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Daily UK grid report
UK Electricity Grid Daily Report — 13 October 2025

On 13 October 2025, Britain’s electricity grid averaged 32.78 GW of grid demand, with renewables averaging 16.4% of tracked domestic generation and carbon intensity averaging 267 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.78 GW

Average grid demand for this UK day.

Peak demand 37.69 GW

Highest 15-minute grid demand period.

Avg carbon 267 gCO₂/kWh

Average carbon intensity where available.

Renewables 16.4 %

Average renewable share of tracked generation.

Average grid demandDemand
32.78 GWFull-day average from available snapshots
↑ +3.24 GW vs yesterday
Peak demand18:00
37.69 GWHighest 15-minute grid demand period
↑ +2.02 GW vs yesterday
Lowest demand04:15
25.49 GWLowest 15-minute grid demand period
↑ +2.70 GW vs yesterday
Domestic generationSupply
29.44 GWTracked UK generation sources only
↑ +5.66 GW vs yesterday
Average carbonCO₂
267 gCO₂/kWhCarbon intensity average
↑ +34 g vs yesterday
Renewable shareClean
16.4 %Wind, solar, hydro and biomass
↓ −2.9 pts vs yesterday
Clean share+ Nuclear
28.4 %Renewables plus nuclear
↓ −5.7 pts vs yesterday
Net importsFlow
1.24 GWAverage imports minus exports
↓ −3.13 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 13 October 2025, Britain’s electricity grid averaged 32.78 GW of grid demand, with renewables averaging 16.4% of tracked domestic generation and carbon intensity averaging 267 gCO₂/kWh.

The highest demand period was 37.69 GW at 18:00, while the lowest carbon intensity period was 235 gCO₂/kWh at 00:30.

Key records for 13 October 2025

Highest wind2.93 GW01:30
Highest solar2.78 GW12:00
Highest gas23.07 GW18:30
Lowest carbon235 gCO₂/kWh00:30
Highest imports5.42 GW13:15
Highest exports4.26 GW05:45

Daily chart

Demand, generation and carbon intensity

13 October 2025

Generation mix

Wind, solar, gas and interconnector flow