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Daily UK grid report
UK Electricity Grid Daily Report — 24 August 2025

On 24 August 2025, Britain’s electricity grid averaged 25.24 GW of grid demand, with renewables averaging 36.1% of tracked domestic generation and carbon intensity averaging 151 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 25.24 GW

Average grid demand for this UK day.

Peak demand 30.51 GW

Highest 15-minute grid demand period.

Avg carbon 151 gCO₂/kWh

Average carbon intensity where available.

Renewables 36.1 %

Average renewable share of tracked generation.

Average grid demandDemand
25.24 GWFull-day average from available snapshots
↓ −1.02 GW vs yesterday
Peak demand11:45
30.51 GWHighest 15-minute grid demand period
↓ −0.07 GW vs yesterday
Lowest demand05:30
19.01 GWLowest 15-minute grid demand period
↓ −1.82 GW vs yesterday
Domestic generationSupply
17.61 GWTracked UK generation sources only
↓ −1.42 GW vs yesterday
Average carbonCO₂
151 gCO₂/kWhCarbon intensity average
↓ −14 g vs yesterday
Renewable shareClean
36.1 %Wind, solar, hydro and biomass
↑ +0.6 pts vs yesterday
Clean share+ Nuclear
55.6 %Renewables plus nuclear
↑ +2.9 pts vs yesterday
Net importsFlow
6.80 GWAverage imports minus exports
↑ +0.97 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 24 August 2025, Britain’s electricity grid averaged 25.24 GW of grid demand, with renewables averaging 36.1% of tracked domestic generation and carbon intensity averaging 151 gCO₂/kWh.

The highest demand period was 30.51 GW at 11:45, while the lowest carbon intensity period was 100 gCO₂/kWh at 12:30.

Key records for 24 August 2025

Highest wind2.95 GW23:30
Highest solar10.24 GW12:30
Highest gas9.89 GW22:00
Lowest carbon100 gCO₂/kWh12:30
Highest imports8.84 GW16:00
Highest exports1.24 GW00:00

Daily chart

Demand, generation and carbon intensity

24 August 2025

Generation mix

Wind, solar, gas and interconnector flow