Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 4 June 2025

On 4 June 2025, Britain’s electricity grid averaged 32.22 GW of grid demand, with renewables averaging 62.6% of tracked domestic generation and carbon intensity averaging 78 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.22 GW

Average grid demand for this UK day.

Peak demand 37.30 GW

Highest 15-minute grid demand period.

Avg carbon 78 gCO₂/kWh

Average carbon intensity where available.

Renewables 62.6 %

Average renewable share of tracked generation.

Average grid demandDemand
32.22 GWFull-day average from available snapshots
↓ −0.65 GW vs yesterday
Peak demand10:30
37.30 GWHighest 15-minute grid demand period
↓ −1.07 GW vs yesterday
Lowest demand04:30
24.62 GWLowest 15-minute grid demand period
↓ −2.39 GW vs yesterday
Domestic generationSupply
28.45 GWTracked UK generation sources only
↓ −2.56 GW vs yesterday
Average carbonCO₂
78 gCO₂/kWhCarbon intensity average
↑ +20 g vs yesterday
Renewable shareClean
62.6 %Wind, solar, hydro and biomass
↓ −6.3 pts vs yesterday
Clean share+ Nuclear
78.2 %Renewables plus nuclear
↓ −6.6 pts vs yesterday
Net importsFlow
0.47 GWAverage imports minus exports
↑ +2.14 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 4 June 2025, Britain’s electricity grid averaged 32.22 GW of grid demand, with renewables averaging 62.6% of tracked domestic generation and carbon intensity averaging 78 gCO₂/kWh.

The highest demand period was 37.30 GW at 10:30, while the lowest carbon intensity period was 43 gCO₂/kWh at 13:30.

Key records for 4 June 2025

Highest wind15.05 GW14:30
Highest solar10.45 GW12:30
Highest gas9.45 GW19:00
Lowest carbon43 gCO₂/kWh13:30
Highest imports5.30 GW08:15
Highest exports4.41 GW19:45

Daily chart

Demand, generation and carbon intensity

4 June 2025

Generation mix

Wind, solar, gas and interconnector flow