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Daily UK grid report
UK Electricity Grid Daily Report — 26 June 2025

On 26 June 2025, Britain’s electricity grid averaged 32.05 GW of grid demand, with renewables averaging 61.8% of tracked domestic generation and carbon intensity averaging 80 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.05 GW

Average grid demand for this UK day.

Peak demand 38.35 GW

Highest 15-minute grid demand period.

Avg carbon 80 gCO₂/kWh

Average carbon intensity where available.

Renewables 61.8 %

Average renewable share of tracked generation.

Average grid demandDemand
32.05 GWFull-day average from available snapshots
↑ +0.37 GW vs yesterday
Peak demand13:00
38.35 GWHighest 15-minute grid demand period
↑ +1.03 GW vs yesterday
Lowest demand23:30
24.92 GWLowest 15-minute grid demand period
↑ +1.71 GW vs yesterday
Domestic generationSupply
28.32 GWTracked UK generation sources only
↑ +1.62 GW vs yesterday
Average carbonCO₂
80 gCO₂/kWhCarbon intensity average
↓ −73 g vs yesterday
Renewable shareClean
61.8 %Wind, solar, hydro and biomass
↑ +21.2 pts vs yesterday
Clean share+ Nuclear
79.3 %Renewables plus nuclear
↑ +20.0 pts vs yesterday
Net importsFlow
1.38 GWAverage imports minus exports
↓ −1.43 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 26 June 2025, Britain’s electricity grid averaged 32.05 GW of grid demand, with renewables averaging 61.8% of tracked domestic generation and carbon intensity averaging 80 gCO₂/kWh.

The highest demand period was 38.35 GW at 13:00, while the lowest carbon intensity period was 32 gCO₂/kWh at 14:30.

Key records for 26 June 2025

Highest wind17.61 GW17:30
Highest solar11.76 GW13:30
Highest gas8.56 GW00:00
Lowest carbon32 gCO₂/kWh14:30
Highest imports6.26 GW10:00
Highest exports4.17 GW00:00

Daily chart

Demand, generation and carbon intensity

26 June 2025

Generation mix

Wind, solar, gas and interconnector flow