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Daily UK grid report
UK Electricity Grid Daily Report — 20 May 2024

On 20 May 2024, Britain’s electricity grid averaged 29.09 GW of grid demand, with renewables averaging 38.7% 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 29.09 GW

Average grid demand for this UK day.

Peak demand 34.64 GW

Highest 15-minute grid demand period.

Avg carbon 141 gCO₂/kWh

Average carbon intensity where available.

Renewables 38.7 %

Average renewable share of tracked generation.

Average grid demandDemand
29.09 GWFull-day average from available snapshots
↑ +3.56 GW vs yesterday
Peak demand12:00
34.64 GWHighest 15-minute grid demand period
↑ +4.07 GW vs yesterday
Lowest demand03:45
21.52 GWLowest 15-minute grid demand period
↑ +2.98 GW vs yesterday
Domestic generationSupply
22.90 GWTracked UK generation sources only
↑ +3.48 GW vs yesterday
Average carbonCO₂
141 gCO₂/kWhCarbon intensity average
↑ +30 g vs yesterday
Renewable shareClean
38.7 %Wind, solar, hydro and biomass
↓ −5.5 pts vs yesterday
Clean share+ Nuclear
60.0 %Renewables plus nuclear
↓ −9.4 pts vs yesterday
Net importsFlow
4.98 GWAverage imports minus exports
↓ −0.51 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 20 May 2024, Britain’s electricity grid averaged 29.09 GW of grid demand, with renewables averaging 38.7% of tracked domestic generation and carbon intensity averaging 141 gCO₂/kWh.

The highest demand period was 34.64 GW at 12:00, while the lowest carbon intensity period was 110 gCO₂/kWh at 13:00.

Key records for 20 May 2024

Highest wind4.68 GW19:00
Highest solar10.25 GW13:00
Highest gas11.90 GW19:30
Lowest carbon110 gCO₂/kWh13:00
Highest imports7.21 GW14:00
Highest exports2.65 GW04:00

Daily chart

Demand, generation and carbon intensity

20 May 2024

Generation mix

Wind, solar, gas and interconnector flow