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Daily UK grid report
UK Electricity Grid Daily Report — 28 December 2022

On 28 December 2022, Britain’s electricity grid averaged 31.21 GW of grid demand, with renewables averaging 63.9% of tracked domestic generation and carbon intensity averaging 65 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.21 GW

Average grid demand for this UK day.

Peak demand 38.58 GW

Highest 15-minute grid demand period.

Avg carbon 65 gCO₂/kWh

Average carbon intensity where available.

Renewables 63.9 %

Average renewable share of tracked generation.

Average grid demandDemand
31.21 GWFull-day average from available snapshots
↑ +1.29 GW vs yesterday
Peak demand17:45
38.58 GWHighest 15-minute grid demand period
↑ +1.48 GW vs yesterday
Lowest demand04:30
23.64 GWLowest 15-minute grid demand period
↑ +2.17 GW vs yesterday
Domestic generationSupply
27.69 GWTracked UK generation sources only
↑ +1.91 GW vs yesterday
Average carbonCO₂
65 gCO₂/kWhCarbon intensity average
↓ −6 g vs yesterday
Renewable shareClean
63.9 %Wind, solar, hydro and biomass
↑ +2.3 pts vs yesterday
Clean share+ Nuclear
84.7 %Renewables plus nuclear
↑ +0.5 pts vs yesterday
Net importsFlow
2.88 GWAverage imports minus exports
↓ −0.93 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 December 2022, Britain’s electricity grid averaged 31.21 GW of grid demand, with renewables averaging 63.9% of tracked domestic generation and carbon intensity averaging 65 gCO₂/kWh.

The highest demand period was 38.58 GW at 17:45, while the lowest carbon intensity period was 46 gCO₂/kWh at 22:30.

Key records for 28 December 2022

Highest wind18.38 GW23:30
Highest solar0.48 GW12:30
Highest gas4.58 GW10:00
Lowest carbon46 gCO₂/kWh22:30
Highest imports6.10 GW17:45
Highest exports4.07 GW02:00

Daily chart

Demand, generation and carbon intensity

28 December 2022

Generation mix

Wind, solar, gas and interconnector flow