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Daily UK grid report
UK Electricity Grid Daily Report — 3 May 2026

On 3 May 2026, Britain’s electricity grid averaged 27.44 GW of grid demand, with renewables averaging 40.2% of tracked domestic generation and carbon intensity averaging 178 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.44 GW

Average grid demand for this UK day.

Peak demand 31.89 GW

Highest 15-minute grid demand period.

Avg carbon 178 gCO₂/kWh

Average carbon intensity where available.

Renewables 40.2 %

Average renewable share of tracked generation.

Average grid demandDemand
27.44 GWFull-day average from available snapshots
↑ +0.03 GW vs yesterday
Peak demand17:45
31.89 GWHighest 15-minute grid demand period
↓ −0.03 GW vs yesterday
Lowest demand04:30
20.89 GWLowest 15-minute grid demand period
↓ −1.04 GW vs yesterday
Domestic generationSupply
20.66 GWTracked UK generation sources only
↓ −0.18 GW vs yesterday
Average carbonCO₂
178 gCO₂/kWhCarbon intensity average
↑ +15 g vs yesterday
Renewable shareClean
40.2 %Wind, solar, hydro and biomass
↓ −6.2 pts vs yesterday
Clean share+ Nuclear
63.6 %Renewables plus nuclear
↓ −6.1 pts vs yesterday
Net importsFlow
5.69 GWAverage imports minus exports
↑ +0.04 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 3 May 2026, Britain’s electricity grid averaged 27.44 GW of grid demand, with renewables averaging 40.2% of tracked domestic generation and carbon intensity averaging 178 gCO₂/kWh.

The highest demand period was 31.89 GW at 17:45, while the lowest carbon intensity period was 108 gCO₂/kWh at 06:30.

Key records for 3 May 2026

Highest wind4.70 GW01:30
Highest solar6.31 GW11:30
Highest gas12.20 GW20:30
Lowest carbon108 gCO₂/kWh06:30
Highest imports7.84 GW09:30
Highest exports1.50 GW19:45

Daily chart

Demand, generation and carbon intensity

3 May 2026

Generation mix

Wind, solar, gas and interconnector flow