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

On 30 April 2023, Britain’s electricity grid averaged 26.65 GW of grid demand, with renewables averaging 41.4% of tracked domestic generation and carbon intensity averaging 144 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 26.65 GW

Average grid demand for this UK day.

Peak demand 31.36 GW

Highest 15-minute grid demand period.

Avg carbon 144 gCO₂/kWh

Average carbon intensity where available.

Renewables 41.4 %

Average renewable share of tracked generation.

Average grid demandDemand
26.65 GWFull-day average from available snapshots
↓ −0.94 GW vs yesterday
Peak demand12:15
31.36 GWHighest 15-minute grid demand period
↓ −1.55 GW vs yesterday
Lowest demand05:30
20.36 GWLowest 15-minute grid demand period
↓ −0.67 GW vs yesterday
Domestic generationSupply
20.60 GWTracked UK generation sources only
↓ −1.48 GW vs yesterday
Average carbonCO₂
144 gCO₂/kWhCarbon intensity average
↓ −61 g vs yesterday
Renewable shareClean
41.4 %Wind, solar, hydro and biomass
↑ +18.3 pts vs yesterday
Clean share+ Nuclear
59.2 %Renewables plus nuclear
↑ +18.7 pts vs yesterday
Net importsFlow
5.90 GWAverage imports minus exports
↑ +0.62 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 April 2023, Britain’s electricity grid averaged 26.65 GW of grid demand, with renewables averaging 41.4% of tracked domestic generation and carbon intensity averaging 144 gCO₂/kWh.

The highest demand period was 31.36 GW at 12:15, while the lowest carbon intensity period was 119 gCO₂/kWh at 11:30.

Key records for 30 April 2023

Highest wind6.38 GW21:00
Highest solar5.24 GW12:00
Highest gas11.56 GW22:00
Lowest carbon119 gCO₂/kWh11:30
Highest imports7.59 GW16:45
Highest exports0.91 GW09:30

Daily chart

Demand, generation and carbon intensity

30 April 2023

Generation mix

Wind, solar, gas and interconnector flow