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Daily UK grid report
UK Electricity Grid Daily Report — 23 September 2024

On 23 September 2024, Britain’s electricity grid averaged 31.00 GW of grid demand, with renewables averaging 35.1% of tracked domestic generation and carbon intensity averaging 180 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.00 GW

Average grid demand for this UK day.

Peak demand 37.96 GW

Highest 15-minute grid demand period.

Avg carbon 180 gCO₂/kWh

Average carbon intensity where available.

Renewables 35.1 %

Average renewable share of tracked generation.

Average grid demandDemand
31.00 GWFull-day average from available snapshots
↑ +3.82 GW vs yesterday
Peak demand18:15
37.96 GWHighest 15-minute grid demand period
↑ +3.47 GW vs yesterday
Lowest demand02:30
21.87 GWLowest 15-minute grid demand period
↑ +2.63 GW vs yesterday
Domestic generationSupply
26.92 GWTracked UK generation sources only
↑ +4.65 GW vs yesterday
Average carbonCO₂
180 gCO₂/kWhCarbon intensity average
↑ +27 g vs yesterday
Renewable shareClean
35.1 %Wind, solar, hydro and biomass
↓ −4.1 pts vs yesterday
Clean share+ Nuclear
52.1 %Renewables plus nuclear
↓ −7.0 pts vs yesterday
Net importsFlow
2.50 GWAverage imports minus exports
↓ −1.27 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 September 2024, Britain’s electricity grid averaged 31.00 GW of grid demand, with renewables averaging 35.1% of tracked domestic generation and carbon intensity averaging 180 gCO₂/kWh.

The highest demand period was 37.96 GW at 18:15, while the lowest carbon intensity period was 121 gCO₂/kWh at 23:30.

Key records for 23 September 2024

Highest wind6.41 GW18:00
Highest solar2.61 GW12:30
Highest gas18.30 GW19:00
Lowest carbon121 gCO₂/kWh23:30
Highest imports5.43 GW12:00
Highest exports3.12 GW07:30

Daily chart

Demand, generation and carbon intensity

23 September 2024

Generation mix

Wind, solar, gas and interconnector flow