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

On 28 July 2023, Britain’s electricity grid averaged 27.46 GW of grid demand, with renewables averaging 36.7% of tracked domestic generation and carbon intensity averaging 196 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.46 GW

Average grid demand for this UK day.

Peak demand 33.47 GW

Highest 15-minute grid demand period.

Avg carbon 196 gCO₂/kWh

Average carbon intensity where available.

Renewables 36.7 %

Average renewable share of tracked generation.

Average grid demandDemand
27.46 GWFull-day average from available snapshots
↓ −1.34 GW vs yesterday
Peak demand13:00
33.47 GWHighest 15-minute grid demand period
↓ −1.33 GW vs yesterday
Lowest demand04:30
20.91 GWLowest 15-minute grid demand period
↓ −0.67 GW vs yesterday
Domestic generationSupply
23.67 GWTracked UK generation sources only
↓ −0.10 GW vs yesterday
Average carbonCO₂
196 gCO₂/kWhCarbon intensity average
↑ +39 g vs yesterday
Renewable shareClean
36.7 %Wind, solar, hydro and biomass
↓ −10.5 pts vs yesterday
Clean share+ Nuclear
47.7 %Renewables plus nuclear
↓ −9.8 pts vs yesterday
Net importsFlow
3.00 GWAverage imports minus exports
↓ −1.06 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 July 2023, Britain’s electricity grid averaged 27.46 GW of grid demand, with renewables averaging 36.7% of tracked domestic generation and carbon intensity averaging 196 gCO₂/kWh.

The highest demand period was 33.47 GW at 13:00, while the lowest carbon intensity period was 130 gCO₂/kWh at 23:30.

Key records for 28 July 2023

Highest wind9.35 GW23:30
Highest solar5.79 GW13:00
Highest gas12.98 GW08:30
Lowest carbon130 gCO₂/kWh23:30
Highest imports7.18 GW11:45
Highest exports2.11 GW05:00

Daily chart

Demand, generation and carbon intensity

28 July 2023

Generation mix

Wind, solar, gas and interconnector flow