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Daily UK grid report
UK Electricity Grid Daily Report — 2 October 2025

On 2 October 2025, Britain’s electricity grid averaged 30.80 GW of grid demand, with renewables averaging 68.1% of tracked domestic generation and carbon intensity averaging 91 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.80 GW

Average grid demand for this UK day.

Peak demand 38.24 GW

Highest 15-minute grid demand period.

Avg carbon 91 gCO₂/kWh

Average carbon intensity where available.

Renewables 68.1 %

Average renewable share of tracked generation.

Average grid demandDemand
30.80 GWFull-day average from available snapshots
↓ −2.42 GW vs yesterday
Peak demand19:00
38.24 GWHighest 15-minute grid demand period
↓ −0.50 GW vs yesterday
Lowest demand06:15
21.84 GWLowest 15-minute grid demand period
↓ −4.46 GW vs yesterday
Domestic generationSupply
26.01 GWTracked UK generation sources only
↓ −2.85 GW vs yesterday
Average carbonCO₂
91 gCO₂/kWhCarbon intensity average
↓ −62 g vs yesterday
Renewable shareClean
68.1 %Wind, solar, hydro and biomass
↑ +16.8 pts vs yesterday
Clean share+ Nuclear
78.2 %Renewables plus nuclear
↑ +18.0 pts vs yesterday
Net importsFlow
3.50 GWAverage imports minus exports
↑ +1.34 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 2 October 2025, Britain’s electricity grid averaged 30.80 GW of grid demand, with renewables averaging 68.1% of tracked domestic generation and carbon intensity averaging 91 gCO₂/kWh.

The highest demand period was 38.24 GW at 19:00, while the lowest carbon intensity period was 63 gCO₂/kWh at 05:00.

Key records for 2 October 2025

Highest wind19.70 GW23:30
Highest solar5.01 GW13:30
Highest gas8.90 GW18:30
Lowest carbon63 gCO₂/kWh05:00
Highest imports7.40 GW11:45
Highest exports3.22 GW23:00

Daily chart

Demand, generation and carbon intensity

2 October 2025

Generation mix

Wind, solar, gas and interconnector flow