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UK Electricity Grid Daily Report — 31 May 2022

On 31 May 2022, Britain’s electricity grid averaged 31.84 GW of grid demand, with renewables averaging 23.3% of tracked domestic generation and carbon intensity averaging 240 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.84 GW

Average grid demand for this UK day.

Peak demand 37.43 GW

Highest 15-minute grid demand period.

Avg carbon 240 gCO₂/kWh

Average carbon intensity where available.

Renewables 23.3 %

Average renewable share of tracked generation.

Average grid demandDemand
31.84 GWFull-day average from available snapshots
↑ +2.03 GW vs yesterday
Peak demand13:00
37.43 GWHighest 15-minute grid demand period
↑ +1.92 GW vs yesterday
Lowest demand04:45
25.42 GWLowest 15-minute grid demand period
↑ +2.67 GW vs yesterday
Domestic generationSupply
31.39 GWTracked UK generation sources only
↑ +2.42 GW vs yesterday
Average carbonCO₂
240 gCO₂/kWhCarbon intensity average
↓ −3 g vs yesterday
Renewable shareClean
23.3 %Wind, solar, hydro and biomass
↑ +3.1 pts vs yesterday
Clean share+ Nuclear
39.9 %Renewables plus nuclear
↑ +1.7 pts vs yesterday
Net importsFlow
-2.49 GWAverage imports minus exports
↓ −1.72 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 31 May 2022, Britain’s electricity grid averaged 31.84 GW of grid demand, with renewables averaging 23.3% of tracked domestic generation and carbon intensity averaging 240 gCO₂/kWh.

The highest demand period was 37.43 GW at 13:00, while the lowest carbon intensity period was 208 gCO₂/kWh at 15:00.

Key records for 31 May 2022

Highest wind3.69 GW16:00
Highest solar6.55 GW13:00
Highest gas19.47 GW17:00
Lowest carbon208 gCO₂/kWh15:00
Highest imports2.31 GW10:00
Highest exports5.07 GW05:15

Daily chart

Demand, generation and carbon intensity

31 May 2022

Generation mix

Wind, solar, gas and interconnector flow