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Daily UK grid report
UK Electricity Grid Daily Report — 8 October 2025

On 8 October 2025, Britain’s electricity grid averaged 33.79 GW of grid demand, with renewables averaging 37.6% of tracked domestic generation and carbon intensity averaging 199 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.79 GW

Average grid demand for this UK day.

Peak demand 39.45 GW

Highest 15-minute grid demand period.

Avg carbon 199 gCO₂/kWh

Average carbon intensity where available.

Renewables 37.6 %

Average renewable share of tracked generation.

Average grid demandDemand
33.79 GWFull-day average from available snapshots
↑ +0.14 GW vs yesterday
Peak demand19:00
39.45 GWHighest 15-minute grid demand period
↑ +0.54 GW vs yesterday
Lowest demand03:30
26.36 GWLowest 15-minute grid demand period
↓ −0.02 GW vs yesterday
Domestic generationSupply
30.80 GWTracked UK generation sources only
↑ +0.09 GW vs yesterday
Average carbonCO₂
199 gCO₂/kWhCarbon intensity average
↑ +27 g vs yesterday
Renewable shareClean
37.6 %Wind, solar, hydro and biomass
↓ −8.7 pts vs yesterday
Clean share+ Nuclear
46.9 %Renewables plus nuclear
↓ −7.9 pts vs yesterday
Net importsFlow
-0.25 GWAverage imports minus exports
↑ +0.05 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 8 October 2025, Britain’s electricity grid averaged 33.79 GW of grid demand, with renewables averaging 37.6% of tracked domestic generation and carbon intensity averaging 199 gCO₂/kWh.

The highest demand period was 39.45 GW at 19:00, while the lowest carbon intensity period was 133 gCO₂/kWh at 23:30.

Key records for 8 October 2025

Highest wind9.28 GW23:00
Highest solar4.97 GW14:00
Highest gas20.37 GW19:00
Lowest carbon133 gCO₂/kWh23:30
Highest imports4.23 GW10:00
Highest exports4.64 GW07:30

Daily chart

Demand, generation and carbon intensity

8 October 2025

Generation mix

Wind, solar, gas and interconnector flow