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Daily UK grid report
UK Electricity Grid Daily Report — 25 January 2023

On 25 January 2023, Britain’s electricity grid averaged 40.50 GW of grid demand, with renewables averaging 35.4% of tracked domestic generation and carbon intensity averaging 215 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 40.50 GW

Average grid demand for this UK day.

Peak demand 47.59 GW

Highest 15-minute grid demand period.

Avg carbon 215 gCO₂/kWh

Average carbon intensity where available.

Renewables 35.4 %

Average renewable share of tracked generation.

Average grid demandDemand
40.50 GWFull-day average from available snapshots
↑ +3.02 GW vs yesterday
Peak demand17:00
47.59 GWHighest 15-minute grid demand period
↑ +2.07 GW vs yesterday
Lowest demand23:30
30.61 GWLowest 15-minute grid demand period
↑ +2.70 GW vs yesterday
Domestic generationSupply
38.84 GWTracked UK generation sources only
↑ +3.82 GW vs yesterday
Average carbonCO₂
215 gCO₂/kWhCarbon intensity average
↓ −29 g vs yesterday
Renewable shareClean
35.4 %Wind, solar, hydro and biomass
↑ +9.0 pts vs yesterday
Clean share+ Nuclear
48.1 %Renewables plus nuclear
↑ +7.7 pts vs yesterday
Net importsFlow
-1.03 GWAverage imports minus exports
↓ −2.89 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 25 January 2023, Britain’s electricity grid averaged 40.50 GW of grid demand, with renewables averaging 35.4% of tracked domestic generation and carbon intensity averaging 215 gCO₂/kWh.

The highest demand period was 47.59 GW at 17:00, while the lowest carbon intensity period was 151 gCO₂/kWh at 23:30.

Key records for 25 January 2023

Highest wind13.70 GW21:00
Highest solar1.44 GW11:30
Highest gas23.42 GW13:00
Lowest carbon151 gCO₂/kWh23:30
Highest imports3.00 GW09:00
Highest exports4.93 GW05:00

Daily chart

Demand, generation and carbon intensity

25 January 2023

Generation mix

Wind, solar, gas and interconnector flow