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

On 3 June 2026, Britain’s electricity grid averaged 29.93 GW of grid demand, with renewables averaging 71.5% of tracked domestic generation and carbon intensity averaging 110 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.93 GW

Average grid demand for this UK day.

Peak demand 35.97 GW

Highest 15-minute grid demand period.

Avg carbon 110 gCO₂/kWh

Average carbon intensity where available.

Renewables 71.5 %

Average renewable share of tracked generation.

Average grid demandDemand
29.93 GWFull-day average from available snapshots
↓ −0.60 GW vs yesterday
Peak demand13:00
35.97 GWHighest 15-minute grid demand period
↑ +0.12 GW vs yesterday
Lowest demand04:30
21.53 GWLowest 15-minute grid demand period
↓ −2.62 GW vs yesterday
Domestic generationSupply
24.58 GWTracked UK generation sources only
↓ −0.45 GW vs yesterday
Average carbonCO₂
110 gCO₂/kWhCarbon intensity average
↓ −83 g vs yesterday
Renewable shareClean
71.5 %Wind, solar, hydro and biomass
↑ +25.6 pts vs yesterday
Clean share+ Nuclear
81.4 %Renewables plus nuclear
↑ +26.3 pts vs yesterday
Net importsFlow
5.10 GWAverage imports minus exports
↑ +1.09 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 3 June 2026, Britain’s electricity grid averaged 29.93 GW of grid demand, with renewables averaging 71.5% of tracked domestic generation and carbon intensity averaging 110 gCO₂/kWh.

The highest demand period was 35.97 GW at 13:00, while the lowest carbon intensity period was 45 gCO₂/kWh at 15:00.

Key records for 3 June 2026

Highest wind18.50 GW16:00
Highest solar7.93 GW14:30
Highest gas5.85 GW07:00
Lowest carbon45 gCO₂/kWh15:00
Highest imports7.54 GW11:00
Highest exports1.50 GW00:00

Daily chart

Demand, generation and carbon intensity

3 June 2026

Generation mix

Wind, solar, gas and interconnector flow