Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 1 October 2025

On 1 October 2025, Britain’s electricity grid averaged 33.22 GW of grid demand, with renewables averaging 51.3% of tracked domestic generation and carbon intensity averaging 153 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.22 GW

Average grid demand for this UK day.

Peak demand 38.74 GW

Highest 15-minute grid demand period.

Avg carbon 153 gCO₂/kWh

Average carbon intensity where available.

Renewables 51.3 %

Average renewable share of tracked generation.

Average grid demandDemand
33.22 GWFull-day average from available snapshots
↑ +0.50 GW vs yesterday
Peak demand19:15
38.74 GWHighest 15-minute grid demand period
↑ +1.02 GW vs yesterday
Lowest demand04:30
26.30 GWLowest 15-minute grid demand period
↑ +1.23 GW vs yesterday
Domestic generationSupply
28.87 GWTracked UK generation sources only
↑ +0.51 GW vs yesterday
Average carbonCO₂
153 gCO₂/kWhCarbon intensity average
↓ −33 g vs yesterday
Renewable shareClean
51.3 %Wind, solar, hydro and biomass
↑ +9.4 pts vs yesterday
Clean share+ Nuclear
60.2 %Renewables plus nuclear
↑ +9.1 pts vs yesterday
Net importsFlow
2.16 GWAverage imports minus exports
↑ +0.20 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 1 October 2025, Britain’s electricity grid averaged 33.22 GW of grid demand, with renewables averaging 51.3% of tracked domestic generation and carbon intensity averaging 153 gCO₂/kWh.

The highest demand period was 38.74 GW at 19:15, while the lowest carbon intensity period was 84 gCO₂/kWh at 23:30.

Key records for 1 October 2025

Highest wind11.95 GW23:30
Highest solar5.19 GW13:30
Highest gas16.87 GW19:00
Lowest carbon84 gCO₂/kWh23:30
Highest imports6.69 GW11:00
Highest exports3.54 GW18:00

Daily chart

Demand, generation and carbon intensity

1 October 2025

Generation mix

Wind, solar, gas and interconnector flow