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Daily UK grid report
UK Electricity Grid Daily Report — 20 January 2024

On 20 January 2024, Britain’s electricity grid averaged 36.62 GW of grid demand, with renewables averaging 63.8% of tracked domestic generation and carbon intensity averaging 121 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 36.62 GW

Average grid demand for this UK day.

Peak demand 43.08 GW

Highest 15-minute grid demand period.

Avg carbon 121 gCO₂/kWh

Average carbon intensity where available.

Renewables 63.8 %

Average renewable share of tracked generation.

Average grid demandDemand
36.62 GWFull-day average from available snapshots
↓ −4.31 GW vs yesterday
Peak demand17:00
43.08 GWHighest 15-minute grid demand period
↓ −5.66 GW vs yesterday
Lowest demand03:45
29.97 GWLowest 15-minute grid demand period
↓ −1.27 GW vs yesterday
Domestic generationSupply
33.90 GWTracked UK generation sources only
↓ −4.92 GW vs yesterday
Average carbonCO₂
121 gCO₂/kWhCarbon intensity average
↓ −76 g vs yesterday
Renewable shareClean
63.8 %Wind, solar, hydro and biomass
↑ +17.5 pts vs yesterday
Clean share+ Nuclear
71.2 %Renewables plus nuclear
↑ +18.4 pts vs yesterday
Net importsFlow
1.76 GWAverage imports minus exports
↑ +1.38 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 20 January 2024, Britain’s electricity grid averaged 36.62 GW of grid demand, with renewables averaging 63.8% of tracked domestic generation and carbon intensity averaging 121 gCO₂/kWh.

The highest demand period was 43.08 GW at 17:00, while the lowest carbon intensity period was 65 gCO₂/kWh at 23:30.

Key records for 20 January 2024

Highest wind21.56 GW20:30
Highest solar1.90 GW12:00
Highest gas13.95 GW17:00
Lowest carbon65 gCO₂/kWh23:30
Highest imports5.44 GW12:00
Highest exports3.76 GW06:15

Daily chart

Demand, generation and carbon intensity

20 January 2024

Generation mix

Wind, solar, gas and interconnector flow