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Daily UK grid report
UK Electricity Grid Daily Report — 19 September 2024

On 19 September 2024, Britain’s electricity grid averaged 29.78 GW of grid demand, with renewables averaging 39.9% of tracked domestic generation and carbon intensity averaging 149 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.78 GW

Average grid demand for this UK day.

Peak demand 35.77 GW

Highest 15-minute grid demand period.

Avg carbon 149 gCO₂/kWh

Average carbon intensity where available.

Renewables 39.9 %

Average renewable share of tracked generation.

Average grid demandDemand
29.78 GWFull-day average from available snapshots
No change vs yesterday
Peak demand12:00
35.77 GWHighest 15-minute grid demand period
↑ +0.26 GW vs yesterday
Lowest demand04:15
20.74 GWLowest 15-minute grid demand period
↓ −0.47 GW vs yesterday
Domestic generationSupply
24.25 GWTracked UK generation sources only
↓ −0.28 GW vs yesterday
Average carbonCO₂
149 gCO₂/kWhCarbon intensity average
↑ +19 g vs yesterday
Renewable shareClean
39.9 %Wind, solar, hydro and biomass
↓ −7.5 pts vs yesterday
Clean share+ Nuclear
60.9 %Renewables plus nuclear
↓ −7.2 pts vs yesterday
Net importsFlow
4.40 GWAverage imports minus exports
↑ +0.18 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 19 September 2024, Britain’s electricity grid averaged 29.78 GW of grid demand, with renewables averaging 39.9% of tracked domestic generation and carbon intensity averaging 149 gCO₂/kWh.

The highest demand period was 35.77 GW at 12:00, while the lowest carbon intensity period was 102 gCO₂/kWh at 00:00.

Key records for 19 September 2024

Highest wind6.08 GW00:00
Highest solar8.75 GW13:00
Highest gas13.39 GW19:30
Lowest carbon102 gCO₂/kWh00:00
Highest imports6.45 GW12:00
Highest exports3.03 GW07:00

Daily chart

Demand, generation and carbon intensity

19 September 2024

Generation mix

Wind, solar, gas and interconnector flow