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Daily UK grid report
UK Electricity Grid Daily Report — 4 November 2025

On 4 November 2025, Britain’s electricity grid averaged 35.66 GW of grid demand, with renewables averaging 69.0% of tracked domestic generation and carbon intensity averaging 99 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 35.66 GW

Average grid demand for this UK day.

Peak demand 42.12 GW

Highest 15-minute grid demand period.

Avg carbon 99 gCO₂/kWh

Average carbon intensity where available.

Renewables 69.0 %

Average renewable share of tracked generation.

Average grid demandDemand
35.66 GWFull-day average from available snapshots
↓ −0.24 GW vs yesterday
Peak demand18:15
42.12 GWHighest 15-minute grid demand period
↓ −0.25 GW vs yesterday
Lowest demand05:15
28.83 GWLowest 15-minute grid demand period
↓ −0.23 GW vs yesterday
Domestic generationSupply
30.71 GWTracked UK generation sources only
↓ −2.13 GW vs yesterday
Average carbonCO₂
99 gCO₂/kWhCarbon intensity average
↑ +33 g vs yesterday
Renewable shareClean
69.0 %Wind, solar, hydro and biomass
↓ −3.2 pts vs yesterday
Clean share+ Nuclear
81.7 %Renewables plus nuclear
↓ −2.4 pts vs yesterday
Net importsFlow
2.80 GWAverage imports minus exports
↑ +1.33 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 4 November 2025, Britain’s electricity grid averaged 35.66 GW of grid demand, with renewables averaging 69.0% of tracked domestic generation and carbon intensity averaging 99 gCO₂/kWh.

The highest demand period was 42.12 GW at 18:15, while the lowest carbon intensity period was 56 gCO₂/kWh at 03:00.

Key records for 4 November 2025

Highest wind20.77 GW00:00
Highest solar3.68 GW11:30
Highest gas9.24 GW17:30
Lowest carbon56 gCO₂/kWh03:00
Highest imports7.37 GW18:45
Highest exports5.41 GW04:00

Daily chart

Demand, generation and carbon intensity

4 November 2025

Generation mix

Wind, solar, gas and interconnector flow