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

On 11 July 2025, Britain’s electricity grid averaged 31.29 GW of grid demand, with renewables averaging 39.9% of tracked domestic generation and carbon intensity averaging 153 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.29 GW

Average grid demand for this UK day.

Peak demand 36.76 GW

Highest 15-minute grid demand period.

Avg carbon 153 gCO₂/kWh

Average carbon intensity where available.

Renewables 39.9 %

Average renewable share of tracked generation.

Average grid demandDemand
31.29 GWFull-day average from available snapshots
↑ +0.02 GW vs yesterday
Peak demand13:00
36.76 GWHighest 15-minute grid demand period
↓ −3.40 GW vs yesterday
Lowest demand05:00
25.04 GWLowest 15-minute grid demand period
↑ +0.10 GW vs yesterday
Domestic generationSupply
24.59 GWTracked UK generation sources only
↓ −1.52 GW vs yesterday
Average carbonCO₂
153 gCO₂/kWhCarbon intensity average
↓ −4 g vs yesterday
Renewable shareClean
39.9 %Wind, solar, hydro and biomass
No change vs yesterday
Clean share+ Nuclear
57.1 %Renewables plus nuclear
↑ +0.8 pts vs yesterday
Net importsFlow
5.18 GWAverage imports minus exports
↑ +1.84 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 11 July 2025, Britain’s electricity grid averaged 31.29 GW of grid demand, with renewables averaging 39.9% of tracked domestic generation and carbon intensity averaging 153 gCO₂/kWh.

The highest demand period was 36.76 GW at 13:00, while the lowest carbon intensity period was 93 gCO₂/kWh at 12:30.

Key records for 11 July 2025

Highest wind3.69 GW21:00
Highest solar13.65 GW13:00
Highest gas12.69 GW21:30
Lowest carbon93 gCO₂/kWh12:30
Highest imports8.75 GW10:15
Highest exports3.66 GW05:00

Daily chart

Demand, generation and carbon intensity

11 July 2025

Generation mix

Wind, solar, gas and interconnector flow