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Daily UK grid report
UK Electricity Grid Daily Report — 5 January 2023

On 5 January 2023, Britain’s electricity grid averaged 33.56 GW of grid demand, with renewables averaging 56.8% of tracked domestic generation and carbon intensity averaging 102 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.56 GW

Average grid demand for this UK day.

Peak demand 42.49 GW

Highest 15-minute grid demand period.

Avg carbon 102 gCO₂/kWh

Average carbon intensity where available.

Renewables 56.8 %

Average renewable share of tracked generation.

Average grid demandDemand
33.56 GWFull-day average from available snapshots
↓ −0.28 GW vs yesterday
Peak demand17:00
42.49 GWHighest 15-minute grid demand period
↑ +1.30 GW vs yesterday
Lowest demand04:45
24.01 GWLowest 15-minute grid demand period
↓ −2.71 GW vs yesterday
Domestic generationSupply
30.84 GWTracked UK generation sources only
↑ +0.50 GW vs yesterday
Average carbonCO₂
102 gCO₂/kWhCarbon intensity average
↑ +42 g vs yesterday
Renewable shareClean
56.8 %Wind, solar, hydro and biomass
↓ −9.8 pts vs yesterday
Clean share+ Nuclear
74.4 %Renewables plus nuclear
↓ −10.9 pts vs yesterday
Net importsFlow
2.31 GWAverage imports minus exports
↓ −0.51 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 5 January 2023, Britain’s electricity grid averaged 33.56 GW of grid demand, with renewables averaging 56.8% of tracked domestic generation and carbon intensity averaging 102 gCO₂/kWh.

The highest demand period was 42.49 GW at 17:00, while the lowest carbon intensity period was 47 gCO₂/kWh at 21:30.

Key records for 5 January 2023

Highest wind20.06 GW23:00
Highest solar1.29 GW11:30
Highest gas12.10 GW17:30
Lowest carbon47 gCO₂/kWh21:30
Highest imports6.31 GW10:00
Highest exports2.94 GW23:00

Daily chart

Demand, generation and carbon intensity

5 January 2023

Generation mix

Wind, solar, gas and interconnector flow