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Daily UK grid report
UK Electricity Grid Daily Report — 31 January 2023

On 31 January 2023, Britain’s electricity grid averaged 38.30 GW of grid demand, with renewables averaging 63.2% of tracked domestic generation and carbon intensity averaging 111 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 38.30 GW

Average grid demand for this UK day.

Peak demand 45.78 GW

Highest 15-minute grid demand period.

Avg carbon 111 gCO₂/kWh

Average carbon intensity where available.

Renewables 63.2 %

Average renewable share of tracked generation.

Average grid demandDemand
38.30 GWFull-day average from available snapshots
↑ +0.96 GW vs yesterday
Peak demand17:45
45.78 GWHighest 15-minute grid demand period
↑ +1.87 GW vs yesterday
Lowest demand03:45
29.73 GWLowest 15-minute grid demand period
↑ +0.28 GW vs yesterday
Domestic generationSupply
36.18 GWTracked UK generation sources only
↑ +1.19 GW vs yesterday
Average carbonCO₂
111 gCO₂/kWhCarbon intensity average
↓ −29 g vs yesterday
Renewable shareClean
63.2 %Wind, solar, hydro and biomass
↑ +10.6 pts vs yesterday
Clean share+ Nuclear
76.8 %Renewables plus nuclear
↑ +10.2 pts vs yesterday
Net importsFlow
-0.45 GWAverage imports minus exports
↓ −0.63 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 31 January 2023, Britain’s electricity grid averaged 38.30 GW of grid demand, with renewables averaging 63.2% of tracked domestic generation and carbon intensity averaging 111 gCO₂/kWh.

The highest demand period was 45.78 GW at 17:45, while the lowest carbon intensity period was 64 gCO₂/kWh at 23:30.

Key records for 31 January 2023

Highest wind21.30 GW11:00
Highest solar4.44 GW11:30
Highest gas13.14 GW18:00
Lowest carbon64 gCO₂/kWh23:30
Highest imports3.60 GW01:15
Highest exports5.11 GW04:00

Daily chart

Demand, generation and carbon intensity

31 January 2023

Generation mix

Wind, solar, gas and interconnector flow