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Daily UK grid report
UK Electricity Grid Daily Report — 22 May 2023

On 22 May 2023, Britain’s electricity grid averaged 28.90 GW of grid demand, with renewables averaging 46.4% of tracked domestic generation and carbon intensity averaging 118 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.90 GW

Average grid demand for this UK day.

Peak demand 34.78 GW

Highest 15-minute grid demand period.

Avg carbon 118 gCO₂/kWh

Average carbon intensity where available.

Renewables 46.4 %

Average renewable share of tracked generation.

Average grid demandDemand
28.90 GWFull-day average from available snapshots
↑ +3.56 GW vs yesterday
Peak demand12:00
34.78 GWHighest 15-minute grid demand period
↑ +4.83 GW vs yesterday
Lowest demand03:45
20.21 GWLowest 15-minute grid demand period
↑ +1.31 GW vs yesterday
Domestic generationSupply
26.27 GWTracked UK generation sources only
↑ +7.09 GW vs yesterday
Average carbonCO₂
118 gCO₂/kWhCarbon intensity average
↑ +17 g vs yesterday
Renewable shareClean
46.4 %Wind, solar, hydro and biomass
↑ +3.0 pts vs yesterday
Clean share+ Nuclear
66.6 %Renewables plus nuclear
↓ −2.3 pts vs yesterday
Net importsFlow
1.29 GWAverage imports minus exports
↓ −4.17 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 22 May 2023, Britain’s electricity grid averaged 28.90 GW of grid demand, with renewables averaging 46.4% of tracked domestic generation and carbon intensity averaging 118 gCO₂/kWh.

The highest demand period was 34.78 GW at 12:00, while the lowest carbon intensity period was 92 gCO₂/kWh at 23:30.

Key records for 22 May 2023

Highest wind12.39 GW18:00
Highest solar8.79 GW14:00
Highest gas10.63 GW20:00
Lowest carbon92 gCO₂/kWh23:30
Highest imports4.91 GW00:00
Highest exports2.39 GW17:15

Daily chart

Demand, generation and carbon intensity

22 May 2023

Generation mix

Wind, solar, gas and interconnector flow