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Daily UK grid report
UK Electricity Grid Yesterday — 30 October 2026

On 30 October 2026, Britain’s electricity grid averaged 33.69 GW of grid demand, with renewables averaging 36.1% of tracked domestic generation and carbon intensity averaging 179 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.69 GW

Average grid demand for this UK day.

Peak demand 39.08 GW

Highest 15-minute grid demand period.

Avg carbon 179 gCO₂/kWh

Average carbon intensity where available.

Renewables 36.1 %

Average renewable share of tracked generation.

Average grid demandDemand
33.69 GWFull-day average from available snapshots
↓ −1.08 GW vs yesterday
Peak demand18:00
39.08 GWHighest 15-minute grid demand period
↓ −1.04 GW vs yesterday
Lowest demand03:45
27.59 GWLowest 15-minute grid demand period
↓ −1.80 GW vs yesterday
Domestic generationSupply
31.91 GWTracked UK generation sources only
↓ −0.75 GW vs yesterday
Average carbonCO₂
179 gCO₂/kWhCarbon intensity average
↓ −34 g vs yesterday
Renewable shareClean
36.1 %Wind, solar, hydro and biomass
↑ +7.5 pts vs yesterday
Clean share+ Nuclear
52.3 %Renewables plus nuclear
↑ +7.9 pts vs yesterday
Net importsFlow
-0.78 GWAverage imports minus exports
↓ −0.11 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 October 2026, Britain’s electricity grid averaged 33.69 GW of grid demand, with renewables averaging 36.1% of tracked domestic generation and carbon intensity averaging 179 gCO₂/kWh.

The highest demand period was 39.08 GW at 18:00, while the lowest carbon intensity period was 138 gCO₂/kWh at 13:45.

Key records for 30 October 2026

Highest wind6.87 GW11:00
Highest solar6.80 GW12:00
Highest gas18.23 GW19:00
Lowest carbon138 gCO₂/kWh13:45
Highest imports4.05 GW11:30
Highest exports5.04 GW05:15

Daily chart

Demand, generation and carbon intensity

30 October 2026

Generation mix

Wind, solar, gas and interconnector flow