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Daily UK grid report
UK Electricity Grid Daily Report — 9 May 2023

On 9 May 2023, Britain’s electricity grid averaged 29.38 GW of grid demand, with renewables averaging 28.5% of tracked domestic generation and carbon intensity averaging 192 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.38 GW

Average grid demand for this UK day.

Peak demand 35.93 GW

Highest 15-minute grid demand period.

Avg carbon 192 gCO₂/kWh

Average carbon intensity where available.

Renewables 28.5 %

Average renewable share of tracked generation.

Average grid demandDemand
29.38 GWFull-day average from available snapshots
↑ +2.23 GW vs yesterday
Peak demand12:00
35.93 GWHighest 15-minute grid demand period
↑ +3.06 GW vs yesterday
Lowest demand04:15
20.08 GWLowest 15-minute grid demand period
↑ +0.66 GW vs yesterday
Domestic generationSupply
24.01 GWTracked UK generation sources only
↑ +1.25 GW vs yesterday
Average carbonCO₂
192 gCO₂/kWhCarbon intensity average
↑ +62 g vs yesterday
Renewable shareClean
28.5 %Wind, solar, hydro and biomass
↓ −18.5 pts vs yesterday
Clean share+ Nuclear
44.0 %Renewables plus nuclear
↓ −19.1 pts vs yesterday
Net importsFlow
5.07 GWAverage imports minus exports
↑ +1.40 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 9 May 2023, Britain’s electricity grid averaged 29.38 GW of grid demand, with renewables averaging 28.5% of tracked domestic generation and carbon intensity averaging 192 gCO₂/kWh.

The highest demand period was 35.93 GW at 12:00, while the lowest carbon intensity period was 126 gCO₂/kWh at 01:00.

Key records for 9 May 2023

Highest wind7.05 GW00:30
Highest solar6.41 GW13:30
Highest gas17.10 GW19:30
Lowest carbon126 gCO₂/kWh01:00
Highest imports7.12 GW09:00
Highest exports0.98 GW08:15

Daily chart

Demand, generation and carbon intensity

9 May 2023

Generation mix

Wind, solar, gas and interconnector flow