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Daily UK grid report
UK Electricity Grid Daily Report — 18 April 2023

On 18 April 2023, Britain’s electricity grid averaged 31.63 GW of grid demand, with renewables averaging 51.3% of tracked domestic generation and carbon intensity averaging 137 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.63 GW

Average grid demand for this UK day.

Peak demand 37.54 GW

Highest 15-minute grid demand period.

Avg carbon 137 gCO₂/kWh

Average carbon intensity where available.

Renewables 51.3 %

Average renewable share of tracked generation.

Average grid demandDemand
31.63 GWFull-day average from available snapshots
↑ +0.08 GW vs yesterday
Peak demand12:00
37.54 GWHighest 15-minute grid demand period
↓ −0.63 GW vs yesterday
Lowest demand04:15
22.80 GWLowest 15-minute grid demand period
↑ +0.18 GW vs yesterday
Domestic generationSupply
28.62 GWTracked UK generation sources only
↓ −0.49 GW vs yesterday
Average carbonCO₂
137 gCO₂/kWhCarbon intensity average
↓ −93 g vs yesterday
Renewable shareClean
51.3 %Wind, solar, hydro and biomass
↑ +26.8 pts vs yesterday
Clean share+ Nuclear
66.1 %Renewables plus nuclear
↑ +25.1 pts vs yesterday
Net importsFlow
2.59 GWAverage imports minus exports
↑ +1.28 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 18 April 2023, Britain’s electricity grid averaged 31.63 GW of grid demand, with renewables averaging 51.3% of tracked domestic generation and carbon intensity averaging 137 gCO₂/kWh.

The highest demand period was 37.54 GW at 12:00, while the lowest carbon intensity period was 74 gCO₂/kWh at 14:30.

Key records for 18 April 2023

Highest wind13.43 GW17:30
Highest solar8.96 GW12:30
Highest gas13.25 GW08:00
Lowest carbon74 gCO₂/kWh14:30
Highest imports5.27 GW12:00
Highest exports2.36 GW05:00

Daily chart

Demand, generation and carbon intensity

18 April 2023

Generation mix

Wind, solar, gas and interconnector flow