Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 19 August 2026

On 19 August 2026, Britain’s electricity grid averaged 29.77 GW of grid demand, with renewables averaging 39.9% of tracked domestic generation and carbon intensity averaging 191 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 34.81 GW

Highest 15-minute grid demand period.

Avg carbon 191 gCO₂/kWh

Average carbon intensity where available.

Renewables 39.9 %

Average renewable share of tracked generation.

Average grid demandDemand
29.77 GWFull-day average from available snapshots
↓ −1.56 GW vs yesterday
Peak demand13:30
34.81 GWHighest 15-minute grid demand period
↓ −0.98 GW vs yesterday
Lowest demand03:15
24.19 GWLowest 15-minute grid demand period
↓ −1.91 GW vs yesterday
Domestic generationSupply
26.77 GWTracked UK generation sources only
↓ −3.36 GW vs yesterday
Average carbonCO₂
191 gCO₂/kWhCarbon intensity average
↑ +37 g vs yesterday
Renewable shareClean
39.9 %Wind, solar, hydro and biomass
↓ −7.6 pts vs yesterday
Clean share+ Nuclear
56.3 %Renewables plus nuclear
↓ −5.6 pts vs yesterday
Net importsFlow
1.85 GWAverage imports minus exports
↑ +3.11 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 19 August 2026, Britain’s electricity grid averaged 29.77 GW of grid demand, with renewables averaging 39.9% of tracked domestic generation and carbon intensity averaging 191 gCO₂/kWh.

The highest demand period was 34.81 GW at 13:30, while the lowest carbon intensity period was 130 gCO₂/kWh at 15:30.

Key records for 19 August 2026

Highest wind6.36 GW21:00
Highest solar10.25 GW13:00
Highest gas13.91 GW20:00
Lowest carbon130 gCO₂/kWh15:30
Highest imports7.43 GW11:15
Highest exports4.35 GW05:00

Daily chart

Demand, generation and carbon intensity

19 August 2026

Generation mix

Wind, solar, gas and interconnector flow