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Daily UK grid report
UK Electricity Grid Daily Report — 20 April 2023

On 20 April 2023, Britain’s electricity grid averaged 30.97 GW of grid demand, with renewables averaging 56.9% of tracked domestic generation and carbon intensity averaging 112 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.97 GW

Average grid demand for this UK day.

Peak demand 36.79 GW

Highest 15-minute grid demand period.

Avg carbon 112 gCO₂/kWh

Average carbon intensity where available.

Renewables 56.9 %

Average renewable share of tracked generation.

Average grid demandDemand
30.97 GWFull-day average from available snapshots
↓ −0.10 GW vs yesterday
Peak demand13:00
36.79 GWHighest 15-minute grid demand period
↓ −0.28 GW vs yesterday
Lowest demand04:45
22.22 GWLowest 15-minute grid demand period
↑ +0.15 GW vs yesterday
Domestic generationSupply
28.22 GWTracked UK generation sources only
↑ +0.81 GW vs yesterday
Average carbonCO₂
112 gCO₂/kWhCarbon intensity average
↑ +17 g vs yesterday
Renewable shareClean
56.9 %Wind, solar, hydro and biomass
↓ −4.4 pts vs yesterday
Clean share+ Nuclear
72.2 %Renewables plus nuclear
↓ −4.5 pts vs yesterday
Net importsFlow
2.37 GWAverage imports minus exports
↓ −1.38 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 20 April 2023, Britain’s electricity grid averaged 30.97 GW of grid demand, with renewables averaging 56.9% of tracked domestic generation and carbon intensity averaging 112 gCO₂/kWh.

The highest demand period was 36.79 GW at 13:00, while the lowest carbon intensity period was 55 gCO₂/kWh at 13:30.

Key records for 20 April 2023

Highest wind13.93 GW17:00
Highest solar11.20 GW13:00
Highest gas11.85 GW19:30
Lowest carbon55 gCO₂/kWh13:30
Highest imports5.05 GW08:00
Highest exports1.68 GW23:00

Daily chart

Demand, generation and carbon intensity

20 April 2023

Generation mix

Wind, solar, gas and interconnector flow