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Daily UK grid report
UK Electricity Grid Daily Report — 20 October 2026

On 20 October 2026, Britain’s electricity grid averaged 33.99 GW of grid demand, with renewables averaging 50.7% of tracked domestic generation and carbon intensity averaging 122 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.99 GW

Average grid demand for this UK day.

Peak demand 41.15 GW

Highest 15-minute grid demand period.

Avg carbon 122 gCO₂/kWh

Average carbon intensity where available.

Renewables 50.7 %

Average renewable share of tracked generation.

Average grid demandDemand
33.99 GWFull-day average from available snapshots
↑ +0.17 GW vs yesterday
Peak demand18:15
41.15 GWHighest 15-minute grid demand period
↑ +0.34 GW vs yesterday
Lowest demand02:30
26.74 GWLowest 15-minute grid demand period
↑ +1.88 GW vs yesterday
Domestic generationSupply
30.72 GWTracked UK generation sources only
↑ +0.26 GW vs yesterday
Average carbonCO₂
122 gCO₂/kWhCarbon intensity average
↓ −20 g vs yesterday
Renewable shareClean
50.7 %Wind, solar, hydro and biomass
↑ +5.1 pts vs yesterday
Clean share+ Nuclear
67.2 %Renewables plus nuclear
↑ +5.0 pts vs yesterday
Net importsFlow
1.42 GWAverage imports minus exports
↑ +0.35 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 20 October 2026, Britain’s electricity grid averaged 33.99 GW of grid demand, with renewables averaging 50.7% of tracked domestic generation and carbon intensity averaging 122 gCO₂/kWh.

The highest demand period was 41.15 GW at 18:15, while the lowest carbon intensity period was 80 gCO₂/kWh at 23:30.

Key records for 20 October 2026

Highest wind13.71 GW12:15
Highest solar2.46 GW12:30
Highest gas13.06 GW18:30
Lowest carbon80 gCO₂/kWh23:30
Highest imports4.77 GW14:00
Highest exports3.53 GW07:45

Daily chart

Demand, generation and carbon intensity

20 October 2026

Generation mix

Wind, solar, gas and interconnector flow