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Daily UK grid report
UK Electricity Grid Daily Report — 21 October 2022

On 21 October 2022, Britain’s electricity grid averaged 34.51 GW of grid demand, with renewables averaging 30.6% of tracked domestic generation and carbon intensity averaging 217 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.51 GW

Average grid demand for this UK day.

Peak demand 40.50 GW

Highest 15-minute grid demand period.

Avg carbon 217 gCO₂/kWh

Average carbon intensity where available.

Renewables 30.6 %

Average renewable share of tracked generation.

Average grid demandDemand
34.51 GWFull-day average from available snapshots
↑ +0.23 GW vs yesterday
Peak demand13:00
40.50 GWHighest 15-minute grid demand period
↑ +1.33 GW vs yesterday
Lowest demand02:30
26.32 GWLowest 15-minute grid demand period
↓ −1.30 GW vs yesterday
Domestic generationSupply
33.80 GWTracked UK generation sources only
↑ +0.29 GW vs yesterday
Average carbonCO₂
217 gCO₂/kWhCarbon intensity average
↑ +12 g vs yesterday
Renewable shareClean
30.6 %Wind, solar, hydro and biomass
↓ −3.8 pts vs yesterday
Clean share+ Nuclear
44.6 %Renewables plus nuclear
↓ −3.8 pts vs yesterday
Net importsFlow
-4.13 GWAverage imports minus exports
↓ −1.30 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 October 2022, Britain’s electricity grid averaged 34.51 GW of grid demand, with renewables averaging 30.6% of tracked domestic generation and carbon intensity averaging 217 gCO₂/kWh.

The highest demand period was 40.50 GW at 13:00, while the lowest carbon intensity period was 155 gCO₂/kWh at 23:30.

Key records for 21 October 2022

Highest wind13.13 GW19:30
Highest solar3.09 GW13:30
Highest gas20.41 GW16:00
Lowest carbon155 gCO₂/kWh23:30
Highest imports1.36 GW09:00
Highest exports6.33 GW04:45

Daily chart

Demand, generation and carbon intensity

21 October 2022

Generation mix

Wind, solar, gas and interconnector flow