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Daily UK grid report
UK Electricity Grid Daily Report — 22 December 2022

On 22 December 2022, Britain’s electricity grid averaged 34.16 GW of grid demand, with renewables averaging 31.6% of tracked domestic generation and carbon intensity averaging 186 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.16 GW

Average grid demand for this UK day.

Peak demand 42.02 GW

Highest 15-minute grid demand period.

Avg carbon 186 gCO₂/kWh

Average carbon intensity where available.

Renewables 31.6 %

Average renewable share of tracked generation.

Average grid demandDemand
34.16 GWFull-day average from available snapshots
↓ −1.44 GW vs yesterday
Peak demand17:00
42.02 GWHighest 15-minute grid demand period
↓ −0.36 GW vs yesterday
Lowest demand04:15
24.84 GWLowest 15-minute grid demand period
↓ −1.85 GW vs yesterday
Domestic generationSupply
28.79 GWTracked UK generation sources only
↓ −4.17 GW vs yesterday
Average carbonCO₂
186 gCO₂/kWhCarbon intensity average
↑ +80 g vs yesterday
Renewable shareClean
31.6 %Wind, solar, hydro and biomass
↓ −27.0 pts vs yesterday
Clean share+ Nuclear
52.4 %Renewables plus nuclear
↓ −24.4 pts vs yesterday
Net importsFlow
5.02 GWAverage imports minus exports
↑ +3.61 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 22 December 2022, Britain’s electricity grid averaged 34.16 GW of grid demand, with renewables averaging 31.6% of tracked domestic generation and carbon intensity averaging 186 gCO₂/kWh.

The highest demand period was 42.02 GW at 17:00, while the lowest carbon intensity period was 76 gCO₂/kWh at 01:30.

Key records for 22 December 2022

Highest wind11.76 GW00:00
Highest solar0.60 GW12:30
Highest gas19.89 GW17:00
Lowest carbon76 gCO₂/kWh01:30
Highest imports6.39 GW23:00
Highest exports0.88 GW17:30

Daily chart

Demand, generation and carbon intensity

22 December 2022

Generation mix

Wind, solar, gas and interconnector flow