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Daily UK grid report
UK Electricity Grid Daily Report — 10 September 2026

On 10 September 2026, Britain’s electricity grid averaged 29.48 GW of grid demand, with renewables averaging 56.1% of tracked domestic generation and carbon intensity averaging 109 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.48 GW

Average grid demand for this UK day.

Peak demand 35.54 GW

Highest 15-minute grid demand period.

Avg carbon 109 gCO₂/kWh

Average carbon intensity where available.

Renewables 56.1 %

Average renewable share of tracked generation.

Average grid demandDemand
29.48 GWFull-day average from available snapshots
↓ −1.02 GW vs yesterday
Peak demand16:45
35.54 GWHighest 15-minute grid demand period
↓ −0.68 GW vs yesterday
Lowest demand04:15
21.66 GWLowest 15-minute grid demand period
↓ −2.16 GW vs yesterday
Domestic generationSupply
26.01 GWTracked UK generation sources only
↓ −0.08 GW vs yesterday
Average carbonCO₂
109 gCO₂/kWhCarbon intensity average
↑ +3 g vs yesterday
Renewable shareClean
56.1 %Wind, solar, hydro and biomass
↓ −1.9 pts vs yesterday
Clean share+ Nuclear
68.4 %Renewables plus nuclear
↓ −3.2 pts vs yesterday
Net importsFlow
2.29 GWAverage imports minus exports
↓ −0.53 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 10 September 2026, Britain’s electricity grid averaged 29.48 GW of grid demand, with renewables averaging 56.1% of tracked domestic generation and carbon intensity averaging 109 gCO₂/kWh.

The highest demand period was 35.54 GW at 16:45, while the lowest carbon intensity period was 48 gCO₂/kWh at 07:30.

Key records for 10 September 2026

Highest wind14.32 GW23:30
Highest solar8.03 GW13:00
Highest gas10.29 GW19:00
Lowest carbon48 gCO₂/kWh07:30
Highest imports6.11 GW09:00
Highest exports5.11 GW23:00

Daily chart

Demand, generation and carbon intensity

10 September 2026

Generation mix

Wind, solar, gas and interconnector flow