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Daily UK grid report
UK Electricity Grid Daily Report — 1 January 2023

On 1 January 2023, Britain’s electricity grid averaged 28.16 GW of grid demand, with renewables averaging 52.1% of tracked domestic generation and carbon intensity averaging 100 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.16 GW

Average grid demand for this UK day.

Peak demand 34.92 GW

Highest 15-minute grid demand period.

Avg carbon 100 gCO₂/kWh

Average carbon intensity where available.

Renewables 52.1 %

Average renewable share of tracked generation.

Average grid demandDemand
28.16 GWFull-day average from available snapshots
↓ −1.02 GW vs yesterday
Peak demand17:00
34.92 GWHighest 15-minute grid demand period
↓ −1.13 GW vs yesterday
Lowest demand04:45
23.07 GWLowest 15-minute grid demand period
↑ +0.02 GW vs yesterday
Domestic generationSupply
24.05 GWTracked UK generation sources only
↓ −0.51 GW vs yesterday
Average carbonCO₂
100 gCO₂/kWhCarbon intensity average
↓ −7 g vs yesterday
Renewable shareClean
52.1 %Wind, solar, hydro and biomass
↑ +2.6 pts vs yesterday
Clean share+ Nuclear
76.1 %Renewables plus nuclear
↑ +3.1 pts vs yesterday
Net importsFlow
3.31 GWAverage imports minus exports
↓ −0.76 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 1 January 2023, Britain’s electricity grid averaged 28.16 GW of grid demand, with renewables averaging 52.1% of tracked domestic generation and carbon intensity averaging 100 gCO₂/kWh.

The highest demand period was 34.92 GW at 17:00, while the lowest carbon intensity period was 62 gCO₂/kWh at 02:00.

Key records for 1 January 2023

Highest wind15.04 GW01:00
Highest solar1.46 GW11:00
Highest gas9.24 GW17:30
Lowest carbon62 gCO₂/kWh02:00
Highest imports6.26 GW23:15
Highest exports3.32 GW07:00

Daily chart

Demand, generation and carbon intensity

1 January 2023

Generation mix

Wind, solar, gas and interconnector flow