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Daily UK grid report
UK Electricity Grid Daily Report — 23 January 2026

On 23 January 2026, Britain’s electricity grid averaged 38.50 GW of grid demand, with renewables averaging 72.4% of tracked domestic generation and carbon intensity averaging 79 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 38.50 GW

Average grid demand for this UK day.

Peak demand 45.25 GW

Highest 15-minute grid demand period.

Avg carbon 79 gCO₂/kWh

Average carbon intensity where available.

Renewables 72.4 %

Average renewable share of tracked generation.

Average grid demandDemand
38.50 GWFull-day average from available snapshots
↓ −1.14 GW vs yesterday
Peak demand17:00
45.25 GWHighest 15-minute grid demand period
↓ −3.34 GW vs yesterday
Lowest demand23:30
31.07 GWLowest 15-minute grid demand period
↓ −0.87 GW vs yesterday
Domestic generationSupply
33.13 GWTracked UK generation sources only
↓ −1.42 GW vs yesterday
Average carbonCO₂
79 gCO₂/kWhCarbon intensity average
↓ −8 g vs yesterday
Renewable shareClean
72.4 %Wind, solar, hydro and biomass
↑ +3.1 pts vs yesterday
Clean share+ Nuclear
82.0 %Renewables plus nuclear
↑ +3.1 pts vs yesterday
Net importsFlow
4.49 GWAverage imports minus exports
↑ +1.40 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 January 2026, Britain’s electricity grid averaged 38.50 GW of grid demand, with renewables averaging 72.4% of tracked domestic generation and carbon intensity averaging 79 gCO₂/kWh.

The highest demand period was 45.25 GW at 17:00, while the lowest carbon intensity period was 57 gCO₂/kWh at 02:00.

Key records for 23 January 2026

Highest wind22.16 GW18:30
Highest solar2.03 GW13:00
Highest gas7.86 GW08:30
Lowest carbon57 gCO₂/kWh02:00
Highest imports8.02 GW13:45
Highest exports3.31 GW05:00

Daily chart

Demand, generation and carbon intensity

23 January 2026

Generation mix

Wind, solar, gas and interconnector flow