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Daily UK grid report
UK Electricity Grid Daily Report — 2 June 2025

On 2 June 2025, Britain’s electricity grid averaged 31.06 GW of grid demand, with renewables averaging 60.3% of tracked domestic generation and carbon intensity averaging 76 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.06 GW

Average grid demand for this UK day.

Peak demand 35.49 GW

Highest 15-minute grid demand period.

Avg carbon 76 gCO₂/kWh

Average carbon intensity where available.

Renewables 60.3 %

Average renewable share of tracked generation.

Average grid demandDemand
31.06 GWFull-day average from available snapshots
↑ +2.79 GW vs yesterday
Peak demand13:00
35.49 GWHighest 15-minute grid demand period
↑ +2.48 GW vs yesterday
Lowest demand04:30
24.25 GWLowest 15-minute grid demand period
↑ +1.86 GW vs yesterday
Domestic generationSupply
25.77 GWTracked UK generation sources only
↓ −0.28 GW vs yesterday
Average carbonCO₂
76 gCO₂/kWhCarbon intensity average
↑ +19 g vs yesterday
Renewable shareClean
60.3 %Wind, solar, hydro and biomass
↓ −6.3 pts vs yesterday
Clean share+ Nuclear
79.7 %Renewables plus nuclear
↓ −6.1 pts vs yesterday
Net importsFlow
2.88 GWAverage imports minus exports
↑ +3.04 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 2 June 2025, Britain’s electricity grid averaged 31.06 GW of grid demand, with renewables averaging 60.3% of tracked domestic generation and carbon intensity averaging 76 gCO₂/kWh.

The highest demand period was 35.49 GW at 13:00, while the lowest carbon intensity period was 40 gCO₂/kWh at 12:30.

Key records for 2 June 2025

Highest wind16.96 GW23:30
Highest solar11.62 GW14:00
Highest gas7.53 GW22:00
Lowest carbon40 gCO₂/kWh12:30
Highest imports8.33 GW12:45
Highest exports4.89 GW23:00

Daily chart

Demand, generation and carbon intensity

2 June 2025

Generation mix

Wind, solar, gas and interconnector flow