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Daily UK grid report
UK Electricity Grid Daily Report — 30 December 2022

On 30 December 2022, Britain’s electricity grid averaged 32.04 GW of grid demand, with renewables averaging 69.4% of tracked domestic generation and carbon intensity averaging 53 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.04 GW

Average grid demand for this UK day.

Peak demand 38.64 GW

Highest 15-minute grid demand period.

Avg carbon 53 gCO₂/kWh

Average carbon intensity where available.

Renewables 69.4 %

Average renewable share of tracked generation.

Average grid demandDemand
32.04 GWFull-day average from available snapshots
↓ −0.10 GW vs yesterday
Peak demand17:30
38.64 GWHighest 15-minute grid demand period
↓ −1.15 GW vs yesterday
Lowest demand00:15
26.11 GWLowest 15-minute grid demand period
↑ +0.10 GW vs yesterday
Domestic generationSupply
29.63 GWTracked UK generation sources only
↑ +0.05 GW vs yesterday
Average carbonCO₂
53 gCO₂/kWhCarbon intensity average
↑ +2 g vs yesterday
Renewable shareClean
69.4 %Wind, solar, hydro and biomass
↑ +0.8 pts vs yesterday
Clean share+ Nuclear
88.8 %Renewables plus nuclear
↑ +0.8 pts vs yesterday
Net importsFlow
1.30 GWAverage imports minus exports
↓ −0.39 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 December 2022, Britain’s electricity grid averaged 32.04 GW of grid demand, with renewables averaging 69.4% of tracked domestic generation and carbon intensity averaging 53 gCO₂/kWh.

The highest demand period was 38.64 GW at 17:30, while the lowest carbon intensity period was 45 gCO₂/kWh at 03:30.

Key records for 30 December 2022

Highest wind20.90 GW18:30
Highest solar0.81 GW12:30
Highest gas3.71 GW08:30
Lowest carbon45 gCO₂/kWh03:30
Highest imports6.10 GW17:15
Highest exports5.15 GW05:00

Daily chart

Demand, generation and carbon intensity

30 December 2022

Generation mix

Wind, solar, gas and interconnector flow