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Daily UK grid report
UK Electricity Grid Daily Report — 27 April 2023

On 27 April 2023, Britain’s electricity grid averaged 32.92 GW of grid demand, with renewables averaging 37.5% of tracked domestic generation and carbon intensity averaging 191 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.92 GW

Average grid demand for this UK day.

Peak demand 38.65 GW

Highest 15-minute grid demand period.

Avg carbon 191 gCO₂/kWh

Average carbon intensity where available.

Renewables 37.5 %

Average renewable share of tracked generation.

Average grid demandDemand
32.92 GWFull-day average from available snapshots
↑ +0.92 GW vs yesterday
Peak demand17:00
38.65 GWHighest 15-minute grid demand period
↑ +0.53 GW vs yesterday
Lowest demand03:15
23.47 GWLowest 15-minute grid demand period
↓ −0.16 GW vs yesterday
Domestic generationSupply
30.23 GWTracked UK generation sources only
↑ +2.94 GW vs yesterday
Average carbonCO₂
191 gCO₂/kWhCarbon intensity average
↓ −52 g vs yesterday
Renewable shareClean
37.5 %Wind, solar, hydro and biomass
↑ +18.1 pts vs yesterday
Clean share+ Nuclear
51.5 %Renewables plus nuclear
↑ +16.7 pts vs yesterday
Net importsFlow
2.05 GWAverage imports minus exports
↓ −2.46 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 27 April 2023, Britain’s electricity grid averaged 32.92 GW of grid demand, with renewables averaging 37.5% of tracked domestic generation and carbon intensity averaging 191 gCO₂/kWh.

The highest demand period was 38.65 GW at 17:00, while the lowest carbon intensity period was 124 gCO₂/kWh at 14:00.

Key records for 27 April 2023

Highest wind13.84 GW15:00
Highest solar3.91 GW11:00
Highest gas16.55 GW08:30
Lowest carbon124 gCO₂/kWh14:00
Highest imports6.53 GW11:00
Highest exports3.05 GW22:45

Daily chart

Demand, generation and carbon intensity

27 April 2023

Generation mix

Wind, solar, gas and interconnector flow