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Daily UK grid report
UK Electricity Grid Daily Report — 11 August 2026

On 11 August 2026, Britain’s electricity grid averaged 29.77 GW of grid demand, with renewables averaging 51.5% of tracked domestic generation and carbon intensity averaging 167 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.77 GW

Average grid demand for this UK day.

Peak demand 35.74 GW

Highest 15-minute grid demand period.

Avg carbon 167 gCO₂/kWh

Average carbon intensity where available.

Renewables 51.5 %

Average renewable share of tracked generation.

Average grid demandDemand
29.77 GWFull-day average from available snapshots
↓ −0.42 GW vs yesterday
Peak demand13:00
35.74 GWHighest 15-minute grid demand period
↓ −0.11 GW vs yesterday
Lowest demand05:15
21.28 GWLowest 15-minute grid demand period
↓ −2.01 GW vs yesterday
Domestic generationSupply
23.72 GWTracked UK generation sources only
↓ −0.83 GW vs yesterday
Average carbonCO₂
167 gCO₂/kWhCarbon intensity average
↓ −9 g vs yesterday
Renewable shareClean
51.5 %Wind, solar, hydro and biomass
↑ +1.6 pts vs yesterday
Clean share+ Nuclear
68.6 %Renewables plus nuclear
↑ +3.0 pts vs yesterday
Net importsFlow
5.12 GWAverage imports minus exports
↑ +0.83 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 11 August 2026, Britain’s electricity grid averaged 29.77 GW of grid demand, with renewables averaging 51.5% of tracked domestic generation and carbon intensity averaging 167 gCO₂/kWh.

The highest demand period was 35.74 GW at 13:00, while the lowest carbon intensity period was 109 gCO₂/kWh at 13:00.

Key records for 11 August 2026

Highest wind10.64 GW23:30
Highest solar15.13 GW13:00
Highest gas11.12 GW20:00
Lowest carbon109 gCO₂/kWh13:00
Highest imports8.80 GW11:00
Highest exports3.38 GW23:00

Daily chart

Demand, generation and carbon intensity

11 August 2026

Generation mix

Wind, solar, gas and interconnector flow