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Daily UK grid report
UK Electricity Grid Daily Report — 4 December 2022

On 4 December 2022, Britain’s electricity grid averaged 32.52 GW of grid demand, with renewables averaging 46.7% of tracked domestic generation and carbon intensity averaging 171 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.52 GW

Average grid demand for this UK day.

Peak demand 41.57 GW

Highest 15-minute grid demand period.

Avg carbon 171 gCO₂/kWh

Average carbon intensity where available.

Renewables 46.7 %

Average renewable share of tracked generation.

Average grid demandDemand
32.52 GWFull-day average from available snapshots
↓ −0.21 GW vs yesterday
Peak demand17:00
41.57 GWHighest 15-minute grid demand period
↑ +1.94 GW vs yesterday
Lowest demand04:30
23.32 GWLowest 15-minute grid demand period
↓ −0.73 GW vs yesterday
Domestic generationSupply
30.36 GWTracked UK generation sources only
↓ −0.16 GW vs yesterday
Average carbonCO₂
171 gCO₂/kWhCarbon intensity average
↓ −16 g vs yesterday
Renewable shareClean
46.7 %Wind, solar, hydro and biomass
↑ +5.2 pts vs yesterday
Clean share+ Nuclear
63.3 %Renewables plus nuclear
↑ +6.1 pts vs yesterday
Net importsFlow
1.54 GWAverage imports minus exports
↑ +0.19 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 4 December 2022, Britain’s electricity grid averaged 32.52 GW of grid demand, with renewables averaging 46.7% of tracked domestic generation and carbon intensity averaging 171 gCO₂/kWh.

The highest demand period was 41.57 GW at 17:00, while the lowest carbon intensity period was 124 gCO₂/kWh at 03:30.

Key records for 4 December 2022

Highest wind13.20 GW18:00
Highest solar0.56 GW11:30
Highest gas15.14 GW17:00
Lowest carbon124 gCO₂/kWh03:30
Highest imports3.53 GW00:45
Highest exports3.48 GW23:00

Daily chart

Demand, generation and carbon intensity

4 December 2022

Generation mix

Wind, solar, gas and interconnector flow