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Daily UK grid report
UK Electricity Grid Daily Report — 11 October 2025

On 11 October 2025, Britain’s electricity grid averaged 29.35 GW of grid demand, with renewables averaging 29.1% of tracked domestic generation and carbon intensity averaging 209 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.35 GW

Average grid demand for this UK day.

Peak demand 34.12 GW

Highest 15-minute grid demand period.

Avg carbon 209 gCO₂/kWh

Average carbon intensity where available.

Renewables 29.1 %

Average renewable share of tracked generation.

Average grid demandDemand
29.35 GWFull-day average from available snapshots
↓ −2.82 GW vs yesterday
Peak demand18:30
34.12 GWHighest 15-minute grid demand period
↓ −3.19 GW vs yesterday
Lowest demand05:15
23.13 GWLowest 15-minute grid demand period
↓ −1.27 GW vs yesterday
Domestic generationSupply
23.27 GWTracked UK generation sources only
↓ −2.69 GW vs yesterday
Average carbonCO₂
209 gCO₂/kWhCarbon intensity average
↑ +24 g vs yesterday
Renewable shareClean
29.1 %Wind, solar, hydro and biomass
↓ −9.2 pts vs yesterday
Clean share+ Nuclear
42.7 %Renewables plus nuclear
↓ −7.0 pts vs yesterday
Net importsFlow
4.76 GWAverage imports minus exports
↑ +0.03 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 11 October 2025, Britain’s electricity grid averaged 29.35 GW of grid demand, with renewables averaging 29.1% of tracked domestic generation and carbon intensity averaging 209 gCO₂/kWh.

The highest demand period was 34.12 GW at 18:30, while the lowest carbon intensity period was 181 gCO₂/kWh at 05:00.

Key records for 11 October 2025

Highest wind4.84 GW00:00
Highest solar5.26 GW13:00
Highest gas17.08 GW18:30
Lowest carbon181 gCO₂/kWh05:00
Highest imports6.87 GW13:00
Highest exports1.95 GW16:00

Daily chart

Demand, generation and carbon intensity

11 October 2025

Generation mix

Wind, solar, gas and interconnector flow