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Daily UK grid report
UK Electricity Grid Daily Report — 23 September 2022

On 23 September 2022, Britain’s electricity grid averaged 30.27 GW of grid demand, with renewables averaging 25.3% of tracked domestic generation and carbon intensity averaging 277 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.27 GW

Average grid demand for this UK day.

Peak demand 34.65 GW

Highest 15-minute grid demand period.

Avg carbon 277 gCO₂/kWh

Average carbon intensity where available.

Renewables 25.3 %

Average renewable share of tracked generation.

Average grid demandDemand
30.27 GWFull-day average from available snapshots
↓ −1.02 GW vs yesterday
Peak demand13:15
34.65 GWHighest 15-minute grid demand period
↓ −1.90 GW vs yesterday
Lowest demand03:45
22.75 GWLowest 15-minute grid demand period
↓ −0.16 GW vs yesterday
Domestic generationSupply
30.06 GWTracked UK generation sources only
↓ −1.29 GW vs yesterday
Average carbonCO₂
277 gCO₂/kWhCarbon intensity average
↑ +59 g vs yesterday
Renewable shareClean
25.3 %Wind, solar, hydro and biomass
↓ −11.5 pts vs yesterday
Clean share+ Nuclear
38.7 %Renewables plus nuclear
↓ −11.0 pts vs yesterday
Net importsFlow
-2.29 GWAverage imports minus exports
↑ +0.62 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 September 2022, Britain’s electricity grid averaged 30.27 GW of grid demand, with renewables averaging 25.3% of tracked domestic generation and carbon intensity averaging 277 gCO₂/kWh.

The highest demand period was 34.65 GW at 13:15, while the lowest carbon intensity period was 249 gCO₂/kWh at 14:30.

Key records for 23 September 2022

Highest wind5.53 GW19:30
Highest solar6.04 GW13:30
Highest gas18.92 GW08:00
Lowest carbon249 gCO₂/kWh14:30
Highest imports1.37 GW18:30
Highest exports4.30 GW23:00

Daily chart

Demand, generation and carbon intensity

23 September 2022

Generation mix

Wind, solar, gas and interconnector flow