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UK Electricity Grid Daily Report — 17 October 2026

On 17 October 2026, Britain’s electricity grid averaged 30.47 GW of grid demand, with renewables averaging 67.4% of tracked domestic generation and carbon intensity averaging 132 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.47 GW

Average grid demand for this UK day.

Peak demand 35.47 GW

Highest 15-minute grid demand period.

Avg carbon 132 gCO₂/kWh

Average carbon intensity where available.

Renewables 67.4 %

Average renewable share of tracked generation.

Average grid demandDemand
30.47 GWFull-day average from available snapshots
↓ −1.58 GW vs yesterday
Peak demand10:00
35.47 GWHighest 15-minute grid demand period
↓ −3.71 GW vs yesterday
Lowest demand06:15
24.92 GWLowest 15-minute grid demand period
↓ −0.22 GW vs yesterday
Domestic generationSupply
24.00 GWTracked UK generation sources only
↓ −3.72 GW vs yesterday
Average carbonCO₂
132 gCO₂/kWhCarbon intensity average
↓ −15 g vs yesterday
Renewable shareClean
67.4 %Wind, solar, hydro and biomass
↑ +12.9 pts vs yesterday
Clean share+ Nuclear
87.8 %Renewables plus nuclear
↑ +16.3 pts vs yesterday
Net importsFlow
5.61 GWAverage imports minus exports
↑ +2.56 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 October 2026, Britain’s electricity grid averaged 30.47 GW of grid demand, with renewables averaging 67.4% of tracked domestic generation and carbon intensity averaging 132 gCO₂/kWh.

The highest demand period was 35.47 GW at 10:00, while the lowest carbon intensity period was 73 gCO₂/kWh at 06:00.

Key records for 17 October 2026

Highest wind11.95 GW07:30
Highest solar10.69 GW11:30
Highest gas5.85 GW18:30
Lowest carbon73 gCO₂/kWh06:00
Highest imports7.79 GW17:15
Highest exports1.50 GW01:15

Daily chart

Demand, generation and carbon intensity

17 October 2026

Generation mix

Wind, solar, gas and interconnector flow