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Daily UK grid report
UK Electricity Grid Daily Report — 1 July 2025

On 1 July 2025, Britain’s electricity grid averaged 32.50 GW of grid demand, with renewables averaging 38.2% of tracked domestic generation and carbon intensity averaging 178 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.50 GW

Average grid demand for this UK day.

Peak demand 38.00 GW

Highest 15-minute grid demand period.

Avg carbon 178 gCO₂/kWh

Average carbon intensity where available.

Renewables 38.2 %

Average renewable share of tracked generation.

Average grid demandDemand
32.50 GWFull-day average from available snapshots
↓ −0.09 GW vs yesterday
Peak demand12:00
38.00 GWHighest 15-minute grid demand period
↓ −1.18 GW vs yesterday
Lowest demand04:30
25.44 GWLowest 15-minute grid demand period
↑ +1.33 GW vs yesterday
Domestic generationSupply
28.51 GWTracked UK generation sources only
↓ −0.38 GW vs yesterday
Average carbonCO₂
178 gCO₂/kWhCarbon intensity average
↑ +46 g vs yesterday
Renewable shareClean
38.2 %Wind, solar, hydro and biomass
↓ −13.7 pts vs yesterday
Clean share+ Nuclear
54.3 %Renewables plus nuclear
↓ −13.1 pts vs yesterday
Net importsFlow
1.93 GWAverage imports minus exports
↑ +0.33 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 1 July 2025, Britain’s electricity grid averaged 32.50 GW of grid demand, with renewables averaging 38.2% of tracked domestic generation and carbon intensity averaging 178 gCO₂/kWh.

The highest demand period was 38.00 GW at 12:00, while the lowest carbon intensity period was 140 gCO₂/kWh at 11:30.

Key records for 1 July 2025

Highest wind8.48 GW01:00
Highest solar8.69 GW11:30
Highest gas16.31 GW22:00
Lowest carbon140 gCO₂/kWh11:30
Highest imports7.86 GW13:00
Highest exports4.13 GW05:00

Daily chart

Demand, generation and carbon intensity

1 July 2025

Generation mix

Wind, solar, gas and interconnector flow