Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 31 October 2025

On 31 October 2025, Britain’s electricity grid averaged 36.11 GW of grid demand, with renewables averaging 72.1% of tracked domestic generation and carbon intensity averaging 68 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 36.11 GW

Average grid demand for this UK day.

Peak demand 41.66 GW

Highest 15-minute grid demand period.

Avg carbon 68 gCO₂/kWh

Average carbon intensity where available.

Renewables 72.1 %

Average renewable share of tracked generation.

Average grid demandDemand
36.11 GWFull-day average from available snapshots
↑ +0.85 GW vs yesterday
Peak demand13:15
41.66 GWHighest 15-minute grid demand period
↓ −2.43 GW vs yesterday
Lowest demand05:00
30.15 GWLowest 15-minute grid demand period
↑ +5.10 GW vs yesterday
Domestic generationSupply
33.19 GWTracked UK generation sources only
↑ +3.28 GW vs yesterday
Average carbonCO₂
68 gCO₂/kWhCarbon intensity average
↓ −61 g vs yesterday
Renewable shareClean
72.1 %Wind, solar, hydro and biomass
↑ +15.9 pts vs yesterday
Clean share+ Nuclear
83.9 %Renewables plus nuclear
↑ +13.9 pts vs yesterday
Net importsFlow
-0.15 GWAverage imports minus exports
↓ −4.23 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 31 October 2025, Britain’s electricity grid averaged 36.11 GW of grid demand, with renewables averaging 72.1% of tracked domestic generation and carbon intensity averaging 68 gCO₂/kWh.

The highest demand period was 41.66 GW at 13:15, while the lowest carbon intensity period was 47 gCO₂/kWh at 23:30.

Key records for 31 October 2025

Highest wind22.18 GW14:30
Highest solar2.42 GW10:30
Highest gas6.09 GW16:30
Lowest carbon47 gCO₂/kWh23:30
Highest imports5.15 GW19:30
Highest exports4.97 GW01:00

Daily chart

Demand, generation and carbon intensity

31 October 2025

Generation mix

Wind, solar, gas and interconnector flow