs yesterday
Clean share+ Nuclear
65.7 %Renewables plus nuclear
↑ +5.7 pts vs yesterday
Net importsFlow
4.53 GWAverage imports minus exports
↑ +1.06 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 September 2024, Britain’s electricity grid averaged 29.66 GW of grid demand, with renewables averaging 44.5% of tracked domestic generation and carbon intensity averaging 138 gCO₂/kWh.

The highest demand period was 34.84 GW at 10:30, while the lowest carbon intensity period was 96 gCO₂/kWh at 13:00.

Key records for 17 September 2024

Highest wind5.38 GW23:30
Highest solar10.22 GW13:00
Highest gas12.85 GW18:30
Lowest carbon96 gCO₂/kWh13:00
Highest imports6.46 GW12:30
Highest exports2.98 GW06:45

Daily chart

Demand, generation and carbon intensity

17 September 2024

Generation mix

Wind, solar, gas and interconnector flow