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UK Electricity Grid Daily Report — 25 October 2026

On 25 October 2026, Britain’s electricity grid averaged 27.83 GW of grid demand, with renewables averaging 58.5% of tracked domestic generation and carbon intensity averaging 67 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.83 GW

Average grid demand for this UK day.

Peak demand 36.04 GW

Highest 15-minute grid demand period.

Avg carbon 67 gCO₂/kWh

Average carbon intensity where available.

Renewables 58.5 %

Average renewable share of tracked generation.

Average grid demandDemand
27.83 GWFull-day average from available snapshots
↓ −2.42 GW vs yesterday
Peak demand17:30
36.04 GWHighest 15-minute grid demand period
↓ −0.24 GW vs yesterday
Lowest demand03:45
20.81 GWLowest 15-minute grid demand period
↓ −2.42 GW vs yesterday
Domestic generationSupply
24.97 GWTracked UK generation sources only
↓ −1.54 GW vs yesterday
Average carbonCO₂
67 gCO₂/kWhCarbon intensity average
↓ −1 g vs yesterday
Renewable shareClean
58.5 %Wind, solar, hydro and biomass
↓ −3.2 pts vs yesterday
Clean share+ Nuclear
79.0 %Renewables plus nuclear
↓ −2.1 pts vs yesterday
Net importsFlow
2.47 GWAverage imports minus exports
↓ −0.75 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 25 October 2026, Britain’s electricity grid averaged 27.83 GW of grid demand, with renewables averaging 58.5% of tracked domestic generation and carbon intensity averaging 67 gCO₂/kWh.

The highest demand period was 36.04 GW at 17:30, while the lowest carbon intensity period was 42 gCO₂/kWh at 16:30.

Key records for 25 October 2026

Highest wind15.04 GW23:45
Highest solar6.69 GW12:30
Highest gas6.42 GW18:45
Lowest carbon42 gCO₂/kWh16:30
Highest imports7.41 GW16:00
Highest exports4.30 GW23:00

Daily chart

Demand, generation and carbon intensity

25 October 2026

Generation mix

Wind, solar, gas and interconnector flow