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Daily UK grid report
UK Electricity Grid Daily Report — 17 November 2025

On 17 November 2025, Britain’s electricity grid averaged 38.05 GW of grid demand, with renewables averaging 53.8% of tracked domestic generation and carbon intensity averaging 143 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 38.05 GW

Average grid demand for this UK day.

Peak demand 46.01 GW

Highest 15-minute grid demand period.

Avg carbon 143 gCO₂/kWh

Average carbon intensity where available.

Renewables 53.8 %

Average renewable share of tracked generation.

Average grid demandDemand
38.05 GWFull-day average from available snapshots
↑ +4.89 GW vs yesterday
Peak demand17:15
46.01 GWHighest 15-minute grid demand period
↑ +4.03 GW vs yesterday
Lowest demand04:00
28.47 GWLowest 15-minute grid demand period
↑ +2.69 GW vs yesterday
Domestic generationSupply
33.96 GWTracked UK generation sources only
↑ +5.05 GW vs yesterday
Average carbonCO₂
143 gCO₂/kWhCarbon intensity average
↓ −11 g vs yesterday
Renewable shareClean
53.8 %Wind, solar, hydro and biomass
↑ +4.1 pts vs yesterday
Clean share+ Nuclear
64.6 %Renewables plus nuclear
↑ +2.8 pts vs yesterday
Net importsFlow
2.51 GWAverage imports minus exports
↑ +0.25 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 November 2025, Britain’s electricity grid averaged 38.05 GW of grid demand, with renewables averaging 53.8% of tracked domestic generation and carbon intensity averaging 143 gCO₂/kWh.

The highest demand period was 46.01 GW at 17:15, while the lowest carbon intensity period was 47 gCO₂/kWh at 04:30.

Key records for 17 November 2025

Highest wind17.45 GW03:30
Highest solar8.27 GW11:30
Highest gas21.27 GW18:30
Lowest carbon47 gCO₂/kWh04:30
Highest imports6.41 GW23:00
Highest exports3.36 GW07:00

Daily chart

Demand, generation and carbon intensity

17 November 2025

Generation mix

Wind, solar, gas and interconnector flow