Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 15 August 2023

On 15 August 2023, Britain’s electricity grid averaged 29.09 GW of grid demand, with renewables averaging 31.9% of tracked domestic generation and carbon intensity averaging 188 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.09 GW

Average grid demand for this UK day.

Peak demand 34.66 GW

Highest 15-minute grid demand period.

Avg carbon 188 gCO₂/kWh

Average carbon intensity where available.

Renewables 31.9 %

Average renewable share of tracked generation.

Average grid demandDemand
29.09 GWFull-day average from available snapshots
No change vs yesterday
Peak demand13:00
34.66 GWHighest 15-minute grid demand period
↓ −0.94 GW vs yesterday
Lowest demand04:15
22.12 GWLowest 15-minute grid demand period
↑ +0.93 GW vs yesterday
Domestic generationSupply
24.67 GWTracked UK generation sources only
↓ −0.53 GW vs yesterday
Average carbonCO₂
188 gCO₂/kWhCarbon intensity average
↑ +27 g vs yesterday
Renewable shareClean
31.9 %Wind, solar, hydro and biomass
↓ −7.3 pts vs yesterday
Clean share+ Nuclear
48.8 %Renewables plus nuclear
↓ −7.3 pts vs yesterday
Net importsFlow
2.85 GWAverage imports minus exports
↑ +0.80 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 15 August 2023, Britain’s electricity grid averaged 29.09 GW of grid demand, with renewables averaging 31.9% of tracked domestic generation and carbon intensity averaging 188 gCO₂/kWh.

The highest demand period was 34.66 GW at 13:00, while the lowest carbon intensity period was 141 gCO₂/kWh at 12:00.

Key records for 15 August 2023

Highest wind8.05 GW00:00
Highest solar8.06 GW13:00
Highest gas15.76 GW22:00
Lowest carbon141 gCO₂/kWh12:00
Highest imports7.40 GW14:00
Highest exports3.35 GW01:00

Daily chart

Demand, generation and carbon intensity

15 August 2023

Generation mix

Wind, solar, gas and interconnector flow