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Daily UK grid report
UK Electricity Grid Daily Report — 12 July 2023

On 12 July 2023, Britain’s electricity grid averaged 30.83 GW of grid demand, with renewables averaging 47.3% of tracked domestic generation and carbon intensity averaging 149 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.83 GW

Average grid demand for this UK day.

Peak demand 36.65 GW

Highest 15-minute grid demand period.

Avg carbon 149 gCO₂/kWh

Average carbon intensity where available.

Renewables 47.3 %

Average renewable share of tracked generation.

Average grid demandDemand
30.83 GWFull-day average from available snapshots
↓ −0.58 GW vs yesterday
Peak demand13:30
36.65 GWHighest 15-minute grid demand period
↑ +0.16 GW vs yesterday
Lowest demand02:30
23.63 GWLowest 15-minute grid demand period
↓ −1.48 GW vs yesterday
Domestic generationSupply
29.36 GWTracked UK generation sources only
↓ −0.60 GW vs yesterday
Average carbonCO₂
149 gCO₂/kWhCarbon intensity average
↓ −2 g vs yesterday
Renewable shareClean
47.3 %Wind, solar, hydro and biomass
↑ +0.3 pts vs yesterday
Clean share+ Nuclear
63.3 %Renewables plus nuclear
↑ +0.6 pts vs yesterday
Net importsFlow
-1.81 GWAverage imports minus exports
↑ +0.44 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 12 July 2023, Britain’s electricity grid averaged 30.83 GW of grid demand, with renewables averaging 47.3% of tracked domestic generation and carbon intensity averaging 149 gCO₂/kWh.

The highest demand period was 36.65 GW at 13:30, while the lowest carbon intensity period was 105 gCO₂/kWh at 14:00.

Key records for 12 July 2023

Highest wind12.22 GW16:00
Highest solar7.49 GW13:30
Highest gas13.32 GW20:00
Lowest carbon105 gCO₂/kWh14:00
Highest imports2.75 GW10:00
Highest exports5.30 GW05:00

Daily chart

Demand, generation and carbon intensity

12 July 2023

Generation mix

Wind, solar, gas and interconnector flow