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Daily UK grid report
UK Electricity Grid Daily Report — 3 January 2023

On 3 January 2023, Britain’s electricity grid averaged 33.79 GW of grid demand, with renewables averaging 59.4% of tracked domestic generation and carbon intensity averaging 99 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.79 GW

Average grid demand for this UK day.

Peak demand 42.41 GW

Highest 15-minute grid demand period.

Avg carbon 99 gCO₂/kWh

Average carbon intensity where available.

Renewables 59.4 %

Average renewable share of tracked generation.

Average grid demandDemand
33.79 GWFull-day average from available snapshots
↑ +4.10 GW vs yesterday
Peak demand17:00
42.41 GWHighest 15-minute grid demand period
↑ +2.84 GW vs yesterday
Lowest demand04:15
23.18 GWLowest 15-minute grid demand period
↑ +2.04 GW vs yesterday
Domestic generationSupply
30.56 GWTracked UK generation sources only
↑ +6.21 GW vs yesterday
Average carbonCO₂
99 gCO₂/kWhCarbon intensity average
↓ −50 g vs yesterday
Renewable shareClean
59.4 %Wind, solar, hydro and biomass
↑ +19.5 pts vs yesterday
Clean share+ Nuclear
78.9 %Renewables plus nuclear
↑ +14.4 pts vs yesterday
Net importsFlow
3.11 GWAverage imports minus exports
↓ −2.34 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 3 January 2023, Britain’s electricity grid averaged 33.79 GW of grid demand, with renewables averaging 59.4% of tracked domestic generation and carbon intensity averaging 99 gCO₂/kWh.

The highest demand period was 42.41 GW at 17:00, while the lowest carbon intensity period was 62 gCO₂/kWh at 21:30.

Key records for 3 January 2023

Highest wind18.65 GW11:00
Highest solar0.60 GW12:00
Highest gas8.98 GW16:00
Lowest carbon62 gCO₂/kWh21:30
Highest imports6.39 GW20:00
Highest exports2.24 GW23:00

Daily chart

Demand, generation and carbon intensity

3 January 2023

Generation mix

Wind, solar, gas and interconnector flow