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Daily UK grid report
UK Electricity Grid Daily Report — 21 February 2024

On 21 February 2024, Britain’s electricity grid averaged 34.47 GW of grid demand, with renewables averaging 68.6% of tracked domestic generation and carbon intensity averaging 77 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.47 GW

Average grid demand for this UK day.

Peak demand 41.55 GW

Highest 15-minute grid demand period.

Avg carbon 77 gCO₂/kWh

Average carbon intensity where available.

Renewables 68.6 %

Average renewable share of tracked generation.

Average grid demandDemand
34.47 GWFull-day average from available snapshots
↑ +0.57 GW vs yesterday
Peak demand18:00
41.55 GWHighest 15-minute grid demand period
↑ +0.06 GW vs yesterday
Lowest demand04:15
24.59 GWLowest 15-minute grid demand period
↑ +0.63 GW vs yesterday
Domestic generationSupply
28.98 GWTracked UK generation sources only
↓ −0.69 GW vs yesterday
Average carbonCO₂
77 gCO₂/kWhCarbon intensity average
↓ −24 g vs yesterday
Renewable shareClean
68.6 %Wind, solar, hydro and biomass
↑ +5.0 pts vs yesterday
Clean share+ Nuclear
82.1 %Renewables plus nuclear
↑ +5.1 pts vs yesterday
Net importsFlow
5.30 GWAverage imports minus exports
↑ +1.70 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 February 2024, Britain’s electricity grid averaged 34.47 GW of grid demand, with renewables averaging 68.6% of tracked domestic generation and carbon intensity averaging 77 gCO₂/kWh.

The highest demand period was 41.55 GW at 18:00, while the lowest carbon intensity period was 56 gCO₂/kWh at 23:00.

Key records for 21 February 2024

Highest wind20.81 GW14:00
Highest solar1.28 GW14:00
Highest gas8.36 GW18:00
Lowest carbon56 gCO₂/kWh23:00
Highest imports7.96 GW21:30
Highest exports3.12 GW05:00

Daily chart

Demand, generation and carbon intensity

21 February 2024

Generation mix

Wind, solar, gas and interconnector flow