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

On 21 June 2022, Britain’s electricity grid averaged 31.65 GW of grid demand, with renewables averaging 21.3% of tracked domestic generation and carbon intensity averaging 239 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.65 GW

Average grid demand for this UK day.

Peak demand 37.45 GW

Highest 15-minute grid demand period.

Avg carbon 239 gCO₂/kWh

Average carbon intensity where available.

Renewables 21.3 %

Average renewable share of tracked generation.

Average grid demandDemand
31.65 GWFull-day average from available snapshots
↓ −0.36 GW vs yesterday
Peak demand13:00
37.45 GWHighest 15-minute grid demand period
↓ −1.01 GW vs yesterday
Lowest demand05:15
24.44 GWLowest 15-minute grid demand period
↑ +0.77 GW vs yesterday
Domestic generationSupply
30.46 GWTracked UK generation sources only
↓ −0.45 GW vs yesterday
Average carbonCO₂
239 gCO₂/kWhCarbon intensity average
↑ +38 g vs yesterday
Renewable shareClean
21.3 %Wind, solar, hydro and biomass
↓ −9.8 pts vs yesterday
Clean share+ Nuclear
40.3 %Renewables plus nuclear
↓ −9.8 pts vs yesterday
Net importsFlow
-2.43 GWAverage imports minus exports
↑ +0.30 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 June 2022, Britain’s electricity grid averaged 31.65 GW of grid demand, with renewables averaging 21.3% of tracked domestic generation and carbon intensity averaging 239 gCO₂/kWh.

The highest demand period was 37.45 GW at 13:00, while the lowest carbon intensity period was 204 gCO₂/kWh at 13:00.

Key records for 21 June 2022

Highest wind3.51 GW01:00
Highest solar9.06 GW13:00
Highest gas18.57 GW20:00
Lowest carbon204 gCO₂/kWh13:00
Highest imports2.40 GW13:15
Highest exports5.33 GW04:00

Daily chart

Demand, generation and carbon intensity

21 June 2022

Generation mix

Wind, solar, gas and interconnector flow