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Daily UK grid report
UK Electricity Grid Daily Report — 4 November 2026

On 4 November 2026, Britain’s electricity grid averaged 37.19 GW of grid demand, with renewables averaging 42.3% of tracked domestic generation and carbon intensity averaging 187 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 37.19 GW

Average grid demand for this UK day.

Peak demand 44.96 GW

Highest 15-minute grid demand period.

Avg carbon 187 gCO₂/kWh

Average carbon intensity where available.

Renewables 42.3 %

Average renewable share of tracked generation.

Average grid demandDemand
37.19 GWFull-day average from available snapshots
↑ +1.29 GW vs yesterday
Peak demand17:00
44.96 GWHighest 15-minute grid demand period
↑ +2.74 GW vs yesterday
Lowest demand04:15
28.29 GWLowest 15-minute grid demand period
↑ +0.44 GW vs yesterday
Domestic generationSupply
35.21 GWTracked UK generation sources only
↑ +1.38 GW vs yesterday
Average carbonCO₂
187 gCO₂/kWhCarbon intensity average
↑ +13 g vs yesterday
Renewable shareClean
42.3 %Wind, solar, hydro and biomass
↓ −1.1 pts vs yesterday
Clean share+ Nuclear
57.1 %Renewables plus nuclear
↓ −1.6 pts vs yesterday
Net importsFlow
-0.59 GWAverage imports minus exports
↓ −0.75 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 4 November 2026, Britain’s electricity grid averaged 37.19 GW of grid demand, with renewables averaging 42.3% of tracked domestic generation and carbon intensity averaging 187 gCO₂/kWh.

The highest demand period was 44.96 GW at 17:00, while the lowest carbon intensity period was 141 gCO₂/kWh at 23:30.

Key records for 4 November 2026

Highest wind12.55 GW20:00
Highest solar2.79 GW12:30
Highest gas19.32 GW17:00
Lowest carbon141 gCO₂/kWh23:30
Highest imports4.03 GW12:00
Highest exports5.24 GW05:00

Daily chart

Demand, generation and carbon intensity

4 November 2026

Generation mix

Wind, solar, gas and interconnector flow