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Daily UK grid report
UK Electricity Grid Daily Report — 3 June 2025

On 3 June 2025, Britain’s electricity grid averaged 32.88 GW of grid demand, with renewables averaging 68.9% of tracked domestic generation and carbon intensity averaging 58 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.88 GW

Average grid demand for this UK day.

Peak demand 38.37 GW

Highest 15-minute grid demand period.

Avg carbon 58 gCO₂/kWh

Average carbon intensity where available.

Renewables 68.9 %

Average renewable share of tracked generation.

Average grid demandDemand
32.88 GWFull-day average from available snapshots
↑ +1.82 GW vs yesterday
Peak demand12:00
38.37 GWHighest 15-minute grid demand period
↑ +2.88 GW vs yesterday
Lowest demand04:30
27.01 GWLowest 15-minute grid demand period
↑ +2.76 GW vs yesterday
Domestic generationSupply
31.01 GWTracked UK generation sources only
↑ +5.24 GW vs yesterday
Average carbonCO₂
58 gCO₂/kWhCarbon intensity average
↓ −18 g vs yesterday
Renewable shareClean
68.9 %Wind, solar, hydro and biomass
↑ +8.6 pts vs yesterday
Clean share+ Nuclear
84.8 %Renewables plus nuclear
↑ +5.1 pts vs yesterday
Net importsFlow
-1.67 GWAverage imports minus exports
↓ −4.55 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 3 June 2025, Britain’s electricity grid averaged 32.88 GW of grid demand, with renewables averaging 68.9% of tracked domestic generation and carbon intensity averaging 58 gCO₂/kWh.

The highest demand period was 38.37 GW at 12:00, while the lowest carbon intensity period was 29 gCO₂/kWh at 13:30.

Key records for 3 June 2025

Highest wind20.60 GW11:30
Highest solar8.89 GW14:00
Highest gas6.23 GW22:00
Lowest carbon29 gCO₂/kWh13:30
Highest imports4.78 GW22:00
Highest exports6.15 GW02:00

Daily chart

Demand, generation and carbon intensity

3 June 2025

Generation mix

Wind, solar, gas and interconnector flow