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Daily UK grid report
UK Electricity Grid Daily Report — 28 August 2023

On 28 August 2023, Britain’s electricity grid averaged 26.32 GW of grid demand, with renewables averaging 32.9% 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 26.32 GW

Average grid demand for this UK day.

Peak demand 31.56 GW

Highest 15-minute grid demand period.

Avg carbon 167 gCO₂/kWh

Average carbon intensity where available.

Renewables 32.9 %

Average renewable share of tracked generation.

Average grid demandDemand
26.32 GWFull-day average from available snapshots
↑ +1.65 GW vs yesterday
Peak demand17:30
31.56 GWHighest 15-minute grid demand period
↑ +2.57 GW vs yesterday
Lowest demand03:30
19.89 GWLowest 15-minute grid demand period
↑ +0.45 GW vs yesterday
Domestic generationSupply
23.79 GWTracked UK generation sources only
↑ +3.52 GW vs yesterday
Average carbonCO₂
167 gCO₂/kWhCarbon intensity average
↑ +38 g vs yesterday
Renewable shareClean
32.9 %Wind, solar, hydro and biomass
↓ −6.0 pts vs yesterday
Clean share+ Nuclear
55.2 %Renewables plus nuclear
↓ −9.1 pts vs yesterday
Net importsFlow
0.64 GWAverage imports minus exports
↓ −2.75 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 August 2023, Britain’s electricity grid averaged 26.32 GW of grid demand, with renewables averaging 32.9% of tracked domestic generation and carbon intensity averaging 167 gCO₂/kWh.

The highest demand period was 31.56 GW at 17:30, while the lowest carbon intensity period was 106 gCO₂/kWh at 01:00.

Key records for 28 August 2023

Highest wind6.40 GW02:00
Highest solar5.84 GW12:00
Highest gas15.22 GW17:30
Lowest carbon106 gCO₂/kWh01:00
Highest imports3.99 GW19:15
Highest exports3.06 GW07:30

Daily chart

Demand, generation and carbon intensity

28 August 2023

Generation mix

Wind, solar, gas and interconnector flow