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

On 30 March 2023, Britain’s electricity grid averaged 31.26 GW of grid demand, with renewables averaging 56.7% of tracked domestic generation and carbon intensity averaging 104 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.26 GW

Average grid demand for this UK day.

Peak demand 37.36 GW

Highest 15-minute grid demand period.

Avg carbon 104 gCO₂/kWh

Average carbon intensity where available.

Renewables 56.7 %

Average renewable share of tracked generation.

Average grid demandDemand
31.26 GWFull-day average from available snapshots
↓ −1.41 GW vs yesterday
Peak demand13:00
37.36 GWHighest 15-minute grid demand period
↓ −1.23 GW vs yesterday
Lowest demand04:30
23.24 GWLowest 15-minute grid demand period
↓ −0.09 GW vs yesterday
Domestic generationSupply
26.67 GWTracked UK generation sources only
↓ −2.03 GW vs yesterday
Average carbonCO₂
104 gCO₂/kWhCarbon intensity average
↓ −25 g vs yesterday
Renewable shareClean
56.7 %Wind, solar, hydro and biomass
↑ +2.8 pts vs yesterday
Clean share+ Nuclear
72.6 %Renewables plus nuclear
↑ +4.3 pts vs yesterday
Net importsFlow
4.69 GWAverage imports minus exports
↑ +0.57 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 March 2023, Britain’s electricity grid averaged 31.26 GW of grid demand, with renewables averaging 56.7% of tracked domestic generation and carbon intensity averaging 104 gCO₂/kWh.

The highest demand period was 37.36 GW at 13:00, while the lowest carbon intensity period was 69 gCO₂/kWh at 01:00.

Key records for 30 March 2023

Highest wind13.61 GW13:00
Highest solar6.99 GW13:00
Highest gas10.77 GW19:30
Lowest carbon69 gCO₂/kWh01:00
Highest imports6.08 GW23:00
Highest exports0.89 GW22:30

Daily chart

Demand, generation and carbon intensity

30 March 2023

Generation mix

Wind, solar, gas and interconnector flow