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Daily UK grid report
UK Electricity Grid Daily Report — 20 July 2023

On 20 July 2023, Britain’s electricity grid averaged 28.90 GW of grid demand, with renewables averaging 28.1% of tracked domestic generation and carbon intensity averaging 209 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.90 GW

Average grid demand for this UK day.

Peak demand 34.08 GW

Highest 15-minute grid demand period.

Avg carbon 209 gCO₂/kWh

Average carbon intensity where available.

Renewables 28.1 %

Average renewable share of tracked generation.

Average grid demandDemand
28.90 GWFull-day average from available snapshots
↑ +0.13 GW vs yesterday
Peak demand13:00
34.08 GWHighest 15-minute grid demand period
↓ −0.65 GW vs yesterday
Lowest demand05:00
23.31 GWLowest 15-minute grid demand period
↑ +1.58 GW vs yesterday
Domestic generationSupply
25.70 GWTracked UK generation sources only
↓ −0.45 GW vs yesterday
Average carbonCO₂
209 gCO₂/kWhCarbon intensity average
↑ +1 g vs yesterday
Renewable shareClean
28.1 %Wind, solar, hydro and biomass
↓ −0.9 pts vs yesterday
Clean share+ Nuclear
45.5 %Renewables plus nuclear
↓ −0.8 pts vs yesterday
Net importsFlow
1.74 GWAverage imports minus exports
↑ +0.09 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 20 July 2023, Britain’s electricity grid averaged 28.90 GW of grid demand, with renewables averaging 28.1% of tracked domestic generation and carbon intensity averaging 209 gCO₂/kWh.

The highest demand period was 34.08 GW at 13:00, while the lowest carbon intensity period was 170 gCO₂/kWh at 10:30.

Key records for 20 July 2023

Highest wind3.21 GW19:30
Highest solar7.69 GW11:30
Highest gas14.49 GW07:30
Lowest carbon170 gCO₂/kWh10:30
Highest imports5.59 GW10:00
Highest exports4.27 GW05:00

Daily chart

Demand, generation and carbon intensity

20 July 2023

Generation mix

Wind, solar, gas and interconnector flow