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Daily UK grid report
UK Electricity Grid Daily Report — 18 August 2022

On 18 August 2022, Britain’s electricity grid averaged 31.99 GW of grid demand, with renewables averaging 35.3% of tracked domestic generation and carbon intensity averaging 212 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.99 GW

Average grid demand for this UK day.

Peak demand 37.77 GW

Highest 15-minute grid demand period.

Avg carbon 212 gCO₂/kWh

Average carbon intensity where available.

Renewables 35.3 %

Average renewable share of tracked generation.

Average grid demandDemand
31.99 GWFull-day average from available snapshots
↑ +0.40 GW vs yesterday
Peak demand14:15
37.77 GWHighest 15-minute grid demand period
↑ +0.15 GW vs yesterday
Lowest demand03:45
25.31 GWLowest 15-minute grid demand period
↓ −0.51 GW vs yesterday
Domestic generationSupply
31.28 GWTracked UK generation sources only
↑ +0.24 GW vs yesterday
Average carbonCO₂
212 gCO₂/kWhCarbon intensity average
↓ −16 g vs yesterday
Renewable shareClean
35.3 %Wind, solar, hydro and biomass
↑ +5.3 pts vs yesterday
Clean share+ Nuclear
49.7 %Renewables plus nuclear
↑ +5.4 pts vs yesterday
Net importsFlow
-2.42 GWAverage imports minus exports
↑ +0.18 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 18 August 2022, Britain’s electricity grid averaged 31.99 GW of grid demand, with renewables averaging 35.3% of tracked domestic generation and carbon intensity averaging 212 gCO₂/kWh.

The highest demand period was 37.77 GW at 14:15, while the lowest carbon intensity period was 176 gCO₂/kWh at 22:30.

Key records for 18 August 2022

Highest wind11.03 GW20:00
Highest solar5.75 GW13:30
Highest gas16.03 GW00:30
Lowest carbon176 gCO₂/kWh22:30
Highest imports1.87 GW15:00
Highest exports5.39 GW02:00

Daily chart

Demand, generation and carbon intensity

18 August 2022

Generation mix

Wind, solar, gas and interconnector flow