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Daily UK grid report
UK Electricity Grid Daily Report — 12 May 2022

On 12 May 2022, Britain’s electricity grid averaged 33.60 GW of grid demand, with renewables averaging 44.7% of tracked domestic generation and carbon intensity averaging 158 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.60 GW

Average grid demand for this UK day.

Peak demand 38.97 GW

Highest 15-minute grid demand period.

Avg carbon 158 gCO₂/kWh

Average carbon intensity where available.

Renewables 44.7 %

Average renewable share of tracked generation.

Average grid demandDemand
33.60 GWFull-day average from available snapshots
↑ +0.25 GW vs yesterday
Peak demand18:15
38.97 GWHighest 15-minute grid demand period
↑ +0.59 GW vs yesterday
Lowest demand04:15
25.10 GWLowest 15-minute grid demand period
↓ −0.49 GW vs yesterday
Domestic generationSupply
33.47 GWTracked UK generation sources only
↑ +0.52 GW vs yesterday
Average carbonCO₂
158 gCO₂/kWhCarbon intensity average
↑ +17 g vs yesterday
Renewable shareClean
44.7 %Wind, solar, hydro and biomass
↓ −3.7 pts vs yesterday
Clean share+ Nuclear
60.8 %Renewables plus nuclear
↓ −4.0 pts vs yesterday
Net importsFlow
-3.77 GWAverage imports minus exports
↓ −0.85 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 12 May 2022, Britain’s electricity grid averaged 33.60 GW of grid demand, with renewables averaging 44.7% of tracked domestic generation and carbon intensity averaging 158 gCO₂/kWh.

The highest demand period was 38.97 GW at 18:15, while the lowest carbon intensity period was 103 gCO₂/kWh at 23:30.

Key records for 12 May 2022

Highest wind15.18 GW23:30
Highest solar6.63 GW11:30
Highest gas15.44 GW08:00
Lowest carbon103 gCO₂/kWh23:30
Highest imports0.82 GW19:15
Highest exports4.89 GW23:00

Daily chart

Demand, generation and carbon intensity

12 May 2022

Generation mix

Wind, solar, gas and interconnector flow