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Daily UK grid report
UK Electricity Grid Daily Report — 9 July 2025

On 9 July 2025, Britain’s electricity grid averaged 30.92 GW of grid demand, with renewables averaging 43.1% of tracked domestic generation and carbon intensity averaging 142 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.92 GW

Average grid demand for this UK day.

Peak demand 35.93 GW

Highest 15-minute grid demand period.

Avg carbon 142 gCO₂/kWh

Average carbon intensity where available.

Renewables 43.1 %

Average renewable share of tracked generation.

Average grid demandDemand
30.92 GWFull-day average from available snapshots
↑ +0.27 GW vs yesterday
Peak demand17:00
35.93 GWHighest 15-minute grid demand period
↑ +0.31 GW vs yesterday
Lowest demand05:15
23.92 GWLowest 15-minute grid demand period
↓ −1.10 GW vs yesterday
Domestic generationSupply
24.53 GWTracked UK generation sources only
↓ −0.28 GW vs yesterday
Average carbonCO₂
142 gCO₂/kWhCarbon intensity average
↑ +56 g vs yesterday
Renewable shareClean
43.1 %Wind, solar, hydro and biomass
↓ −17.8 pts vs yesterday
Clean share+ Nuclear
60.4 %Renewables plus nuclear
↓ −17.6 pts vs yesterday
Net importsFlow
4.51 GWAverage imports minus exports
↑ +0.51 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 9 July 2025, Britain’s electricity grid averaged 30.92 GW of grid demand, with renewables averaging 43.1% of tracked domestic generation and carbon intensity averaging 142 gCO₂/kWh.

The highest demand period was 35.93 GW at 17:00, while the lowest carbon intensity period was 90 gCO₂/kWh at 13:30.

Key records for 9 July 2025

Highest wind4.74 GW03:30
Highest solar11.15 GW13:30
Highest gas14.63 GW21:00
Lowest carbon90 gCO₂/kWh13:30
Highest imports8.83 GW09:00
Highest exports3.62 GW04:30

Daily chart

Demand, generation and carbon intensity

9 July 2025

Generation mix

Wind, solar, gas and interconnector flow