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Daily UK grid report
UK Electricity Grid Daily Report — 18 July 2023

On 18 July 2023, Britain’s electricity grid averaged 28.50 GW of grid demand, with renewables averaging 23.2% of tracked domestic generation and carbon intensity averaging 216 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.50 GW

Average grid demand for this UK day.

Peak demand 33.68 GW

Highest 15-minute grid demand period.

Avg carbon 216 gCO₂/kWh

Average carbon intensity where available.

Renewables 23.2 %

Average renewable share of tracked generation.

Average grid demandDemand
28.50 GWFull-day average from available snapshots
↓ −0.50 GW vs yesterday
Peak demand12:00
33.68 GWHighest 15-minute grid demand period
↓ −1.09 GW vs yesterday
Lowest demand05:00
22.06 GWLowest 15-minute grid demand period
↑ +0.57 GW vs yesterday
Domestic generationSupply
24.20 GWTracked UK generation sources only
↓ −1.70 GW vs yesterday
Average carbonCO₂
216 gCO₂/kWhCarbon intensity average
↑ +95 g vs yesterday
Renewable shareClean
23.2 %Wind, solar, hydro and biomass
↓ −28.2 pts vs yesterday
Clean share+ Nuclear
41.7 %Renewables plus nuclear
↓ −27.1 pts vs yesterday
Net importsFlow
3.36 GWAverage imports minus exports
↑ +1.70 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 18 July 2023, Britain’s electricity grid averaged 28.50 GW of grid demand, with renewables averaging 23.2% of tracked domestic generation and carbon intensity averaging 216 gCO₂/kWh.

The highest demand period was 33.68 GW at 12:00, while the lowest carbon intensity period was 176 gCO₂/kWh at 10:30.

Key records for 18 July 2023

Highest wind3.97 GW00:00
Highest solar5.68 GW11:30
Highest gas14.47 GW21:00
Lowest carbon176 gCO₂/kWh10:30
Highest imports7.43 GW16:45
Highest exports3.53 GW04:00

Daily chart

Demand, generation and carbon intensity

18 July 2023

Generation mix

Wind, solar, gas and interconnector flow