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Daily UK grid report
UK Electricity Grid Daily Report — 4 July 2026

On 4 July 2026, Britain’s electricity grid averaged 26.91 GW of grid demand, with renewables averaging 68.8% of tracked domestic generation and carbon intensity averaging 55 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 26.91 GW

Average grid demand for this UK day.

Peak demand 32.08 GW

Highest 15-minute grid demand period.

Avg carbon 55 gCO₂/kWh

Average carbon intensity where available.

Renewables 68.8 %

Average renewable share of tracked generation.

Average grid demandDemand
26.91 GWFull-day average from available snapshots
↓ −1.19 GW vs yesterday
Peak demand16:00
32.08 GWHighest 15-minute grid demand period
↓ −1.45 GW vs yesterday
Lowest demand05:45
21.63 GWLowest 15-minute grid demand period
No change vs yesterday
Domestic generationSupply
22.86 GWTracked UK generation sources only
↑ +1.93 GW vs yesterday
Average carbonCO₂
55 gCO₂/kWhCarbon intensity average
↓ −33 g vs yesterday
Renewable shareClean
68.8 %Wind, solar, hydro and biomass
↑ +8.4 pts vs yesterday
Clean share+ Nuclear
82.2 %Renewables plus nuclear
↑ +7.1 pts vs yesterday
Net importsFlow
2.48 GWAverage imports minus exports
↓ −3.87 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 4 July 2026, Britain’s electricity grid averaged 26.91 GW of grid demand, with renewables averaging 68.8% of tracked domestic generation and carbon intensity averaging 55 gCO₂/kWh.

The highest demand period was 32.08 GW at 16:00, while the lowest carbon intensity period was 32 gCO₂/kWh at 14:30.

Key records for 4 July 2026

Highest wind12.92 GW14:45
Highest solar10.41 GW14:30
Highest gas4.61 GW00:00
Lowest carbon32 gCO₂/kWh14:30
Highest imports6.94 GW00:00
Highest exports4.52 GW15:00

Daily chart

Demand, generation and carbon intensity

4 July 2026

Generation mix

Wind, solar, gas and interconnector flow