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Daily UK grid report
UK Electricity Grid Daily Report — 30 July 2023

On 30 July 2023, Britain’s electricity grid averaged 26.38 GW of grid demand, with renewables averaging 65.2% of tracked domestic generation and carbon intensity averaging 89 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 26.38 GW

Average grid demand for this UK day.

Peak demand 31.91 GW

Highest 15-minute grid demand period.

Avg carbon 89 gCO₂/kWh

Average carbon intensity where available.

Renewables 65.2 %

Average renewable share of tracked generation.

Average grid demandDemand
26.38 GWFull-day average from available snapshots
↑ +1.54 GW vs yesterday
Peak demand12:00
31.91 GWHighest 15-minute grid demand period
↑ +1.19 GW vs yesterday
Lowest demand01:15
21.28 GWLowest 15-minute grid demand period
↑ +2.14 GW vs yesterday
Domestic generationSupply
23.66 GWTracked UK generation sources only
↑ +1.75 GW vs yesterday
Average carbonCO₂
89 gCO₂/kWhCarbon intensity average
No change vs yesterday
Renewable shareClean
65.2 %Wind, solar, hydro and biomass
↑ +1.7 pts vs yesterday
Clean share+ Nuclear
77.8 %Renewables plus nuclear
↑ +1.7 pts vs yesterday
Net importsFlow
0.64 GWAverage imports minus exports
↓ −1.90 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 July 2023, Britain’s electricity grid averaged 26.38 GW of grid demand, with renewables averaging 65.2% of tracked domestic generation and carbon intensity averaging 89 gCO₂/kWh.

The highest demand period was 31.91 GW at 12:00, while the lowest carbon intensity period was 68 gCO₂/kWh at 14:30.

Key records for 30 July 2023

Highest wind16.67 GW10:30
Highest solar4.99 GW12:00
Highest gas6.49 GW21:00
Lowest carbon68 gCO₂/kWh14:30
Highest imports7.47 GW18:30
Highest exports4.85 GW04:00

Daily chart

Demand, generation and carbon intensity

30 July 2023

Generation mix

Wind, solar, gas and interconnector flow