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Daily UK grid report
UK Electricity Grid Daily Report — 11 June 2025

On 11 June 2025, Britain’s electricity grid averaged 30.29 GW of grid demand, with renewables averaging 48.9% of tracked domestic generation and carbon intensity averaging 131 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.29 GW

Average grid demand for this UK day.

Peak demand 35.65 GW

Highest 15-minute grid demand period.

Avg carbon 131 gCO₂/kWh

Average carbon intensity where available.

Renewables 48.9 %

Average renewable share of tracked generation.

Average grid demandDemand
30.29 GWFull-day average from available snapshots
↓ −0.59 GW vs yesterday
Peak demand14:00
35.65 GWHighest 15-minute grid demand period
↓ −0.25 GW vs yesterday
Lowest demand03:15
22.12 GWLowest 15-minute grid demand period
↓ −3.09 GW vs yesterday
Domestic generationSupply
24.91 GWTracked UK generation sources only
↓ −1.29 GW vs yesterday
Average carbonCO₂
131 gCO₂/kWhCarbon intensity average
↑ +38 g vs yesterday
Renewable shareClean
48.9 %Wind, solar, hydro and biomass
↓ −10.2 pts vs yesterday
Clean share+ Nuclear
64.5 %Renewables plus nuclear
↓ −11.2 pts vs yesterday
Net importsFlow
3.84 GWAverage imports minus exports
↑ +1.02 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 11 June 2025, Britain’s electricity grid averaged 30.29 GW of grid demand, with renewables averaging 48.9% of tracked domestic generation and carbon intensity averaging 131 gCO₂/kWh.

The highest demand period was 35.65 GW at 14:00, while the lowest carbon intensity period was 63 gCO₂/kWh at 14:30.

Key records for 11 June 2025

Highest wind11.67 GW23:30
Highest solar11.88 GW13:30
Highest gas11.50 GW21:00
Lowest carbon63 gCO₂/kWh14:30
Highest imports7.17 GW08:15
Highest exports3.36 GW21:45

Daily chart

Demand, generation and carbon intensity

11 June 2025

Generation mix

Wind, solar, gas and interconnector flow