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Daily UK grid report
UK Electricity Grid Daily Report — 25 September 2022

On 25 September 2022, Britain’s electricity grid averaged 29.79 GW of grid demand, with renewables averaging 47.7% of tracked domestic generation and carbon intensity averaging 168 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.79 GW

Average grid demand for this UK day.

Peak demand 36.25 GW

Highest 15-minute grid demand period.

Avg carbon 168 gCO₂/kWh

Average carbon intensity where available.

Renewables 47.7 %

Average renewable share of tracked generation.

Average grid demandDemand
29.79 GWFull-day average from available snapshots
↑ +0.01 GW vs yesterday
Peak demand19:00
36.25 GWHighest 15-minute grid demand period
↑ +1.62 GW vs yesterday
Lowest demand04:30
24.41 GWLowest 15-minute grid demand period
↑ +0.79 GW vs yesterday
Domestic generationSupply
29.95 GWTracked UK generation sources only
No change vs yesterday
Average carbonCO₂
168 gCO₂/kWhCarbon intensity average
↓ −66 g vs yesterday
Renewable shareClean
47.7 %Wind, solar, hydro and biomass
↑ +15.0 pts vs yesterday
Clean share+ Nuclear
61.1 %Renewables plus nuclear
↑ +15.0 pts vs yesterday
Net importsFlow
-4.53 GWAverage imports minus exports
↓ −0.41 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 25 September 2022, Britain’s electricity grid averaged 29.79 GW of grid demand, with renewables averaging 47.7% of tracked domestic generation and carbon intensity averaging 168 gCO₂/kWh.

The highest demand period was 36.25 GW at 19:00, while the lowest carbon intensity period was 68 gCO₂/kWh at 23:00.

Key records for 25 September 2022

Highest wind17.87 GW22:30
Highest solar6.07 GW11:30
Highest gas13.88 GW18:00
Lowest carbon68 gCO₂/kWh23:00
Highest imports0.66 GW23:45
Highest exports5.84 GW05:15

Daily chart

Demand, generation and carbon intensity

25 September 2022

Generation mix

Wind, solar, gas and interconnector flow