Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 21 March 2024

On 21 March 2024, Britain’s electricity grid averaged 32.65 GW of grid demand, with renewables averaging 56.8% of tracked domestic generation and carbon intensity averaging 107 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.65 GW

Average grid demand for this UK day.

Peak demand 39.69 GW

Highest 15-minute grid demand period.

Avg carbon 107 gCO₂/kWh

Average carbon intensity where available.

Renewables 56.8 %

Average renewable share of tracked generation.

Average grid demandDemand
32.65 GWFull-day average from available snapshots
↓ −0.10 GW vs yesterday
Peak demand17:30
39.69 GWHighest 15-minute grid demand period
↑ +1.43 GW vs yesterday
Lowest demand04:15
23.24 GWLowest 15-minute grid demand period
↓ −0.90 GW vs yesterday
Domestic generationSupply
27.46 GWTracked UK generation sources only
↑ +0.50 GW vs yesterday
Average carbonCO₂
107 gCO₂/kWhCarbon intensity average
↓ −121 g vs yesterday
Renewable shareClean
56.8 %Wind, solar, hydro and biomass
↑ +32.7 pts vs yesterday
Clean share+ Nuclear
72.3 %Renewables plus nuclear
↑ +32.9 pts vs yesterday
Net importsFlow
4.91 GWAverage imports minus exports
↑ +0.13 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 21 March 2024, Britain’s electricity grid averaged 32.65 GW of grid demand, with renewables averaging 56.8% of tracked domestic generation and carbon intensity averaging 107 gCO₂/kWh.

The highest demand period was 39.69 GW at 17:30, while the lowest carbon intensity period was 48 gCO₂/kWh at 23:30.

Key records for 21 March 2024

Highest wind18.06 GW16:30
Highest solar4.88 GW11:30
Highest gas11.21 GW08:00
Lowest carbon48 gCO₂/kWh23:30
Highest imports7.43 GW01:30
Highest exports2.73 GW23:00

Daily chart

Demand, generation and carbon intensity

21 March 2024

Generation mix

Wind, solar, gas and interconnector flow