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Daily UK grid report
UK Electricity Grid Daily Report — 22 September 2024

On 22 September 2024, Britain’s electricity grid averaged 27.18 GW of grid demand, with renewables averaging 39.2% of tracked domestic generation and carbon intensity averaging 153 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.18 GW

Average grid demand for this UK day.

Peak demand 34.49 GW

Highest 15-minute grid demand period.

Avg carbon 153 gCO₂/kWh

Average carbon intensity where available.

Renewables 39.2 %

Average renewable share of tracked generation.

Average grid demandDemand
27.18 GWFull-day average from available snapshots
↑ +0.35 GW vs yesterday
Peak demand17:30
34.49 GWHighest 15-minute grid demand period
↑ +2.49 GW vs yesterday
Lowest demand04:30
19.24 GWLowest 15-minute grid demand period
↓ −0.69 GW vs yesterday
Domestic generationSupply
22.27 GWTracked UK generation sources only
↑ +0.58 GW vs yesterday
Average carbonCO₂
153 gCO₂/kWhCarbon intensity average
↑ +33 g vs yesterday
Renewable shareClean
39.2 %Wind, solar, hydro and biomass
↓ −7.6 pts vs yesterday
Clean share+ Nuclear
59.1 %Renewables plus nuclear
↓ −9.3 pts vs yesterday
Net importsFlow
3.77 GWAverage imports minus exports
↓ −0.72 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 22 September 2024, Britain’s electricity grid averaged 27.18 GW of grid demand, with renewables averaging 39.2% of tracked domestic generation and carbon intensity averaging 153 gCO₂/kWh.

The highest demand period was 34.49 GW at 17:30, while the lowest carbon intensity period was 100 gCO₂/kWh at 00:30.

Key records for 22 September 2024

Highest wind6.13 GW00:00
Highest solar2.28 GW13:30
Highest gas15.69 GW18:30
Lowest carbon100 gCO₂/kWh00:30
Highest imports6.45 GW12:15
Highest exports2.84 GW18:00

Daily chart

Demand, generation and carbon intensity

22 September 2024

Generation mix

Wind, solar, gas and interconnector flow