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Daily UK grid report
UK Electricity Grid Daily Report — 1 May 2023

On 1 May 2023, Britain’s electricity grid averaged 27.30 GW of grid demand, with renewables averaging 42.2% of tracked domestic generation and carbon intensity averaging 141 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.30 GW

Average grid demand for this UK day.

Peak demand 33.00 GW

Highest 15-minute grid demand period.

Avg carbon 141 gCO₂/kWh

Average carbon intensity where available.

Renewables 42.2 %

Average renewable share of tracked generation.

Average grid demandDemand
27.30 GWFull-day average from available snapshots
↑ +0.65 GW vs yesterday
Peak demand18:00
33.00 GWHighest 15-minute grid demand period
↑ +1.64 GW vs yesterday
Lowest demand05:30
20.06 GWLowest 15-minute grid demand period
↓ −0.30 GW vs yesterday
Domestic generationSupply
20.96 GWTracked UK generation sources only
↑ +0.36 GW vs yesterday
Average carbonCO₂
141 gCO₂/kWhCarbon intensity average
↓ −4 g vs yesterday
Renewable shareClean
42.2 %Wind, solar, hydro and biomass
↑ +0.7 pts vs yesterday
Clean share+ Nuclear
60.0 %Renewables plus nuclear
↑ +0.8 pts vs yesterday
Net importsFlow
6.01 GWAverage imports minus exports
↑ +0.11 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 1 May 2023, Britain’s electricity grid averaged 27.30 GW of grid demand, with renewables averaging 42.2% of tracked domestic generation and carbon intensity averaging 141 gCO₂/kWh.

The highest demand period was 33.00 GW at 18:00, while the lowest carbon intensity period was 110 gCO₂/kWh at 01:00.

Key records for 1 May 2023

Highest wind6.38 GW13:00
Highest solar5.81 GW12:30
Highest gas13.09 GW18:00
Lowest carbon110 gCO₂/kWh01:00
Highest imports7.34 GW10:45
Highest exports0.98 GW21:00

Daily chart

Demand, generation and carbon intensity

1 May 2023

Generation mix

Wind, solar, gas and interconnector flow