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Daily UK grid report
UK Electricity Grid Daily Report — 18 January 2023

On 18 January 2023, Britain’s electricity grid averaged 40.63 GW of grid demand, with renewables averaging 50.0% of tracked domestic generation and carbon intensity averaging 164 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 40.63 GW

Average grid demand for this UK day.

Peak demand 48.83 GW

Highest 15-minute grid demand period.

Avg carbon 164 gCO₂/kWh

Average carbon intensity where available.

Renewables 50.0 %

Average renewable share of tracked generation.

Average grid demandDemand
40.63 GWFull-day average from available snapshots
↑ +1.74 GW vs yesterday
Peak demand10:30
48.83 GWHighest 15-minute grid demand period
↑ +1.35 GW vs yesterday
Lowest demand03:30
28.43 GWLowest 15-minute grid demand period
↑ +0.60 GW vs yesterday
Domestic generationSupply
38.33 GWTracked UK generation sources only
↑ +3.22 GW vs yesterday
Average carbonCO₂
164 gCO₂/kWhCarbon intensity average
↓ −42 g vs yesterday
Renewable shareClean
50.0 %Wind, solar, hydro and biomass
↑ +13.9 pts vs yesterday
Clean share+ Nuclear
62.5 %Renewables plus nuclear
↑ +12.8 pts vs yesterday
Net importsFlow
0.62 GWAverage imports minus exports
↓ −3.16 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 18 January 2023, Britain’s electricity grid averaged 40.63 GW of grid demand, with renewables averaging 50.0% of tracked domestic generation and carbon intensity averaging 164 gCO₂/kWh.

The highest demand period was 48.83 GW at 10:30, while the lowest carbon intensity period was 91 gCO₂/kWh at 02:30.

Key records for 18 January 2023

Highest wind16.62 GW08:30
Highest solar4.59 GW11:30
Highest gas19.88 GW16:30
Lowest carbon91 gCO₂/kWh02:30
Highest imports3.43 GW01:00
Highest exports4.09 GW08:00

Daily chart

Demand, generation and carbon intensity

18 January 2023

Generation mix

Wind, solar, gas and interconnector flow