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Daily UK grid report
UK Electricity Grid Daily Report — 29 November 2025

On 29 November 2025, Britain’s electricity grid averaged 34.50 GW of grid demand, with renewables averaging 67.8% of tracked domestic generation and carbon intensity averaging 78 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.50 GW

Average grid demand for this UK day.

Peak demand 41.60 GW

Highest 15-minute grid demand period.

Avg carbon 78 gCO₂/kWh

Average carbon intensity where available.

Renewables 67.8 %

Average renewable share of tracked generation.

Average grid demandDemand
34.50 GWFull-day average from available snapshots
↓ −3.92 GW vs yesterday
Peak demand18:00
41.60 GWHighest 15-minute grid demand period
↓ −3.05 GW vs yesterday
Lowest demand05:15
25.59 GWLowest 15-minute grid demand period
↓ −5.23 GW vs yesterday
Domestic generationSupply
28.80 GWTracked UK generation sources only
↓ −6.48 GW vs yesterday
Average carbonCO₂
78 gCO₂/kWhCarbon intensity average
↓ −4 g vs yesterday
Renewable shareClean
67.8 %Wind, solar, hydro and biomass
↓ −0.7 pts vs yesterday
Clean share+ Nuclear
82.5 %Renewables plus nuclear
↑ +2.3 pts vs yesterday
Net importsFlow
4.42 GWAverage imports minus exports
↑ +3.41 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 29 November 2025, Britain’s electricity grid averaged 34.50 GW of grid demand, with renewables averaging 67.8% of tracked domestic generation and carbon intensity averaging 78 gCO₂/kWh.

The highest demand period was 41.60 GW at 18:00, while the lowest carbon intensity period was 54 gCO₂/kWh at 22:30.

Key records for 29 November 2025

Highest wind18.42 GW20:30
Highest solar2.28 GW12:30
Highest gas7.54 GW17:30
Lowest carbon54 gCO₂/kWh22:30
Highest imports7.57 GW03:00
Highest exports2.60 GW23:30

Daily chart

Demand, generation and carbon intensity

29 November 2025

Generation mix

Wind, solar, gas and interconnector flow