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Daily UK grid report
UK Electricity Grid Daily Report — 2 August 2025

On 2 August 2025, Britain’s electricity grid averaged 26.74 GW of grid demand, with renewables averaging 62.3% of tracked domestic generation and carbon intensity averaging 74 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 26.74 GW

Average grid demand for this UK day.

Peak demand 31.25 GW

Highest 15-minute grid demand period.

Avg carbon 74 gCO₂/kWh

Average carbon intensity where available.

Renewables 62.3 %

Average renewable share of tracked generation.

Average grid demandDemand
26.74 GWFull-day average from available snapshots
↓ −2.62 GW vs yesterday
Peak demand11:00
31.25 GWHighest 15-minute grid demand period
↓ −3.08 GW vs yesterday
Lowest demand23:45
22.65 GWLowest 15-minute grid demand period
↓ −1.54 GW vs yesterday
Domestic generationSupply
19.94 GWTracked UK generation sources only
↓ −3.52 GW vs yesterday
Average carbonCO₂
74 gCO₂/kWhCarbon intensity average
No change vs yesterday
Renewable shareClean
62.3 %Wind, solar, hydro and biomass
↓ −2.5 pts vs yesterday
Clean share+ Nuclear
80.7 %Renewables plus nuclear
↓ −0.7 pts vs yesterday
Net importsFlow
5.18 GWAverage imports minus exports
↑ +1.60 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 2 August 2025, Britain’s electricity grid averaged 26.74 GW of grid demand, with renewables averaging 62.3% of tracked domestic generation and carbon intensity averaging 74 gCO₂/kWh.

The highest demand period was 31.25 GW at 11:00, while the lowest carbon intensity period was 49 gCO₂/kWh at 11:30.

Key records for 2 August 2025

Highest wind10.05 GW00:30
Highest solar8.87 GW14:00
Highest gas6.39 GW20:00
Lowest carbon49 gCO₂/kWh11:30
Highest imports8.12 GW10:00
Highest exports3.70 GW05:00

Daily chart

Demand, generation and carbon intensity

2 August 2025

Generation mix

Wind, solar, gas and interconnector flow