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Daily UK grid report
UK Electricity Grid Daily Report — 15 September 2024

On 15 September 2024, Britain’s electricity grid averaged 27.00 GW of grid demand, with renewables averaging 52.3% 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 27.00 GW

Average grid demand for this UK day.

Peak demand 34.08 GW

Highest 15-minute grid demand period.

Avg carbon 98 gCO₂/kWh

Average carbon intensity where available.

Renewables 52.3 %

Average renewable share of tracked generation.

Average grid demandDemand
27.00 GWFull-day average from available snapshots
↓ −0.30 GW vs yesterday
Peak demand17:00
34.08 GWHighest 15-minute grid demand period
↑ +1.15 GW vs yesterday
Lowest demand04:30
20.71 GWLowest 15-minute grid demand period
↓ −0.64 GW vs yesterday
Domestic generationSupply
22.03 GWTracked UK generation sources only
↓ −1.55 GW vs yesterday
Average carbonCO₂
98 gCO₂/kWhCarbon intensity average
↑ +21 g vs yesterday
Renewable shareClean
52.3 %Wind, solar, hydro and biomass
↓ −5.8 pts vs yesterday
Clean share+ Nuclear
74.8 %Renewables plus nuclear
↓ −4.7 pts vs yesterday
Net importsFlow
3.90 GWAverage imports minus exports
↑ +0.67 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 15 September 2024, Britain’s electricity grid averaged 27.00 GW of grid demand, with renewables averaging 52.3% of tracked domestic generation and carbon intensity averaging 98 gCO₂/kWh.

The highest demand period was 34.08 GW at 17:00, while the lowest carbon intensity period was 60 gCO₂/kWh at 05:00.

Key records for 15 September 2024

Highest wind9.50 GW00:00
Highest solar6.32 GW11:30
Highest gas11.05 GW19:30
Lowest carbon60 gCO₂/kWh05:00
Highest imports6.46 GW11:00
Highest exports2.62 GW00:00

Daily chart

Demand, generation and carbon intensity

15 September 2024

Generation mix

Wind, solar, gas and interconnector flow