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Daily UK grid report
UK Electricity Grid Daily Report — 29 September 2024

On 29 September 2024, Britain’s electricity grid averaged 27.93 GW of grid demand, with renewables averaging 55.6% of tracked domestic generation and carbon intensity averaging 95 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.93 GW

Average grid demand for this UK day.

Peak demand 35.91 GW

Highest 15-minute grid demand period.

Avg carbon 95 gCO₂/kWh

Average carbon intensity where available.

Renewables 55.6 %

Average renewable share of tracked generation.

Average grid demandDemand
27.93 GWFull-day average from available snapshots
↓ −0.43 GW vs yesterday
Peak demand18:30
35.91 GWHighest 15-minute grid demand period
↑ +3.09 GW vs yesterday
Lowest demand04:45
19.85 GWLowest 15-minute grid demand period
↓ −2.19 GW vs yesterday
Domestic generationSupply
22.72 GWTracked UK generation sources only
↓ −0.47 GW vs yesterday
Average carbonCO₂
95 gCO₂/kWhCarbon intensity average
↓ −34 g vs yesterday
Renewable shareClean
55.6 %Wind, solar, hydro and biomass
↑ +10.2 pts vs yesterday
Clean share+ Nuclear
76.2 %Renewables plus nuclear
↑ +11.5 pts vs yesterday
Net importsFlow
5.09 GWAverage imports minus exports
↑ +0.52 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 29 September 2024, Britain’s electricity grid averaged 27.93 GW of grid demand, with renewables averaging 55.6% of tracked domestic generation and carbon intensity averaging 95 gCO₂/kWh.

The highest demand period was 35.91 GW at 18:30, while the lowest carbon intensity period was 53 gCO₂/kWh at 23:30.

Key records for 29 September 2024

Highest wind17.89 GW23:00
Highest solar3.71 GW13:00
Highest gas6.76 GW00:00
Lowest carbon53 gCO₂/kWh23:30
Highest imports6.34 GW12:15
Highest exports2.51 GW23:15

Daily chart

Demand, generation and carbon intensity

29 September 2024

Generation mix

Wind, solar, gas and interconnector flow