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Daily UK grid report
UK Electricity Grid Daily Report — 30 September 2022

On 30 September 2022, Britain’s electricity grid averaged 34.28 GW of grid demand, with renewables averaging 44.1% of tracked domestic generation and carbon intensity averaging 185 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.28 GW

Average grid demand for this UK day.

Peak demand 40.53 GW

Highest 15-minute grid demand period.

Avg carbon 185 gCO₂/kWh

Average carbon intensity where available.

Renewables 44.1 %

Average renewable share of tracked generation.

Average grid demandDemand
34.28 GWFull-day average from available snapshots
↑ +1.35 GW vs yesterday
Peak demand18:15
40.53 GWHighest 15-minute grid demand period
↑ +3.49 GW vs yesterday
Lowest demand04:00
26.08 GWLowest 15-minute grid demand period
↑ +0.11 GW vs yesterday
Domestic generationSupply
33.75 GWTracked UK generation sources only
↑ +0.89 GW vs yesterday
Average carbonCO₂
185 gCO₂/kWhCarbon intensity average
↓ −76 g vs yesterday
Renewable shareClean
44.1 %Wind, solar, hydro and biomass
↑ +18.7 pts vs yesterday
Clean share+ Nuclear
57.3 %Renewables plus nuclear
↑ +18.8 pts vs yesterday
Net importsFlow
-3.15 GWAverage imports minus exports
↑ +0.06 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 September 2022, Britain’s electricity grid averaged 34.28 GW of grid demand, with renewables averaging 44.1% of tracked domestic generation and carbon intensity averaging 185 gCO₂/kWh.

The highest demand period was 40.53 GW at 18:15, while the lowest carbon intensity period was 99 gCO₂/kWh at 23:30.

Key records for 30 September 2022

Highest wind19.25 GW14:30
Highest solar2.12 GW11:30
Highest gas18.05 GW08:00
Lowest carbon99 gCO₂/kWh23:30
Highest imports2.48 GW21:15
Highest exports5.28 GW01:15

Daily chart

Demand, generation and carbon intensity

30 September 2022

Generation mix

Wind, solar, gas and interconnector flow