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Daily UK grid report
UK Electricity Grid Daily Report — 23 April 2023

On 23 April 2023, Britain’s electricity grid averaged 28.95 GW of grid demand, with renewables averaging 49.4% of tracked domestic generation and carbon intensity averaging 118 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.95 GW

Average grid demand for this UK day.

Peak demand 35.17 GW

Highest 15-minute grid demand period.

Avg carbon 118 gCO₂/kWh

Average carbon intensity where available.

Renewables 49.4 %

Average renewable share of tracked generation.

Average grid demandDemand
28.95 GWFull-day average from available snapshots
↑ +0.11 GW vs yesterday
Peak demand17:00
35.17 GWHighest 15-minute grid demand period
↑ +1.30 GW vs yesterday
Lowest demand04:45
21.91 GWLowest 15-minute grid demand period
No change vs yesterday
Domestic generationSupply
22.87 GWTracked UK generation sources only
↓ −0.53 GW vs yesterday
Average carbonCO₂
118 gCO₂/kWhCarbon intensity average
↓ −37 g vs yesterday
Renewable shareClean
49.4 %Wind, solar, hydro and biomass
↑ +11.5 pts vs yesterday
Clean share+ Nuclear
68.5 %Renewables plus nuclear
↑ +12.5 pts vs yesterday
Net importsFlow
5.46 GWAverage imports minus exports
↑ +0.62 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 April 2023, Britain’s electricity grid averaged 28.95 GW of grid demand, with renewables averaging 49.4% of tracked domestic generation and carbon intensity averaging 118 gCO₂/kWh.

The highest demand period was 35.17 GW at 17:00, while the lowest carbon intensity period was 83 gCO₂/kWh at 23:30.

Key records for 23 April 2023

Highest wind12.06 GW23:00
Highest solar5.04 GW12:00
Highest gas12.27 GW19:30
Lowest carbon83 gCO₂/kWh23:30
Highest imports7.35 GW16:00
Highest exports1.18 GW19:00

Daily chart

Demand, generation and carbon intensity

23 April 2023

Generation mix

Wind, solar, gas and interconnector flow