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Daily UK grid report
UK Electricity Grid Daily Report — 17 July 2023

On 17 July 2023, Britain’s electricity grid averaged 29.01 GW of grid demand, with renewables averaging 51.5% of tracked domestic generation and carbon intensity averaging 121 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.01 GW

Average grid demand for this UK day.

Peak demand 34.78 GW

Highest 15-minute grid demand period.

Avg carbon 121 gCO₂/kWh

Average carbon intensity where available.

Renewables 51.5 %

Average renewable share of tracked generation.

Average grid demandDemand
29.01 GWFull-day average from available snapshots
↑ +1.39 GW vs yesterday
Peak demand12:00
34.78 GWHighest 15-minute grid demand period
↑ +1.76 GW vs yesterday
Lowest demand03:30
21.49 GWLowest 15-minute grid demand period
↓ −0.15 GW vs yesterday
Domestic generationSupply
25.91 GWTracked UK generation sources only
↓ −0.71 GW vs yesterday
Average carbonCO₂
121 gCO₂/kWhCarbon intensity average
↑ +44 g vs yesterday
Renewable shareClean
51.5 %Wind, solar, hydro and biomass
↓ −12.8 pts vs yesterday
Clean share+ Nuclear
68.8 %Renewables plus nuclear
↓ −12.4 pts vs yesterday
Net importsFlow
1.66 GWAverage imports minus exports
↑ +3.55 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 July 2023, Britain’s electricity grid averaged 29.01 GW of grid demand, with renewables averaging 51.5% of tracked domestic generation and carbon intensity averaging 121 gCO₂/kWh.

The highest demand period was 34.78 GW at 12:00, while the lowest carbon intensity period was 69 gCO₂/kWh at 13:30.

Key records for 17 July 2023

Highest wind12.06 GW01:00
Highest solar8.80 GW13:00
Highest gas13.59 GW21:00
Lowest carbon69 gCO₂/kWh13:30
Highest imports7.05 GW13:00
Highest exports3.51 GW00:00

Daily chart

Demand, generation and carbon intensity

17 July 2023

Generation mix

Wind, solar, gas and interconnector flow