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

On 2 July 2025, Britain’s electricity grid averaged 30.90 GW of grid demand, with renewables averaging 41.3% of tracked domestic generation and carbon intensity averaging 164 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.90 GW

Average grid demand for this UK day.

Peak demand 36.18 GW

Highest 15-minute grid demand period.

Avg carbon 164 gCO₂/kWh

Average carbon intensity where available.

Renewables 41.3 %

Average renewable share of tracked generation.

Average grid demandDemand
30.90 GWFull-day average from available snapshots
↓ −1.59 GW vs yesterday
Peak demand14:00
36.18 GWHighest 15-minute grid demand period
↓ −1.82 GW vs yesterday
Lowest demand04:30
25.13 GWLowest 15-minute grid demand period
↓ −0.31 GW vs yesterday
Domestic generationSupply
27.27 GWTracked UK generation sources only
↓ −1.25 GW vs yesterday
Average carbonCO₂
164 gCO₂/kWhCarbon intensity average
↓ −14 g vs yesterday
Renewable shareClean
41.3 %Wind, solar, hydro and biomass
↑ +3.1 pts vs yesterday
Clean share+ Nuclear
59.0 %Renewables plus nuclear
↑ +4.7 pts vs yesterday
Net importsFlow
2.02 GWAverage imports minus exports
↑ +0.08 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 2 July 2025, Britain’s electricity grid averaged 30.90 GW of grid demand, with renewables averaging 41.3% of tracked domestic generation and carbon intensity averaging 164 gCO₂/kWh.

The highest demand period was 36.18 GW at 14:00, while the lowest carbon intensity period was 93 gCO₂/kWh at 14:30.

Key records for 2 July 2025

Highest wind9.19 GW20:30
Highest solar10.33 GW15:00
Highest gas14.28 GW00:00
Lowest carbon93 gCO₂/kWh14:30
Highest imports7.84 GW12:00
Highest exports3.53 GW05:00

Daily chart

Demand, generation and carbon intensity

2 July 2025

Generation mix

Wind, solar, gas and interconnector flow