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UK Electricity Grid Daily Report — 10 September 2026

On 10 September 2026, Britain’s electricity grid averaged 31.42 GW of grid demand, with renewables averaging 59.8% of tracked domestic generation and carbon intensity averaging 171 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.42 GW

Average grid demand for this UK day.

Peak demand 37.37 GW

Highest 15-minute grid demand period.

Avg carbon 171 gCO₂/kWh

Average carbon intensity where available.

Renewables 59.8 %

Average renewable share of tracked generation.

Average grid demandDemand
31.42 GWFull-day average from available snapshots
↓ −0.42 GW vs yesterday
Peak demand12:30
37.37 GWHighest 15-minute grid demand period
↑ +0.10 GW vs yesterday
Lowest demand04:15
22.47 GWLowest 15-minute grid demand period
↓ −2.79 GW vs yesterday
Domestic generationSupply
27.95 GWTracked UK generation sources only
↑ +0.52 GW vs yesterday
Average carbonCO₂
171 gCO₂/kWhCarbon intensity average
↓ −8 g vs yesterday
Renewable shareClean
59.8 %Wind, solar, hydro and biomass
No change vs yesterday
Clean share+ Nuclear
71.3 %Renewables plus nuclear
↓ −1.4 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 31.42 GW of grid demand, with renewables averaging 59.8% of tracked domestic generation and carbon intensity averaging 171 gCO₂/kWh.

The highest demand period was 37.37 GW at 12:30, while the lowest carbon intensity period was 70 gCO₂/kWh at 15:00.

Key records for 10 September 2026

Highest wind16.79 GW23:30
Highest solar9.26 GW12:00
Highest gas10.23 GW19:00
Lowest carbon70 gCO₂/kWh15:00
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